- Proacirsa, Genus Proacirsa Cossmann, 1912 (GORDENELLIDAE) (FOSSIL)
- Proactinoceras, syn of: Genus Protactinoceras Chen & Qi, 1979 (PROTACTINOCERATIDAE) (FOSSIL)
- PROACTINOCERATIDAE - syn of Family: PROTACTINOCERATIDAE (FOSSIL)
- Proadusta, Genus Proadusta F. Sacco, 1894 (CYPRAEIDAE) (FOSSIL)
- Proagorina, syn of: Genus Lyonsiella G.O. Sars, 1872 (LYONSIELLIDAE)
- Proagorina, syn of: Genus Lyonsiella G.O. Sars, 1872 (LYONSIELLIDAE)
- Proalbinaria, Genus Proalbinaria O. Bφttger in C.H. Oppenheimer, 1895 (CLAUSILIIDAE)
- proameri, Radiodiscus proameri H.B. Baker, 1930 - (HELICODISCIDAE)
- Proameria, Subgenus Guillarmodia (Proameria) F.C. Baker, 1941 (SPIRAXIDAE)
- Proamya, syn of: Genus Poromya E. Forbes, 1844 (POROMYIDAE)
- Proarcestes, Genus Proarcestes Mojsisovic , 1893 (ARCESTIDAE) (FOSSIL)
- PROARCESTIDAE Wiedmann, 1973 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-ARCESTOIDEA [Superfamily]) (FOSSIL)
- proarchithalassus, Conus proarchithalassus P.F. Röding, 1798 - syn of: Conus marmoreus C. Linnaeus, 1758 - (CONIDAE)
- proaries, Alsatites proaries (M. von Neumayr, 1879 †) - (ARIETITIDAE) (FOSSIL)
- Proaspastus, syn of: Subgenus Placostylus (Eumecostylus) J.A. Albers, 1860 (BOTHRIEMBRYONTIDAE)
- proaspera, Mactra proaspera F. Sacco, 1900 - (MACTRIDAE)
- proaspersa, Oxyperas proaspersa (F. Sacco, 1901 †) - (MACTRIDAE) (FOSSIL)
- proaspersa, Mactra proaspersa F. Sacco, 1901 - syn of: Oxyperas egena (L.A. Reeve, 1854) - (MACTRIDAE)
- proaspersa, Oxyperas proaspersa R. Ardovini & al., 2004 - syn of: Oxyperas egena (L.A. Reeve, 1854) - (MACTRIDAE)
- Proaustraliceras, Subgenus Australiceras (Proaustraliceras) Kakabadze, 1977 (ANCYLOCERATIDAE) (FOSSIL)
- proava, Cirsonella proava (J. Marwick, 1931 †) - (SKENEIDAE) (FOSSIL)
- proavia, Oliva proavia H.A. Pilsbry & Johnson, 1917 † - syn of: Oliva cristobalcoloni C.J. Maury, 1917 † - (OLIVIDAE) (FOSSIL)
- proavia, Paracyclas proavia G.A. Goldfuss, 1840 † - (PARACYCLIDAE) (FOSSIL)
- proavia, Alvania proavia (H.A. Pilsbry & Johnson, 1917 †) - (RISSOIDAE) (FOSSIL)
- proavita, Bathytoma proavita (Powell, 1942 †) - (BORSONIIDAE) (FOSSIL)
- proavita, Strophiops proavita C.J. Maynard & W.F. Clapp, 1921 - (CERIONIDAE)
- proavita, Munditia proavita C.R. Laws, 1936 † - (LIOTIIDAE) (FOSSIL)
- proavita, Murexsul proavita C.R. Laws, 1935 † - (MURICIDAE) (FOSSIL)
- proavita, Thracia proavita Hudson & Jefferies, 1961 † - (THRACIIDAE) (FOSSIL)
- Proavites, Genus Proavites Arthaber, 1896 (PINACOCERATIDAE) (FOSSIL)
- proavitum, Cerithium proavitum M. Yokoyama, 1929 † - (CERITHIIDAE) (FOSSIL)
- proavitus, Penion proavitus (Finlay & J. Marwick, 1937 †) - (BUCCINIDAE) (FOSSIL)
- proavius, Loripes proavius L. Waagen, 1881 † - (LUCINIDAE) (FOSSIL)
- proavius, Viviparus proavius G.P. Deshayes, 1862 † - (VIVIPARIDAE) (FOSSIL)
- proavius, Pseudotaphrus proavius A.E.M. Cossmann, 1888 † - (ZEBINIDAE) (FOSSIL)
- proavus, Marsupina proavus H.A. Pilsbry, 1922 - syn of: Marsupina bufo (J.G. Bruguière, 1792) - (BURSIDAE)
- proavus, Chlamys proavus R. Arnold, 1906 † - (PECTINIDAE) (FOSSIL)
- proba, Aegista proba A. Adams, 1868 - (BRADYBAENIDAE)
- proba, Tyrannophaedusa proba (C.B. Adams, 1868) - (CLAUSILIIDAE)
- proba, Erronea proba T. Iredale, 1939 - syn of: Erronea errones (C. Linnaeus, 1758) - (CYPRAEIDAE)
- proba caryostoma, Tyrannophaedusa proba caryostoma (O.F. von Möllendorff, 1882) - (CLAUSILIIDAE)
- proba eminens, Aegista proba eminens H.A. Pilsbry & Y. Hirase, 1904 - (BRADYBAENIDAE)
- proba goniosoma, Aegista proba goniosoma H.A. Pilsbry & Y. Hirase, 1904 - (BRADYBAENIDAE)
- proba mikuriyensis, Aegista proba mikuriyensis H.A. Pilsbry, 1902 - (BRADYBAENIDAE)
- proba minula, Aegista proba minula H.A. Pilsbry, 1901 - (BRADYBAENIDAE)
- proba nolani, Tyrannophaedusa proba nolani (O.F. von Möllendorff, 1882) - (CLAUSILIIDAE)
- proba osumiensis, Aegista proba osumiensis J.T. Kuroda, 1935 - (BRADYBAENIDAE)
- proba yahikoensis, Aegista proba yahikoensis J.T. Kuroda, 1953 - (BRADYBAENIDAE)
- probabilis, Ethminolia probabilis T. Iredale, 1924 - (TROCHIDAE)
- Probactrotheca, Genus Probactrotheca Valent & al., 2012 (ORTHOTHECIDAE) (FOSSIL)
- Probaicalia, Genus Probaicalia Martinson,1949 (HYDROBIIDAE) (FOSSIL)
- probata, Asijatheca probata Missarzhevsky & Mambetov, 1981 † - (TETRATHECIDAE) (FOSSIL)
- probata, Caracollina probata J.F. Mabille, 1898 - syn of: Caracollina lenticula (A. Michaud, 1831) - (TRISSEXODONTIDAE)
- Probatoceras, Genus Probatoceras Zhyravleva , 1978 (PSEUDORTHOCERATIDAE) (FOSSIL)
- probatum, Nemocardium probatum (T. Iredale, 1927) - (CARDIIDAE)
- probavaricus, Unio probavaricus F. Haas, 1911 - syn of: Unio arcuatus N.R. Bouchard-Chantereaux, 1838 - (UNIONIDAE)
- probellula, Nuculana probellula J. Marwick, 1929 † - (NUCULANIDAE) (FOSSIL)
- Probeloceras, Genus Probeloceras Clarke, 1898 (ACANTHOCLYMENIIDAE) (FOSSIL)
- probenthicola, Zalipais probenthicola C.R. Laws, 1940 † - (SKENEIDAE) (FOSSIL)
- Probillingsites, Genus Probillingsites Foerste, 1928 (PROBILLINGSITIDAE) (FOSSIL)
- PROBILLINGSITIDAE Krφger, 2013 - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-ASCOCERIDA [Order]) (FOSSIL)
- probina, Tellina probina K.J. Boss, 1964 - (TELLINIDAE)
- probinornatum, Euhoplites probinornatum Milbourne † - (HOPLITIDAE) (FOSSIL)
- probinus, Angulus probinus K.J. Boss, 1964 - syn of: Tellina probina K.J. Boss, 1964 - (TELLINIDAE)
- Probithynella, syn of: Genus Probythinella K.H.J. Thiele, 1928 (HYDROBIIDAE)
- Probittium, Genus Probittium Bandel, 2006 (CERITHIIDAE) (FOSSIL)
- Problacmaea, syn of: Genus Erginus J.G. Jeffreys, 1877 (ACMAEIDAE)
- Problancylus, syn of: Subgenus Laevapex (Pettancylus) T. Iredale, 1943 (PLANORBIDAE)
- problanda, Graphis problanda C.R. Laws, 1944 † - (TOFANELLIDAE) (FOSSIL)
- probleema, Cerithium probleema T. Iredale, 1929 - syn of: Cerithium zonatum (W. Wood, 1828) - (CERITHIIDAE)
- probleemum, Salaputium probleemum (J.C. Verco, 1907) - (CRASSATELLIDAE)
- problema, Pyrgulina problema Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- problematica, Amastra problematica C.M. Cooke, 1933 - (AMASTRIDAE)
- problematica, Anomia problematica W.H. Turton, 1932 - syn of: Anomia achaeus Gray, 1849 - (ANOMIIDAE)
- problematica, Winkleriteuthis problematica (A. Naef, 1922 †) - (BELEMNITIDA (UNASSIGNED)) (FOSSIL)
- problematica, Acanthoteuthis problematica A. Naef, 1922 † - syn of: Winkleriteuthis problematica (A. Naef, 1922 †) - (BELEMNITIDA (unassigned)) (FOSSIL)
- problematica, Belomitra problematica (K.H.J. Thiele, 1925) - (BELOMITRIDAE)
- problematica, Bradybaena problematica H.A. Pilsbry, 1926 - (BRADYBAENIDAE)
- problematica, Parficulina problematica (A.W.B. Powell, 1951) - (BUCCINIDAE)
- problematica, Chosenelix problematica (H.A. Pilsbry, 1926) - (CAMAENIDAE)
- problematica, Scalptia problematica B.M. Landau & al., 2013 † - (CANCELLARIIDAE) (FOSSIL)
- problematica, Rhophodon problematica C.J. Gabriel, 1947 - (CHAROPIDAE)
- problematica, Costoanachis problematica (C.R. Laws, 1944 †) - (COLUMBELLIDAE) (FOSSIL)
- problematica, Cyamiomactra problematica F. Bernard, 1897 - (CYAMIIDAE)
- problematica, Siphocypraea problematica A. Heilprin, 1887 † - (CYPRAEIDAE) (FOSSIL)
- problematica, Zonaria problematica T. Iredale, 1935 - syn of: Erronea pyriformis (J.E. Gray, 1824) - (CYPRAEIDAE)
- problematica, Diplommatina problematica (A. Mousson, 1865) - (DIPLOMMATINIDAE)
- problematica, Splendrillia problematica F.E. Wells, 1995 - (DRILLIIDAE)
- problematica, Lioteuthis problematica A. Naef, 1922 † - (LIOTEUTHIDIDAE) (FOSSIL)
- problematica, Lithiotis problematica Gümbel, 1871 † - (LITHIOTIDAE) (FOSSIL)
- problematica, Luciniola problematica (Terquem, 1855 †) - (LUCINIDAE) (FOSSIL)
- problematica, Mangelia problematica K.H.J. Thiele, 1925 - syn of: Belomitra problematica (K.H.J. Thiele, 1925) - (MANGELIIDAE)
- problematica, Manticula problematica (C.A. von Zittel, 1864 †) - (MANTICULIDAE) (FOSSIL)
- problematica, Marginella problematica J.H. Gatliff & C.J. Gabriel, 1916 - syn of: Cystiscus problematicus (J.H. Gatliff & C.J. Gabriel, 1916) - (MARGINELLIDAE)
- problematica, Coralliophila problematica (K. Martin, 1899 †) - (MURICIDAE) (FOSSIL)
- problematica, Reishia problematica (F.C. Baker, 1891) - (MURICIDAE)
- problematica, Nassaria problematica (T. Iredale, 1936) - (NASSARIIDAE)
- problematica, Natica problematica L.A. Reeve, 1855 - syn of: Glossaulax vesicalis (R.A. Philippi, 1848) - (NATICIDAE)
- problematica, Jianchuania problematica (C. Chen, 1976 †) - (OXYTOMIDAE) (FOSSIL)
- problematica, Avicula problematica A. De Gregorio, 1930 † - (PTERIIDAE) (FOSSIL)
- problematica, Actinopteria problematica C. Chen & T.C. Lan, 1976 † - (PTERINEIDAE) (FOSSIL)
- problematica, Metzgeria problematica (W.F. Ponder, 1968) - (PTYCHATRACTIDAE)
- problematica, Siogamaia problematica S. Nomura, 1936 - (PYRAMIDELLIDAE)
- problematica, Cowlitzia problematica G.D. Hanna, 1927 † - (RIMELLIDAE) (FOSSIL)
- problematica, Micromena problematica (H.A. Pilsbry, 1907) - (SPIRAXIDAE)
- problematica, Niveria problematica (F.A. Schilder, 1931) - (TRIVIIDAE)
- problematica, Notoficula problematica A.W.B. Powell, 1951 - syn of: Parficulina problematica (A.W.B. Powell, 1951) - (TRIVIIDAE)
- problematica, Elrhazunio problematica D. Van Damme & A. Bogan, 2015 † - (UNIONIDA (UNASSIGNED)) (FOSSIL)
- problematica, Macromphalina problematica (G.P. Deshayes, 1864 †) - (VANIKORIDAE) (FOSSIL)
- problematica, Volutomitra problematica W.F. Ponder, 1968 - syn of: Metzgeria problematica (W.F. Ponder, 1968) - (VOLUTOMITRIDAE)
- problematicum, Dunveganoceras problematicum Cobban, 1988 † - (ACANTHOCERATIDAE) (FOSSIL)
- problematicum, Araeonema problematicum Wang, 1980 † - (ARAEONEMATIDAE) (FOSSIL)
- problematicum, Calliostoma problematicum J.T. Kuroda & T. Habe, 1971 - (CALLIOSTOMATIDAE)
- problematicum, Epitonium problematicum P. Dautzenberg & M.E.A. de Boury, 1897 - syn of: Epitonium dallianum (A.E. Verrill & S. Smith in A.E. Verrill, 1880) - (EPITONIIDAE)
- problematicum, Tetrameroceras problematicum (Barrande, 1865 †) - (HEMIPHRAGMOCERATIDAE) (FOSSIL)
- problematicum, Ebrayiceras problematicum (C. Gemmellaro, 1877 †) - (MORPHOCERATIDAE) (FOSSIL)
- problematicum, Phragmoceras problematicum Barrande, 1865 † - syn of: Tetrameroceras problematicum (Barrande, 1865 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- problematicum, Septa problematicum P. Dautzenberg & H. Fischer, 1906 - syn of: Monoplex tranquebaricus J.B.P.A. Lamarck, 1816 - (RANELLIDAE)
- problematicum, Triton problematicum P. Dautzenberg & H. Fischer, 1906 - syn of: Monoplex tranquebaricus J.B.P.A. Lamarck, 1816 - (RANELLIDAE)
- problematicum, Cymatium problematicum P. Dautzenberg & H. Fischer, 1906 - syn of: Monoplex tranquebaricus J.B.P.A. Lamarck, 1816 - (RANELLIDAE)
- problematicum, Sphaerium problematicum C.J. Gabriel, 1939 - (SPHAERIIDAE)
- problematicum, Tripteroceras problematicum Sweet, 1958 † - (TRIPTEROCERATIDAE) (FOSSIL)
- problematicum natronense, Dunveganoceras problematicum natronense Cobban, 1988 † - (ACANTHOCERATIDAE) (FOSSIL)
- problematicus, Acteon problematicus B.M. Landau & al., 2013 † - (ACTEONIDAE) (FOSSIL)
- problematicus, Aeneator problematicus C.A. Fleming, 1943 † - (BUCCINIDAE) (FOSSIL)
- problematicus, Cystiscus problematicus (J.H. Gatliff & C.J. Gabriel, 1916) - (CYSTISCIDAE)
- problematicus, Gigantocapulus problematicus (T. Nagao & Otatume, 1938 †) - (GIGANTOCAPULIDAE) (FOSSIL)
- problematicus, Chicomurex problematicus (T.C. Lan, 1981) - (MURICIDAE)
- problematicus, Babelomurex problematicus (S. Kosuge, 1980) - (MURICIDAE)
- problematicus, Trigonodus problematicus (Klipstein, 1843 †) - (PACHYCARDIIDAE) (FOSSIL)
- problematicus, Pyrgotrochus problematicus J. Szabo, 1980 † - (PLEUROTOMARIIDAE) (FOSSIL)
- problematicus, Faxetrochus problematicus Schnetler & P. Lozouet, 2012 † - (PORCELLIIDAE) (FOSSIL)
- problematicus, Inquisitor problematicus A.W.B. Powell, 1942 † - syn of: Inquisitor awamoaensis (F.W. Hutton, 1873 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- problematicus, Anisomyon problematicus T. Nagao & Otatume, 1938 † - syn of: Gigantocapulus problematicus (T. Nagao & Otatume, 1938 †) - (SIPHONARIIDAE) (FOSSIL)
- problematicus, Oostrombus problematicus (O.G. Michelotti, 1861 †) - (STROMBIDAE) (FOSSIL)
- problematicus, Pseudoinquisitor problematicus A.W.B. Powell, 1942 † - syn of: Inquisitor awamoaensis (F.W. Hutton, 1873 †) - (TURRIDAE) (FOSSIL)
- probletostomus, Arcestes probletostomus Mojsisovics, 1875 † - (ARCESTIDAE) (FOSSIL)
- Problitora, Genus Problitora T. Iredale, 1931 (EPITONIIDAE)
- Probolaeum, Genus Probolaeum Dall, 1882 (PALEOLORICATA (UNASSIGNED)) (FOSSIL)
- proboscidale, Cymbium proboscidale J.B.P.A. Lamarck, 1811 - syn of: Cymbium glans (J.F. Gmelin, 1791) - (VOLUTIDAE)
- proboscidalis, Anodonta proboscidalis Zieg - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- Proboscidea, syn of: Genus Pisania Ant. Bivona-Bernardi, 1832 (BUCCINIDAE)
- proboscidea, Zachrysia proboscidea (L. Pfeiffer, 1856) - (CAMAENIDAE)
- proboscidea, Cymbulia proboscidea L. Oken, 1815 - syn of: Cymbulia peronii H.M.D. de Blainville, 1818 - (CYMBULIIDAE)
- proboscidea, Cymbulia proboscidea J.B.P.A. Lamarck, 1816 - syn of: Cymbulia peronii H.M.D. de Blainville, 1818 - (CYMBULIIDAE)
- proboscidea, Melanopsis proboscidea G.P. Deshayes, 1862 † - (MELANOPSIDAE) (FOSSIL)
- proboscidea, Goniomya proboscidea A.E.R. Agassiz, 1842 † - (PHOLADOMYIDAE) (FOSSIL)
- proboscidea, Anticlimax proboscidea (C.G. Aguayo, 1949) - (TORNIDAE)
- proboscidea, Montapiculus proboscidea S. Panha & J.B. Burch, 1999 - (VERTIGINIDAE)
- proboscideum, Ctenostreon proboscideum (Sowerby, 1820 †) - (LIMIDAE) (FOSSIL)
- proboscideum, Tubiferoceras proboscideum Hedstrom, 1917 † - (PHRAGMOCERATIDAE) (FOSSIL)
- proboscideus, Dinoteuthis proboscideus A. More, 1875 - syn of: Architeuthis dux J.J.S. Steenstrup, 1857 - (ARCHITEUTHIDAE)
- proboscideus, Sachites proboscideus Meshkova, 1969 † - syn of: Halkieria sacciformis (Meshkova, 1969 †) - (HALKIERIIDAE) (FOSSIL)
- proboscideus, Euhoplites proboscideus (Sowerby 1821 †) - (HOPLITIDAE) (FOSSIL)
- proboscideus, Spondylus proboscideus K. Schreibers, 1793 - syn of: Spondylus spinosus K. Schreibers, 1793 - (SPONDYLIDAE)
- proboscidifera, Voluta proboscidifera (A.E.M. Cossmann, 1896 †) - (VOLUTIDAE) (FOSSIL)
- proboscidiferus, Fusus proboscidiferus J.B.P.A. Lamarck, 1822 - syn of: Syrinx aruanus (C. Linnaeus, 1758) - (FASCIOLARIIDAE)
- proboscidiferus, Syrinx proboscidiferus J.B.P.A. Lamarck, 1822 - syn of: Syrinx aruanus (C. Linnaeus, 1758) - (TURBINELLIDAE)
- proboscidium, Ctenostreon proboscidium (J. de C. Sowerby, 1820) † - (LIMIDAE) (FOSSIL)
- proboscis, Fenqiaronia proboscis (S.Y. Feng & al., 1994 †) - (HELCIONELLIDAE) (FOSSIL)
- proboscoideum, Tubiferoceras proboscoideum (Hedström, 1917 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- proboscoideum, Phragmoceras proboscoideum Hedström, 1917 † - syn of: Tubiferoceras proboscoideum (Hedström, 1917 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- proboulus, Septifer proboulus D.T. Dockery, 1982 † - (MYTILIDAE) (FOSSIL)
- Probrazieria, Subgenus Brazieria (Probrazieria) F.C. Baker, 1941 (TROCHOMORPHIDAE)
- Probuccinum, Genus Probuccinum K.H.J. Thiele, 1912 (BUCCINIDAE)
- probum, Gomphoceras probum Barrande, 1865 † - syn of: Mandaloceras probum (Barrande, 1865 †) - (DIESTOCERATIDAE) (FOSSIL)
- probum, Mandaloceras probum (Barrande, 1865 †) - (MANDALOCERATIDAE) (FOSSIL)
- probum, Pararhiphaeoceras probum Shimanskiy, 1979 † - (RHIPHAEOCERATIDAE) (FOSSIL)
- probus, Piliscus probus S.L. Lovén, 1859 - syn of: Piliscus commodus (A.T. von Middendorff, 1851) - (VELUTINIDAE)
- Probythinella, Genus Probythinella K.H.J. Thiele, 1928 (HYDROBIIDAE)
- proca, Eulima proca L. de Folin, 1867 - syn of: Microeulima terebralis (P.P. Carpenter, 1857) - (EULIMIDAE)
- proca, Microeulima proca L. de Folin, 1867 - syn of: Microeulima terebralis (P.P. Carpenter, 1857) - (EULIMIDAE)
- Procalpurnus, Genus Procalpurnus K.H.J. Thiele, 1929 (OVULIDAE)
- Procampanile, Genus Procampanile Hacobjan, 1976 (CAMPANILIDAE) (FOSSIL)
- procanalis, Pelicaria procanalis A.G. Beu, 1970 - (STRUTHIOLARIIDAE)
- Procancellaria, syn of: Genus Procanellaria R.O. Wilckens, 1922 (LITTORINIDAE)
- Procanellaria, Genus Procanellaria R.O. Wilckens, 1922 (LITTORINIDAE)
- Procardia, Genus Procardia Meek, 1871 (PARILIMYIDAE) (FOSSIL)
- Procarinaria, Genus Procarinaria Perner , 1911 (PROCARINARIIDAE) (FOSSIL)
- PROCARINARIIDAE Wenz, 1938 - Family (HELCIONELLOIDA-ARCHAEOBRANCHIA [Subclass]-HELCIONELLIFORMES [Order]) (FOSSIL)
- Procarnites, Genus Procarnites Arthaber , 1911 (PROCARNITIDAE) (FOSSIL)
- PROCARNITIDAE Zhao, 1959 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-MEGAPHYLLITOIDEA [Superfamily]) (FOSSIL)
- procax, Platyla procax H.D. Boeters, E. Gittenberger & P. Subai, 1989 - (ACICULIDAE)
- procax, Mastus procax W.J.M. Maassen, 1995 - (ENIDAE)
- procax, Cubadamsiella procax (F. Poey, 1851) - (POMATIIDAE)
- procedens, Acutimitoceras procedens W. Korn, 1984 † - (GATTENDORFIIDAE) (FOSSIL)
- procedens, Transpharciceras procedens Bockwinkel, Becker & Ebbighausen, 2013 † - (PHARCICERATIDAE) (FOSSIL)
- procella, Mesoginella procella W.L. May, 1916 - syn of: Mesoginella olivella (L.A. Reeve, 1865) - (MARGINELLIDAE)
- procella, Trivia procella C.N. Cate, 1979 - syn of: Trivia monacha (da Costa, 1778) - (TRIVIIDAE)
- procellanus, Hippopus procellanus J.P. Rosewater, 1982 † - (TRIDACNIDAE) (FOSSIL)
- procellaria, Aegopinella procellaria (Jooss, 1918) † - (ZONITIDAE) (FOSSIL)
- procellarum, Columbella procellarum R.P.J. Hervier, 1899 - syn of: Mitrella loyaltyensis (R.P.J. Hervier, 1899) - (COLUMBELLIDAE)
- procellarum, Mitrella procellarum R.P.J. Hervier, 1899 - syn of: Mitrella loyaltyensis (R.P.J. Hervier, 1899) - (COLUMBELLIDAE)
- procellarum disserenans, Mitrella procellarum disserenans R.P.J. Hervier, 1899 - syn of: Mitrella loyaltyensis (R.P.J. Hervier, 1899) - (COLUMBELLIDAE)
- procellarum disserenans, Columbella procellarum disserenans R.P.J. Hervier, 1899 - syn of: Mitrella loyaltyensis (R.P.J. Hervier, 1899) - (COLUMBELLIDAE)
- procellarum fulgidula, Mitrella procellarum fulgidula R.P.J. Hervier, 1899 - syn of: Mitrella loyaltyensis (R.P.J. Hervier, 1899) - (COLUMBELLIDAE)
- procellarum fulgidula, Columbella procellarum fulgidula R.P.J. Hervier, 1899 - syn of: Mitrella loyaltyensis (R.P.J. Hervier, 1899) - (COLUMBELLIDAE)
- procellarum turbata, Columbella procellarum turbata R.P.J. Hervier, 1899 - syn of: Mitrella loyaltyensis (R.P.J. Hervier, 1899) - (COLUMBELLIDAE)
- procellarum turbata, Mitrella procellarum turbata R.P.J. Hervier, 1899 - syn of: Mitrella loyaltyensis (R.P.J. Hervier, 1899) - (COLUMBELLIDAE)
- procellosa, Striostrea procellosa É. Lamy, 1929 - syn of: Striostrea margaritacea (J.B.P.A. Lamarck, 1819) - (OSTREIDAE)
- procellosus, Stiracolpus procellosus (J. Marwick, 1931 †) - (TURRITELLIDAE) (FOSSIL)
- procer, Farcimen procer F. Poey, 1854 - (MEGALOMASTOMIDAE)
- procer, Cyrtodiscus procer J. Perner, 1903 † - (SINUITIDAE) (FOSSIL)
- procer roigi, Farcimen procer roigi L.O. Alcalde, 1945 - (MEGALOMASTOMIDAE)
- procera, Achatina procera C.B. Adams, 1849 - syn of: Varicella necrodes H.B. Baker, 1935 - (ACHATINIDAE)
- procera, Spengelomenia procera L. Salvini-Plawén, 1978 - (AMPHIMENIIDAE)
- procera, Amalda procera T. Ninomiya, 1991 - (ANCILLARIIDAE)
- procera, Barleeia procera E. Rolán & S. Gori, 2014 - (BARLEEIIDAE)
- procera, Ganesella procera G.P.L.K. Gude, 1902 - (CAMAENIDAE)
- procera, Bagenovia procera Koneva, 1976 † - (CAMBRIDIIDAE) (FOSSIL)
- procera, Cyclocardia procera A.A. Gould, 1850 - syn of: Cyclocardia compressa (L.A. Reeve, 1843) - (CARDITIDAE)
- procera, Cardita procera A.A. Gould, 1850 - syn of: Cyclocardia compressa (L.A. Reeve, 1843) - (CARDITIDAE)
- procera, Rhinoclavis procera L.C. Kiener, 1861 - syn of: Rhinoclavis fasciata (J.G. Bruguière, 1792) - (CERITHIIDAE)
- procera, Vestia turgida procera (E.A. Bielz, 1853) - (CLAUSILIIDAE)
- procera, Fusiturris amianta procera L. Bozzetti, 2015 - (CLAVATULIDAE)
- procera, Adeorbisina procera J. Szabo, 1981 † - (COLLONIIDAE) (FOSSIL)
- procera, Colubraria procera (G.B. I Sowerby, 1832) - (COLUBRARIIDAE)
- procera, Bathyglypta procera (L.R.L. Simone & C. Gracia, 2006) - (COLUMBELLIDAE)
- procera, Nassarina procera J. Pelorce & F. Boyer, 2005 - (COLUMBELLIDAE)
- procera, Columbella procera É.A.A. Locard, 1886 - syn of: Columbella rustica (C. Linnaeus, 1758) - (COLUMBELLIDAE)
- procera, Corbula procera L.A. Reeve, 1844 - syn of: Potamocorbula adusta (L.A. Reeve, 1844) - (CORBULIDAE)
- procera, Batissa procera M. Suzuki, 1941 † - (CYRENIDAE) (FOSSIL)
- procera, Cyrtoclymenia procera Czarnocki, 1989 † - (CYRTOCLYMENIIDAE) (FOSSIL)
- procera, Annulobalcis procera L.R.L. Simone, 2002 - (EULIMIDAE)
