- prea, Sclerodoris prea (Er. Marcus & Ev. Marcus, 1967) - (DISCODORIDIDAE)
- prea, Atagema prea Er. Marcus & Ev. Marcus, 1967 - syn of: Sclerodoris prea (Er. Marcus & Ev. Marcus, 1967) - (DISCODORIDIDAE)
- Preacanthochiton, syn of: Genus Chelodes Davidson & King, 1874 (MATTHEVIIDAE) (FOSSIL)
- PREACANTHOCHITONIDAE Bergenhayn, 1960 - Family (POLYPLACOPHORA-PALEOLORICATA [Subclass]) (FOSSIL)
- preacuatus, Ozarkoconus preacuatus J. Heller, 1954 † - (HYPSELOCONIDAE) (FOSSIL)
- prealpina, Cecilioides prealpina E. Caziot, 1909 - syn of: Cecilioides acicula (O.F. Müller, 1774) - (FERUSSACIIDAE)
- preangerensis, Anadara preangerensis K. Martin, 1910 † - (ARCIDAE) (FOSSIL)
- preangerensis, Clypeomorus preangerensis Martin, 1899 † - (CERITHIIDAE) (FOSSIL)
- preangerensis, Conomodulus preangerensis (K. Martin, 1905 †) - (MODULIDAE) (FOSSIL)
- preangerensis, Cymia preangerensis Martin, 1899 † - (MURICIDAE) (FOSSIL)
- preangerensis, Cerithideopsilla preangerensis (Martin, 1899 †) - (POTAMIDIDAE) (FOSSIL)
- preangerensis, Tarebia preangerensis Martin, 1905 † - (THIARIDAE) (FOSSIL)
- Preangeria, Genus Preangeria K. Martin, 1921 (BUCCINIDAE)
- prearcuatus, Ozarkocanus prearcuatus J. Heller, 1956 † - (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- prearcuatus, Ozarkoconus prearcuatus J. Heller, 1954 † - (HYPSELOCONIDAE) (FOSSIL)
- preatratum, Cerithium preatratum A.A. Olsson & A. Harbison, 1953 - syn of: Cerithium atratum (I. von Born, 1778) - (CERITHIIDAE)
- preaturi, Aturia preaturi Cuvillier, 1935 † - syn of: Aturia rovasendiana C.F. Parona, 1898 † - (ATURIIDAE) (FOSSIL)
- preauxi, Trochoidea preauxi J.D.W. Hartmann, 1843 - syn of: Obelus despreauxii (A.V.M.D. D'Orbigny, 1839) - (HYGROMIIDAE)
- prebetica, Offneria prebetica Masse & al., 2015 † - (CAPRINIDAE) (FOSSIL)
- preblei, Stagnicola catascopium preblei W.H. Dall, 1905 - (LYMNAEIDAE)
- preblei, Planorbella pilsbryi preblei H.B. Baker, 1945 - (PLANORBIDAE)
- precancellatus, Conus precancellatus F.S. MacNeil, 1960 † - (CONIDAE) (FOSSIL)
- prechiquita, Ctena prechiquita Fischer, 1986 † - (LUCINIDAE) (FOSSIL)
- preciosa, Heikea preciosa Isberg, 1934 † - (CYRTODONTIDAE) (FOSSIL)
- preciosa, Doris preciosa E.F. Kelaart, 1858 - syn of: Goniobranchus preciosus (E.F. Kelaart, 1858) - (DORIDIDAE)
- preciosus, Goniobranchus preciosus (E.F. Kelaart, 1858) - (CHROMODORIDIDAE)
- precipitata, Alvania precipitata (W.H