- procera, Centrifugus procera (J. Perner, 1907 †) - (EUOMPHALIDAE) (FOSSIL)
- procera, Triptychia procera Schnabel, 2006 † - (FILHOLIIDAE) (FOSSIL)
- procera, Gastrocopta procera (A.A. Gould, 1840) - (GASTROCOPTIDAE)
- procera, Heteroherpia procera L. Salvini-Plawén, 1978 - (HETEROHERPIIDAE)
- procera, Hydrobia procera (C. Mayer, 1864 †) - (HYDROBIIDAE) (FOSSIL)
- procera, Hydrobia procera A. Paladilhe, 1874 - syn of: Hydrobia acuta (J.P.R. Draparnaud, 1805) - (HYDROBIIDAE)
- procera, Pellamora procera T. Iredale, 1943 - syn of: Pellamora australis (C. Hedley, 1901) - (IRAVADIIDAE)
- procera, Thielea procera J.J. Tesch, 1913 - syn of: Thielea helicoides (J.G. Jeffreys, 1877) - (LIMACINIDAE)
- procera, Thilea procera H. Strebel, 1908 - syn of: Thielea helicoides (J.G. Jeffreys, 1877) - (LIMACINIDAE)
- procera, Thielea procera H. Strebel, 1908 - syn of: Thielea helicoides (J.G. Jeffreys, 1877) - (LIMACINIDAE)
- procera, Lophospira procera Ulrich & Scofield, 1897 † - syn of: Lophospira milleri (Miller, 1877 †) - (LOPHOSPIRIDAE) (FOSSIL)
- procera, Spisula procera L.W. Dillwyn, 1817 - syn of: Hemimactra solidissima (L.W. Dillwyn, 1817) - (MACTRIDAE)
- procera, Serrata procera F. Boyer, 2008 - (MARGINELLIDAE)
- procera, Angulathilda procera (Grundel, 2006 †) - (MATHILDIDAE) (FOSSIL)
- procera, Pagodula procera R. Houart, 2001 - (MURICIDAE)
- procera, Magnatica procera Finlay & J. Marwick, 1937 † - (NATICIDAE) (FOSSIL)
- procera, Cerithiella procera Maire, 1927 - (NEWTONIELLIDAE)
- procera, Cerithiella procera J.G. Jeffreys, 1876 - syn of: Cerithiella metula (S.L. Lovén, 1846) - (NEWTONIELLIDAE)
- procera, Morphotropis procera J. Perner, 1903 † - (ORIOSTOMATIDAE) (FOSSIL)
- procera, Carpiscula procera D. Fehse, 2009 - (OVULIDAE)
- procera, Sisenna procera (Deslongchamps, 1849 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- procera, Porcellia procera J. Perner, 1907 † - syn of: Centrifugus procera (J. Perner, 1907 †) - (PORCELLIIDAE) (FOSSIL)
- procera, Pseudomelania procera (Deslongchamps) † - (PSEUDOMELANIIDAE) (FOSSIL)
- procera, Crassispira procera Kantor, Stahlschmidt, Aznar-Cormano, Bouchet & Puillandre, 2016 - (PSEUDOMELATOMIDAE)
- procera, Eulimella procera A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- procera, Gymnobela procera A.V. Sysoev & P. Bouchet, 2001 - (RAPHITOMIDAE)
- procera, Cingula procera A. Adams, 1861 - (RISSOIDAE)
- procera, Tripartella procera Gruendel, 2001 † - (TRIPARTELLIDAE) (FOSSIL)
- procera, Geomelania procera C.B. Adams, 1850 - syn of: Geomelania magna C.B. Adams, 1850 - (TRUNCATELLIDAE)
- procera, Sinuarbullina procera Grundel, 1999 † - (TUBIFERIDAE) (FOSSIL)
- procera, Urocoptis procera (C.B. Adams) - (UROCOPTIDAE)
- procera, Bifidaria procera A.A. Gould - syn of: Gastrocopta riograndensis H.A. Pilsbry, 1916 - (VERTIGINIDAE)
- procera cristata, Bifidaria procera cristata H.A. Pilsbry & E.G. Vanatta, 1900 - syn of: Gastrocopta cristata (H.A. Pilsbry & E.G. Vanatta, 1900) - (VERTIGINIDAE)
- Procerapex, Genus Procerapex Hickman, 1976 (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Procerastus, Genus Procerastus W.A. Wenz, 1924 (ANADROMIDAE) (FOSSIL)
- procerita, Turbonilla procerita (C.F. Laseron, 1959) - (PYRAMIDELLIDAE)
- proceritas, Limopsis proceritas (M.A. Crozier, 1966) - (LIMOPSIDAE)
- Proceritella, Genus Proceritella Fischer, 1961 (CERITELLIDAE) (FOSSIL)
- Procerites, Genus Procerites Imlay, 1953 (PERISPHINCTIDAE) (FOSSIL)
- PROCERITHIIDAE Cossmann, 1906 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-CERITHIOIDEA [Superfamily]) (FOSSIL)
- Procerithiopsis, Genus Procerithiopsis Mansuy , 1914 (SOLENISCIDAE) (FOSSIL)
- Procerithium, syn of: Genus Cerithium J.G. Bruguiθre, 1789 (CERITHIIDAE)
- Procerithium, Genus Procerithium Cossmann, 1902 (PROCERITHIIDAE) (FOSSIL)
- Procerozigzag, Subgenus Zigzagiceras (Procerozigzag) Hahn, 1968 (PERISPHINCTIDAE) (FOSSIL)
- procerula, Chauvetia procerula (T.A. de M. Monterosato, 1889) - (BUCCINIDAE)
- procerula, Microsveltia procerula A. Verhecken, 1997 - (CANCELLARIIDAE)
- procerula, Cochlicella procerula T.A. de M. Monterosato, 1892 - syn of: Cochlicella acuta (O.F. Müller, 1774) - (COCHLICELLIDAE)
- procerula, Plagigeyeria procerula (A.M. Angelov, 1965) - (HYDROBIIDAE)
- procerula, Hydrobia procerula A. Paladilhe, 1869 - syn of: Hydrobia acuta (J.P.R. Draparnaud, 1805) - (HYDROBIIDAE)
- procerula, Euglandina procerula (P.M.A. Morelet, 1851) - (SPIRAXIDAE)
- procerula, Donovania procerula T.A. de M. Monterosato, 1889 - syn of: Chauvetia procerula (T.A. de M. Monterosato, 1889) - (TURRIDAE)
- Proceruliana, syn of: Subgenus Ferussacia (Pegea) A. Risso, 1826 (FERUSSACIIDAE)
- procerulus, Tornatellides procerulus (C.M.F. Ancey, 1903) - (ACHATINELLIDAE)
- procerulus kailuanus, Tornatellides procerulus kailuanus H.A. Pilsbry & C.M. Cooke, 1915 - (ACHATINELLIDAE)
- procerulus puukolekolensis, Tornatellides procerulus puukolekolensis H.A. Pilsbry & C.M. Cooke, 1915 - (ACHATINELLIDAE)
- procerum, Sudeticeras procerum Moore, 1950 † - (ANTHRACOCERATIDAE) (FOSSIL)
- procerum, Carbactinoceras procerum Kroeger & Mapes, 2007 † - (CARBACTINOCERATIDAE) (FOSSIL)
- procerum, Mexicardia procerum (G.B. I Sowerby, 1833) - (CARDIIDAE)
- procerum, Cerithium procerum J.G. Jeffreys, 1876 - syn of: Cerithiella metula (S.L. Lovén, 1846) - (CERITHIIDAE)
- procerum, Rhinoclavis fasciata procerum L.C. Kiener, 1841 - (CERITHIIDAE)
- procerum, Prosolarium procerum J. Perner, 1903 † - (LUCIELLIDAE) (FOSSIL)
- procerum, Pseudocenoceras procerum Shimansky, 1975 † - (NAUTILIDAE) (FOSSIL)
- procerum, Neostlingoceras procerum Cobban, Hook & J. Kennedy, 1989 † - (TURRILITIDAE) (FOSSIL)
- procerum panamense, Mexicardia procerum panamense (G.B. I Sowerby, 1833) - (CARDIIDAE)
- procerus, Acteon procerus G.P. Deshayes, 1862 † - (ACTEONIDAE) (FOSSIL)
- procerus, Meladomus procerus E.C. Von Martens, 1866 - syn of: Lanistes ovum F.H. Troschel, 1845 - (AMPULLARIIDAE)
- procerus, Falcidens procerus L. Salvini-Plawén, 1992 - (CHAETODERMATIDAE)
- procerus, Conorbis procerus A.H.E. Beyrich, 1853 † - (CONORBIDAE) (FOSSIL)
- procerus, Carotites procerus P.A. Zhuravleva, 1972 † - (DISCOSORIDA (UNASSIGNED)) (FOSSIL)
- procerus, Napaeus procerus W.K. Emerson, 2006 - (ENIDAE)
- procerus, Gymnites procerus Tozer, 1994 † - (GYMNITIDAE) (FOSSIL)
- procerus, Austropyrgus procerus A. Clark, W.B. Miller & W.F. Ponder, 2003 - (HYDROBIIDAE)
- procerus, Megaphyllites procerus Arthaber, 1896 † - (MEGAPHYLLITIDAE) (FOSSIL)
- procerus, Sigmataxis procerus (C.B. Adams, 1845) - (OLEACINIDAE)
- procerus, Borestus procerus A. Thomas, 1940 † - (PHYMATOPLEURIDAE) (FOSSIL)
- procerus, Paraseraphs procerus (M.S. Merian, 1844 † †) - (SERAPHSIDAE) (FOSSIL)
- procerus, Lophocochlias procerus F. Rubio & E. Rolán, 2015 - (SKENEIDAE)
- procerus langi, Meladomus procerus langi H.A. Pilsbry & J.C. Bequaert, 1927 - syn of: Lanistes ovum F.H. Troschel, 1845 - (AMPULLARIIDAE)
- procerus minor, Lanistes procerus minor J. Germain, 1907 - syn of: Lanistes ovum F.H. Troschel, 1845 - (AMPULLARIIDAE)
- processum, Cerion processum (C.J. Maynard & W.F. Clapp, 1920) - (CERIONIDAE)
- Prochaetoderma, Genus Prochaetoderma K.H.J. Thiele, 1913 (PROCHAETODERMATIDAE)
- PROCHAETODERMATIDAE Salvini-Plawen, 1975 - Family (CAUDOFOVEATA-CAUDOFOVEATA [Subclass]-CHAETODERMATIDA [Order])
- procheilus, Lobites procheilus Mojsisovics, 1875 † - (LOBITIDAE) (FOSSIL)
- Procheloniceras, Genus Procheloniceras Spath , 1923 (DOUVILLEICERATIDAE) (FOSSIL)
- procheuma, Chondrula macedonica procheuma A.J. Wagner, 1915 - (ENIDAE)
- Prochilus, syn of: Subgenus Chrysallis (Dolichostyla) H.A. Pilsbry, 1896 (BRADYBAENIDAE)
- Prochorites, Genus Prochorites Clausen , 1969 (ACANTHOCLYMENIIDAE) (FOSSIL)
- prochorovi, Subzebrinus prochorovi W.A. Lindholm, 1927 - syn of: Buliminus ujfalvyanus C.M.F. Ancey, 1886 - (ENIDAE)
- procincta, Rissoa procincta C. Hedley, 1908 - syn of: Ascorhis victoriae (J.E. Tenison-Woods, 1878) - (RISSOIDAE)
- Procladiscites, Genus Procladiscites Kittl, 1908 (CLADISCITIDAE) (FOSSIL)
- Proclava, Subgenus Rhinoclavis (Proclava) K.H.J. Thiele, 1929 (CERITHIIDAE)
- procles, Parahyotissa numisma procles (T. Iredale, 1908) - (GRYPHAEIDAE)
- procles, Ostrea procles T. Iredale, 1939 - syn of: Parahyotissa numisma procles (T. Iredale, 1908) - (OSTREIDAE)
- proclinatus, Simonaias proclinatus E.C. Von Martens, 1900 - syn of: Nephronaias scamnata (P.M.A. Morelet, 1849) - (UNIONIDAE)
- Proclio, syn of: Genus Clio C. Linnaeus, 1767 (CLIIDAE)
- procliva, Strophiops procliva C.J. Maynard & W.F. Clapp, 1921 - (CERIONIDAE)
- proclive, Partschiceras proclive (G. Rosenberg 1909 †) - (PHYLLOCERATIDAE) (FOSSIL)
- proclivia, Lopatinia proclivia N.W. Gardner, 2010 † - (CUCULLAEIDAE) (FOSSIL)
- Procliviceras, syn of: Genus Partschiceras Fucini , 1920 (PHYLLOCERATIDAE) (FOSSIL)
- proclivis, Alopia regalis proclivis (M. Kimakowicz, 1894) - (CLAUSILIIDAE)
- proclivis, Alopia plumbea proclivis M. von Kimakowicz, 1894 - (CLAUSILIIDAE)
- proclivis, Anachis proclivis K. Monsecour & D. Monsecour, 2016 - (COLUMBELLIDAE)
- proclivis, Metafruticicola proclivis (E.C. Von Martens, 1889) - (HYGROMIIDAE)
- proclivis, Megalobulimus proclivis (E.C. Von Martens, 1888) - (MEGALOBULIMIDAE)
- proclivis, Modiolus proclivis T. Iredale, 1939 - syn of: Modiolus rumphii (R.A. Philippi, 1847) - (MYTILIDAE)
- proclivis, Ecculiomphalus proclivis W.J. Raymond, 1906 † - (OPHILETIDAE) (FOSSIL)
- Proclydonautilus, Genus Proclydonautilus Mojsisovics, 1902 (CLYDONAUTILIDAE) (FOSSIL)
- Procochlodina, Subgenus Cochlodina (Procochlodina) H. Nordsieck, 1969 (CLAUSILIIDAE)
- Procolumbites, Genus Procolumbites Astachova , 1960 (COLUMBITIDAE) (FOSSIL)
- procolumnare, Bicuerda procolumnare B.S. Kues & Batten, 2001 † - (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- Procominula, Subgenus Cominella (Procominula) Finlay, 1926 (BUCCINIDAE) (FOSSIL)
- proconsul, Lispoceras proconsul Shimanskiy, 1967 † - (TRIGONOCERATIDAE) (FOSSIL)
- PROCONULIDAE Cox, 1960 - Family (GASTROPODA-VETIGASTROPODA [Subclass]-TROCHOIDEA [Superfamily]) (FOSSIL)
- Proconulus, Genus Proconulus Cossmann, 1918 (PROCONULIDAE) (FOSSIL)
- Proconus, Genus Proconus Webers & al., 1992 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- Procopievskia, Genus Procopievskia Raghozin, 1924 (PTERIOIDEA (UNASSIGNED)) (FOSSIL)
- Procorniculina, Genus Procorniculina Alberti, 1985 (PROCORNICULINIDAE) (FOSSIL)
- PROCORNICULINIDAE Alberti, 1986 - Family (TENTACULITA-DACRYOCONARIDA [Subclass]-PROCORNICULINIDA [Order]) (FOSSIL)
- Procos, syn of: Genus Asaphis Modeer, 1793 (PSAMMOBIIDAE)
- Procostaria, syn of: Genus Procostatoria Newell & Boyd, 1975 (COSTATORIIDAE) (FOSSIL)
- Procostatoria, Genus Procostatoria Newell & Boyd, 1975 (COSTATORIIDAE) (FOSSIL)
- Procraspedites, Genus Procraspedites Spath, 1930 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- procrassa, Mactra procrassa Woods, 1850 † - (MACTRIDAE) (FOSSIL)
- Procrassatella, syn of: Genus Oriocrassatella Etheridge Jr., 1907 (ORIOCRASSATELLIDAE) (FOSSIL)
- procratericulatus, Acteon procratericulatus C.R. Laws, 1939 † - (ACTEONIDAE) (FOSSIL)
- procrenatum, Cerithium crenatum procrenatum F. Sacco, 1895 † - (CERITHIIDAE) (FOSSIL)
- procris, Lophospira procris Billings, 1865 † - syn of: Straparollina procris (Billings, 1865 †) - (LOPHOSPIRIDAE) (FOSSIL)
- procris, Straparollina procris (Billings, 1865 †) - (STRAPAROLLINIDAE) (FOSSIL)
- procrita, Demissa procrita (R.N. Kilburn, 1977) - (MARGINELLIDAE)
- procrita, Dentimargo procrita R.N. Kilburn, 1977 - syn of: Demissa procrita (R.N. Kilburn, 1977) - (MARGINELLIDAE)
- Procrucibulum, Genus Procrucibulum Perner, 1903 (CLISOSPIRIDAE) (FOSSIL)
- procrystallina, Vitrea procrystallina (A. Andreae, 1902 †) - (PRISTILOMATIDAE) (FOSSIL)
- Proctaporia, syn of: Genus Onchidoris H.M.D. De Blainville, 1816 (ONCHIDORIDIDAE)
- procteri, Leucotaenius procteri (G.B. Sowerby, 1894) - (ACAVIDAE)
- procteri, Dictyotomaria procteri Nettelroth, 1889 † - syn of: Dictyotomaria capillaria (T.A. Conrad, 1842 †) - (GOSSELETINIDAE) (FOSSIL)
- procteri, Pleurotomaria procteri Nettelroth, 1889 † - syn of: Dictyotomaria capillaria (T.A. Conrad, 1842 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- proctoni, Holopea proctoni Tassell, 1982 † - syn of: Tychobrahea proctoni (Tassell, 1982 †) - (HOLOPEIDAE) (FOSSIL)
- proctoni, Tychobrahea proctoni (Tassell, 1982 †) - (TYCHOBRAHEIDAE) (FOSSIL)
- PROCTONOTIDAE Gray, 1853 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-NUDIBRANCHIA [Order])
- Proctonotus, Genus Proctonotus J. Alder, 1844 (PROCTONOTIDAE)
- proctorae, Glyptaesopus proctorae (M. Smith, 1936) - (BORSONIIDAE)
- proctorae, Aesopus proctorae (Maxwell Smith, 1936 †) - (COLUMBELLIDAE) (FOSSIL)
- proctori, Pseudonerinea proctori (Cragin, 1893 †) - (CERITELLIDAE) (FOSSIL)
- proctori, Cerithium proctori Cragin, 1893 † - syn of: Pseudonerinea proctori (Cragin, 1893 †) - (CERITHIIDAE) (FOSSIL)
- Proctostoma, syn of: Genus Moellendorffia C.M.F. Ancey, 1887 (CAMAENIDAE)
- proctostoma, Megalauchenia proctostoma (J.F. Mabille, 1887) - (CLAUSILIIDAE)
- proctostoma donggiaoensis, Megalauchenia proctostoma donggiaoensis (H. Nordsieck, 2002) - (CLAUSILIIDAE)
- proctostoma forceps, Megalauchenia proctostoma forceps (F.E. Loosjes & F.E. Loosjes, 1973) - (CLAUSILIIDAE)
- proctostoma goliath, Megalauchenia proctostoma goliath (H. Rolle, 1910) - (CLAUSILIIDAE)
- proctuca, Macroschisma proctuca Adams, 1850 † - (FISSURELLIDAE) (FOSSIL)
- procumbens, Carinaria cithara procumbens J.J. Tesch, 1906 - (CARINARIIDAE)
- procumbens, Hippocardia procumbens C.L.F. von Sandberger & C.L.F. von Sandberger, 1855 † - (HIPPOCARDIIDAE) (FOSSIL)
- procumbens, Ledella procumbens (B. Prashad, 1932) - (NUCULANIDAE)
- procurva, Diodora procurva D.G. Herbert, 1989 - (FISSURELLIDAE)
- procurva, Martesia procurva B. Wade, 1926 † - (PHOLADIDAE) (FOSSIL)
- procurvirostra, Melanoides procurvirostra Kókay, 2006 † - (THIARIDAE) (FOSSIL)
- Procurvoceratites, Genus Procurvoceratites Brayard & Bucher, 2008 (PINACOCERATIDAE) (FOSSIL)
- procurvum, Therioceras procurvum P.A. Zhuravleva, 1972 † - syn of: Raphanites bogoslovskyi (P.A. Zhuravleva, 1972 †) - (DISCOSORIDA (unassigned)) (FOSSIL)
- procurvus, Juvenites procurvus Brayard & Bucher, 2008 † - syn of: Juvenites sinuosus Kiparisova, 1947 † - (MELAGATHICERATIDAE) (FOSSIL)
- procurvus, Wasatchites procurvus McLearn, 1945 † - (PRIONITIDAE) (FOSSIL)
- Procyclotopsis, Genus Procyclotopsis Wenz, 1924 (POMATIIDAE) (FOSSIL)
- Procyclotus, Subgenus Cyclotus (Procyclotus) P. Fischer, 1891 (CYCLOPHORIDAE)
- Procymaclymenia, Genus Procymaclymenia Korn , 2002 (CYMACLYMENIIDAE) (FOSSIL)
- Procymatoceras, Genus Procymatoceras Spath, 1927 (CYMATOCERATIDAE) (FOSSIL)
- Procymbulia, syn of: Genus Peracle E. Forbes, 1844 (PERACLIDAE)
- PROCYMBULIIDAE - syn of Family: PERACLIDAE
- procyon, Ostrea procyon F.S. Holmes, 1858 - syn of: Crassostrea virginica (J.F. Gmelin, 1791) - (OSTREIDAE)
- procyonis, Ostrea procyonis C.J. Maury, 1924 † - (OSTREIDAE) (FOSSIL)
- Procyprina, Genus Procyprina Casey, 1952 (ARCTICIDAE) (FOSSIL)
- Prodactylioceras, Genus Prodactylioceras Bettoni, 1900 (DACTYLIOCERATIDAE) (FOSSIL)
- Prodallia, syn of: Genus Latiromitra Ι.A.A. Locard, 1897 (COSTELLARIIDAE)
- prodeflexus, Eurytus superstriatus prodeflexus H.A. Pilsbry, 1895 - (AMPHIBULIMIDAE)
- PRODENTALIIDAE Starobogatov, 1974 - Family (SCAPHOPODA-DENTALIIDA [Order]) (FOSSIL)
- Prodentalium, Genus Prodentalium Young, 1942 (PRODENTALIIDAE) (FOSSIL)
- Prodeshayesites, Genus Prodeshayesites von Koenen, 1902 (DESHAYESITIDAE) (FOSSIL)
- Prodichotomites, Subgenus Dichotomites (Prodichotomites) Kemper & Jeletzky, 1979 (POLYPTYCHITIDAE) (FOSSIL)
- prodicia, Bathytoma prodicia R.N. Kilburn, 1986 - (BORSONIIDAE)
- prodicta, Ethminolia prodicta P. Fischer, 1879 - syn of: Ethminolia probabilis T. Iredale, 1924 - (TROCHIDAE)
- Prodidacna, Subgenus Protodidacna (Prodidacna) Logvinenko & Y.I. Starabogatov, 1966 (CARDIIDAE)
- prodigialis, Obrutchevites prodigialis Vavilov, 1977 † - (CERATITIDA (UNASSIGNED)) (FOSSIL)
- prodigium, Endothyrella plectostoma prodigium (W.H. Benson, 1836) - (PLECTOPYLIDAE)
- Prodiozoptyxis, Genus Prodiozoptyxis Batten, 1985 (NERINEIDAE) (FOSSIL)
- prodita, Marsenina prodita S.L. Lovén, 1846 - syn of: Marsenina glabra (J.P.Y. Couthouy, 1838) - (VELUTINIDAE)
- proditor, Argobuccinum proditor (G.R. von Frauenfeld, 1865) - (RANELLIDAE)
- proditor, Apollon proditor G.R. von Frauenfeld, 1865 - syn of: Argobuccinum proditor (G.R. von Frauenfeld, 1865) - (RANELLIDAE)
- proditor tristanense, Argobuccinum proditor tristanense R.K. Dell, 1963 - (RANELLIDAE)
- proditoris, Cingula proditoris (K.H.J. Thiele, 1925) - (RISSOIDAE)
- proditum, Cerithium proditum C.É. Bayle, 1880 - syn of: Cerithium columna G.B. I Sowerby, 1834 - (CERITHIIDAE)
- prodoma, Pleioptygma prodoma Gardner, 1937 † - (PLEIOPTYGMATIDAE) (FOSSIL)
- prodontia, Apachella prodontia Winters, 1963 † - (GOSSELETINIDAE) (FOSSIL)
- Prodoridunculus, Genus Prodoridunculus K.H.J. Thiele, 1912 (AKIODORIDIDAE)
- Prodoris, Genus Prodoris O.N. Baranets & Minichev, 1995 (BATHYDORIDIDAE)
- Prodotia, Subgenus Cantharus (Prodotia) W.H. Dall, 1904 (BUCCINIDAE)
- Prodreissensia, Genus Prodreissensia Rovereto, 1898 (CARDIIDA (UNASSIGNED)) (FOSSIL)
- Prodrepanites, Genus Prodrepanites Tozer , 1994 (TIBETITIDAE) (FOSSIL)
- prodroma, Pleioptygma prodroma J. Gardner, 1938 † - (PLEIOPTYGMATIDAE) (FOSSIL)
- prodroma, Mercenaria prodroma Gardner, 1947 † - (VENERIDAE) (FOSSIL)
- Prodromites, Genus Prodromites Smith & Weller, 1901 (PRODROMITIDAE) (FOSSIL)
- PRODROMITIDAE Arthaber, 1911 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-KARAGANDOCERATOIDEA [Superfamily]) (FOSSIL)
- Prodromoteuthis, syn of: Genus Abraliopsis L.M.A.O.E. Joubin, 1896 (ENOPLOTEUTHIDAE)
- prodromus, Roadoceras prodromus (Ruzhentsev, 1976 †) - (PARAGASTRIOCERATIDAE) (FOSSIL)
- produbia, Clausilia produbia H. Nordsieck, 1976 † - (CLAUSILIIDAE) (FOSSIL)
- producera, Granulina producera T. McCleery, 2010 - (MARGINELLIDAE)
- producta, Craspedochiton producta (P.P. Carpenter in H.A. Pilsbry, 1892) - (ACANTHOCHITONIDAE)
- producta, Achatinella stewartii producta L.A. Reeve, 1850 - (ACHATINELLIDAE)
- producta, Achatina producta A.E. Reuss in A.E. Reuss & Meyer, 1849 † - syn of: Pseudoleacina producta (A.E. Reuss in A.E. Reuss & Meyer, 1849 †) - (ACHATINIDAE) (FOSSIL)
- producta, Teratobaicalia producta (Kozhov, 1936) - (AMNICOLIDAE)
- producta, Pomacea producta L.A. Reeve, 1856 - (AMPULLARIIDAE)
- producta, Amaurellina producta G.P. Deshayes, 1864 † - (AMPULLINIDAE) (FOSSIL)
- producta, Atropis producta (W.H. Pease, 1864) - (ASSIMINEIDAE)
- producta, Astarte producta G.B. I Sowerby, 1874 - syn of: Astarte borealis (H.C.F. Schumacher, 1817) - (ASTARTIDAE)
- producta, Bithynia producta A. Moquin-Tandon, 1855 - syn of: Bithynia tentaculata (C. Linnaeus, 1758) - (BITHYNIIDAE)
- producta, Bithynia producta K.T. Menke, 1828 - syn of: Bithynia tentaculata (C. Linnaeus, 1758) - (BITHYNIIDAE)
- producta, Bulla producta T. Brown, 1827 - syn of: Cylichna cylindracea (T. Pennant, 1777) - (BULLIDAE)
- producta, Ganesella producta (P. Dautzenberg & H. Fischer, 1908) - (CAMAENIDAE)
- producta, Fusiaphera macrospira producta (A. Adams & L.A. Reeve, 1850) - (CANCELLARIIDAE)
- producta, Synthopsis producta A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- producta, Chama producta W.J. Broderip, 1835 - syn of: Chama limbula J.B.P.A. Lamarck, 1819 - (CHAMIDAE)
- producta, Granaria producta J. Favre, 1927 - syn of: Granaria variabilis (J.P.R. Draparnaud, 1801) - (CHONDRINIDAE)
- producta, Macroptychia producta E. Neubert, 2002 - (CLAUSILIIDAE)
- producta, Cylichna producta T. Brown, 1827 - syn of: Cylichna cylindracea (T. Pennant, 1777) - (CYLICHNIDAE)
- producta, Corbicula producta E.C. Von Martens, 1905 - (CYRENIDAE)
- producta, Myosotella producta C.B. Adams, 1840 - syn of: Syrnola producta (C.B. Adams, 1840) - (ELLOBIIDAE)
- producta, Epitonium producta W.H. Turton, 1932 - syn of: Opalia aglaia (P. Bartsch, 1915) - (EPITONIIDAE)
- producta, Epitonium producta J.G. Jeffreys, 1884 - syn of: Epitonium dallianum (A.E. Verrill & S. Smith in A.E. Verrill, 1880) - (EPITONIIDAE)
- producta, Melanella producta (P.P. Carpenter, 1863) - (EULIMIDAE)
- producta, Amphorella producta R.T. Lowe, 1852 - syn of: Amphorella hypselia (H.A. Pilsbry, 1909) - (FERUSSACIIDAE)
- producta, Diodora producta (T.A. de M. Monterosato, 1880) - (FISSURELLIDAE)
- producta, Caspia producta E. Jekelius, 1944 † - (HYDROBIIDAE) (FOSSIL)
- producta, Brasovia producta (E. Jekelius, 1944 †) - (HYDROBIIDAE) (FOSSIL)
- producta, Realia producta W.H. Pease, 1865 - syn of: Atropis producta (W.H. Pease, 1864) - (LIAREIDAE)
- producta, Limopsis producta Finlay & McDowall, 1923 † - (LIMOPSIDAE) (FOSSIL)
- producta, Lophospira producta Ulrich & Scofield, 1897 † - (LOPHOSPIRIDAE) (FOSSIL)
- producta, Lymnaea producta J.W. Mighels, 1845 - (LYMNAEIDAE)
- producta, Spisula producta G.F. Angas, 1868 - syn of: Spisula trigonella (J.B.P.A. Lamarck, 1818) - (MACTRIDAE)
- producta, Melanopsis chehirensis producta P.M. Pallary, 1939 - (MELANOPSIDAE)
- producta, Ocenebra producta (L.M.D. Bellardi, 1882 †) - (MURICIDAE) (FOSSIL)
- producta, Aspella producta (W.H. Pease, 1861) - (MURICIDAE)
- producta, Mya producta T.A. Conrad, 1838 † - (MYIDAE) (FOSSIL)
- producta, Nassa producta G.B. III Sowerby, 1897 † - syn of: Reticunassa neoproducta (H.H. Kool & H. Dekker, 2007 †) - (NASSARIIDAE) (FOSSIL)
- producta, Cerithiella producta W.H. Dall, 1927 - (NEWTONIELLIDAE)
- producta, Pseudoleacina producta (A.E. Reuss in A.E. Reuss & Meyer, 1849 †) - (OLEACINIDAE) (FOSSIL)
- producta, Partula producta W.H. Pease, 1864 - (PARTULIDAE)
- producta, Thovana producta T.A. Conrad, 1863 † - (PHOLADIDAE) (FOSSIL)
- producta, Volutomorpha producta N.F. Sohl, 1964 † - (PHOLIDOTOMIDAE) (FOSSIL)
- producta, Tomichia producta M. Connolly, 1929 - (POMATIOPSIDAE)
- producta, Pteria producta L.A. Reeve, 1857 - syn of: Pteria avicula H.S. Holten, 1802 - (PTERIIDAE)
- producta, Eulimella producta A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- producta, Syrnola producta (C.B. Adams, 1840) - (PYRAMIDELLIDAE)
- producta, Odostomia producta A. Adams, 1860 - (PYRAMIDELLIDAE)
- producta, Quirella producta Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- producta, Sayella producta C.B. Adams, 1840 - syn of: Syrnola producta (C.B. Adams, 1840) - (PYRAMIDELLIDAE)
- producta, Odostomia producta C.B. Adams, 1840 - syn of: Syrnola producta (C.B. Adams, 1840) - (PYRAMIDELLIDAE)
- producta, Chemnitzia producta C.B. Adams, 1840 - syn of: Syrnola producta (C.B. Adams, 1840) - (PYRAMIDELLIDAE)
- producta, Ranella producta W.H. Pease, 1861 - syn of: Aspella producta (W.H. Pease, 1861) - (RANELLIDAE)
- producta, Kermia producta (W.H. Pease, 1860) - (RAPHITOMIDAE)
- producta, Philbertia producta W.H. Pease, 1860 - syn of: Kermia producta (W.H. Pease, 1860) - (RAPHITOMIDAE)
- producta, Scrobicularia producta P.P. Carpenter, 1856 - syn of: Psammotreta dombei (S.C.T. Hanley, 1844) - (SCROBICULARIIDAE)
- producta, Ervilia producta N.H. Odhner, 1922 - (SEMELIDAE)
- producta, Glandina producta A.E. Reuss in A.E. Reuss & Meyer, 1849 † - syn of: Pseudoleacina producta (A.E. Reuss in A.E. Reuss & Meyer, 1849 †) - (SPIRAXIDAE) (FOSSIL)
- producta, Gonospira producta (C.B. Adams, 1868) - (STREPTAXIDAE)
- producta, Strigilla producta G.W. Tryon, 1870 - (TELLINIDAE)
- producta, Angulus producta (T.A. Conrad, 1840 †) - (TELLINIDAE) (FOSSIL)
- producta, Tellina producta T.A. Conrad, 1840 † - syn of: Angulus producta (T.A. Conrad, 1840 †) - (TELLINIDAE) (FOSSIL)
- producta, Dolichupis producta (J.S. Gaskoin, 1836) - (TRIVIIDAE)
- producta, Trivia producta J.S. Gaskoin, 1836 - syn of: Dolichupis producta (J.S. Gaskoin, 1836) - (TRIVIIDAE)
- producta, Syrinx producta P.F. Röding, 1798 - syn of: Fusinus longissimus (J.F. Gmelin, 1791) - (TURBINELLIDAE)
- producta, Turritella producta Martin, 1922 † - (TURRITELLIDAE) (FOSSIL)
- producta, Elliptio producta T.A. Conrad, 1836 - (UNIONIDAE)
- producta, Urocoptis producta (J. Gundlach) - (UROCOPTIDAE)
- producta, Zeradina producta (N.H. Odhner, 1924) - (VANIKORIDAE)
- producta, Marsenia producta W.E. Leach, 1852 - syn of: Lamellaria perspicua (C. Linnaeus, 1758) - (VELUTINIDAE)
- producta, Cyclinella producta (P.P. Carpenter, 1856) - (VENERIDAE)
- producta, Cryptonemella producta (J.T. Kuroda & T. Habe, 1951) - (VENERIDAE)
- producta, Vertigo producta C.A. Westerlund, 1878 - syn of: Vertigo angustior J.G. Jeffreys, 1830 - (VERTIGINIDAE)
- producta pagodai, Lophospira producta pagodai Endo, 1932 † - syn of: Donaldiella cicelia (Billings, 1865 †) - (LOPHOSPIRIDAE) (FOSSIL)
- producta unicarinata, Brasovia producta unicarinata (E. Jekelius, 1944 †) - (HYDROBIIDAE) (FOSSIL)
- productalata, Pterohalobia productalata H. Guo, 1985 † - (POSIDONIIDAE) (FOSSIL)
- Productea, Genus Productea Tasch, 1969 (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- producti, Platyceras producti Frech, 1911 † - (PLATYCERATIDAE) (FOSSIL)
- productilis, Alvania productilis Boettger, 1906 † - (RISSOIDAE) (FOSSIL)
- productior, Unio productior I. Lea, 1852 - syn of: Elongaria orientalis (Lea, 1840) - (UNIONIDAE)
- productum, Granocardium productum (J. de C. Sowerby, 1832 †) - (CARDIIDAE) (FOSSIL)
- productum, Maoricardium productum G.P. Deshayes, 1855 - syn of: Maoricardium setosum (J.H. Redfield, 1846) - (CARDIIDAE)
- productum, Cardiola productum Barrande, 1881 † - syn of: Undicornu productum (Barrande, 1881 †) - (CARDIOLIDAE) (FOSSIL)
- productum, Chaetoderma productum A. Wirén, 1892 - (CHAETODERMATIDAE)
- productum, Salaputium productum (J.C. Verco, 1895) - (CRASSATELLIDAE)
- productum, Macroschisma productum A. Adams, 1851 - (FISSURELLIDAE)
- productum, Triton productum A.A. Gould, 1852 - syn of: Gutturnium muricinum (P.F. Röding, 1798) - (RANELLIDAE)
- productum, Undicornu productum (Barrande, 1881 †) - (TRYBLIDIIDAE) (FOSSIL)
- productum, Microstagon productum (A.E.M. Cossmann, 1887 †) - (UNGULINIDAE) (FOSSIL)
- productum, Cymbium productum R.T. Lowe, 1861 - syn of: Cymbium olla (C. Linnaeus, 1758) - (VOLUTIDAE)
- productum intermedium, Chaetoderma productum intermedium N.M. Knipowitsch, 1896 - syn of: Chaetoderma intermedium N.M. Knipowitsch, 1896 - (CHAETODERMATIDAE)
- productus, Tornatellides productus (C.M.F. Ancey, 1903) - (ACHATINELLIDAE)
- productus, Colus productus O.A.L. Mörch, 1876 - (BUCCINIDAE)
- productus, Bostryx productus R.A. Philippi, 1867 - (BULIMULIDAE)
- productus, Dentilatona lubricus productus (N.H. Odhner, 1919 †) - (DONACIDAE) (FOSSIL)
- productus, Eubranchus productus (G.P. Farran, 1905) - (EUBRANCHIDAE)
- productus, Hypermastus productus (G.B. III Sowerby, 1894) - (EULIMIDAE)
- productus, Pyrgulopsis productus C.M.F. Ancey, 1888 - syn of: Pyrgophorus coronatus (L. Pfeiffer, 1840) - (HYDROBIIDAE)
- productus, Gonimyrtea productus Berezovsky, 2010 † - (LUCINIDAE) (FOSSIL)
- productus, Trigonodus productus (J.J.F. Whiteaves, 1889 †) - (PACHYCARDIIDAE) (FOSSIL)
- productus, Unio productus A. Mousson, 1849 - syn of: Elongaria orientalis (Lea, 1840) - (UNIONIDAE)
- productus major, Cymbium productus major P.M. Pallary, 1930 - syn of: Cymbium olla (C. Linnaeus, 1758) - (VOLUTIDAE)
- Produnga, syn of: Genus Eubranchus E. Forbes, 1838 (EUBRANCHIDAE)
- Produvalia, Genus Produvalia Riegraf, 1981 (DUVALIIDAE) (FOSSIL)
- proebenina, Clavatula proebenina J. Gardner, 1937 † - (CLAVATULIDAE) (FOSSIL)
- Proeccyliopterus, Genus Proeccyliopterus Kobayashi, 1939 (PELAGIELLIDAE) (FOSSIL)
- proechia, Ferussacia proechia J.R. Bourguignat, 1864 - syn of: Ferussacia folliculus (J.S. Schröter, 1784) - (FERUSSACIIDAE)
- proechistus, Unio pictorum proechistus J.R. Bourguignat, 1870 - (UNIONIDAE)
- Proendoceras, Genus Proendoceras Flower 1955 (PROTEROCAMEROCERATIDAE) (FOSSIL)
- proerrata, Crosseola proerrata Finlay, 1930 † - (CROSSEOLIDAE) (FOSSIL)
- proesignis, Turris proesignis (E.A. Smith, 1895) - (TURRIDAE)
- proestleri, Architectonica proestleri A. Alf & K. Kreipl, 2001 - (ARCHITECTONICIDAE)
- proeteus, Entolium proeteus (A.V.M.D. D'Orbigny, 1847 †) - (ENTOLIIDAE) (FOSSIL)
- proeteus, Pecten proeteus D'Orbigny, 1847 † - (PECTINIDAE) (FOSSIL)
- Proeucalycoceras, Subgenus Calycoceras (Proeucalycoceras) Collignon, 1937 (ACANTHOCERATIDAE) (FOSSIL)
- proeva, Praenatica proeva J. Perner, 1903 † - (PLATYCERATIDAE) (FOSSIL)
- proexcessiva, Argna proexcessiva F. Sacco, 1889 † - (ARGNIDAE) (FOSSIL)
- profetai, Fusinus profetai I. Nofroni, 1982 - (FASCIOLARIIDAE)
- proficua, Semele proficua (R. Pulteney, 1799) - (SEMELIDAE)
- proficua, Tellina proficua R. Pulteney, 1799 - syn of: Semele proficua (R. Pulteney, 1799) - (TELLINIDAE)
- proficua radiata, Semele proficua radiata Humfreys, 1975 - syn of: Semele radiata (T. Say, 1826) - (SEMELIDAE)
- Proficus, syn of: Subgenus Ficus (Priscoficus) Conrad, 1866 (FICIDAE) (FOSSIL)
- Profischeria, Genus Profischeria W.H. Dall, 1903 (DONACIDAE)
- Profissurellidea, syn of: Genus Cosmetalepas T. Iredale, 1924 (FISSURELLIDAE)
- Profragum, Genus Profragum (CARDIIDA (UNASSIGNED)) (FOSSIL)
- profuga, Danilia profuga A. De Gregorio, 1889 - syn of: Danilia tinei (P. Calcara, 1839) - (CHILODONTIDAE)
- profuga, Granopupa profuga C.A. Westerlund, 1898 - syn of: Granopupa granum (J.P.R. Draparnaud, 1801) - (CHONDRINIDAE)
- profuga, Albinaria profuga (J.G.F. de Charpentier, 1852) - (CLAUSILIIDAE)
- Profuga, syn of: Subgenus Albinaria (Graeca) O. Bφttger, 1877 (CLAUSILIIDAE)
- profuga, Cernuella profuga E.A. Rossmässler, 1854 - syn of: Cernuella cisalpina (E.A. Rossmässler, 1837) - (HYGROMIIDAE)
- profuga, Candidula unifasciata profuga (A. Schmidt, 1854) - (HYGROMIIDAE)
- profuga, Alathyria profuga (A.A. Gould, 1850) - (HYRIIDAE)
- profugella, Albinaria litoraria profugella H. Nordsieck, 2007 - (CLAUSILIIDAE)
- profugus, Kalidos profugus (C.M.F. Ancey, 1902) - (ARIOPHANTIDAE)
- profugus, Trochus profugus A. De Gregorio, 1889 - syn of: Danilia tinei (P. Calcara, 1839) - (TROCHIDAE)
- profugus, Unio profugus A.A. Gould, 1850 - syn of: Alathyria profuga (A.A. Gould, 1850) - (UNIONIDAE)
- Profulvia, Genus Profulvia Kafanov, 1976 (CARDIIDA (UNASSIGNED)) (FOSSIL)
- profunda, Acmaea profunda G.P. Deshayes, 1863 - syn of: Patelloida profunda (G.P. Deshayes, 1863) - (ACMAEIDAE)
- profunda, Godlewskia wrzesniowskii profunda (W.A. Lindholm, 1924) - (AMNICOLIDAE)
- profunda, Sita profunda (G.P. Deshayes, 1858 †) - (ASTARTIDAE) (FOSSIL)
- profunda, Maoricrypta profunda (F.W. Hutton, 1873 †) - (CALYPTRAEIDAE) (FOSSIL)
- profunda, Crepidula profunda A.G. Beu & P.A. Maxwell - syn of: Maoricrypta youngi Powell, 1940 - (CALYPTRAEIDAE)
- profunda, Babylonella nassiformis profunda C. Tabanelli, 1985 † - (CANCELLARIIDAE) (FOSSIL)
- profunda, Venericardia profunda G.P. Deshayes, 1858 † - (CARDITIDAE) (FOSSIL)
- profunda, Strophiops profunda C.J. Maynard & W.F. Clapp, 1921 - (CERIONIDAE)
- profunda, Littoridina profunda (H. Hass, 1955) - (COCHLIOPIDAE)
- profunda, Anachis profunda J. Pelorce, 2017 - (COLUMBELLIDAE)
- profunda, Marmolatella profunda E.A.L. Kittl, 1899 † - (DELPHINULOPSIDAE) (FOSSIL)
- profunda, Leptadrillia profunda P.J. Fallon, 2016 - (DRILLIIDAE)
- profunda, Eoacmaea profunda (G.P. Deshayes, 1863) - (EOACMAEIDAE)
- profunda, Pelseneeria profunda F. Koehler & C. Vaney, 1908 - (EULIMIDAE)
- profunda, Hemitoma profunda G.P. Deshayes, 1863 - syn of: Eoacmaea profunda (G.P. Deshayes, 1863) - (FISSURELLIDAE)
- profunda, Glycymeris profunda W.H. Dall, 1878 - syn of: Glycymeris septentrionalis (A.T. von Middendorff, 1849) - (GLYCYMERIDIDAE)
- profunda, Bornia profunda R.K. Dell, 1952 - (KELLIIDAE)
- profunda, Borniola profunda (R.K. Dell, 1952) - (LASAEIDAE)
- profunda, Lima quantoensis profunda H. Masahito, J.T. Kuroda & T. Habe, 1971 - (LIMIDAE)
- profunda, Patelloida profunda (G.P. Deshayes, 1863) - (LOTTIIDAE)
- profunda, Gonimyrtea profunda Glover & J.D. Taylor, 2016 - (LUCINIDAE)
- profunda, Maclurites profunda Butts, 1926 † - (MACLURITIDAE) (FOSSIL)
- profunda, Propebela profunda Z.J.A. De Castellanos & N. Landoni, 1993 - (MANGELIIDAE)
- profunda, Ovaginella profunda (H.H. Suter, 1909) - (MARGINELLIDAE)
- profunda, Murexsul profunda (B.A. Marshall & K.W. Burch, 2000) - (MURICIDAE)
- profunda, Cellana profunda G.P. Deshayes, 1863 - syn of: Patelloida profunda (G.P. Deshayes, 1863) - (NACELLIDAE)
- profunda, Neilonella profunda T.A. Okutani & Y. Fujiwara, 2005 - (NEILONELLIDAE)
- profunda, Bathypurpurata profunda M. Vecchione, L. Allcock & U. Piatkowski, 2005 - (OCTOPODIDAE)
- profunda, Patella profunda G.P. Deshayes, 1863 - syn of: Eoacmaea profunda (G.P. Deshayes, 1863) - (PATELLIDAE)
- profunda, Homomya profunda White, 1887 † - (PHOLADOMYIDAE) (FOSSIL)
- profunda, Allogona profunda (T. Say, 1821) - (POLYGYRIDAE)
- profunda, Psilomya profunda (White 1887) † - (POROMYIDAE) (FOSSIL)
- profunda, Dorymenia profunda L. Salvini-Plawén, 1978 - (PRONEOMENIIDAE)
- profunda, Eulimella profunda A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- profunda, Skenea profunda (H.B.S. Friele, 1879) - (SKENEIDAE)
- profunda, Diplodonta profunda G.P. Deshayes, 1857 † - (UNGULINIDAE) (FOSSIL)
- profunda, Psorula profunda (C.T. Simpson, 1914) - (UNIONIDAE)
- profunda, Stellaria testigera profunda W.F. Ponder, 1983 - (XENOPHORIDAE)
- profunda, Xylophaga profunda H. Turner, 2002 - (XYLOPHAGAIDAE)
- profunda albonotata, Patelloida profunda albonotata (E.A. Smith, 1910) - (LOTTIIDAE)
- profunda calamus, Patelloida profunda calamus J.C.H. Crosse & P.H. Fischer, 1864 - syn of: Eoacmaea calamus (J.C.H. Crosse & P.H. Fischer, 1864) - (LOTTIIDAE)
- profunda ivani, Patelloida profunda ivani J.M.J. Christiaens, 1975 - syn of: Eoacmaea ivani (J.M.J. Christiaens, 1975) - (LOTTIIDAE)
- profunda mauritiana, Patelloida profunda mauritiana (H.A. Pilsbry, 1891) - (LOTTIIDAE)
- profunda mauritiana, Cellana profunda mauritiana H.A. Pilsbry, 1891 - syn of: Patelloida profunda mauritiana (H.A. Pilsbry, 1891) - (NACELLIDAE)
- profundella, Albinaria argynnis profundella E. Gittenberger, 1994 - (CLAUSILIIDAE)
- profundi, Astyris profundi (W.H. Dall, 1889) - (COLUMBELLIDAE)
- profundi, Profundisepta profundi (J.G. Jeffreys, 1877) - (FISSURELLIDAE)
- profundi, Kelliella profundi Z.A. Filatova, 1971 - syn of: Vesicomya profundi (Z.A. Filatova, 1971) - (KELLIELLIDAE)
- profundi, Vesicomya profundi (Z.A. Filatova, 1971) - (VESICOMYIDAE)
- Profundialvania, syn of: Genus Alvania A. Risso, 1826 (RISSOIDAE)
- profundicola, Bathyarca profundicola A.E. Verrill & E.A. Smith, 1885 - syn of: Bentharca asperula (W.H. Dall, 1881) - (ARCIDAE)
- profundicola, Colus profundicola A.E. Verrill & S. Smith, 1884 - syn of: Mohnia abyssorum (P. Fischer, 1884) - (BUCCINIDAE)
- profundicola, Neadmete profundicola T.A. Okutani, 1964 - (CANCELLARIIDAE)
- profundicola, Didacna profundicola B.M. Logvinenko & Y.I. Starobogatov, 1966 - (CARDIIDAE)
- profundicola, Zoila friendii profundicola unknown - (CYPRAEIDAE)
- profundicola, Limopsis profundicola A.E. Verrill & K.J. Bush, 1898 - syn of: Limopsis tenella J.G. Jeffreys, 1876 - (LIMOPSIDAE)
- profundicola, Propebela profundicola P. Bartsch, 1944 - (MANGELIIDAE)
- profundicola, Coralliophila profundicola F. Haas, 1949 - syn of: Coralliophila richardi (P. Fischer, 1882) - (MURICIDAE)
- profundicola, Benthoctopus profundicola A.L. Massy, 1907 - syn of: Bathypolypus ergasticus (P. Fischer & H. Fischer, 1892) - (OCTOPODIDAE)
- profundicola, Polypus profundicola A.L. Massy, 1907 - syn of: Bathypolypus ergasticus (P. Fischer & H. Fischer, 1892) - (OCTOPODIDAE)
- profundicola, Hyalopecten profundicola (T.A. Okutani, 1962) - (PECTINIDAE)
- profundicola, Antiplanes profundicola P. Bartsch, 1944 - (PSEUDOMELATOMIDAE)
- profundicola, Odostomia profundicola W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- profundicola, Alvania profundicola P. Bartsch, 1911 - (RISSOIDAE)
- profundicola, Cincinna profundicola (J. Beckmann & Y.I. Starobogatov, 1975) - (VALVATIDAE)
- profundicola dispar, Colus profundicola dispar A.E. Verrill & S. Smith, 1884 - syn of: Mohnia abyssorum (P. Fischer, 1884) - (BUCCINIDAE)
- profundicolum, Caecum profundicolum P. Bartsch, 1920 - (CAECIDAE)
- Profundiconus, Genus Profundiconus J.T. Kuroda, 1956 (CONIDAE)
- profundidens, Spixia tumulorum profundidens (A. Doering, 1875) - (ODONTOSTOMIDAE)
- profundimontana, Elfdaliana profundimontana A.V. Martynov & T.A. Korshunova, 2015 - (POLYCERIDAE)
- Profundinassa, syn of: Genus Nassarius Dumιril, 1805 (NASSARIIDAE)
- Profundinassa, syn of: Genus Nassarius Dumιril, 1805 (NASSARIIDAE)
- profundior, Vercomaris profundior B.C. Cotton & F.C. Godfrey, 1932 - syn of: Zeadmete pergradata (J.C. Verco, 1904) - (CANCELLARIIDAE)
- profundior, Oamaruia profundior B.C. Cotton & F.C. Godfrey, 1932 - syn of: Zeadmete pergradata (J.C. Verco, 1904) - (CANCELLARIIDAE)
- profundior, Vaceuchelus profundior (W.L. May, 1915) - (CHILODONTIDAE)
- profundior, Euchelus profundior W.L. May, 1915 - syn of: Vaceuchelus profundior (W.L. May, 1915) - (CHILODONTIDAE)
- profundior, Plastiscala morchi profundior T. Iredale, 1936 - (EPITONIIDAE)
- profundior, Fusinus profundior B.C. Cotton & F.C. Godfrey, 1932 - syn of: Fusinus undulatus (J.F. Gmelin, 1791) - (FASCIOLARIIDAE)
- profundior, Iravadia profundior W.F. Ponder, 1984 - (IRAVADIIDAE)
- profundior, Loricella profundior (R.K. Dell, 1956) - (LORICIDAE)
- profundior, Mya profundior J. Grant & H.R. Gale, 1931 - (MYIDAE)
- profundior, Haurakia profundior (C. Hedley, 1907) - (RISSOIDAE)
- profundior, Porosalvania profundior S. Gofas, 2007 - (RISSOIDAE)
- profundior, Obesula profundior B.A. Marshall, 1983 - (TRIPHORIDAE)
- profundiperforata, Odostomia profundiperforata S. Nomura, 1937 - (PYRAMIDELLIDAE)
- profundis, Bathytoma profundis (C.F. Laseron, 1954) - (BORSONIIDAE)
- profundis, Micantapex profundis C.F. Laseron, 1954 - syn of: Bathytoma profundis (C.F. Laseron, 1954) - (BORSONIIDAE)
- profundis, Micropolia profundis C.F. Laseron, 1953 - (NEOLEPTONIDAE)
- profundis, Austropusilla profundis C.F. Laseron, 1954 - (RAPHITOMIDAE)
- Profundisepta, Genus Profundisepta J.H. McLean & D.L. Geiger, 1998 (FISSURELLIDAE)
- profundisiphites, Cenoceras profundisiphites Prinz, 1906 † - (CENOCERATIDAE) (FOSSIL)
- profundispira, Hirasea profundispira H.A. Pilsbry & Y. Hirase, 1902 - (ENDODONTIDAE)
- profundissima, Ligula profundissima E. Forbes, 1844 - syn of: Abra longicallus (A. Scacchi, 1835) - (SEMELIDAE)
- profundorum, Turricula profundorum (E.A. Smith, 1896) - (CLAVATULIDAE)
- profundorum, Cumia reticulata profundorum R. Ardovini, 2014 - (COLUBRARIIDAE)
- profundorum, Profundiconus profundorum Kuroda, 1956 - (CONIDAE)
- profundorum, Cypraeovula capensis profundorum A. Seccombe, 2003 - (CYPRAEIDAE)
- profundorum, Fissidentalium profundorum (E.A. Smith, 1894) - (DENTALIIDAE)
- profundorum, Muusoctopus profundorum (G.C. Robson, 1932) - (ENTEROCTOPODIDAE)
- profundorum, Neolepton profundorum J.A. Allen, 2000 - (NEOLEPTONIDAE)
- profundorum, Nuculana profundorum E.A. Smith, 1885 - syn of: Nucula profundorum Smith, 1885 - (NUCULANIDAE)
- profundorum, Nucula profundorum Smith, 1885 - (NUCULIDAE)
- profundorum, Oreohelix yavapai profundorum H.A. Pilsbry & J.H. Ferriss, 1911 - (OREOHELICIDAE)
- profundorum, Abra profundorum (E.A. Smith, 1885) - (SEMELIDAE)
- profundorum, Fusivoluta profundorum P. Bail & N. Puillandre, 2012 - (VOLUTIDAE)
- profundorum, Yoldiella profundorum (J.C. Melvill & R. Standen, 1912) - (YOLDIIDAE)
- profundorum, Yoldia profundorum J.C. Melvill & R. Standen, 1912 - syn of: Yoldiella profundorum (J.C. Melvill & R. Standen, 1912) - (YOLDIIDAE)
- profundorum japonicum, Abra profundorum japonicum T.A. Okutani, 1975 - syn of: Abra profundorum (E.A. Smith, 1885) - (SEMELIDAE)
- profundum, Acrosterigma profundum E. Vidal, 1999 - (CARDIIDAE)
- profundum, Homalopoma profundum Y.F. Huang, C.C. Fu & G.T. Poppe, 2016 - (COLLONIIDAE)
- profundum, Epitonium profundum T. Nakayama, 2000 - (EPITONIIDAE)
- profundus, Acteon profundus Á. Valdés, 2008 - (ACTEONIDAE)
- profundus, Guexiceras profundus Taylor, 1998 † - (ARIETITIDAE) (FOSSIL)
- profundus, Tremanotus profundus (J.W. Hall, 1859 †) - (BUCANIIDAE) (FOSSIL)
- profundus, Falcidens profundus L. Salvini-Plawén, 1968 - (CHAETODERMATIDAE)
- profundus, Leptochiton liratus profundus W.L. May, 1923 - (LEPTOCHITONIDAE)
- profundus, Limifossor profundus L. Salvini-Plawén, 1986 - (LIMIFOSSORIDAE)
- profundus, Pseudophorus profundus Lindström, 1884 † - (PSEUDOPHORIDAE) (FOSSIL)
- profusa, Pillucina profusa Glover & J.D. Taylor, 2016 - (LUCINIDAE)
- Profusinus, Genus Profusinus Bandel, 2000 (FASCIOLARIIDAE) (FOSSIL)
- Progabbia, syn of: Genus Cancellaria J.B.P.A. Lamarck, 1799 (CANCELLARIIDAE)
- Progadilina, Genus Progadilina Palmer, 1942 (DENTALIIDAE) (FOSSIL)
- Progaimardia, syn of: Genus Gaimardia A. Gould, 1852 (GAIMARDIIDAE)
- Progalbanites, Genus Progalbanites Spath, 1936 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- PROGALERINAE - syn of Family: CLISOSPIRIDAE (FOSSIL)
- Progalerus, Genus Progalerus Holzapfel, 1895 (CLISOSPIRIDAE) (FOSSIL)
- Progaleurus, syn of: Genus Progalerus Holzapfel, 1895 (CLISOSPIRIDAE) (FOSSIL)
- Progarnieria, Genus Progarnieria H. Nordsieck 2012 (CLAUSILIIDAE)
- progastera, Corbicula progastera P.M. Pallary, 1909 - syn of: Corbicula fluminalis (O.F. Müller, 1774) - (CYRENIDAE)
- progastor, Simpulopsis progastor (A.V.M.D. D'Orbigny, 1835) - (SIMPULOPSIDAE)
- progenetrix, Astartella progenetrix (L. Waagen, 1881 †) - (ASTARTIDAE) (FOSSIL)
- progenetrix, Lucina progenetrix L. Waagen, 1881 † - syn of: Astartella progenetrix (L. Waagen, 1881 †) - (LUCINIDAE) (FOSSIL)
- progenitor, Ammonites progenitor Oppel, 1868 † - syn of: Praedalmasiceras progenitor (Oppel, 1868 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- progenitor, Praedalmasiceras progenitor (Oppel, 1868 †) - (HIMALAYITIDAE) (FOSSIL)
- Progeronia, Genus Progeronia Arkell, 1953 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- prognata, Cerion prognata (C.J. Maynard & W.F. Clapp, 1920) - (CERIONIDAE)
- prognata, Puyseguria prognata (A.W.B. Powell, 1927 †) - (NEOLEPTONIDAE) (FOSSIL)
- prognata, Puysegeria prognata A.W.B. Powell, 1927 † - syn of: Puyseguria prognata (A.W.B. Powell, 1927 †) - (NEOLEPTONIDAE) (FOSSIL)
- prognata, Brookula prognata H.J. Finlay, 1926 - (SEGUENZIOIDEA (UNASSIGNED))
- prognata, Xenophora prognata (Finlay, 1926 †) - (XENOPHORIDAE) (FOSSIL)
- prognathum, Pisidium prognathum V. Sterki, 1922 - syn of: Pisidium nitidum L. Jenyns, 1832 - (SPHAERIIDAE)
- prognaviter, Aeneator prognaviter K. Fraussen & J. Sellanes, 2008 - (BUCCINIDAE)
- progne, Liospira progne (Billings, 1860 †) - (EOTOMARIIDAE) (FOSSIL)
- progne, Trophon progne White, 1887 † - (MURICIDAE) (FOSSIL)
- progoensis, Cerithium progoensis (Martin, 1916 †) - (CERITHIIDAE) (FOSSIL)
- progoensis, Amygdalum progoensis Martin, 1916 † - (MYTILIDAE) (FOSSIL)
- progoensis, Cerithidea progoensis Martin, 1916 † - syn of: Cerithium progoensis (Martin, 1916 †) - (POTAMIDIDAE) (FOSSIL)
- Progoniatites, Genus Progoniatites Korn & al., 2003 (GONIATITIDAE) (FOSSIL)
- progonica, Anadara dariensis progonica W.P. Woodring, 1973 - (ARCIDAE)
- Progoniocamax, syn of: Genus Goniocamax Naidin, 1963 (BELEMNITELLIDAE) (FOSSIL)
- Progonioclymenia, Genus Progonioclymenia Schindewolf , 1937 (PLATYCLYMENIIDAE) (FOSSIL)
- Progonoceratites, Genus Progonoceratites Schrammen , 1928 (CERATITIDAE) (FOSSIL)
- progonos, Dampietrigonia progonos (Paulcke 1903) † - (MEGATRIGONIIDAE) (FOSSIL)
- progracilis, Procerites progracilis (Cox & Arkell 1950 †) - (PERISPHINCTIDAE) (FOSSIL)
- progracilis arkelli, Procerites progracilis arkelli M. Collignon, 1958 † - syn of: Gracilisphinctes arkelli (M. Collignon, 1958 †) - (PERISPHINCTIDAE) (FOSSIL)
- Prographularia, Genus Prographularia Fischer, 1947 (AULACOCERATIDAE) (FOSSIL)
- progravida, Persicula progravida J. Gardner, 1937 † - (CYSTISCIDAE) (FOSSIL)
- Prograyiceras, Genus Prograyiceras Spath, 1928 (MAYAITIDAE) (FOSSIL)
- progressa, Strophiops progressa C.J. Maynard & W.F. Clapp, 1920 - (CERIONIDAE)
- progressa, Cratis progressa C. Hedley, 1915 - (PHILOBRYIDAE)
- progressa, Cyclotellina progressa (Watelet) † - (TELLINIDAE) (FOSSIL)
- progressa, Iniforis progressa (C.F. Laseron, 1958) - (TRIPHORIDAE)
- progressum, Ellesmeroceras progressum Flower, 1964 † - syn of: Annoceras costatum Flower, 1964 † - (ELLESMEROCERATIDAE) (FOSSIL)
- progressum, Orthoceras progressum Ruedemann, 1906 † - (ORTHOCERATIDAE) (FOSSIL)
- progressum, Stenopharciceras progressum Bockwinkel, Becker & Ebbighausen, 2013 † - (PHARCICERATIDAE) (FOSSIL)
- progressus, Perrinites progressus Leonova, 1983 † - syn of: Perrinites tardus Miller & Furnish, 1940 † - (PERRINITIDAE) (FOSSIL)
- progressus, Verneuilites progressus Ruzhencev & Bogoslovskaya, 1978 † - (RETICULOCERATIDAE) (FOSSIL)
- progue, Liospira progue Billings, 1860 † - syn of: Liospira progne (Billings, 1860 †) - (EOTOMARIIDAE) (FOSSIL)
- Prohappia, Subgenus Happia (Prohappia) K.H.J. Thiele, 1927 (SCOLODONTIDAE)
- proharpa, Myophoria proharpa Frech, 1904 † - (MYOPHORIIDAE) (FOSSIL)
- Proharpoceras, Genus Proharpoceras Chao , 1950 (ANDERSSONOCERATIDAE) (FOSSIL)
- Prohauericeras, Genus Prohauericeras Nowak, 1913 (ACANTHOCERATIDAE) (FOSSIL)
- Prohecticoceras, Genus Prohecticoceras Spath, 1928 (OPPELIIDAE) (FOSSIL)
- Prohelicoceras, Genus Prohelicoceras Spath, 1925 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Prohelicotoma, syn of: Genus Macluritella Kirk, 1927 (MACLURITIDAE) (FOSSIL)
- prohexagonum, Paracenoceras prohexagonum Spath, 1935 † - (PARACENOCERATIDAE) (FOSSIL)
- Prohinnites, Genus Prohinnites Gillet , 1922 (PECTINIDAE) (FOSSIL)
- Prohungarites, Genus Prohungarites Spath , 1934 (SIBIRITIDAE) (FOSSIL)
- Prohyriopsis, Genus Prohyriopsis F. Haas, 1914 (UNIONIDAE)
- Prohysteroceras, Genus Prohysteroceras Spath , 1921 (BRANCOCERATIDAE) (FOSSIL)
- proiectura, Chrysallida proiectura Laseron, 1959 - (PYRAMIDELLIDAE)
- proimpervia, Argalista proimpervia C.R. Laws, 1935 † - (COLLONIIDAE) (FOSSIL)
- proincondita, Ardescia proincondita (C.F. Fontannes, 1876 †) - (ATAXIOCERATIDAE) (FOSSIL)
- proinum, Pachycrommium proinum W.P. Woodring 1957 † - (AMPULLINIDAE) (FOSSIL)
- projecta, Bransonia projecta C.O. Waterhouse, 1987 † - (BRANSONIIDAE) (FOSSIL)
- projecta, Astyris projecta W.H. Dall, 1927 - (COLUMBELLIDAE)
- projecta, Condylocuna projecta (C. Hedley, 1902) - (CONDYLOCARDIIDAE)
- projecta, Muracypraea projecta (Schilder, 1947 †) - (CYPRAEIDAE) (FOSSIL)
- projecta, Lucina projecta R. Tate, 1886 † - (LUCINIDAE) (FOSSIL)
- projecta, Braunsina projecta Buckman † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- projecta, Adipicola projecta (J.C. Verco, 1908) - (MYTILIDAE)
- projecta, Nuculana projecta R. Tate, 1886 † - (NUCULANIDAE) (FOSSIL)
- projectans, Lithodomus projectans R. Tate, 1892 - syn of: Botula cinnamomeus (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- projecticia, Corinnaeturris projecticia É.A.A. Locard, 1897 - syn of: Corinnaeturris leucomata (W.H. Dall, 1881) - (CLATHURELLIDAE)
- projecticium, Pleurotoma projecticium É.A.A. Locard, 1897 - syn of: Corinnaeturris leucomata (W.H. Dall, 1881) - (TURRIDAE)
- projectifer, Sonninia projectifer S.S. Buckman, 1910 † - (SONNINIIDAE) (FOSSIL)
- projectilabrum, Fusceulima projectilabrum P. Bouchet & A. Warén, 1986 - (EULIMIDAE)
- projectum, Gomphoceras projectum Newell, 1888 † - syn of: Phragmoceras projectum (Newell, 1888 †) - (DIESTOCERATIDAE) (FOSSIL)
- projectum, Phragmoceras projectum (Newell, 1888 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- projectura, Chrysallida projectura (C.F. Laseron, 1959) - (PYRAMIDELLIDAE)
- projectus, Prosoptychus projectus J. Perner, 1903 † - (BELLEROPHONTIDAE) (FOSSIL)
- projectus, Cautor projectus (C.F. Laseron, 1958) - (TRIPHORIDAE)
- Projenneria, Genus Projenneria Dolin, 1997 (PEDICULARIIDAE) (FOSSIL)
- Projovellania, Genus Projovellania Hyatt in Zittel, 1900 (JOVELLANIIDAE) (FOSSIL)
- Projuvavites, Genus Projuvavites Tozer , 1971 (JUVAVITIDAE) (FOSSIL)
- prokletiana, Montenegrina prokletiana Z. Fehér & M. Szekeres, 2016 - (CLAUSILIIDAE)
- prokletiana kovacsorum, Montenegrina prokletiana kovacsorum Z. Fehér & M. Szekeres, 2016 - (CLAUSILIIDAE)
- prokletijensis, Helix prokletijensis H. Knipper, 1939 - syn of: Cattania apfelbecki bindzaensis (R. Sturany, 1909) - (HELICIDAE)
- Prokopelia, Genus Prokopelia Hornύ , 1992 (GOSSELETINIDAE) (FOSSIL)
- Prokopievskia, Genus Prokopievskia Khalfin, 1950 (PROKOPIEVSKIIDAE) (FOSSIL)
- PROKOPIEVSKIIDAE Vokes, 1967 - Family (BIVALVIA-PTERIOMORPHIA [Subclass]-MYALINIDA [Order]-PROKOPIEVSKIOIDEA [Superfamily]) (FOSSIL)
- Prokopites, Genus Prokopites Frύda, 1999 (EUPHEMITIDAE) (FOSSIL)
- prolabiata, Perissoptera prolabiata (White, 1876 †) - (APORRHAIDAE) (FOSSIL)
- prolactea, Polinices prolactea Anderson, 1929 † - (NATICIDAE) (FOSSIL)
- Prolacuna, syn of: Genus Frovina K.H.J. Thiele, 1912 (ZEROTULIDAE)
- prolaminata, Cochlodina prolaminata (Sacco, 1889) † - (CLAUSILIIDAE) (FOSSIL)
- Prolancealaria, Genus Prolancealaria Vaught, 1989 (UNIONIDAE)
- Prolaria, Genus Prolaria Healey, 1908 (PHOLADOMYOIDEA (UNASSIGNED)) (FOSSIL)
- Prolasmidonta, syn of: Genus Alasmidonta T. Say, 1818 (UNIONIDAE)
- prolata, Bathyspinula prolata (E.A. Smith, 1885) - (BATHYSPINULIDAE)
- prolata, Arceodomus prolata Hoare & Mapes, 1990 † - (CONOCARDIIDAE) (FOSSIL)
- prolata, Ectogrammysia prolata Hoare, 1993 † - (GRAMMYSIIDAE) (FOSSIL)
- prolata, Radix prolata É.A.A. Locard, 1893 - syn of: Radix balthica (C. Linnaeus, 1758) - (LYMNAEIDAE)
- prolata, Cymatonota prolata Kríž, 2008 † - (MODIOMORPHIDAE) (FOSSIL)
- prolata, Leda prolata E.A. Smith, 1885 - syn of: Bathyspinula prolata (E.A. Smith, 1885) - (NUCULANIDAE)
- prolata, Onychoteuthis prolata K.S. Bolstad, M. Vecchione & A.T. Young, 2008 - (ONYCHOTEUTHIDAE)
- prolata, Yoldiella prolata E.A. Smith, 1885 - syn of: Bathyspinula prolata (E.A. Smith, 1885) - (YOLDIIDAE)
- prolatatora, Porcellia prolatatora Schopf & E.G. Linsley, 1994 † - (PORCELLIIDAE) (FOSSIL)
- prolatens, Arca prolatens T. Iredale, 1939 - syn of: Barbatia pistachia (J.B.P.A. Lamarck, 1819) - (ARCIDAE)
- prolatens, Barbatia prolatens T. Iredale, 1939 - syn of: Barbatia pistachia (J.B.P.A. Lamarck, 1819) - (ARCIDAE)
- Prolationus, Genus Prolationus Lyashenko, 1969 (TENTACULITIDAE) (FOSSIL)
- prolatissima, Cuspidaria prolatissima J. Poutiers, 1981 - (CUSPIDARIIDAE)
- prolatum, Landeroceras prolatum (Miller, 1932 †) - (CYRTOGOMPHOCERATIDAE) (FOSSIL)
- prolatum, Diestoceras prolatum Miller, 1932 † - syn of: Landeroceras prolatum (Miller, 1932 †) - (DIESTOCERATIDAE) (FOSSIL)
- prolatum, Orthodesma prolatum Foerste, 1914 † - (MODIOMORPHIDAE) (FOSSIL)
- prolatus, Bulimulus prolatus A.A. Gould, 1846 - (BULIMULIDAE)
- prolatus, Anctus prolatus L.R.L. Simone & R. Casati, 2013 - (ORTHALICIDAE)
- prolatus, Monodosus prolatus Rubio & Rolán, 2016 - (TORNIDAE)
- Prolecanites, Genus Prolecanites Mojsisovics , 1882 (PROLECANITIDAE) (FOSSIL)
- PROLECANITIDA (UNASSIGNED) - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-PROLECANITIDA [Order]) (FOSSIL)
- PROLECANITIDAE Korn & al., 2003 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-PROLECANITIDA [Order]-PROLECANITOIDEA [Superfamily]) (FOSSIL)
- prolenta, Angulus prolenta T.H. Aldrich, 1911 † - (TELLINIDAE) (FOSSIL)
- Proleopoldia, Genus Proleopoldia Spath, 1923 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Prolepis, syn of: Subgenus Arion (Mesarion) P. Hesse, 1926 (ARIONIDAE)
- Proleptochiton, Genus Proleptochiton Sirenko & Starobogatov, 1977 (NEOLORICATA (UNASSIGNED)) (FOSSIL)
- proles, Helminthoglypta proles H. Hemphill, 1892 - (HELMINTHOGLYPTIDAE)
- proles, Mitromorpha proles (C. Hedley, 1922) - (MITROMORPHIDAE)
- proles, Mitrithara proles C. Hedley, 1922 - syn of: Mitromorpha proles (C. Hedley, 1922) - (MITROMORPHIDAE)
- Prolesophanta, Genus Prolesophanta T. Iredale, 1933 (RHYTIDIDAE)
- proletare, Puposyrnola proletare C.F. Laseron, 1951 - (PYRAMIDELLIDAE)
- proletaria, Lunarca proletaria H.A. Pilsbry & Johnson, 1917 † - (ARCIDAE) (FOSSIL)
- proletaria, Mirus proletaria (L. Pfeiffer, 1855) - (ENIDAE)
- proletaria, Dupontia proletaria (P.M.A. Morelet, 1860) - (HELICARIONIDAE)
- proletaria, Divaricella proletaria Pilsbry & Johnson 1917 † - (LUCINIDAE) (FOSSIL)
- Proleymeriella, Genus Proleymeriella Breistroffer, 1947 (LEYMERIELLIDAE) (FOSSIL)
- proliferatus, Chelyconus proliferatus King, 1953 † - (CONIDAE) (FOSSIL)
- prolifica, Ambonychiopsis prolifica (Billings, 1866 †) - (AMBONYCHIIDAE) (FOSSIL)
- prolifica, Pterinea prolifica Billings, 1866 † - (PTERINEIDAE) (FOSSIL)
- proligera, Turbonitella proligera J. Perner, 1903 † - (NERITOPSIDAE) (FOSSIL)
- Prolimax, syn of: Genus Limax C. Linnaeus, 1758 (LIMACIDAE)
- Proliospira, syn of: Genus Ceratopea Ulrich, 1911 (RAPHISTOMATIDAE) (FOSSIL)
- prolis, Pliopholyx prolis Zhu, 1980 † - (PLIOPHOLYGIDAE) (FOSSIL)
- prolixa, Mitrella prolixa K. Monsecour & D. Monsecour, 2016 - (COLUMBELLIDAE)
- prolixa, Austrotoma prolixa C.R. Laws, 1940 † - (CONOIDEA (UNASSIGNED)) (FOSSIL)
- prolixa, Fedaiella prolixa (Stoppani, 1857 †) - (FEDAIELLIDAE) (FOSSIL)
- prolixa, Hypergonia prolixa (White & R.P. Whitfield, 1862 †) - (ORTHONEMIDAE) (FOSSIL)
- prolixa, Pyropsis prolixa N.F. Sohl, 1964 † - (PERISSITYIDAE) (FOSSIL)
- prolixa, Raniganjelia prolixa Silantiev, Chandra & Urazaeva, 2015 † - (PROKOPIEVSKIIDAE) (FOSSIL)
- prolixa, Syrnola prolixa N.F. Sohl 1964 - (PYRAMIDELLIDAE)
- Prolixodens, Genus Prolixodens B.A. Marshall, 1978 (CERITHIOPSIDAE)
- prolixum, Dinocycloceras prolixum W.J. Gordon, 1964 † - (PSEUDORTHOCERATIDAE) (FOSSIL)
- prolixus, Jaminia prolixus N. Pini, 1879 - syn of: Jaminia quadridens elongata (A. Moquin-Tandon, 1856) - (ENIDAE)
- prolixus, Chicoreus prolixus E.H. Vokes, 1974 † - (MURICIDAE) (FOSSIL)
- Prolobella, Genus Prolobella Ulrich, 1894 (MODIOMORPHIDAE) (FOSSIL)
- Prolobites, Genus Prolobites Karpinsky, 1885 (PROLOBITIDAE) (FOSSIL)
- PROLOBITIDAE Wedekind, 1913 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-DIMEROCERATOIDEA [Superfamily]) (FOSSIL)
- prolonga, Nucundata prolonga C.O. Waterhouse, 1964 † - (NUCULANIDAE) (FOSSIL)
- prolongata, Sconsia prolongata E.J. Petuch, 1994 † - (CASSIDAE) (FOSSIL)
- prolongata, Clavus prolongata E.A. Smith, 1890 - syn of: Inodrillia prolongata (E.A. Smith, 1890) - (DRILLIIDAE)
- prolongata, Epitonium prolongata W.H. Turton, 1932 - syn of: Epitonium kraussi (P. Nyst, 1871) - (EPITONIIDAE)
- prolongata, Inodrillia prolongata (E.A. Smith, 1890) - (HORAICLAVIDAE)
- prolongata, Inkinga prolongata W.H. Turton, 1932 - syn of: Inkinga platystoma (E.A. Smith, 1877) - (HORAICLAVIDAE)
- prolongata, Rissopsis prolongata (W.H. Turton, 1932) - (IRAVADIIDAE)
- prolongata, Janthina prolongata H.M.D. de Blainville, 1822 - syn of: Janthina globosa W.J. Swainson, 1822 - (JANTHINIDAE)
- prolongata, Laternula prolongata L.A. Reeve, 1863 - syn of: Laternula attenuata (L.A. Reeve, 1863) - (LATERNULIDAE)
- prolongata, Cavilinga prolongata (Carpenter, 1857) - (LUCINIDAE)
- prolongata, Lucina prolongata P.P. Carpenter, 1857 - syn of: Cavilinga prolongata (Carpenter, 1857) - (LUCINIDAE)
- prolongata, Anatina prolongata L.A. Reeve, 1863 - syn of: Laternula attenuata (L.A. Reeve, 1863) - (MACTRIDAE)
- prolongata, Nassa prolongata W.H. Turton, 1932 - syn of: Nassarius capensis (R.W. Dunker, 1846) - (NASSARIIDAE)
- prolongata, Psammotellina prolongata W.H. Turton, 1932 - syn of: Donax burnupi G.B. III Sowerby, 1894 - (PSAMMOBIIDAE)
- prolongata, Turbonilla prolongata (Carpenter, 1857) - (PYRAMIDELLIDAE)
- prolongata, Anodonta prolongata Zieg - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- prolongata, Limneria prolongata (P.P. Carpenter, 1864) - (VELUTINIDAE)
- prolongata, Velutina prolongata P.P. Carpenter, 1864 - syn of: Limneria prolongata (P.P. Carpenter, 1864) - (VELUTINIDAE)
- prolongatum, Buccinulum prolongatum E.A. Smith - (BUCCINIDAE)
- prolongatum, Miodon prolongatum Carpenter, 1864 - syn of: Miodontiscus prolongatus (Carpenter, 1864) - (CARDITIDAE)
- prolongatus, Miodontiscus prolongatus (Carpenter, 1864) - (CARDITIDAE)
- prolongatus, Pyrgiscus prolongatus (W.H. Turton, 1932) - (PYRAMIDELLIDAE)
- prolongatus, Subulites prolongatus W.J. Raymond, 1905 † - (SUBULITIDAE) (FOSSIL)
- prolongatus, Unio prolongatus H. Drouët, 1894 - syn of: Rectidens lingulatus (H. Drouët & M.A. Chaper, 1892) - (UNIONIDAE)
- Proloy, syn of: Genus Loy A.V. Martynov, 1994 (CORAMBIDAE)
- prolutea, Pleuromeris prolutea J. Marwick, 1929 † - (CARDITIDAE) (FOSSIL)
- Prolyelliceras, Genus Prolyelliceras Spath , 1930 (PROLYELLICERATIDAE) (FOSSIL)
- PROLYELLICERATIDAE Latil & al., 2009 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-ACANTHOCERATOIDEA [Superfamily]) (FOSSIL)
- Prolyncina, syn of: Genus Lyncina F.H. Troschel, 1863 (CYPRAEIDAE)
- promacea, Helix promacea J.R. Bourguignat - syn of: Helix pomatia C. Linnaeus, 1758 - (HELICIDAE)
- PROMACHOTEUTHIDAE Naef, 1912 - Family (CEPHALOPODA-COLEOIDEA [Subclass]-DECAPODIFORMES [Superorder]-OEGOPSIDA [Order])
- Promachoteuthis, Genus Promachoteuthis W.E. Hoyle, 1885 (PROMACHOTEUTHIDAE)
- Promacrus, Genus Promacrus Meek, 1871 (PHOLADOMYOIDEA (UNASSIGNED)) (FOSSIL)
- Promantelliceras, Genus Promantelliceras Thomel, 1972 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Promantellum, Subgenus Limaria (Promantellum) T. Iredale, 1939 (LIMIDAE)
- Promargarita, syn of: Genus Margarella K.H.J. Thiele in F.H. Troschel, 1893 (CALLIOSTOMATIDAE)
- Promarinula, Subgenus Marinula (Promarinula) W.A. Wenz, 1922 (ELLOBIIDAE)
- Promartynia, syn of: Genus Tegula R.P. Lesson, 1835 (TEGULIDAE)
- promatensis, Radiodiscus promatensis F.A.W. Miquel, R. Ramírez & J.W. Thomé, 2004 - (HELICODISCIDAE)
- promatensis, Simpulopsis promatensis G.F. Silva & J.W. Thomé, 2006 - (SIMPULOPSIDAE)
- Promathilda, syn of: Genus Promathildia Andreae, 1887 (GORDENELLIDAE) (FOSSIL)
- Promathildia, Genus Promathildia Andreae, 1887 (GORDENELLIDAE) (FOSSIL)
- promaucana, Lucinoma promaucana (R.A. Philippi, 1877 †) - (LUCINIDAE) (FOSSIL)
- promeces, Subepona promeces J.M. Pacaud & Ledon, 2012 † - (CYPRAEIDAE) (FOSSIL)
- promeces, Odostomia promeces W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- promenata, Peruvispira promenata C.O. Waterhouse 1987 † - (GOSSELETINIDAE) (FOSSIL)
- Promenetus, Genus Promenetus F.C. Baker, 1935 (PLANORBIDAE)
- promense, Calliostoma promense E.W. Vredenburg, 1921 † - (CALLIOSTOMATIDAE) (FOSSIL)
- promensis, Indoplacuna promensis E.W. Vredenburg, 1924 † - (ANOMIIDAE) (FOSSIL)
- promensis, Merica promensis E.W. Vredenburg, 1921 † - (CANCELLARIIDAE) (FOSSIL)
- promensis, Turricula promensis E.W. Vredenburg, 1921 † - (CLAVATULIDAE) (FOSSIL)
- promensis, Peristernia promensis E.W. Vredenburg, 1923 † - (FASCIOLARIIDAE) (FOSSIL)
- promensis, Ficus promensis E.W. Vredenburg, 1921 † - (FICIDAE) (FOSSIL)
- promensis, Ostrea promensis Noetling, 1901 † - (OSTREIDAE) (FOSSIL)
- promensis, Crassispira promensis Noetling, 1901 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- promensis, Ranella promensis E.W. Vredenburg, 1921 † - (RANELLIDAE) (FOSSIL)
- promensis, Dientomochilus promensis E.W. Vredenburg, 1921 † - (RIMELLIDAE) (FOSSIL)
- promensis, Terebra promensis E.W. Vredenburg, 1921 † - (TEREBRIDAE) (FOSSIL)
- promensis silistrensis, Turricula promensis silistrensis E.W. Vredenburg, 1921 - (CLAVATULIDAE)
- promera, Tellina promera W.H. Dall, 1900 - syn of: Angulus merus T. Say, 1834 - (TELLINIDAE)
- Promerelina, syn of: Genus Merelina T. Iredale, 1915 (RISSOIDAE)
- prometheus, Conus prometheus C.H. Hwass in J.G. Bruguière, 1792 - syn of: Kalloconus pulcher (J. Lightfoot, 1786) - (CONIDAE)
- prometheus, Helix prometheus O. Böttger, 1883 - syn of: Platytheba prometheus (O. Böttger, 1883) - (HELICIDAE)
- prometheus, Platytheba prometheus (O. Böttger, 1883) - (HYGROMIIDAE)
- prometheus, Megaphyllites prometheus Shevyrev, 1961 † - (MEGAPHYLLITIDAE) (FOSSIL)
- prometheus, Schlotheimia prometheus (Reynes) † - (SCHLOTHEIMIIDAE) (FOSSIL)
- prometheus, Trochus prometheus Laube, 1869 † - syn of: Tylotrochus semipunctatus (A. Braun, 1841 †) - (TROCHIDAE) (FOSSIL)
- promethus, Scutalus promethus J.C.H. Crosse, 1869 - (BULIMULIDAE)
- promicans, Argalista promicans C.R. Laws, 1936 † - (COLLONIIDAE) (FOSSIL)
- Promicroceras, Genus Promicroceras Sowerby, 1814 (EODEROCERATIDAE) (FOSSIL)
- Promilax, syn of: Genus Tandonia R.P. Lesson & C. Pollonera, 1882 (MILACIDAE)
- prominens, Kalidos prominens E. Fischer-Piette, Ch.P. Blanc, F. Blanc & F. Salvat, 1966 - (ARIOPHANTIDAE)
- prominens, Apula prominens (J.F. Babor, 1897 †) - (ELONIDAE) (FOSSIL)
- prominens, Agathotoma prominens E. Rolán, R. Fernández-Garcés & C. Redfern, 2012 - (MANGELIIDAE)
- prominens, Tubiferoceras prominens (Hedström, 1917 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- prominens, Phragmoceras prominens Hedström, 1917 † - syn of: Tubiferoceras prominens (Hedström, 1917 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- prominens, Babella prominens Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- prominens minus, Tubiferoceras prominens minus (Hedström, 1917 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- prominenta, Dentonia prominenta (Krishtofovich, 1947 †) - (CYRENIDAE) (FOSSIL)
- prominentum, Sulcobuccinum prominentum Del Rio, 2012 † - (PSEUDOLIVIDAE) (FOSSIL)
- prominima, Metamelon prominima C.R. Laws, 1932 † - (VOLUTIDAE) (FOSSIL)
- prominula, Cyclostoma prominula D'Orbigny, 1852 - syn of: Neocyclotus prominulus (A.V.M.D. D'Orbigny, 1852) - (POMATIIDAE)
- prominula, Lacteoluna prominula (L. Pfeiffer, 1858) - (SAGDIDAE)
- prominula, Vitrinella prominula (A. Adams, 1861) - (TORNIDAE)
- prominulum, Cyclostrema prominulum J.C. Melvill & R. Standen, 1903 - (LIOTIIDAE)
- prominulum, Opisthosiphon prominulum C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- prominulum, Sphaerium prominulum (A.E. Reuss in A.E. Reuss & Meyer, 1849 †) - (SPHAERIIDAE) (FOSSIL)
- prominulus, Neocyclotus prominulus (A.V.M.D. D'Orbigny, 1852) - (NEOCYCLOTIDAE)
- promisca, Dimeroclymenia promisca (Pajchlowa, 1972 †) - (BILOCLYMENIIDAE) (FOSSIL)
- promiscua, Cryptozona promiscua (E.A. Smith, 1895) - (ARIOPHANTIDAE)
- promiscuus, Kranaosphinctes promiscuus (Bukowski, 1887 †) - (PERISPHINCTIDAE) (FOSSIL)
- promissa, Xerosecta promissa C.A. Westerlund, 1893 - (HYGROMIIDAE)
- promodestum, Zephyroceras promodestum Kullmann, 1962 † - (GLAPHYRITIDAE) (FOSSIL)
- promontoriensis, Actinella promontoriensis H.W. Waldén, 1983 - (HYGROMIIDAE)
- promontorii, Siphonodentalium promontorii (K.H. Barnard, 1963) - (GADILIDAE)
- Promonturconchum, Genus Promonturconchum G.A. Solem, 1997 (CAMAENIDAE)
- Promourlonia, Genus Promourlonia Longst , 1924 (GOSSELETINIDAE) (FOSSIL)
- Promoussonius, Subgenus Synapterpes (Promoussonius) H.A. Pilsbry, 1906 (SUBULINIDAE)
- prompta, Metaxia prompta E. Rolán & R. Fernández-Garcés, 2008 - (TRIPHORIDAE)
- promptus, Porterius promptus Berezovsky, 2010 † - (PARALLELODONTIDAE) (FOSSIL)
- promptus, Siphonaria promptus T. Iredale, 1940 - syn of: Siphonaria laciniosa (C. Linnaeus, 1758) - (SIPHONARIIDAE)
- Promurex, Subgenus Murex (Promurex) W.F. Ponder & E.H. Vokes, 1988 (MURICIDAE) (FOSSIL)
- promus, Sacerdosoceras promus J. Evans, 2005 † - (EOTHINOCERATIDAE) (FOSSIL)
- Promyalina, Genus Promyalina Kittl, 1904 (MYALINIDAE) (FOSSIL)
- Promyophorella, Genus Promyophorella Kobayashi & Tamura, 1955 (MYOPHORELLIDAE) (FOSSIL)
- Promysidiella, Genus Promysidiella Waller & Stanley, 2005 (MYSIDIELLIDAE) (FOSSIL)
- Promytilus, Genus Promytilus Newell , 1942 (MYTILIDAE) (FOSSIL)
- prona, Syama prona G. Nevill - (ARIOPHANTIDAE)
- prona, Gonimyrtea prona (G.P. Deshayes, 1857 †) - (LUCINIDAE) (FOSSIL)
- prona, Ostrea prona Wood, 1861 † - (OSTREIDAE) (FOSSIL)
- prona, Biomphalaria prona (E.C. Von Martens, 1873) - (PLANORBIDAE)
- prona, Odostomia prona A. Peñas & E. Rolán, 1999 - (PYRAMIDELLIDAE)
- prona, Shaninopsis prona Isberg, 1934 † - (VLASTIDAE) (FOSSIL)
- pronacostae, Pyrgulina pronacostae Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- Pronajaceras, Genus Pronajaceras Lai & Xu, 1983 (ENDOCERIDA (UNASSIGNED)) (FOSSIL)
- prone, Gastrioceras prone Miller & Owen, 1937 † - (GASTRIOCERATIDAE) (FOSSIL)
- pronecostatum, Karakaschiceras pronecostatum (Felix, 1891 †) - (NEOCOMITIDAE) (FOSSIL)
- proneglecta, Cima proneglecta (R. Janssen, 1978 †) - (CIMIDAE) (FOSSIL)
- Proneomenia, Genus Proneomenia A.A.W. Hubrecht, 1880 (PRONEOMENIIDAE)
- PRONEOMENIIDAE Simroth, 1893 - Family (SOLENOGASTRES-SOLENOGASTRES [Subclass]-CAVIBELONIA [Order])
- Proneomia, syn of: Genus Proneomenia A.A.W. Hubrecht, 1880 (PRONEOMENIIDAE)
- Proneptunea, Subgenus Chlanidota (Proneptunea) K.H.J. Thiele, 1912 (BUCCINIDAE)
- proneri, Turbonilla proneri A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- proneri, Spondylus proneri K.L. Lamprell & J.M. Healy, 2001 - (SPONDYLIDAE)
- Proneritula, syn of: Genus Cyclope A. Risso, 1826 (NASSARIIDAE)
- Pronesopupa, Subgenus Negulus (Pronesopupa) T. Iredale, 1913 (VERTIGINIDAE)
- proni, Micromelania proni Miloševic, 1971 † - (HYDROBIIDAE) (FOSSIL)
- proniae, Kosmoceras proniae (Teysserre 1883 †) - (KOSMOCERATIDAE) (FOSSIL)
- Proniceras, Genus Proniceras Burckhardt, 1919 (OLCOSTEPHANIDAE) (FOSSIL)
- pronini, Latanarcestes pronini Bogoslovsky, 1969 † - syn of: Archanarcestes pronini (Bogoslovsky, 1969 †) - (LATANARCESTIDAE) (FOSSIL)
- pronini, Archanarcestes pronini (Bogoslovsky, 1969 †) - (MIMAGONIATITIDAE) (FOSSIL)
- Pronodularia, Genus Pronodularia Y.I. Starobogatov, 1970 (UNIONIDAE)
- Pronoella, Genus Pronoella Fischer, 1887 (ARCTICIDAE) (FOSSIL)
- Pronoetlingites, Genus Pronoetlingites Parnes, 1975 (LONGOBARDITIDAE) (FOSSIL)
- pronophobus, Succinea pronophobus H.A. Pilsbry, 1948 - (SUCCINEIDAE)
- Pronorites, Genus Pronorites Mojsisovics, 1882 (PRONORITIDAE) (FOSSIL)
- PRONORITIDAE Frech, 1901 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-PROLECANITIDA [Order]-MEDLICOTTIOIDEA [Superfamily]) (FOSSIL)
- prontchischevi, Arctoprionites prontchischevi Zakharov, 1978 † - syn of: Pseudosvalbardiceras sibiricum (Mojsisovics, 1886 †) - (SIBIRITIDAE) (FOSSIL)
- prontchistshevi, Lapteviella prontchistshevi Kurushin, 1985 † - (MALLETIIDAE) (FOSSIL)
- pronuba, Perideriopsis fallsensis pronuba H.A. Pilsbry, 1919 - (ACHATINIDAE)
- pronuba, Helix pronuba Westerlund & Blanc, 1879 - (HELICIDAE)
- Pronucula, Subgenus Nucula (Pronucula) C. Hedley, 1902 (NUCULIDAE)
- pronum, Proniceras pronum (Oppel, 1868 †) - (OLCOSTEPHANIDAE) (FOSSIL)
- pronus, Ammonites pronus Oppel, 1868 † - syn of: Proniceras pronum (Oppel, 1868 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- pronus, Labyrinthus pronus H.A. Pilsbry, 1932 - (CAMAENIDAE)
- proopinquella, Carelia olivacea proopinquella C.M. Cooke, 1931 - (AMASTRIDAE)
- Proostrea, syn of: Genus Protostrea Chen, 1976 (DIMYIDAE) (FOSSIL)
- propagoda, Stiracolpus propagoda (C.R. Laws, 1940 †) - (TURRITELLIDAE) (FOSSIL)
- Proparamenia, Genus Proparamenia H.F. Nierstrasz, 1902 (AMPHIMENIIDAE)
- Proparmacella, syn of: Genus Parmacella Couvier, 1804 (PARMACELLIDAE)
- Proparreysia, Genus Proparreysia J. Wanner, 1921 (UNIONIDAE)
- propatula, Barbatia propatula (T.A. Conrad, 1844 †) - (ARCIDAE) (FOSSIL)
- propatula, Agaronia propatula (T.A. Conrad, 1849) - (OLIVIDAE)
- propatula, Holandriana patula propatula (F. Sacco, 1886 †) - (PLEUROCERIDAE) (FOSSIL)
- propatula, Balanocochlis propatula F. Sacco, 1886 † - syn of: Holandriana patula propatula (F. Sacco, 1886 †) - (THIARIDAE) (FOSSIL)
- propatulus, Melongena propatulus Anderson, 1929 † - (MELONGENIDAE) (FOSSIL)
- propatulus, Patinopecten propatulus (T.A. Conrad †) - (PECTINIDAE) (FOSSIL)
- propeacuta, Eulimella propeacuta A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- Propeamusium, syn of: Genus Propeamussium A. De Gregorio, 1884 (PROPEAMUSSIIDAE)
- PROPEAMUSSIIDAE Abbott, 1954 - Family (BIVALVIA-PTERIOMORPHIA [Subclass]-PECTINIDA [Order]-PECTINOIDEA [Superfamily])
- Propeamussium, Genus Propeamussium A. De Gregorio, 1884 (PROPEAMUSSIIDAE)
- Propeannessium, syn of: Genus Propeamussium A. De Gregorio, 1884 (PROPEAMUSSIIDAE)
- propeanobrachis, Kalidos propeanobrachis E. Fischer-Piette & J. Bedoucha, 1966 - (ARIOPHANTIDAE)
- Propebela, Genus Propebela T. Iredale, 1918 (MANGELIIDAE)
- Propebloyetia, syn of: Genus Kalidos G.P.L.K. Gude, 1911 (ARIOPHANTIDAE)
- propeciliare, Trachycardium propeciliare W.H. Dall, 1900 † - (CARDIIDAE) (FOSSIL)
- propeconsocia, Tropidophora propeconsocia E. Fischer-Piette & J. Bedoucha, 1965 - (POMATIIDAE)
- Propectinatites, syn of: Genus Subdichotomoceras Spath, 1925 (PERISPHINCTIDAE) (FOSSIL)
- Propecuna, Genus Propecuna B.C. Cotton, 1931 (CONDYLOCARDIIDAE)
- propecylindracea, Bulla propecylindracea A. De Gregorio, 1890 - syn of: Cylichna propecylindracea (A. De Gregorio, 1890) - (BULLIDAE)
- propecylindracea, Cylichna propecylindracea (A. De Gregorio, 1890) - (CYLICHNIDAE)
- propediscus, Placunopsis propediscus Graham † - (ANOMIIDAE) (FOSSIL)
- propedistortus, Paraseraphs propedistortus (A. De Gregorio, 1880 †) - (SERAPHSIDAE) (FOSSIL)
- propefusiformis, Drillia propefusiformis W.C. Mansfield, 1925 † - (DRILLIIDAE) (FOSSIL)
- Propefusus, syn of: Genus Fusinus C.S. Rafinesque, 1815 (FASCIOLARIIDAE)
- propegracilior, Strombus propegracilior W.H. Dall & W.H. Ochsner, 1928 † - (STROMBIDAE) (FOSSIL)
- propeheterondata, Arca propeheterondata A. De Gregorio, 1880 † - (ARCIDAE) (FOSSIL)
- propehexagonum, Epitonium propehexagonum W.H. Dall, 1917 - syn of: Epitonium hexagonum (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- Propehyridella, syn of: Genus Hyridella W.J. Swainson, 1840 (HYRIIDAE)
- propeincile, Busycotypus propeincile (W.C. Mansfield, 1930 †) - (BUSYCONIDAE) (FOSSIL)
- propeinternus, Euspira propeinternus W.C. Mansfield, 1935 † - (NATICIDAE) (FOSSIL)
- propeinvalida, Limopsis propeinvalida C.R. Laws, 1939 † - (LIMOPSIDAE) (FOSSIL)
- propelaxa, Cirsonella propelaxa R.K. Dell, 1956 - (SKENEIDAE)
- Propeleda, Genus Propeleda T. Iredale, 1924 (NUCULANIDAE)
- propelevis, Duplicaria propelevis W.F. Ponder, 1968 - syn of: Euterebra tristis (G.P. Deshayes, 1859) - (TEREBRIDAE)
- propelevis, Pervicacia propelevis W.F. Ponder, 1968 - syn of: Euterebra tristis (G.P. Deshayes, 1859) - (TEREBRIDAE)
- propelutea, Venericardia propelutea B.C. Cotton, 1930 - syn of: Purpurocardia bimaculata (G.P. Deshayes, 1854) - (CARDITIDAE)
- propelyratum, Cirsotrema propelyratum J. Marwick, 1928 † - (EPITONIIDAE) (FOSSIL)
- Propemelibe, syn of: Genus Melibe P.C.A.S.L. Rang, 1829 (TETHYDIDAE)
- propemite, Gaudryceras propemite van Hoepen, 1921 † - syn of: Gaudryceras varicostatum Van Hoepen, 1921 † - (GAUDRYCERATIDAE) (FOSSIL)
- propemuralis, Murella muralis propemuralis (T.A. de M. Monterosato, 1892) - (HELICIDAE)
- Propemurchisonia, Genus Propemurchisonia Gregorio, 1930 (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- propenodosa, Zelandiella propenodosa (J.A. Bartrum, 1919 †) - (BUCCINIDAE) (FOSSIL)
- propenuda, Helix propenuda C.B. Adams, 1850 - syn of: Pleurodonte sinuata (O.F. Müller, 1774) - (HELICIDAE)
- propeobesa, Persicula propeobesa W.C. Mansfield, 1925 † - (CYSTISCIDAE) (FOSSIL)
- propeobesa stenygra, Persicula propeobesa stenygra W.P. Woodring, 1970 - (CYSTISCIDAE)
- propeovatus, Polinices propeovatus (J. Marwick, 1924 †) - (NATICIDAE) (FOSSIL)
- propeposti, Pterynotus propeposti W.C. Mansfield, 1937 † - (MURICIDAE) (FOSSIL)
- propepuncti, Pyrgulina propepuncti Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- properatum, Cerithium properatum W.P. Woodring, 1928 - syn of: Bittiolum varium (Pfeiffer, 1840) - (CERITHIIDAE)
- properegulare, Caecum properegulare W.C. Mansfield, 1925 † - (CAECIDAE) (FOSSIL)
- properensis, Heterozona properensis E.A. Ashby, 1920 - (ISCHNOCHITONIDAE)
- Properisphinctes, Genus Properisphinctes Spath, 1931 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Properrinites, Genus Properrinites Elias , 1938 (PERRINITIDAE) (FOSSIL)
- propertua, Barbatia propertua W.P. Woodring, 1925 † - (ARCIDAE) (FOSSIL)
- Properycina, Genus Properycina Cerulli-Irelli, 1908 (LASAEIDAE)
- Propescala, Genus Propescala B.C. Cotton & F.C. Godfrey, 1931 (EPITONIIDAE)
- propeserpentinus, Hildoceratoides propeserpentinus Buckman, 1921 † - syn of: Hildaites murleyi Buckman, 1841 † - (HILDOCERATIDAE) (FOSSIL)
- propesimiae, Mammilla propesimiae T. Iredale, 1929 - syn of: Mammilla simiae (G.P. Deshayes, 1838) - (NATICIDAE)
- Propesinum, syn of: Genus Eunaticina P. Fischer, 1885 (NATICIDAE)
- propesulcatus, Unio propesulcatus A. De Gregorio, 1914 - syn of: Epioblasma obliquata (C.S. Rafinesque, 1820) - (UNIONIDAE)
- Propetilus, syn of: Genus Gregariella T.A. de M. Monterosato, 1884 (MYTILIDAE)
- propetrina, Microdrillia propetrina W.C. Mansfield, 1925 † - (BORSONIIDAE) (FOSSIL)
- propetusa, Pusia propetusa C.N. Cate, 1963 - syn of: Pusia tusum (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- propevenusta, Massyla propevenusta W.C. Mansfield, 1930 † - (CANCELLARIIDAE) (FOSSIL)
- propeverutus, Unio propeverutus A. De Gregorio, 1914 - syn of: Elliptio dilatata C.S. Rafinesque, 1820 - (UNIONIDAE)
- propevitellina, Tropidophora propevitellina E. Fischer-Piette, Ch.P. Blanc, F. Blanc & F. Salvat, 1993 - (POMATIIDAE)
- propexum, Cardium propexum T.A. de M. Monterosato, 1891 - syn of: Acanthocardia deshayesii (B.C.M. Payraudeau, 1826) - (CARDIIDAE)
- propheta, Phenacovolva propheta L. Dolin & P. Lozouet, 2004 - (OVULIDAE)
- prophetae, Subvinalesphinctes prophetae Gygi & Hillebrandt, 1991 † - (PERISPHINCTIDAE) (FOSSIL)
- prophetarum, Cristataria strangulata prophetarum (J.R. Bourguignat, 1868) - (CLAUSILIIDAE)
- prophetarum, Melanopsis prophetarum J.R. Bourguignat in É.A.A. Locard, 1883 - (MELANOPSIDAE)
- prophetarum, Sphincterochila prophetarum (J.R. Bourguignat, 1852) - (SPHINCTEROCHILIDAE)
- Prophetilora, Genus Prophetilora T. Iredale, 1930 (LUCINIDAE)
- Prophysaon, Genus Prophysaon T.B. Bland & W.G. Binney, 1873 (ANADENIDAE)
- Propilidium, Genus Propilidium E. Forbes & S.C.T. Hanley, 1849 (LEPETIDAE)
- Propilina, syn of: Genus Proplina Kobayashi , 1933 (TRYBLIDIIDAE) (FOSSIL)
- Propilina, syn of: Genus Proplina Kobayashi , 1933 (TRYBLIDIIDAE) (FOSSIL)
- Propilsbrya, Genus Propilsbrya P. Bartsch, 1906 (EPIROBIIDAE)
- Propilula, Subgenus Pilula (Propilula) J. Germain, 1918 (CHAROPIDAE)
- Propinacoceras, Genus Propinacoceras Smith, 1927 (MEDLICOTTIIDAE) (FOSSIL)
- propingua, Turbonilla propingua (C.F. Laseron, 1951) - (PYRAMIDELLIDAE)
- propingua, Chione propingua (J.E. Tenison-Woods, 1877 †) - (VENERIDAE) (FOSSIL)
- propinqua, Ancilla propinqua C.A. von Zittel, 1863 † - (ANCILLARIIDAE) (FOSSIL)
- propinqua, Pterocerella propinqua (Kaunhowen, 1898 †) - (APORRHAIDAE) (FOSSIL)
- propinqua, Solatisonax propinqua R. Bieler, 1993 - (ARCHITECTONICIDAE)
- propinqua, Astarte propinqua G.A. Goldfuss, 1837 † - (ASTARTIDAE) (FOSSIL)
- propinqua, Barleeia propinqua Harmer † - (BARLEEIIDAE) (FOSSIL)
- propinqua, Belemnitella propinqua Moberg, 1885 † - (BELEMNITELLIDAE) (FOSSIL)
- propinqua, Apscheronia propinqua K.E.I. von Eichwald † - (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- propinqua, Cominella propinqua (Finlay, 1926 †) - (BUCCINIDAE) (FOSSIL)
- propinqua, Chloritis propinqua (L. Pfeiffer, 1857) - (CAMAENIDAE)
- propinqua, Cyclocardia propinqua (G.P. Deshayes, 1858 †) - (CARDITIDAE) (FOSSIL)
- propinqua, Joculator tomacula propinqua C.F. Laseron, 1956 - (CERITHIOPSIDAE)
- propinqua, Thalassohelix propinqua (F.W. Hutton, 1883) - (CHAROPIDAE)
- propinqua, Comarmondia propinqua Ant. Bivona-Bernardi & And. Bivona-Bernardi, 1838 - syn of: Comarmondia gracilis (G. Montagu, 1803) - (CLATHURELLIDAE)
- propinqua, Pardalinops propinqua (E.A. Smith, 1891) - (COLUMBELLIDAE)
- propinqua, Costellaria propinqua A. Garrett, 1880 - syn of: Vexillum lucidum (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- propinqua, Cylichna propinqua G.O. Sars, 1870 - syn of: Cylichna occulta (J.W. Mighels & Adams, 1842) - (CYLICHNIDAE)
- propinqua, Cypraea propinqua A. Garrett, 1879 - syn of: Lyncina carneola propinqua (A. Garrett, 1879) - (CYPRAEIDAE)
- propinqua, Lyncina carneola propinqua (A. Garrett, 1879) - (CYPRAEIDAE)
- propinqua, Anacithara propinqua C. Hedley, 1922 - (HORAICLAVIDAE)
- propinqua, Limatulina propinqua Reed, 1944 † - (LIMATULINIDAE) (FOSSIL)
- propinqua, Serrata propinqua (R. Tate, 1878 †) - (MARGINELLIDAE) (FOSSIL)
- propinqua, Mitra propinqua A. Adams, 1853 - syn of: Mitra nubila (J.F. Gmelin, 1791) - (MITRIDAE)
- propinqua, Purpura propinqua J.E. Tenison-Woods, 1877 - syn of: Haustrum vinosum (J.B.P.A. Lamarck, 1822) - (MURICIDAE)
- propinqua, Tritia propinqua (Sowerby, 1824 †) - (NASSARIIDAE) (FOSSIL)
- propinqua, Cochlis propinqua (V. Pecchioli, 1864 †) - (NATICIDAE) (FOSSIL)
- propinqua, Varicella propinqua (C.B. Adams, 1845) - (OLEACINIDAE)
- propinqua, Oliva propinqua F.P. Marrat, 1871 - syn of: Oliva vidua (P.F. Röding, 1798) - (OLIVIDAE)
- propinqua, Partula mirabilis propinqua D.M. Crampton, 1932 - (PARTULIDAE)
- propinqua, Physella propinqua G.W. Tryon, 1865 - (PHYSIDAE)
- propinqua, Pyramidella propinqua A. Adams, 1853 - syn of: Otopleura mitralis (Adams, 1855) - (PYRAMIDELLIDAE)
- propinqua, Streptostyla propinqua F.G. Thompson, 1963 - (SPIRAXIDAE)
- propinqua, Metaxia propinqua E. Rolán & R. Fernández-Garcés, 2008 - (TRIPHORIDAE)
- propinqua, Eopleurotoma propinqua (G.P. Deshayes, 1834 †) - (TURRIDAE) (FOSSIL)
- propinqua, Pleurotoma propinqua Ant. Bivona-Bernardi & And. Bivona-Bernardi, 1838 - syn of: Comarmondia gracilis (G. Montagu, 1803) - (TURRIDAE)
- propinqua, Epioblasma propinqua (I. Lea, 1857) - (UNIONIDAE)
- propinqua, Liocallonia propinqua (J. Gundlach in R. Arango, 1882) - (UROCOPTIDAE)
- propinqua, Anoma propinqua H. Vendryes, 1901 - syn of: Spirostemma bellevuense H.A. Pilsbry, 1903 - (UROCOPTIDAE)
- propinqua, Vanikoro propinqua Cragin, 1895 † - (VANIKORIDAE) (FOSSIL)
- propinqua, Tawera propinqua (Tenison Woods, 1877 †) - (VENERIDAE) (FOSSIL)
- propinqua, Chionopsis propinqua (E.M. Spieker, 1922 †) - (VENERIDAE) (FOSSIL)
- propinqua, Chione propinqua Tenison Woods, 1877 † - syn of: Tawera propinqua (Tenison Woods, 1877 †) - (VENERIDAE) (FOSSIL)
- propinqua, Yoldiella propinqua (W. Leche, 1878) - (YOLDIIDAE)
- propinqua nuttalli, Physella propinqua nuttalli I. Lea, 1864 - syn of: Physella nuttallii (I. Lea, 1864) - (PHYSIDAE)
- propinqua triticea, Physella propinqua triticea I. Lea, 1856 - (PHYSIDAE)
- propinqua venusta, Physella propinqua venusta I. Lea, 1864 - (PHYSIDAE)
- propinquans, Ringicula propinquans (R.B. Hinds, 1844) - (RINGICULIDAE)
- propinquans, Ringiculina propinquans R.B. Hinds, 1844 - syn of: Ringicula propinquans (R.B. Hinds, 1844) - (RINGICULIDAE)
- propinquans, Sonninia propinquans (C.É. Bayle, 1848 †) - (SONNINIIDAE) (FOSSIL)
- propinquata, Doris propinquata W.H. Pease, 1860 - syn of: Goniobranchus vibratus (W.H. Pease, 1860) - (DORIDIDAE)
- propinquis, Jujubinus propinquis T.A. de M. Monterosato - syn of: Jujubinus striatus depictus (G.P. Deshayes, 1835) - (TROCHIDAE)
- propinquum, Anthracosphaerium propinquum (R.V. Melville, 1946 †) - (ANTHRACOSIIDAE) (FOSSIL)
- propinquum, Hysteroceras propinquum F. Haas, 1942 † - (BRANCOCERATIDAE) (FOSSIL)
- propinquum, Carbactinoceras propinquum (Foord, 1898 †) - (CARBACTINOCERATIDAE) (FOSSIL)
- propinquum, Tiltoniceras propinquum (J.J.F. Whiteaves, 1884 †) - (HILDOCERATIDAE) (FOSSIL)
- propinquum, Loxonema propinquum J. Perner, 1907 † - (LOXONEMATIDAE) (FOSSIL)
- propinquum, Galaticeras propinquum C. Gemmellaro, 1884 † - (LYTOCERATIDAE) (FOSSIL)
- propinquum, Orthoceras propinquum Billings, 1857 † - syn of: Endoceras fulgur Billings, 1866 † - (ORTHOCERATIDAE) (FOSSIL)
- propinquum, Amussium propinquum E.A. Smith, 1885 - syn of: Parvamussium propinquum (E.A. Smith, 1885) - (PECTINIDAE)
- propinquum, Calliphylloceras propinquum Geczy, 1967 † - (PHYLLOCERATIDAE) (FOSSIL)
- propinquum, Parvamussium propinquum (E.A. Smith, 1885) - (PROPEAMUSSIIDAE)
- propinquus, Acteon propinquus Stanton, 1893 † - (ACTEONIDAE) (FOSSIL)
- propinquus, Actinocamax propinquus Moberg, 1885 † - syn of: Belemnitella propinqua Moberg, 1885 † - (BELEMNITELLIDAE) (FOSSIL)
- propinquus, Bellerophon propinquus F.B. Meek, 1871 † - (BELLEROPHONTIDAE) (FOSSIL)
- propinquus, Bellerophon propinquus de Koninck, 1883 † - syn of: Bellerophon demaneti Weir, 1931 † - (BELLEROPHONTIDAE) (FOSSIL)
- propinquus, Goodhallites propinquus (Stolickza, 1863 †) - (BRANCOCERATIDAE) (FOSSIL)
- propinquus, Prosipho propinquus K.H.J. Thiele, 1912 - (BUCCINIDAE)
- propinquus, Conus propinquus E.A. Smith, 1877 - syn of: Nitidoconus balteatus (G.B. I Sowerby, 1833) - (CONIDAE)
- propinquus, Napaeus propinquus (R.J. Shuttleworth, 1852) - (ENIDAE)
- propinquus, Fusus propinquus J. Alder, 1848 - syn of: Colus jeffreysianus (P. Fischer, 1868) - (FASCIOLARIIDAE)
- propinquus, Fusus propinquus J.G. Jeffreys, 1867 - syn of: Colus jeffreysianus (P. Fischer, 1868) - (FASCIOLARIIDAE)
- propinquus, Cadulus propinquus G.O. Sars, 1878 - (GADILIDAE)
- propinquus, Goniatites propinquus Winchell, 1862 † - syn of: Aganides propinquus (Winchell, 1862 †) - (GONIATITIDAE) (FOSSIL)
- propinquus, Aganides propinquus (Winchell, 1862 †) - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- propinquus, Siratus pliciferoides propinquus J.T. Kuroda & M. Azuma in M. Azuma, 1961 - (MURICIDAE)
- propinquus, Hypacanthoplites propinquus Casey † - (PARAHOPLITIDAE) (FOSSIL)
- propinquus, Promoussonius propinquus T.E. Crowley, 1956 - (SUBULINIDAE)
- propinquus, Jujubinus propinquus F. Ghisotti & G.C. Melone, 1975 - syn of: Jujubinus striatus (C. Linnaeus, 1758) - (TROCHIDAE)
- propinquus, Colosius propinquus (G. Colosi, 1921) - (VERONICELLIDAE)
- propinquus howesi, Fusus propinquus howesi J.T. Marshall, 1902 - syn of: Colus jeffreysianus (P. Fischer, 1868) - (FASCIOLARIIDAE)
- propinquus howsei, Fusus propinquus howsei W.B. Marshall, 1902 - syn of: Colus jeffreysianus howsei (W.B. Marshall, 1902) - (FASCIOLARIIDAE)
- propinquus laevis, Fusus propinquus laevis J.T. Marshall, 1902 - syn of: Colus jeffreysianus (P. Fischer, 1868) - (FASCIOLARIIDAE)
- propior, Cryptoplax propior Is. Taki & Iw. Taki, 1930 - (CRYPTOPLACIDAE)
- propitia, Calocochlia propitia H.C. Fulton, 1907 - (BRADYBAENIDAE)
- Proplacenticeras, Genus Proplacenticeras de Grossouvre, 1894 (PLACENTICERATIDAE) (FOSSIL)
- Proplanaxis, syn of: Genus Planaxis J.B.P.A. Lamarck, 1822 (PLANAXIDAE)
- Proplanulites, Genus Proplanulites Teisseyre, 1887 (PERISPHINCTIDAE) (FOSSIL)
- Proplecotrema, Genus Proplecotrema Degrange-Touzin, 1893 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- Proplina, Genus Proplina Kobayashi , 1933 (TRYBLIDIIDAE) (FOSSIL)
- PROPLINIDAE Knight & Yochelson, 1960 - Family (MONOPLACOPHORA-TRYBLIDIIDA [Order]-TRYBLIDIOIDEA [Superfamily]) (FOSSIL)
- Propolyptychites, Subgenus Virgatoptychites (Propolyptychites) Vogel, 1959 (POLYPTYCHITIDAE) (FOSSIL)
- proponticus, Hungarites proponticus F. Toula, 1896 † - syn of: Longobarditoides solimani (F. Toula, 1896 †) - (CERATITIDAE) (FOSSIL)
- proponticus, Phyllocladiscites proponticus (F. Toula, 1896 †) - (CLADISCITIDAE) (FOSSIL)
- Propopanoceras, Genus Propopanoceras Toumansky , 1938 (POPANOCERATIDAE) (FOSSIL)
- Propotomida, Genus Propotomida H. Modell, 1964 (UNIONIDAE)
- propria, Cerithiopsidella propria (C.R. Laws, 1941 †) - (CERITHIOPSIDAE) (FOSSIL)
- propria, Japonia propria (H.C. Fulton, 1905) - (CYCLOPHORIDAE)
- propria, Pseudoplocezyga propria Licharev, 1975 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- propria, Evalea propria C.R. Laws, 1941 - (PYRAMIDELLIDAE)
- propria, Siphonaria propria B.W. Jenkins, 1983 - (SIPHONARIIDAE)
- propria, Metaxia propria E. Rolán & R. Fernández-Garcés, 2008 - (TRIPHORIDAE)
- proprietecta, Neomenia proprietecta L. Salvini-Plawén, 1978 - (NEOMENIIDAE)
- proprium, Acobaecardium proprium (Alizade †) - (PTERIIDA (UNASSIGNED)) (FOSSIL)
- proprium, Vascoceras proprium Reyment, 1954 † - (VASCOCERATIDAE) (FOSSIL)
- proprius, Acteon proprius W.H. Dall, 1927 - syn of: Crenilabium exile (J.G. Jeffreys, 1870) - (ACTEONIDAE)
- proprius, Archinacella proprius W.J. Raymond, 1906 † - (ARCHINACELLIDAE) (FOSSIL)
- proprius, Chiton proprius L.A. Reeve, 1847 - syn of: Ischnochiton dispar (G.B. I Sowerby in W.J. Broderip & G.B. I Sowerby, 1832) - (CHITONIDAE)
- proprius, Permophorus proprius Kurushin, 1992 † - (KALENTERIDAE) (FOSSIL)
- proprius, Unio proprius I. Lea, 1865 - syn of: Villosa umbrans (I. Lea, 1857) - (UNIONIDAE)
- Proptera, syn of: Genus Potamilus C.S. Rafinesque, 1819 (UNIONIDAE)
- Proptychites, Genus Proptychites Renz & Renz, 1948 (PROPTYCHITIDAE) (FOSSIL)
- PROPTYCHITIDAE Waagen, 1895 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-MEEKOCERATOIDEA [Superfamily]) (FOSSIL)
- Proptychitoides, Genus Proptychitoides Spath , 1930 (PROPTYCHITIDAE) (FOSSIL)
- Propupa, Genus Propupa Stworzewicz & Pokryszko, 2006 (VERTIGINIDAE) (FOSSIL)
- Propupaspira, Genus Propupaspira Pan & Erwin, 2002 (PROPUPASPIRIDAE) (FOSSIL)
- PROPUPASPIRIDAE Nόtzel, Pan & Erwin, 2002 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-CERITHIOIDEA [Superfamily]) (FOSSIL)
- Propustularia, Genus Propustularia F.A. Schilder, 1927 (CYPRAEIDAE)
- propygmaeum, Punctum propygmaeum A. Andreae, 1904 † - (PUNCTIDAE) (FOSSIL)
- proquadricostata, Ecphora proquadricostata B. Wade, 1917 † - (MURICIDAE) (FOSSIL)
- prora, Bakevellia prora Chronic, 1952 † - (BAKEVELLIIDAE) (FOSSIL)
- prora, Teichertia prora Glenister & al., 1956 † - (HERCOGLOSSIDAE) (FOSSIL)
- prora, Tellina prora (S.C.T. Hanley, 1844) - (TELLINIDAE)
- prora, Eurytellina prora S.C.T. Hanley, 1844 - syn of: Tellina prora (S.C.T. Hanley, 1844) - (TELLINIDAE)
- prora, Pitar prora (T.A. Conrad, 1837) - (VENERIDAE)
- prora, Pitar prora K.L. Lamprell & R.N. Kilburn, 1999 - syn of: Pitar affinis (J.F. Gmelin, 1791) - (VENERIDAE)
- proranao, Doto proranao J.A. Ortea, 2001 - (DOTIDAE)
- Prorasenia, Genus Prorasenia Spath, 1935 (AULACOSTEPHANIDAE) (FOSSIL)
- proratum, Algericeras proratum (Coquand, 1879 †) - (BRANCOCERATIDAE) (FOSSIL)
- proratum paucicostatum, Algericeras proratum paucicostatum J. Kennedy & Wright, 1981 † - (BRANCOCERATIDAE) (FOSSIL)
- proratus, Prionocycloides proratus Coquand, 1879 † - syn of: Algericeras proratum (Coquand, 1879 †) - (BRANCOCERATIDAE) (FOSSIL)
- proredempta scalariformis, Natica proredempta scalariformis F. Sacco, 1891 † - syn of: Polinices proredemptus (F. Sacco, 1891 †) - (NATICIDAE) (FOSSIL)
- proredempta subnaticoides, Natica proredempta subnaticoides F. Sacco, 1891 † - syn of: Polinices proredemptus (F. Sacco, 1891 †) - (NATICIDAE) (FOSSIL)
- proredempta tauromamilla, Natica proredempta tauromamilla F. Sacco, 1891 † - syn of: Polinices proredemptus (F. Sacco, 1891 †) - (NATICIDAE) (FOSSIL)
- proredemptus, Polinices proredemptus (F. Sacco, 1891 †) - (NATICIDAE) (FOSSIL)
- Proreinia, syn of: Genus Reinia W. Kobelt, 1876 (CLAUSILIIDAE)
- Prorokia, Genus Prorokia Bφhm, 1883 (ASTARTIDAE) (FOSSIL)
- Prorotrigonia, Genus Prorotrigonia Cox, 1952 (PROSOGYROTRIGONIIDAE) (FOSSIL)
- Prorsiceras, Genus Prorsiceras Buckman, 1918 (CARDIOCERATIDAE) (FOSSIL)
- prorsiradiatum, Catacoeloceras prorsiradiatum Pinna, 1966 † - (DACTYLIOCERATIDAE) (FOSSIL)
- prorsiradiatus, Olcostephanus prorsiradiatus (Imlay, 1937 †) - (OLCOSTEPHANIDAE) (FOSSIL)
- prorsiradiatus, Rogersites prorsiradiatus Imlay, 1937 † - syn of: Olcostephanus prorsiradiatus (Imlay, 1937 †) - (OLCOSTEPHANIDAE) (FOSSIL)
- Prorsisphinctes, Genus Prorsisphinctes Buckman, 1921 (PERISPHINCTIDAE) (FOSSIL)
- prorsocurvatum, Prolyelliceras prorsocurvatum (U. Gerhardt, 1897 †) - (PROLYELLICERATIDAE) (FOSSIL)
- prorsum, Nicimitoceras prorsum (A. Schmidt, 1925 †) - (GATTENDORFIIDAE) (FOSSIL)
- prorsum, Aganides prorsum A. Schmidt, 1925 † - syn of: Nicimitoceras prorsum (A. Schmidt, 1925 †) - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- prorsum antecedens, Imitoceras prorsum antecedens Vöhringer, 1960 † - syn of: Acutimitoceras antecedens Vöhringer, 1960 † - (PRIONOCERATIDAE) (FOSSIL)
- prorsum convexum, Imitoceras prorsum convexum Vöhringer, 1960 † - syn of: Acutimitoceras convexum Vöhringer, 1960 † - (PRIONOCERATIDAE) (FOSSIL)
- prorsus, Aganides prorsus A. Schmidt, 1925 † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- proruta, Leiorhinus proruta (T.A. Conrad, 1832 †) - (STROMBOIDEA (UNASSIGNED)) (FOSSIL)
- prosacrus, Unio prosacrus É.A.A. Locard, 1883 - syn of: Unio terminalis J.R. Bourguignat, 1852 - (UNIONIDAE)
- prosanguinolenta, Mitra prosanguinolenta C.N. Cate, 1966 - syn of: Mitra sanguinolenta J.B.P.A. Lamarck, 1811 - (MITRIDAE)
- Prosaphites, syn of: Subgenus Taramelliceras (Proscaphites) Oppel, 1863 (OPPELIIDAE) (FOSSIL)
- prosayana, Callocardia prosayana Gardner, 1926 † - (VENERIDAE) (FOSSIL)
- prosayana dodona, Callocardia prosayana dodona Gardner, 1926 † - (VENERIDAE) (FOSSIL)
- Proscala, Genus Proscala Cossmann, 1912 (NYSTIELLIDAE) (FOSSIL)
- Proscaphella, syn of: Genus Miomelon W.H. Dall, 1907 (VOLUTIDAE)
- Proscaphites, Subgenus Taramelliceras (Proscaphites) Oppel, 1863 (OPPELIIDAE) (FOSSIL)
- Proscenula, syn of: Genus Crepidula J.B.P.A. Lamarck, 1799 (CALYPTRAEIDAE)
- proschi, Bathypolypus proschi B.J. Muus, 1962 - syn of: Bathypolypus bairdii (A.E. Verrill, 1873) - (BATHYPOLYPODIDAE)
- proschi, Bathypolypus arcticus proschi B.W. Myers & A. D'Attilio, 1990 - (BATHYPOLYPODIDAE)
- proschwitzi, Torosia proschwitzi P. Glöer & D.G. Georgiev, 2012 - (HYDROBIIDAE)
- proscissa, Nebularia proscissa L.A. Reeve, 1844 - (MITRIDAE)
- proscissa minor, Nebularia proscissa minor P. Dautzenberg & J.L. Bouge, 1923 - syn of: Nebularia proscissa L.A. Reeve, 1844 - (MITRIDAE)
- proscripta, Mitrella proscripta (E.A. Smith, 1890) - (COLUMBELLIDAE)
- Proscutum, Genus Proscutum P. Fischer, 1885 (LOTTIIDAE) (FOSSIL)
- Proseila, Genus Proseila K.H.J. Thiele, 1929 (CERITHIOPSIDAE)
- proseila, Brookula proseila R.S. Absalão & A. Pimenta, 2005 - (SEGUENZIOIDEA (UNASSIGNED))
- Proselenites, syn of: Subgenus Haplotrema (Geomene) H.A. Pilsbry, 1927 (HAPLOTREMATIDAE)
- proserpina, Fontigens proserpina L.R. Hubricht, 1940 - (AMNICOLIDAE)
- proserpina, Helix proserpina L. Pfeiffer, 1841 - syn of: Proserpina nitida G.B. Sowerby, 1839 - (HELICIDAE)
- proserpina, Helicotoma proserpina Billings, 1865 † - (HELICOTOMIDAE) (FOSSIL)
- Proserpina, Genus Proserpina G.B. Sowerby, 1839 (PROSERPINIDAE)
- proserpinae, Cypraea proserpinae J.F. Bayan, 1870 † - syn of: Luponovula rugosa (W.J. Broderip, 1827 †) - (CYPRAEIDAE) (FOSSIL)
- proserpinae, Luponovula proserpinae J.F. Bayan, 1870 † - syn of: Luponovula rugosa (W.J. Broderip, 1827 †) - (EOCYPRAEIDAE) (FOSSIL)
- proserpinae normalis, Cypraea proserpinae normalis A. De Gregorio, 1880 † - syn of: Luponovula normalis (A. De Gregorio, 1880 †) - (CYPRAEIDAE) (FOSSIL)
- Proserpinella, Genus Proserpinella T.B. Bland, 1865 (PROSERPINELLIDAE)
- PROSERPINELLIDAE H.B. Baker, 1923 - Family (GASTROPODA-NERITIMORPHA [Subclass]-CYCLONERITIMORPHA [Order]-HELICINOIDEA [Superfamily])
- PROSERPINIDAE Gray, 1847 - Family (GASTROPODA-NERITIMORPHA [Subclass]-CYCLONERITIMORPHA [Order]-HELICINOIDEA [Superfamily])
- proserpinula, Helix proserpinula L. Pfeiffer, 1851 - syn of: Proserpinula discoidea (C.B. Adams, 1850) - (HELICIDAE)
- Proserpinula, Genus Proserpinula J.A. Albers in E.C. Von Martens, 1860 (SAGDIDAE)
- Proshumardites, Genus Proshumardites Kullmann, 1962 (AGATHICERATIDAE) (FOSSIL)
- Prosicanites, Genus Prosicanites Toumansky , 1937 (MEDLICOTTIIDAE) (FOSSIL)
- Prosiceras, syn of: Genus Prorsiceras Buckman, 1918 (CARDIOCERATIDAE) (FOSSIL)
- prosila, Umbilia prosila T.A. Darragh, 2002 † - (CYPRAEIDAE) (FOSSIL)
- prosila, Grovesia prosila Fehse, 2017 † - (EOCYPRAEIDAE) (FOSSIL)
- prosilia, Trivirostra prosilia D. Fehse, 2015 - (TRIVIIDAE)
- Prosilicula, Genus Prosilicula Heinberg, 1989 (SILICULIDAE) (FOSSIL)
- Prosimnia, Genus Prosimnia F.A. Schilder, 1927 (OVULIDAE)
- Prosinuites, Genus Prosinuites Poulsen , 1967 (HELCIONELLIDAE) (FOSSIL)
- Prosipho, Genus Prosipho K.H.J. Thiele, 1912 (BUCCINIDAE)
- prosistens, Natica prosistens É.A.A. Locard, 1897 - syn of: Euspira subplicata (J.G. Jeffreys, 1885) - (NATICIDAE)
- Prositala, Subgenus Philalanka (Prositala) J. Germain, 1915 (ENDODONTIDAE)
- Prosochasma, Genus Prosochasma Beushausen, 1895 (LUNULACARDIIDAE) (FOSSIL)
- prosoclina, Eulimella prosoclina A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- prosoclinus, Leptochondria prosoclinus Li, 1995 † - (LEIOPECTINIDAE) (FOSSIL)
- PROSOCOELIDAE Karczewski, 1992 - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-IMPARIDENTIA [Superorder]-MEGALODONTIDA [Order]-MECYNODONTOIDEA [Super) (FOSSIL)
- Prosocoelodon, syn of: Genus Prosocoelus Keferstein, 1857 (PROSOCOELIDAE) (FOSSIL)
- Prosocoelogeton, Subgenus Prosocoelus (Prosocoelogeton) Quenstedt, 1926 (PROSOCOELIDAE) (FOSSIL)
- Prosocoelus, Genus Prosocoelus Keferstein, 1857 (PROSOCOELIDAE) (FOSSIL)
- prosocostae, Turbonilla prosocostae A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- Prosodacna, Genus Prosodacna Tournouer, 1882 (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- Prosodacnomya, Genus Prosodacnomya Ebersin, 1959 (CARDIIDAE) (FOSSIL)
- prosogyrata, Profulvia prosogyrata A.I. Kafanov, 1994 † - syn of: Keenocardium prosogyratum (A.I. Kafanov, 1994 †) - (CARDIIDA (unassigned)) (FOSSIL)
- prosogyratum, Keenocardium prosogyratum (A.I. Kafanov, 1994 †) - (CARDIIDAE) (FOSSIL)
- Prosogyrotrigonia, Genus Prosogyrotrigonia Krumbeck, 1924 (PROSOGYROTRIGONIIDAE) (FOSSIL)
- PROSOGYROTRIGONIIDAE Kobayashi, 1954 - Family (BIVALVIA-PALAEOHETERODONTA [Subclass]-TRIGONIIDA [Order]-TRIGONIOIDEA [Superfamily]) (FOSSIL)
- Prosolarium, Genus Prosolarium Perner, 1903 (LUCIELLIDAE) (FOSSIL)
- Prosoleptus, Genus Prosoleptus Beushausen, 1895 (MALLETIIDAE) (FOSSIL)
- Prosoosia, Genus Prosoosia H. Nordsieck, 1986 (HELICODONTIDAE) (FOSSIL)
- Prosopeas, Genus Prosopeas O.A.L. Mφrch, 1876 (SUBULINIDAE)
- prosopidis, Bulimulus prosopidis E.L. Holmberg, 1912 - (BULIMULIDAE)
- Prosopis, syn of: Genus Lucidella W.J. Swainson, 1840 (HELICINIDAE)
- prosopsis, Latona prosopsis A.A. Olsson, 1928 † - (DONACIDAE) (FOSSIL)
- Prosoptychus, Genus Prosoptychus Perner, 1903 (BELLEROPHONTIDAE) (FOSSIL)
- Prososphinctes, Subgenus Perisphinctes (Prososphinctes) Schindewolf (PERISPHINCTIDAE) (FOSSIL)
- Prososphinctoides, Genus Prososphinctoides Spath, 1928 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Prososthenia, Genus Prososthenia Neumayr, 1869 (HYDROBIIDAE) (FOSSIL)
- prosper, Pycnotrochus prosper J. Perner, 1903 † - (ANOMPHALIDAE) (FOSSIL)
- prosperi, Glibertia prosperi Van der Meulen, 1951 † - (VENERIDA (UNASSIGNED)) (FOSSIL)
- prosperus, Emilites prosperus Ruzhentsev, 1978 † - (ADRIANITIDAE) (FOSSIL)
- prosperus, Striocadulus prosperus (J. Marwick, 1931 †) - (GADILIDAE) (FOSSIL)
- Prosphingites, Genus Prosphingites Mojsisovics, 1886 (MELAGATHICERATIDAE) (FOSSIL)
- Prosphingitoides, Genus Prosphingitoides Shevyrev, 1995 (MELAGATHICERATIDAE) (FOSSIL)
- prosphora, Mitra prosphora T. Iredale, 1929 - syn of: Mitra solida L.A. Reeve, 1844 - (MITRIDAE)
- prosphues, Eudmetoceras prosphues (Branco †) - (HAMMATOCERATIDAE) (FOSSIL)
- PROSPONDYLIDAE Pchelintseva, 1960 - Family (BIVALVIA-PTERIOMORPHIA [Subclass]-PECTINIDA [Order]-PROSPONDYLOIDEA [Superfamily]) (FOSSIL)
- Prospondylus, Genus Prospondylus Newell & Boyd, 1970 (PSEUDOMONOTIDAE) (FOSSIL)
- prosseri, Entolium prosseri Mark, 1912 † - syn of: Pernopecten prosseri (Mark, 1912 †) - (ENTOLIIDAE) (FOSSIL)
- prosseri, Poleumita prosseri Foerste, 1919 † - (EUOMPHALIDAE) (FOSSIL)
- prosseri, Schizolopha prosseri Kindle, 1903 † - syn of: Arjamannia aulangonensis Peel, 1975 † - (GOSSELETINIDAE) (FOSSIL)
- prosseri, Orthonychia prosseri A.H. Clarke & Swartz, 1913 † - (ORTHONYCHIIDAE) (FOSSIL)
- prosseri, Pernopecten prosseri (Mark, 1912 †) - (PERNOPECTINIDAE) (FOSSIL)
- prosseri, Agnesia prosseri Hyde, 1953 † - (PORCELLIIDAE) (FOSSIL)
- Prostacheoceras, Genus Prostacheoceras Ruzhencev , 1937 (VIDRIOCERATIDAE) (FOSSIL)
- Prostenomphalia, Genus Prostenomphalia A.A. Bajdashnikov, 1985 (HYGROMIIDAE)
- Prosthenodon, Genus Prosthenodon A.E.M. Cossmann, 1888 (LITTORINIDAE) (FOSSIL)
- Prosthenomphala, Genus Prosthenomphala A.A. Baidashnikov, 1985 (HYGROMIIDAE)
- Prostilifer, Genus Prostilifer A. Warιn, 1980 (EULIMIDAE)
- prostleri, Architectonica prostleri A. Alf & K. Kreipl, 2001 - syn of: Architectonica proestleri A. Alf & K. Kreipl, 2001 - (ARCHITECTONICIDAE)
- prostrata, Nuculana prostrata (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (NUCULANIDAE)
- prostrata, Dosinia prostrata (C. Linnaeus, 1758) - (VENERIDAE)
- prostrata, Venus prostrata I. von Born, 1780 - syn of: Dosinia prostrata (C. Linnaeus, 1758) - (VENERIDAE)
- prostrata, Venus prostrata C. Linnaeus, 1758 - syn of: Dosinia prostrata (C. Linnaeus, 1758) - (VENERIDAE)
- prostriatus, Microdryas prostriatus (C.R. Laws, 1950 †) - (ANABATHRIDAE) (FOSSIL)
- Prostylifer, Genus Prostylifer Koken, 1889 (PROSTYLIFERIDAE) (FOSSIL)
- PROSTYLIFERIDAE Bandel, 1992 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-CERITHIOIDEA [Superfamily]) (FOSSIL)
- prosuavis, Drillia prosuavis C. Hedley, 1903 - syn of: Vexitomina suavis (E.A. Smith, 1888) - (DRILLIIDAE)
- prosulcata, Sulcoretusa prosulcata (J. Gardner, 1937 †) - (RETUSIDAE) (FOSSIL)
- prosymnia, Columbella prosymnia P.L. Duclos, 1850 - (COLUMBELLIDAE)
- Protacanthoceras, Genus Protacanthoceras Sharpe, 1853 (ACANTHOCERATIDAE) (FOSSIL)
- Protacanthodiscus, Genus Protacanthodiscus Kilian, 1889 (HIMALAYITIDAE) (FOSSIL)
- Protacanthoplites, syn of: Genus Acanthohoplites Sinzow , 1908 (DESHAYESITIDAE) (FOSSIL)
- Protaconeceras, Genus Protaconeceras Casey, 1954 (OPPELIIDAE) (FOSSIL)
- Protacrioceras, Genus Protacrioceras Sarkar, 1955 (EMERICICERATIDAE) (FOSSIL)
- protacta, Clymenia protacta Wedekind, 1908 † - syn of: Rectoclymenia protacta (Wedekind, 1908 †) - (CLYMENIIDAE) (FOSSIL)
- protacta, Rectoclymenia protacta (Wedekind, 1908 †) - (RECTOCLYMENIIDAE) (FOSSIL)
- Protactinoceras, Genus Protactinoceras Chen & Qi, 1979 (PROTACTINOCERATIDAE) (FOSSIL)
- PROTACTINOCERATIDAE Chen & Qi, 1979 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-PROTACTINOCERIDA [Order]) (FOSSIL)
- Protactoclymenia, Genus Protactoclymenia Wedekind , 1908 (CYRTOCLYMENIIDAE) (FOSSIL)
- protactum, Farcimen seminudum protactum L.O. Alcalde, 1945 - (MEGALOMASTOMIDAE)
- protactum, Opisthosiphon protactum C. de la Torre & J. Henderson, 1920 - syn of: Opisthosiphon protractum C. de la Torre & J. Henderson, 1920 - (POMATIIDAE)
- Protaeolidiella, Genus Protaeolidiella K. Baba, 1955 (PLEUROLIDIIDAE)
- Protagelus, Genus Protagelus Tapaswi, 1979 (SOLECURTIDAE)
- Protalbinaria, syn of: Subgenus Albinaria (Sericata) O. Bφttger, 1878 (CLAUSILIIDAE)
- Protalochiton, Genus Protalochiton Rochebrune, 1883 (NEOLORICATA (UNASSIGNED)) (FOSSIL)
- Protamblema, Genus Protamblema H. Modell, 1957 (UNIONIDAE)
- Protanclyoceras, Genus Protanclyoceras (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Protancyloceras, Genus Protancyloceras Spath, 1924 (PROTANCYLOCERATIDAE) (FOSSIL)
- PROTANCYLOCERATIDAE Breistroffer, 1947 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-ANCYLOCERATINA [Suborder]-PROTANCYLOCERATOIDEA [Superfamily]) (FOSSIL)
- Protancylus, Genus Protancylus P.B. Sarasin & K.F. Sarasin, 1897 (PLANORBIDAE)
- protania, Amphidromus protania H. Lehmann & W.J.M. Maassen, 2004 - (CAMAENIDAE)
- Protanisoceras, Genus Protanisoceras Kakabadze & Hoedemaeker, 1997 (ANISOCERATIDAE) (FOSSIL)
- Protapes, Subgenus Paphia (Protapes) W.H. Dall, 1902 (VENERIDAE)
- Protarca, Genus Protarca Stephenson, 1923 (GLYCYMERIDIDAE) (FOSSIL)
- Protatlanta, Genus Protatlanta J.J. Tesch, 1908 (ATLANTIDAE)
- protchei, Spathella protchei A. de Rochebrune, 1886 - syn of: Aspatharia pfeifferiana (A.C. Bernardi, 1860) - (MODIOMORPHIDAE)
- protchi, Spatha protchi C.T. Simpson, 1900 - syn of: Aspatharia pfeifferiana (A.C. Bernardi, 1860) - (IRIDINIDAE)
- protea, Carbonicola protea Wright & J. Kennedy, 1980 † - (ANTHRACOSIIDAE) (FOSSIL)
- protea, Aplysia protea P.C.A.S.L. Rang, 1828 - syn of: Aplysia dactylomela P.C.A.S.L. Rang, 1828 - (APLYSIIDAE)
- protea, Crepidula protea d'Orbigny, 1941 - (CALYPTRAEIDAE)
- protea, Crepidula protea auct. non D'Orbigny, 1841 - syn of: Crepidula carioca L.R.L. Simone, 2006 - (CALYPTRAEIDAE)
- protea, Crepidula protea Auct. non A.V.M.D. D'Orbigny, 1841 - syn of: Crepidula pyguaia L.R.L. Simone, 2006 - (CALYPTRAEIDAE)
- protea, Noumea protea T.M. Gosliner, 1994 - (CHROMODORIDIDAE)
- protea, Tryonia protea (A.A. Gould, 1855) - (COCHLIOPIDAE)
- protea, Hydrobia protea A.A. Gould, 1855 - syn of: Tryonia protea (A.A. Gould, 1855) - (HYDROBIIDAE)
- protea, Partula protea L. Pfeiffer, 1877 - syn of: Partula navigatoria (L. Pfeiffer, 1849) - (PARTULIDAE)
- protea, Spiniloma protea (L.É.S. Piette, 1882 †) - (SPINILOMATIDAE) (FOSSIL)
- Protechioceras, Genus Protechioceras Spath, 1929 (ECHIOCERATIDAE) (FOSSIL)
- protecta, Nematomenia protecta K.H.J. Thiele, 1913 - (DONDERSIIDAE)
- protecta, Weyerella protecta Bockwinkel & Ebbighausen, 2006 † - (GATTENDORFIIDAE) (FOSSIL)
- protecta, Forcepimenia protecta L. Salvini-Plawén, 1969 - (PRUVOTINIDAE)
- protectum, Conocardium protectum Barrande, 1881 † - syn of: Pojetorum protectum (Barrande, 1881 †) - (CONOCARDIIDAE) (FOSSIL)
- protectum, Pojetorum protectum (Barrande, 1881 †) - (HIPPOCARDIIDAE) (FOSSIL)
- protectum, Stenopharciceras protectum Bockwinkel & al., 2009 † - (PHARCICERATIDAE) (FOSSIL)
- protectus, Aegires protectus N.H. Odhner, 1934 - syn of: Aegires albus K.H.J. Thiele, 1912 - (AEGIRIDAE)
- protectus, Gyraulus protectus E. Jekelius, 1944 - (PLANORBIDAE)
- protei, Naticopsis protei (G.A. Goldfuss, 1844 †) - (DELPHINULOPSIDAE) (FOSSIL)
- protei, Orthonychia protei (Oehlert, 1883 †) - (ORTHONYCHIIDAE) (FOSSIL)
- protei, Pecten protei Münster, 1841 † - (PECTINIDAE) (FOSSIL)
- protei, Bucardiomya protei (A. Brongniart, 1821 †) - (PHOLADOMYIDAE) (FOSSIL)
- protei, Platyceras protei Oehlert, 1883 † - syn of: Orthonychia protei (Oehlert, 1883 †) - (PLATYCERATIDAE) (FOSSIL)
- protei, Pleurotomaria protei Münster, 1841 † - syn of: Ptychomphalus protei (Münster, 1841 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- protei, Ptychomphalus protei (Münster, 1841 †) - (PTYCHOMPHALIDAE) (FOSSIL)
- proteiforme, Endoceras proteiforme (J.W. Hall, 1847 †) - (ENDOCERATIDAE) (FOSSIL)
- proteiforme, Cameroceras proteiforme J.W. Hall, 1847 † - syn of: Endoceras proteiforme (J.W. Hall, 1847 †) - (ENDOCERATIDAE) (FOSSIL)
- proteiforme, Ptomatis proteiforme Hyde, 1953 † - (PLECTONOTIDAE) (FOSSIL)
- proteiformis, Scutalus proteiformis W.L.H. Dohrn, 1863 - (BULIMULIDAE)
- protela, Setia limpida protela F. Nordsieck, 1972 - (RISSOIDAE)
- Protelliptio, Genus Protelliptio H.D. Russell, 1934 (UNIONIDAE)
- protemmericia, Bithynia protemmericia Willmann, 1981 † - (BITHYNIIDAE) (FOSSIL)
- protendens, Ploconema protendens J. Perner, 1903 † - (PLATYCERATIDAE) (FOSSIL)
- Protengonoceras, Genus Protengonoceras Hyatt , 1903 (ENGONOCERATIDAE) (FOSSIL)
- protensa, Eopolita protensa (A.E.J. Férussac, 1832) - (OXYCHILIDAE)
- protensa, Rissoa variabilis protensa É.A.A. Locard, 1886 - (RISSOIDAE)
- protensa, Elliptotellina protensa (Powell, 1935 †) - (TELLINIDAE) (FOSSIL)
- protensa, Volutilithes protensa Sowerby, 1840 † - (VOLUTIDAE) (FOSSIL)
- protensa jebusitica, Eopolita protensa jebusitica (J.R. Roth, 1855) - (OXYCHILIDAE)
- protensa tenerrima, Eopolita protensa tenerrima (P. Hesse, 1914) - (OXYCHILIDAE)
- protensum, Buccinulum protensum Powell, 1929 † - (BUCCINIDAE) (FOSSIL)
- protensus, Conorbis protensus O.G. Michelotti, 1861 † - (CONORBIDAE) (FOSSIL)
- protensus, Neoguraleus protensus (F.W. Hutton, 1885 †) - (MANGELIIDAE) (FOSSIL)
- protensus, Sassia protensus R. Tate, 1888 † - (RANELLIDAE) (FOSSIL)
- protensus, Unio protensus I. Lea, 1865 - syn of: Unio abbevillensis I. Lea, 1857 - (UNIONIDAE)
- protentum, Rayonnoceras protentum W.J. Gordon, 1964 † - (CARBACTINOCERATIDAE) (FOSSIL)
- protentus, Clavus protentus R.P.J. Hervier, 1896 - (DRILLIIDAE)
- Proteoceras, Genus Proteoceras Flower, 1955 (PROTEOCERATIDAE) (FOSSIL)
- PROTEOCERATIDAE Flower, 1962 - Family (CEPHALOPODA-ORTHOCERATOIDEA [Subclass]-ORTHOCERIDA [Order]) (FOSSIL)
- Proteopecten, syn of: Genus Chlamys P.F. Rφding, 1798 (PECTINIDAE)
- protera, Probythinella protera H.A. Pilsbry, 1953 - (HYDROBIIDAE)
- protera, Urosalpinx dalli protera W.P. Woodring, 1964 - (MURICIDAE)
- protera, Strigilla protera W.P. Woodring, 1982 † - (TELLINIDAE) (FOSSIL)
- proteracuta, Nuculana proteracuta J. Gardner, 1926 † - (NUCULANIDAE) (FOSSIL)
- proteracuta diamesa, Nuculana proteracuta diamesa J. Gardner, 1926 † - (NUCULANIDAE) (FOSSIL)
- proteracuta leita, Nuculana proteracuta leita J. Gardner, 1926 † - (NUCULANIDAE) (FOSSIL)
- Proterato, Genus Proterato F.A. Schilder, 1927 (TRIVIIDAE)
- Protereda, syn of: Genus Kuphus J.Ι. Guettard, 1770 (TEREDINIDAE)
- Proterocameroceras, Genus Proterocameroceras Ruedemann, 1905 (PROTEROCAMEROCERATIDAE) (FOSSIL)
- PROTEROCAMEROCERATIDAE Kobayashi, 1937 - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-ENDOCERIDA [Order]) (FOSSIL)
- Proteroconus, Genus Proteroconus Stinchcomb , 1986 (HYPSELOCONIDAE) (FOSSIL)
- Proteroctopus, Genus Proteroctopus Fischer & Riou, 1982 (OCTOPODA (UNASSIGNED)) (FOSSIL)
- Proterovaginoceras, Genus Proterovaginoceras Ruedemann , 1905 (ENDOCERATIDAE) (FOSSIL)
- proterus, Lepidopecten proterus W.P. Woodring, 1982 † - (PECTINIDAE) (FOSSIL)
- Protetragonites, Genus Protetragonites Hyatt , 1900 (LYTOCERATIDAE) (FOSSIL)
- proteum, Bittium proteum (F.P. Jousseaume, 1931) - (CERITHIIDAE)
- proteum, Hudsonoceras proteum (J. Brown, 1841 †) - (GIRTYOCERATIDAE) (FOSSIL)
- proteum, Goniatites proteum J. Brown, 1841 † - syn of: Hudsonoceras proteum (J. Brown, 1841 †) - (GONIATITIDAE) (FOSSIL)
- proteus, Protacanthoceras proteus Wright & J. Kennedy, 1980 † - (ACANTHOCERATIDAE) (FOSSIL)
- proteus, Toxoceratoides proteus (Spath, 1930 †) - (ANCYLOCERATIDAE) (FOSSIL)
- proteus, Tonohamites proteus Spath, 1930 † - syn of: Toxoceratoides proteus (Spath, 1930 †) - (ANCYLOCERATIDAE) (FOSSIL)
- proteus, Heliacus proteus (R. Bieler, 1993) - (ARCHITECTONICIDAE)
- proteus, Torinista proteus R. Bieler, 1993 - syn of: Heliacus proteus (R. Bieler, 1993) - (ARCHITECTONICIDAE)
- proteus, Boeseites proteus (F. Haas, 1942 †) - (BRANCOCERATIDAE) (FOSSIL)
- proteus, Falloticeras proteus (A.V.M.D. D'Orbigny, 1842 †) - (BRANCOCERATIDAE) (FOSSIL)
- proteus, Mortoniceras proteus F. Haas, 1942 † - syn of: Boeseites proteus (F. Haas, 1942 †) - (BRANCOCERATIDAE) (FOSSIL)
- proteus, Cantharus proteus A. Scacchi, 1836 - syn of: Gemophos viverratus (L.C. Kiener, 1834) - (BUCCINIDAE)
- proteus, Buccinum proteus L.A. Reeve, 1846 - syn of: Pollia fumosus (L.W. Dillwyn, 1817) - (BUCCINIDAE)
- proteus, Scutalus proteus (W.J. Broderip, 1832) - (BULIMULIDAE)
- proteus, Bulimus proteus W.G. Binney, 1869 - syn of: Naesiotus montezuma W.H. Dall, 1893 - (BULIMULIDAE)
- proteus, Protocardia proteus Krumbeck, 1913 † - syn of: Protocardia rhaetica M.S. Merian, 1853 † - (CARDIIDAE) (FOSSIL)
- proteus, Cerion proteus J. Gundlach, 1860 - (CERIONIDAE)
- proteus, Albinaria proteus (O. Böttger, 1889) - (CLAUSILIIDAE)
- proteus, Conus proteus C.H. Hwass in J.G. Bruguière, 1792 - syn of: Lindaconus spurius (J.F. Gmelin, 1791) - (CONIDAE)
- proteus, Estonioceras proteus Holm † - (ESTONIOCERATIDAE) (FOSSIL)
- proteus, Ischnochiton proteus L.A. Reeve, 1847 - (ISCHNOCHITONIDAE)
- proteus, Melanopsis proteus J.R. Tournouër, 1875 † - syn of: Melanopsis gorceixi proteus J.R. Tournouër, 1875 † - (MELANOPSIDAE) (FOSSIL)
- proteus, Melanopsis gorceixi proteus J.R. Tournouër, 1875 † - (MELANOPSIDAE) (FOSSIL)
- proteus, Pecten proteus L.W. Dillwyn, 1817 - syn of: Flexopecten glaber proteus (L.W. Dillwyn, 1817) - (PECTINIDAE)
- proteus, Flexopecten glaber proteus (L.W. Dillwyn, 1817) - (PECTINIDAE)
- proteus, Bentoceras proteus (Holm, 1899 †) - (TARPHYCERATIDAE) (FOSSIL)
- proteus, Melania proteus A.R.J.B. Bavay & P. Dautzenberg, 1910 - syn of: Hua jacqueti (P. Dautzenberg & H. Fischer, 1906) - (THIARIDAE)
- proteus, Trilamellaxis proteus (C. de la Torre, 1911) - (UROCOPTIDAE)
- proteus fusiformis, Canthidomus proteus fusiformis Magrograssi, 1928 † - syn of: Melanopsis fusiformis J. de C. Sowerby, 1822 † - (MELANOPSIDAE) (FOSSIL)
- proteus granulis, Scutalus proteus granulis (W.J. Broderip, 1832) - (BULIMULIDAE)
- proteus nana, Scutalus proteus nana (W.J. Broderip, 1832) - (BULIMULIDAE)
- proteus turgens, Trilamellaxis proteus turgens C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- proteus vascoceratoides, Protacanthoceras proteus vascoceratoides Wright & J. Kennedy, 1980 † - (ACANTHOCERATIDAE) (FOSSIL)
- Proteusites, Genus Proteusites Hauer , 1887 (PROTEUSITIDAE) (FOSSIL)
- PROTEUSITIDAE Spath, 1951 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-NATHORSTITOIDEA [Superfamily]) (FOSSIL)
- Protexanites, Genus Protexanites Matsumoto , 1955 (COLLIGNONICERATIDAE) (FOSSIL)
- protexta, Ensitellops protexta (T.A. Conrad, 1841) - (BASTEROTIIDAE)
- protexta, Clavilithes protexta (T.A. Conrad, 1833 †) - (FASCIOLARIIDAE) (FOSSIL)
- protexta, Perrisonota protexta T.A. Conrad, 1869 † - (MALLETIIDAE) (FOSSIL)
- protexta, Liopistha protexta (T.A. Conrad, 1853 †) - (POROMYIDAE) (FOSSIL)
- protexta, Sportella protexta T.A. Conrad, 1841 - syn of: Ensitellops protexta (T.A. Conrad, 1841) - (SPORTELLIDAE)
- protexta, Terebra protexta T.A. Conrad, 1845 - (TEREBRIDAE)
- protextum, Cerithium protextum T.A. Conrad, 1846 - syn of: Terebra protexta T.A. Conrad, 1845 - (CERITHIIDAE)
- protextus, Bathytormus protextus (T.A. Conrad, 1832 †) - (CRASSATELLIDAE) (FOSSIL)
- protextus, Amphidesma protextus T.A. Conrad, 1841 - syn of: Ensitellops protexta (T.A. Conrad, 1841) - (SEMELIDAE)
- Prothalassoceras, Genus Prothalassoceras Bφse , 1919 (THALASSOCERATIDAE) (FOSSIL)
- Prothalotia, Genus Prothalotia K.H.J. Thiele, 1930 (TROCHIDAE)
- protheus, Conus protheus J. Lightfoot, 1786 - syn of: Kalloconus pulcher (J. Lightfoot, 1786) - (CONIDAE)
- Prothyasira, Genus Prothyasira Iredale, 1930 (THYASIRIDAE)
- PROTHYRIDAE S.A. Miller, 1889 - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-SOLENIDA [Order]-ORTHONOTOIDEA [Superfamily]) (FOSSIL)
- Prothyris, Genus Prothyris Meek, 1871 (PROTHYRIDAE) (FOSSIL)
- Protimanites, syn of: Genus Hoeninghausia Gurich , 1896 (KOENENITIDAE) (FOSSIL)
- protinalata, Pteroclaraia protinalata H. Guo, 1985 † - (PTERINOPECTINIDAE) (FOSSIL)
- Protissotia, Subgenus Neophlycticeras (Protissotia) D'Orbigny, 1841 (LYELLICERATIDAE) (FOSSIL)
- protista, Lucinisca protista W.P. Woodring, 1982 † - (LUCINIDAE) (FOSSIL)
- protistus, Leopecten gatunensis protistus W.P. Woodring, 1982 - (PECTINIDAE)
- proto, Protoma proto (B. de Basterot, 1825 †) - (TURRITELLIDAE) (FOSSIL)
- protoaliculum, Americardia protoaliculum H.G. Richards, 1953 † - (CARDIIDAE) (FOSSIL)
- Protoatlanta, syn of: Genus Protatlanta J.J. Tesch, 1908 (ATLANTIDAE)
- Protoaulacoceras, Genus Protoaulacoceras K. Bandel, Reitner & W. Stόrmer, 1983 (AULACOCERIDA (UNASSIGNED)) (FOSSIL)
- Protobactrites, Genus Protobactrites Hyatt in Zittel, 1900 (ORTHOCERIDA (UNASSIGNED)) (FOSSIL)
- Protobalanus, Genus Protobalanus Whitfield , 1888 (HERCOLEPADIDAE) (FOSSIL)
- Protobarleeia, Genus Protobarleeia W.F. Ponder, 1983 (BARLEEIIDAE)
- Protobeliscus, Subgenus Obeliscus (Protobeliscus) H.A. Pilsbry, 1906 (SUBULINIDAE)
- protobeninus, Pyrazus protobeninus E.W. Vredenburg, 1928 † - (POTAMIDIDAE) (FOSSIL)
- Protobusycon, Genus Protobusycon Wade, 1917 (ECHINOFULGURIDAE) (FOSSIL)
- PROTOBUSYCONINAE - syn of Family: ECHINOFULGURIDAE (FOSSIL)
- Protocallithaca, Genus Protocallithaca Nomura, 1937 (VENERIDAE)
- Protocalyptaea, syn of: Genus Protocalyptraea Clarke, 1894 (PSEUDOPHORIDAE) (FOSSIL)
- Protocalyptraea, Genus Protocalyptraea Clarke, 1894 (PSEUDOPHORIDAE) (FOSSIL)
- Protocanites, Genus Protocanites Schmidt , 1922 (PROLECANITIDAE) (FOSSIL)
- Protocardia, Genus Protocardia Beyrich , 1845 (CARDIIDAE) (FOSSIL)
- protocardinalis, Stephanoconus protocardinalis Petuch, 1991 † - (CONIDAE) (FOSSIL)
- Protocardium, syn of: Genus Protocardia Beyrich , 1845 (CARDIIDAE) (FOSSIL)
- protocarinata, Xymenella protocarinata C.R. Laws, 1941 † - (MURICIDAE) (FOSSIL)
- protocarinata, Pusillina protocarinata P. Lozouet, 2015 - (RISSOIDAE)
- protocarinatus, Leptotrophon protocarinatus R. Houart, 1995 - (MURICIDAE)
- protocepoides, Turbo protocepoides E.W. Vredenburg, 1928 † - (TURBINIDAE) (FOSSIL)
- Protoceras, Genus Protoceras Marsh, 1891 (CERATITIDA (UNASSIGNED)) (FOSSIL)
- Protocerion, Genus Protocerion Harasewych, Windsor & al., 2015 (CERIONIDAE) (FOSSIL)
- Protochiton, Genus Protochiton Ashby, 1925 (PROTOCHITONIDAE) (FOSSIL)
- PROTOCHITONIDAE Ashby, 1925 - Family (POLYPLACOPHORA-NEOLORICATA [Subclass]-LEPIDOPLEURIDA [Order]-LEPIDOPLEURINA [Suborder])
- protocincta, Drillia protocincta Noetling, 1901 † - (DRILLIIDAE) (FOSSIL)
- Protoconchioides, Genus Protoconchioides Shaw, 1962 (PROTOCONCHOIDIDAE) (FOSSIL)
- PROTOCONCHOIDIDAE Geyer, 1994 - Family (MONOPLACOPHORA-TRYBLIDIIDA [Order]-TRYBLIDIOIDEA [Superfamily]) (FOSSIL)
- Protoconus, Genus Protoconus Yό, 1979 (CARINOPELTIDAE) (FOSSIL)
- protocrassus, Murex protocrassus (R. Houart, 1990) - (MURICIDAE)
- protocrassus, Promurex protocrassus R. Houart, 1990 - syn of: Murex protocrassus (R. Houart, 1990) - (MURICIDAE)
- protocrescens, Gyraulus protocrescens A. Nützel & K. Bandel, 1993 - (PLANORBIDAE)
- PROTOCULIDAE - syn of Family: PROTORCULIDAE (FOSSIL)
- Protocuspidaria, Genus Protocuspidaria J.A. Allen & R.E. Morgan, 1981 (PROTOCUSPIDARIIDAE)
- PROTOCUSPIDARIIDAE Scarlato & Starobogatov, 1983 - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-ANOMALODESMATA [Order]-CUSPIDARIOIDEA [Superfamily])
- Protocyclendoceras, Genus Protocyclendoceras (ENDOCERIDA (UNASSIGNED)) (FOSSIL)
- Protocycloceras, Genus Protocycloceras Hyatt & Zittel, 1900 (PROTOCYCLOCERATIDAE) (FOSSIL)
- PROTOCYCLOCERATIDAE Kobayashi, 1935 - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-ELLESMEROCERIDA [Order]) (FOSSIL)
- protocylindrica, Aliculastrum protocylindrica E.W. Vredenburg, 1925 † - (HAMINOEIDAE) (FOSSIL)
- Protocymbites, syn of: Genus Vermiceras Taylor, 1998 (ARIETITIDAE) (FOSSIL)
- Protocypraea, Subgenus Bernaya (Protocypraea) F.A. Schilder, 1927 (CYPRAEIDAE) (FOSSIL)
- Protocypraedia, Subgenus Cypraedia (Protocypraedia) Schilder, 1927 (OVULIDAE) (FOSSIL)
- Protocyprina, Genus Protocyprina Vokes, 1946 (NEOMIODONTIDAE) (FOSSIL)
- Protocyptendoceras, Genus Protocyptendoceras Cecioni , 1965 (PROTEROCAMEROCERATIDAE) (FOSSIL)
- Protodiceras, Genus Protodiceras Boehm, 1891 (PACHYRISMATIDAE) (FOSSIL)
- Protodidacna, Genus Protodidacna Logvinenko & Y.I. Starabogatov, 1966 (CARDIIDAE)
- Protodolium, Genus Protodolium Wilckens, 1922 (NERITOPSIDAE) (FOSSIL)
- Protodonax, Genus Protodonax Vokes, 1945 (DONACIDAE) (FOSSIL)
- Protodrepanostoma, Genus Protodrepanostoma Germain, 1929 (HELICODONTIDAE) (FOSSIL)
- protoduplicatum, Duplicaria protoduplicatum (Noetling, 1901 †) - (TEREBRIDAE) (FOSSIL)
- Protoecotrausites, syn of: Genus Protoecotraustes Spath, 1928 (HAPLOCERATIDAE) (FOSSIL)
- Protoecotraustes, Genus Protoecotraustes Spath, 1928 (HAPLOCERATIDAE) (FOSSIL)
- Protoelongata, Genus Protoelongata M. Herrmann, G. Stossier & R. Salisbury, 2014 (COSTELLARIIDAE)
- Protoendodonta, Genus Protoendodonta G.A. Solem, 1977 (ENDODONTIDAE)
- protofimbriata, Onoba protofimbriata W.F. Ponder & H.W. Worsfold, 1994 - (RISSOIDAE)
- Protoflammulina, Genus Protoflammulina F.M. Climo, 1971 (CHAROPIDAE)
- protoflexuosa, Hecuba protoflexuosa Noetling, 1901 - (DONACIDAE)
- protoforme, Ptychopteria protoforme Walcott, 1924 † - (PTERINEIDAE) (FOSSIL)
- protofunis, Eulimella protofunis (A. Peñas & E. Rolán, 1999) - (PYRAMIDELLIDAE)
- protofunis, Eulimella protofunis A. Peñas & E. Rolán, 1999 - syn of: Eulimella protofunis (A. Peñas & E. Rolán, 1999) - (PYRAMIDELLIDAE)
- protofurvus, Leptoconus protofurvus Noetling, 1901 † - (CONIDAE) (FOSSIL)
- Protofusus, Genus Protofusus Bonarelli, 1921 (PURPURINIDAE) (FOSSIL)
- protofusus, Tibia protofusus E.W. Vredenburg, 1928 † - (ROSTELLARIIDAE) (FOSSIL)
- protogaea, Naticopsis protogaea (G.A. Goldfuss, 1844 †) - (DELPHINULOPSIDAE) (FOSSIL)
- protogalea, Miralda protogalea Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- Protoginella, Genus Protoginella C.F. Laseron, 1957 (MARGINELLIDAE)
- protoglobosus, Chicomurex protoglobosus R. Houart, 1992 - (MURICIDAE)
- Protoglyptus, Genus Protoglyptus H.A. Pilsbry, 1897 (ORTHALICIDAE)
- Protogrammoceras, Genus Protogrammoceras Dubar, 1978 (HILDOCERATIDAE) (FOSSIL)
- Protohemichenopus, Genus Protohemichenopus Camacho, 1953 (APORRHAIDAE) (FOSSIL)
- Protoherilla, Genus Protoherilla A. Wagner, 1921 (CLAUSILIIDAE)
- Protohoplites, Genus Protohoplites Spath, 1923 (HOPLITIDAE) (FOSSIL)
- Protohyridella, Subgenus Hyridella (Protohyridella) B.C. Cotton & C.J. Gabriel, 1932 (HYRIIDAE)
- protoimbricata, Ostrea protoimbricata E.W. Vredenburg, 1928 † - (OSTREIDAE) (FOSSIL)
- protoinsularis, Rotadiscus protoinsularis F.M. Climo, 1990 - (CHAROPIDAE)
- protointerrupta, Drillia protointerrupta Noetling, 1901 † - (DRILLIIDAE) (FOSSIL)
- protojuvenilis, Dosinia protojuvenilis Noetling, 1901 † - (VENERIDAE) (FOSSIL)
- Protokionoceras, Genus Protokionoceras Grabau & Shimer, 1910 (GEISONOCERATIDAE) (FOSSIL)
- protoleiodon, Ptychodon protoleiodon F.M. Climo, 1978 - (CHAROPIDAE)
- protolineata, Opimilda protolineata C.F. Laseron, 1951 - syn of: Metaxia protolineata (C.F. Laseron, 1951) - (MATHILDIDAE)
- protolineata, Metaxia protolineata (C.F. Laseron, 1951) - (TRIPHORIDAE)
- Protolinitis, Genus Protolinitis Stanisic, 2010 (CAMAENIDAE)
- Protolira, Genus Protolira A. Warιn & P. Bouchet, 1993 (SKENEIDAE)
- Protolittoraria, syn of: Genus Littoraria E. Griffith & E. Pidgeon, 1834 (LITTORINIDAE)
- protolyra, Miratellina protolyra (Anderson, 1929 †) - (TELLINIDAE) (FOSSIL)
- Protoma, Genus Protoma W. Baird, 1870 (TURRITELLIDAE)
- Protomedea, syn of: Genus Limacina L.A.G. d'A. Bosc, 1817 (LIMACINIDAE)
- protomediterranea, Cochlespira protomediterranea B.M. Landau & al., 2013 † - (COCHLESPIRIDAE) (FOSSIL)
- Protomegalodon, Genus Protomegalodon Voskova, 1971 (MEGALODONTIDAE) (FOSSIL)
- Protomella, syn of: Genus Protoma W. Baird, 1870 (TURRITELLIDAE)
- protomicra, Spirochrysalis protomicra Pan, 1982 † - (COELOSTYLINIDAE) (FOSSIL)
- Protomiodon, Genus Protomiodon Anderson & Cox, 1948 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- Protomya, Genus Protomya Hall, 1885 (ANOMALODESMATA (UNASSIGNED)) (FOSSIL)
- protomyuros, Myurella protomyuros Noetling, 1901 † - (TEREBRIDAE) (FOSSIL)
- Protonema, Genus Protonema Cooke, 1928 (EULIMIDAE) (FOSSIL)
- Protonerita, Genus Protonerita Kittl, 1894 (NERITIDAE) (FOSSIL)
- protoneritoideus, Sinum protoneritoideus E.W. Vredenburg, 1928 † - (NATICIDAE) (FOSSIL)
- protonodifera, Clavatula protonodifera E.W. Vredenburg, 1921 † - (CLAVATULIDAE) (FOSSIL)
- Protonoetia, Genus Protonoetia MacNeil, 1938 (NOETIIDAE) (FOSSIL)
- protonotialis, Trochotoma protonotialis Ferrari & al., 2015 † - (TROCHOTOMIDAE) (FOSSIL)
- Protonucula, Genus Protonucula B.C. Cotton, 1930 (MALLETIIDAE)
- Protopalliolum, Genus Protopalliolum Sadykov, 1962 (PHOLADOMYOIDEA (UNASSIGNED)) (FOSSIL)
- protopapyracea, Clementia protopapyracea E.W. Vredenburg, 1928 † - (VENERIDAE) (FOSSIL)
- Protophaedusa, syn of: Genus Laeviphaedusa I.M. Likharev & Steklov, 1965 (CLAUSILIIDAE)
- protophilippinarum, Lamelliconcha protophilippinarum (Noetling, 1901 †) - (VENERIDAE) (FOSSIL)
- Protophites, Genus Protophites Bert, 2003 (OECOPTYCHIIDAE) (FOSSIL)
- Protophragmoceras, Genus Protophragmoceras Hyatt, 1900 (PHRAGMOCERATIDAE) (FOSSIL)
- Protopirula, syn of: Genus Ficus P.F. Rφding, 1798 (FICIDAE)
- Protopis, Genus Protopis Schnetzer, 1934 (MYTILIDAE) (FOSSIL)
- Protoplatytes, Genus Protoplatytes Cockerell , 1905 (GYMNITIDAE) (FOSSIL)
- Protopleurobema, Genus Protopleurobema Delvene & Araujo, 2009 (UNIONIDAE)
- Protopopanoceras, Genus Protopopanoceras Ruzhencev, 1938 (POPANOCERATIDAE) (FOSSIL)
- protopustulata, Onoba protopustulata W.F. Ponder & H.W. Worsfold, 1994 - (RISSOIDAE)
- protopygmaea, Melanopsis protopygmaea Halaváts, 1914 † - (MELANOPSIDAE) (FOSSIL)
- Protorcula, Genus Protorcula Kittl, 1894 (PROTORCULIDAE) (FOSSIL)
- PROTORCULIDAE Bandel, 1991 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-PERUNELOIDEA [Superfamily]) (FOSSIL)
- protoreevesii, Mactra protoreevesii Noetling, 1901 † - (MACTRIDAE) (FOSSIL)
- Protornoceras, Genus Protornoceras Dybczynski , 1913 (KIRSOCERATIDAE) (FOSSIL)
- Protorotella, Genus Protorotella J. Makiyama, 1924 (TROCHIDAE)
- protortile, Cryptaulax protortile L.R. Cox, 1965 † - (CRYPTAULACIDAE) (FOSSIL)
- protortile, Procerithium protortile A.E.M. Cossmann 1902 † - (PROCERITHIIDAE) (FOSSIL)
- Protorugosa, Genus Protorugosa J. Stanisic, 2010 (RHYTIDIDAE)
- Protosageceras, syn of: Genus Episageceras Noetling , 1904 (MEDLICOTTIIDAE) (FOSSIL)
- Protoscaevogyra, Genus Protoscaevogyra Kobayashi, 1939 (PELAGIELLIDAE) (FOSSIL)
- Protoscevogyra, syn of: Genus Protoscaevogyra Kobayashi, 1939 (PELAGIELLIDAE) (FOSSIL)
- Protoschizodus, Genus Protoschizodus de Verneuil & Murchison, 1844 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- protoscrobiculata, Lenwebbia protoscrobiculata J. Stanisic, 1990 - (CHAROPIDAE)
- Protospira, syn of: Genus Protospirialis Clarke, 1904 (HOLOPEIDAE) (FOSSIL)
- Protospirialis, Genus Protospirialis Clarke, 1904 (HOLOPEIDAE) (FOSSIL)
- Protostrea, Genus Protostrea Chen, 1976 (DIMYIDAE) (FOSSIL)
- protostriatula, Tellina protostriatula Noetling, 1901 † - (TELLINIDAE) (FOSSIL)
- Protostrioconus, Genus Protostrioconus J.K. Tucker & M.J. Tenorio, 2009 (CONIDAE)
- Protostylifera, Genus Protostylifera Koken, 1889 (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Protostylus, Genus Protostylus Mansuy, 1914 (PROCERITHIIDAE) (FOSSIL)
- protosubrugosum, Trachycardium protosubrugosum Noetling, 1901 † - (CARDIIDAE) (FOSSIL)
- Protosurcula, Genus Protosurcula Casey , 1904 (TURRIDAE) (FOSSIL)
- prototextorius, Aviculopecten prototextorius (L. Waagen, 1881 †) - (AVICULOPECTINIDAE) (FOSSIL)
- prototextorius, Pecten prototextorius L. Waagen, 1881 † - syn of: Aviculopecten prototextorius (L. Waagen, 1881 †) - (PECTINIDAE) (FOSSIL)
- Protothaca, syn of: Genus Leukoma A. Rφmer, 1857 (VENERIDAE)
- Protothurmannia, Genus Protothurmannia Crickmay, 1932 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Prototoceras, Genus Prototoceras Spath , 1930 (ARAXOCERATIDAE) (FOSSIL)
- Prototrachia, Genus Prototrachia G.A. Solem, 1984 (CAMAENIDAE)
- prototranquebaricus, Chlamys prototranquebaricus E.W. Vredenburg, 1928 † - (PECTINIDAE) (FOSSIL)
- prototranquebaricus paucicostatus, Chlamys prototranquebaricus paucicostatus E.W. Vredenburg, 1928 - (PECTINIDAE)
- Prototrivia, Genus Prototrivia F.A. Schilder, 1941 (TRIVIIDAE)
- Prototurbo, Genus Prototurbo Kase, 1984 (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Prototyphis, Genus Prototyphis W.F. Ponder, 1972 (MURICIDAE)
- prototypica, Bania prototypica (Š. Brusina, 1872 †) - (HYDROBIIDAE) (FOSSIL)
- prototypos, Spirulea prototypos F. Péron, 1807 - syn of: Spirula spirula (C. Linnaeus, 1758) - (SPIRULIDAE)
- prototypus, Conus prototypus Guppy, 1874 † - (CONIDAE) (FOSSIL)
- prototypus, Immersidens prototypus (H.A. Pilsbry, 1899) - (GASTROCOPTIDAE)
- prototypus, Orthalicus prototypus H.A. Pilsbry - (ORTHALICIDAE)
- prototypus, Spirula prototypus F. Péron, 1804 - syn of: Spirula spirula (C. Linnaeus, 1758) - (SPIRULIDAE)
- prototypus basidentata, Immersidens prototypus basidentata H.A. Pilsbry, 1916 - syn of: Immersidens prototypus (H.A. Pilsbry, 1899) - (GASTROCOPTIDAE)
- protovenulosa, Megangulus protovenulosa (S. Nomura, 1935 †) - (TELLINIDAE) (FOSSIL)
- protovermiculata, Eobania protovermiculata C.T. Trechmann, 1938 - syn of: Eobania vermiculata (O.F. Müller, 1774) - (HELICIDAE)
- Protovirgus, Genus Protovirgus McMichael, 1957 (UNIONELLIDAE) (FOSSIL)
- protovittatus, Unio protovittatus H.A. Hale & M.D. Tindale, 1930 - syn of: Velesunio ambiguus (R.A. Philippi, 1847) - (UNIONIDAE)
- Protowarthia, syn of: Genus Sinuites Koken, 1896 (SINUITIDAE) (FOSSIL)
- Protowenella, Genus Protowenella Runnegar & Jell, 1976 (HELCIONELLIDAE) (FOSSIL)
- Protoxyclymenia, Genus Protoxyclymenia Schindewolf , 1923 (KOSMOCLYMENIIDAE) (FOSSIL)
- Protoxylophaga, syn of: Genus Xylophaga W.H. Turton, 1822 (XYLOPHAGAIDAE)
- Protozigzagiceras, Genus Protozigzagiceras Fernandez-Lopez, Henriques & al., 2007 (PERISPHINCTIDAE) (FOSSIL)
- Protrachyceras, Genus Protrachyceras Mojsisovics , 1893 (TRACHYCERATIDAE) (FOSSIL)
- protracta, Acteocina protracta (P. Dautzenberg, 1889) - (ACTEOCINIDAE)
- protracta, Anadara protracta (W.B. Rogers & H.D. Rogers, 1837 †) - (ARCIDAE) (FOSSIL)
- protracta, Arca protracta T.A. Conrad, 1848 † - (ARCIDAE) (FOSSIL)
- protracta, Amphidromus pervariabilis protracta A.R.J.B. Bavay & P. Dautzenberg, 1909 - (CAMAENIDAE)
- protracta, Didacna protracta (K.E.I. von Eichwald, 1829) - (CARDIIDAE)
- protracta, Cardita protracta T.A. Conrad, 1843 † - (CARDITIDAE) (FOSSIL)
- protracta, Clausilia protracta C.A. Westerlund, 1901 - syn of: Quadriplicata aggesta (O. Böttger, 1878) - (CLAUSILIIDAE)
- protracta, Cylichna protracta Gould, 1859 - (CYLICHNIDAE)
- protracta, Erosaria protracta P. Dautzenberg, 1906 - syn of: Erosaria erosa (C. Linnaeus, 1758) - (CYPRAEIDAE)
- protracta, Donax roemeri protracta T.A. Conrad, 1849 - (DONACIDAE)
- protracta, Hydrobia protracta (K.E.I. von Eichwald, 1853 †) - (HYDROBIIDAE) (FOSSIL)
- protracta, Mitra protracta P.M. Pallary, 1900 - syn of: Mitra zonata F. Marryat, 1818 - (MITRIDAE)
- protracta, Euspira catena protracta (K.E.I. von Eichwald, 1830 †) - (NATICIDAE) (FOSSIL)
- protracta, Partula protracta D.M. Crampton, 1956 - (PARTULIDAE)
- protracta, Turbonilla protracta W.H. Dall, 1892 - syn of: Turbonilla ornata (A.V.M.D. D'Orbigny, 1840) - (PYRAMIDELLIDAE)
- protracta, Catinella protracta D.S. Franzen, 1983 - (SUCCINEIDAE)
- protracta, Vertigo protracta (C.L.F. von Sandberger, 1875 †) - (VERTIGINIDAE) (FOSSIL)
- protracta submedia, Didacna protracta submedia N.I. Andrusov, 1911 - (CARDIIDAE)
- protracta suevica, Vertigo protracta suevica F. Gottschick & W.A. Wenz, 1919 † - (VERTIGINIDAE) (FOSSIL)
- protractum, Celatoconus protractum (T.A. Conrad, 1843 †) - (BUCCINIDAE) (FOSSIL)
- protractum, Cerithium protractum Ant. Bivona-Bernardi in And. Bivona-Bernardi, 1838 - (CERITHIIDAE)
- protractum, Opisthosiphon protractum C. de la Torre & J. Henderson, 1920 - (POMATIIDAE)
- protractus, Badepigrus protractus (C. Hedley, 1904) - (ANABATHRIDAE)
- protractus, Drymaeus protractus L. Pfeiffer, 1855 - (BULIMULIDAE)
- protractus, Conus protractus Meyer, 1885 † - (CONIDAE) (FOSSIL)
- protractus, Latirus protractus (T.A. Conrad, 1848 †) - (FASCIOLARIIDAE) (FOSSIL)
- protractus, Coroceras protractus (Mojsisovics, 1875 †) - (LOBITIDAE) (FOSSIL)
- protractus, Musculus protractus W.H. Dall, 1916 - (MYTILIDAE)
- protractus, Polinices protractus (K.E.I. von Eichwald, 1853 †) - (NATICIDAE) (FOSSIL)
- protractus, Gonaxis protractus (A.A. Gould, 1856) - (STREPTAXIDAE)
- protractus, Unio protractus W.A. Lindholm, 1932 - syn of: Unio pictorum (C. Linnaeus, 1758) - (UNIONIDAE)
- protransenna, Paracomitas protransenna (P. Marshall & R. Murdoch, 1923 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- Protrigonia, Genus Protrigonia Guo Fu-xiang, 1985 (TRIGONIIDAE) (FOSSIL)
- protrigonostoma, Trigonostoma protrigonostoma F. Sacco, 1894 - (CANCELLARIIDAE)
- Protriloba, Genus Protriloba H. Nordsieck, 2014 (CLAUSILIIDAE) (FOSSIL)
- protrita, Margaritiphaedusa protrita (P.V. Gredler, 1887) - (CLAUSILIIDAE)
- protrita, Arcopsis protrita (J.F. Gmelin, 1791) - (NOETIIDAE)
- protrita, Arcopsis protrita T. Iredale, 1939 - syn of: Striarca symmetrica (L.A. Reeve, 1844) - (NOETIIDAE)
- protrita hunancola, Margaritiphaedusa protrita hunancola H. Nordsieck, 2001 - (CLAUSILIIDAE)
- Protropites, Genus Protropites Arthaber, 1911 (COLUMBITIDAE) (FOSSIL)
- protruberans, Pipadentalium protruberans E.K. Yoo, 1988 † - (LAEVIDENTALIIDAE) (FOSSIL)
- protruda, Montenegrina hiltrudae protruda E. Gittenberger, 2002 - (CLAUSILIIDAE)
- protrusidens, Nassarius protrusidens (J.C. Melvill, 1918) - (NASSARIIDAE)
- protrusus, Kleistoxyites protrusus S.S. Buckman, 1922 † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- Protuba, Genus Protuba Cossmann, 1912 (MATHILDIDAE) (FOSSIL)
- protuberata, Beddomeia protuberata W.F. Ponder & K.B. Clark, 1993 - (HYDROBIIDAE)
- protuberatus, Struthioptera protuberatus (Stanton, 1901 †) - (APORRHAIDAE) (FOSSIL)
- protumida, Cylichna protumida C. Hedley, 1903 - syn of: Retusa protumida (C. Hedley, 1903) - (CYLICHNIDAE)
- protumida, Candidula protumida É.A.A. Locard, 1899 - syn of: Candidula olissipensis (G. Servain, 1880) - (HYGROMIIDAE)
- protumida, Retusa protumida (C. Hedley, 1903) - (RETUSIDAE)
- protumida, Gibbula protumida É.A.A. Locard, 1886 - syn of: Gibbula magus (C. Linnaeus, 1758) - (TROCHIDAE)
- Protunio, Genus Protunio F. Haas, 1913 (UNIONIDAE)
- Proturboella, Genus Proturboella Conti & Fischer, 1984 (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Proturrilitoides, Genus Proturrilitoides Breistroffer, 1940 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- Proturritella, Genus Proturritella Koken, 1889 (LOPHOSPIRIDAE) (FOSSIL)
- Prouddenites, Genus Prouddenites Miller , 1930 (MEDLICOTTIIDAE) (FOSSIL)
- proumbilicata, Argalista proumbilicata Finlay, 1930 † - (COLLONIIDAE) (FOSSIL)
- prourceus, Pomacea prourceus K.J. Boss & J.J. Parodíz, 1977 - (AMPULLARIIDAE)
- prousei, Phacussa prousei A.W.B. Powell, 1952 - (CHAROPIDAE)
- prouseorum, Powelliphanta superba prouseorum (A.W.B. Powell, 1946) - (RHYTIDIDAE)
- proutana, Anematina proutana (J.W. Hall, 1856 †) - (ELASMONEMATIDAE) (FOSSIL)
- proutana, Holopea proutana J.W. Hall, 1856 † - syn of: Anematina proutana (J.W. Hall, 1856 †) - (HOLOPEIDAE) (FOSSIL)
- proutiana, Pleurotomaria proutiana Shumard, 1859 † - (PLEUROTOMARIIDAE) (FOSSIL)
- Provalenciennesia, Genus Provalenciennesia Gorjanovic-Kramberger, 1923 (LYMNAEIDAE) (FOSSIL)
- Provalenciennius, syn of: Genus Provalenciennesia Gorjanovic-Kramberger, 1923 (LYMNAEIDAE) (FOSSIL)
- Provanna, Genus Provanna W.H. Dall, 1918 (PROVANNIDAE)
- PROVANNIDAE Warιn & Ponder, 1991 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-ABYSSOCHRYSOIDEA [Superfamily])
- provannoides, Cordesia provannoides A. Warén & P. Bouchet, 2009 - (PROVANNIDAE)
- provaricosum, Cerithium provaricosum A.E.M. Cossmann & M.A. Peyrot, 1922 † - (CERITHIIDAE) (FOSSIL)
- provariecostata, Argalista provariecostata C.R. Laws, 1948 † - (COLLONIIDAE) (FOSSIL)
- provecta, Bullia provecta C. Beets, 1942 † - (NASSARIIDAE) (FOSSIL)
- provecta, Woodwardia provecta C. Beets, 1943 - syn of: Sinezona plicata (C. Hedley, 1899) - (SCISSURELLIDAE)
- provecta, Austrocardilanx provecta Gardner, 2005 † - (VENERIDAE) (FOSSIL)
- provencalis, Fusinus provencalis A. Risso, 1826 - syn of: Fusinus rostratus (A.G. Olivi, 1792) - (FASCIOLARIIDAE)
- provencialis, Arctica provencialis † - (ARCTICIDAE) (FOSSIL)
- provencialis, Fusinus provencialis H.M.D. de Blainville, 1829 - syn of: Fusinus rostratus (A.G. Olivi, 1792) - (FASCIOLARIIDAE)
- Proveniella, Genus Proveniella Casey, 1952 (ARCTICIDAE) (FOSSIL)
- proventa, Eulimella proventa A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- Provermicularia, Genus Provermicularia Kittl , 1899 (EULIMIDAE) (FOSSIL)
- Provexillum, syn of: Genus Vexilla W.J. Swainson, 1840 (MURICIDAE)
- provida, Abida provida C.A. Westerlund, 1902 - syn of: Abida pyrenaearia vergniesiana (H.C. Küster, 1847) - (CHONDRINIDAE)
- providecensis, Fasciculiconcha providecensis Cox, 1857 † - syn of: Fasciculiconcha providencensis (Cox, 1857 †) - (PECTINIDA (unassigned)) (FOSSIL)
- providencensis, Fasciculiconcha providencensis (Cox, 1857 †) - (PECTINIDA (UNASSIGNED)) (FOSSIL)
- providencialense, Chondropoma providencialense P. Bartsch, 1946 - (POMATIIDAE)
- providens, Pruvotina providens K.H.J. Thiele, 1913 - (PRUVOTINIDAE)
- providensis, Gadila providensis (J. Henderson, 1920) - (GADILIDAE)
- providentiae, Ascetostoma providentiae (J.C. Melvill, 1909) - (CHILODONTIDAE)
- providentiae, Euchelus providentiae J.C. Melvill, 1909 - syn of: Ascetostoma providentiae (J.C. Melvill, 1909) - (CHILODONTIDAE)
- providentiae, Herpetopoma providentiae J.C. Melvill, 1909 - syn of: Ascetostoma providentiae (J.C. Melvill, 1909) - (CHILODONTIDAE)
- providentiae, Tristramia fasciata providentiae H.A. Pilsbry, 1930 - (HELICINIDAE)
- providentiae, Clanculus providentiae (J.C. Melvill, 1909) - (TROCHIDAE)
- providentialis, Hebetancylus providentialis C.B. Wurtz, 1951 - (PLANORBIDAE)
- providentialis, Opisthosiphon alleni providentialis P. Bartsch, 1946 - (POMATIIDAE)
- providentius, Microceramus providentius (H.A. Pilsbry, 1904) - (UROCOPTIDAE)
- provignyi, Gastrochaena provignyi G.P. Deshayes, 1824 † - (GASTROCHAENIDAE) (FOSSIL)
- provinciale, Pseudocrioceras provinciale (Matheron, 1880 †) - (ANCYLOCERATIDAE) (FOSSIL)
- provinciale, Cerithium provinciale É.A.A. Locard, 1886 - syn of: Cerithium vulgatum J.G. Bruguière, 1792 - (CERITHIIDAE)
- provinciale lusitanicum, Cerithium provinciale lusitanicum F. Nordsieck, 1974 - syn of: Cerithium vulgatum J.G. Bruguière, 1792 - (CERITHIIDAE)
- provincialis, Ceratosiphon provincialis (A.V.M.D. D'Orbigny, 1843 †) - (APORRHAIDAE) (FOSSIL)
- provincialis, Galeodea provincialis A. Martin, 1851 - syn of: Galeodea echinophora (C. Linnaeus, 1758) - (CASSIDAE)
- provincialis, Clausilia rugosa provincialis G. Coutagne, 1886 - (CLAUSILIIDAE)
- provincialis, Zonarina provincialis (Matheron, 1842 †) - (CYPRAEIDAE) (FOSSIL)
- provincialis, Ficus provincialis A. Martin, 1851 - syn of: Galeodea echinophora (C. Linnaeus, 1758) - (FICIDAE)
- provincialis, Murella muralis provincialis (L. Benoit, 1857) - (HELICIDAE)
- provincialis, Belgrandiella provincialis (H.D. Boeters, 2000) - (HYDROBIIDAE)
- provincialis, Milax provincialis G. Coutagne, 1886 - syn of: Milax nigricans (R.A. Philippi, 1836) - (MILACIDAE)
- provincialis, Neohoploceras provincialis (G. Sayn, 1907 †) - (NEOCOMITIDAE) (FOSSIL)
- provincialis, Mytiloceramus provincialis Koschelkina, 1969 † - syn of: Retroceramus provincialis (Koschelkina, 1969 †) - (PTERIIDA (unassigned)) (FOSSIL)
- provincialis, Gerhardtia provincialis (A.V.M.D. D'Orbigny, 1850 †) - (PULCHELLIIDAE) (FOSSIL)
- provincialis, Retroceramus provincialis (Koschelkina, 1969 †) - (RETROCERAMIDAE) (FOSSIL)
- provincialis, Rostellaria provincialis A.V.M.D. D'Orbigny, 1843 † - syn of: Ceratosiphon provincialis (A.V.M.D. D'Orbigny, 1843 †) - (ROSTELLARIIDAE) (FOSSIL)
- Provirgatites, Genus Provirgatites Lewinski, 1923 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- provisoria, Zachrysia provisoria (L. Pfeiffer, 1858) - (CAMAENIDAE)
- provisoria, Bathyptychia provisoria (P.V. Gredler, 1888) - (CLAUSILIIDAE)
- provisorium, Astralium provisorium (M.M. Schepman, 1903) - (TURBINIDAE)
- Provitrina, Genus Provitrina W.A. Wenz, 1919 (VITRINIDAE)
- Provittoida, Subgenus Neritina (Provittoida) F.C. Baker, 1923 (NERITIDAE)
- Provittoidae, Subgenus Neritina (Provittoidae) Baker, 1923 (NERITIDAE) (FOSSIL)
- Provittoidea, syn of: Subgenus Neritina (Provittoida) F.C. Baker, 1923 (NERITIDAE)
- provocationis, Cymbiola provocationis (D.F. McMichael, 1961) - (VOLUTIDAE)
- Provocator, Genus Provocator R.B. Watson, 1882 (VOLUTIDAE)
- provocator, Provocator provocator G.B. III Sowerby, 1887 - syn of: Provocator pulcher R.B. Watson, 1882 - (VOLUTIDAE)
- Provolibathra, Genus Provolibathra Kollmann, 2005 (CERITHIIDAE) (FOSSIL)
- provoluta, Neilonella provoluta (R.K. Dell, 1950 †) - (NEILONELLIDAE) (FOSSIL)
- provosti, Gibbula provosti B.M. Landau, L. Ceulemans & F. Van Dingenen, 2016 † - (TROCHIDAE) (FOSSIL)
- provulgata, Nassa provulgata P. Fischer, 1891 - syn of: Nassarius livescens (R.A. Philippi, 1849) - (NASSARIIDAE)
- Proxenula, syn of: Genus Crepidula J.B.P.A. Lamarck, 1799 (CALYPTRAEIDAE)
- Proxicharonia, syn of: Genus Sassia L.M.D. Bellardi, 1873 (RANELLIDAE)
- Proxichione, Genus Proxichione T. Iredale, 1929 (VENERIDAE)
- proxima, Partulina proxima W.H. Pease, 1862 - (ACHATINELLIDAE)
- proxima, Celticola pilsbryi proxima C.M. Cooke & Y. Kondo, 1960 - (ACHATINELLIDAE)
- proxima, Ampullina lorierei proxima W.H. Hudleston, 1882 † - (AMPULLINIDAE) (FOSSIL)
- proxima, Anatoma proxima (W.H. Dall, 1927) - (ANATOMIDAE)
- proxima, Carbonicola proxima Eager, 1953 † - (ANTHRACOSIIDAE) (FOSSIL)
- proxima, Archinacella proxima J. Perner, 1903 † - syn of: Archinacellina modesta (J. Perner, 1903 †) - (ARCHINACELLIDAE) (FOSSIL)
- proxima, Arca proxima Dufour, 1881 † - (ARCIDAE) (FOSSIL)
- proxima, Bithynia proxima G.R. von Frauenfeld, 1862 - syn of: Opisthorchophorus baudonianus (J. Gassies, 1859) - (BITHYNIIDAE)
- proxima, Aegista proxima H.A. Pilsbry & Y. Hirase, 1909 - (BRADYBAENIDAE)
- proxima, Searlesia proxima Harmer † - (BUCCINIDAE) (FOSSIL)
- proxima, Planispira proxima (A.E.J. Férussac, 1832) - (CAMAENIDAE)
- proxima, Prolixodens proxima A. Cecalupo & I. Perugia, 2014 - (CERITHIOPSIDAE)
- proxima, Sinployea proxima (A. Garrett, 1872) - (CHAROPIDAE)
- proxima, Medora proxima (R. Walderdorff, 1864) - (CLAUSILIIDAE)
- proxima, Alopia canescens proxima M. von Kimakowicz, 1894 - (CLAUSILIIDAE)
- proxima, Clionella proxima W.H. Turton, 1932 - syn of: Clionella rosaria (L.A. Reeve, 1846) - (CLAVATULIDAE)
- proxima, Costellaria proxima G. Nevill, 1875 - syn of: Vexillum virgo (C. Linnaeus, 1767) - (COSTELLARIIDAE)
- proxima, Cylichna proxima A. Adams, 1862 - (CYLICHNIDAE)
- proxima, Polymesoda proxima (T. Prime, 1867) - (CYRENIDAE)
- proxima, Eulima proxima G.B. II Sowerby, 1866 - syn of: Melanella augur (G.F. Angas, 1865) - (EULIMIDAE)
- proxima, Melanella proxima G.B. II Sowerby, 1866 - syn of: Melanella augur (G.F. Angas, 1865) - (EULIMIDAE)
- proxima, Amphiscapha proxima E.L. Yochelson, 1956 † - (EUOMPHALIDAE) (FOSSIL)
- proxima, Diodora proxima G.B. Sowerby, 1862 - (FISSURELLIDAE)
- proxima, Gosseletina proxima de Koninck, 1883 † - syn of: Gosseletina portlockiana (de Koninck, 1844 †) - (GOSSELETINIDAE) (FOSSIL)
- proxima, Helix proxima A.E.J. Férussac, 1832 - syn of: Planispira proxima (A.E.J. Férussac, 1832) - (HELICIDAE)
- proxima, Helicina proxima J. Gundlach in F. Poey - syn of: Alcadia minima (A.V.M.D. D'Orbigny, 1842) - (HELICINIDAE)
- proxima, Pseudamnicola proxima (A. Fuchs, 1870 †) - (HYDROBIIDAE) (FOSSIL)
- proxima, Helicella proxima A.E.J. Férussac, 1832 - syn of: Planispira proxima (A.E.J. Férussac, 1832) - (HYGROMIIDAE)
- proxima, Ceratia proxima (E. Forbes & S.C.T. Hanley, 1850) - (IRAVADIIDAE)
- proxima, Erycina proxima L. de Folin, 1867 - syn of: Kellia suborbicularis (G. Montagu, 1803) - (LASAEIDAE)
- proxima, Saxolucina proxima (G.P. Deshayes, 1857 †) - (LUCINIDAE) (FOSSIL)
- proxima, Stagnicola proxima I. Lea, 1856 - (LYMNAEIDAE)
- proxima, Bela proxima (G. Cocconi, 1873 †) - (MANGELIIDAE) (FOSSIL)
- proxima, Myadora proxima E.A. Smith, 1881 - syn of: Myadora fluctuosa A.A. Gould, 1861 - (MYOCHAMIDAE)
- proxima, Nassa proxima A. Adams, 1852 - syn of: Phrontis versicolor (C.B. Adams, 1852) - (NASSARIIDAE)
- proxima, Natica proxima C.B. Adams, 1852 - syn of: Natica marochiensis (J.F. Gmelin, 1791) - (NATICIDAE)
- proxima, Nerita proxima G.B. Sowerby, 1903 - syn of: Nerita undata C. Linnaeus, 1758 - (NERITIDAE)
- proxima, Nucula proxima T. Say, 1820 - (NUCULIDAE)
- proxima, Varicella proxima (C.B. Adams, 1851) - (OLEACINIDAE)
- proxima, Onchidoris proxima (J. Alder & A. Hancock, 1854) - (ONCHIDORIDIDAE)
- proxima, Adalaria proxima (J. Alder & A. Hancock, 1854) - syn of: Onchidoris proxima (J. Alder & A. Hancock, 1854) - (ONCHIDORIDIDAE)
- proxima, Pyropsis proxima B. Wade, 1926 † - (PERISSITYIDAE) (FOSSIL)
- proxima, Anculosa proxima T. Say, 1825 - (PLEUROCERIDAE)
- proxima, Ashmunella proxima H.A. Pilsbry, 1905 - (POLYGYRIDAE)
- proxima, Parachondria fascia proxima (C.B. Adams, 1849) - (POMATIIDAE)
- proxima, Sanguinolaria proxima W.H. Turton, 1932 - syn of: Hiatula capensis (G.B. III Sowerby, 1889) - (PSAMMOBIIDAE)
- proxima, Gari proxima W.H. Turton, 1932 - syn of: Hiatula capensis (G.B. III Sowerby, 1889) - (PSAMMOBIIDAE)
- proxima, Syrnola proxima A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- proxima, Odostomia proxima (L. de Folin, 1872) - (PYRAMIDELLIDAE)
- proxima, Syrnola proxima B. Wade 1926 - (PYRAMIDELLIDAE)
- proxima, Daphnella proxima K. Oyama & Y. Takemura, 1958 - (RAPHITOMIDAE)
- proxima, Onoba proxima G.O. Sars, 1878 - syn of: Onoba aculeus (Gould, 1841) - (RISSOIDAE)
- proxima, Rissoa proxima E. Forbes & S.C.T. Hanley, 1850 - syn of: Ceratia proxima (E. Forbes & S.C.T. Hanley, 1850) - (RISSOIDAE)
- proxima, Phosinella allanae proxima (C.F. Laseron, 1956) - (RISSOINIDAE)
- proxima, Scissurella proxima W.H. Dall, 1927 - syn of: Anatoma proxima (W.H. Dall, 1927) - (SCISSURELLIDAE)
- proxima, Skenea proxima (G.W. Tryon, 1888) - (SKENEIDAE)
- proxima, Plectosolen proxima (G.P. Deshayes, 1856 †) - (SOLENIDAE) (FOSSIL)
- proxima, Sportella proxima (G.P. Deshayes, 1857 †) - (SPORTELLIDAE) (FOSSIL)
- proxima, Tellina proxima G.B. Sowerby, 1839 - syn of: Macoma calcarea (J.F. Gmelin, 1792) - (TELLINIDAE)
- proxima, Thysanophora proxima H.A. Pilsbry, 1899 - (THYSANOPHORIDAE)
- proxima, Vitrinella proxima H.A. Pilsbry & A.A. Olsson, 1952 - (TORNIDAE)
- proxima, Archinacellina proxima J. Perner, 1903 † - syn of: Archinacellina modesta (J. Perner, 1903 †) - (TRYBLIDIIDAE) (FOSSIL)
- proxima, Fusimilis proxima B. Wade, 1926 † - (TURRIDAE) (FOSSIL)
- proxima, Gongylostoma proxima C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- proxima, Microcallista proxima (G.P. Deshayes, 1857 †) - (VENERIDAE) (FOSSIL)
- proxima angulata, Ashmunella proxima angulata H.A. Pilsbry, 1905 - (POLYGYRIDAE)
- proxima emigrans, Ashmunella proxima emigrans H.A. Pilsbry, 1910 - (POLYGYRIDAE)
- proxima fissidens, Ashmunella proxima fissidens H.A. Pilsbry, 1905 - (POLYGYRIDAE)
- proxima lepiderma, Ashmunella proxima lepiderma H.A. Pilsbry & J.H. Ferriss, 1910 - (POLYGYRIDAE)
- proxima ovata, Nucula proxima ovata A.E. Verrill & K.J. Bush, 1898 - syn of: Nucula proxima T. Say, 1820 - (NUCULIDAE)
- proxima remota, Medora proxima remota (W. Polinski, 1924) - (CLAUSILIIDAE)
- proxima schauinslandi, Partulina proxima schauinslandi F. Borcherding, 1906 - (ACHATINELLIDAE)
- proxima secunda, Saxolucina proxima secunda (G.P. Deshayes, 1857 †) - (LUCINIDAE) (FOSSIL)
- proxima sparnacen, Saxolucina proxima sparnacen (G.P. Deshayes, 1857 †) - (LUCINIDAE) (FOSSIL)
- proxima truncula, Nucula proxima truncula W.H. Dall, 1898 - syn of: Nucula proxima T. Say, 1820 - (NUCULIDAE)
- proximata, Nesiohelix omphalina proximata J.T. Kuroda & S. Emura, 1943 - (BRADYBAENIDAE)
- proximitatis, Pyrgulina proximitatis Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- Proximitra, Genus Proximitra Finlay, 1926 (MITRIDAE) (FOSSIL)
- proximoides, Pseudamnicola proximoides (G. Capellini, 1880 †) - (HYDROBIIDAE) (FOSSIL)
- proximum, Cardium proximum Dufour, 1881 † - (CARDIIDAE) (FOSSIL)
- proximum, Epitonium proximum (K.H.J. Thiele, 1925) - (EPITONIIDAE)
- proximum, Cyclostrema proximum G.W. Tryon, 1888 - syn of: Skenea basistriata (J.G. Jeffreys, 1877) - (LIOTIIDAE)
- proximum, Pseudocenoceras proximum Shimansky, 1975 † - (NAUTILIDAE) (FOSSIL)
- proximum, Semele proximum C.B. Adams, 1852 - syn of: Semele flavescens (A.A. Gould, 1851) - (SEMELIDAE)
- proximum, Pisidium proximum V. Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- proximus, Stenothecoides proximus Koneva, 1979 † - (CAMBRIDIIDAE) (FOSSIL)
- proximus, Euchelus proximus A. Adams, 1855 - syn of: Euchelus circulatus (H.E. Anton, 1849) - (CHILODONTIDAE)
- proximus, Yvesgalleticeras proximus Zakharov & Smyshlyaeva, 2016 † - (COLUMBITIDAE) (FOSSIL)
- proximus, Phasmoconus proximus (G.B. II Sowerby, 1860) - (CONIDAE)
- proximus, Inoceramus proximus M. Tuomey, 1854 † - (INOCERAMIDAE) (FOSSIL)
- proximus, Megalobulimus terrestris proximus (G.B. Sowerby, 1838) - (MEGALOBULIMIDAE)
- proximus, Mesopeplum proximus H.F.A. von Ihering, 1897 † - (PECTINIDAE) (FOSSIL)
- proximus, Torquatisphinctes proximus Steuer, 1897 † - (PERISPHINCTIDAE) (FOSSIL)
- proximus, Strombus proximus J. de C. Sowerby, 1850 † - (STROMBIDAE) (FOSSIL)
- proximus, Monodosus proximus Rubio & Rolán, 2016 - (TORNIDAE)
- proximus, Unio proximus I. Lea, 1852 - syn of: Villosa lienosa (T.A. Conrad, 1834) - (UNIONIDAE)
- proximus cebuensis, Phasmoconus proximus cebuensis E. Wils, 1990 - syn of: Phasmoconus cebuensis E. Wils, 1990 - (CONIDAE)
- Proxiuber, Genus Proxiuber A. Powell, 1933 (NATICIDAE)
- Proxoliva, Subgenus Oliva (Proxoliva) E.J. Petuch & D.M. Sargent, 1986 (OLIVIDAE)
- Prozaptyx, Subgenus Zaptyx (Prozaptyx) F.E. Loosjes, 1950 (CLAUSILIIDAE)
- prozlatarici, Theodoxus prozlatarici E. Jekelius, 1944 † - (NERITIDAE) (FOSSIL)
- Prozonaria, Genus Prozonaria Schilder , 1941 (CYPRAEIDAE) (FOSSIL)
- Prozonarina, Subgenus Zonarina (Prozonarina) F.A. Schilder, 1941 (CYPRAEIDAE) (FOSSIL)
- prozorovae, Dahurinaia prozorovae V.V. Bogatov & al., 2003 - syn of: Margaritifera dahurica (A.T. von Middendorff, 1850) - (MARGARITIFERIDAE)
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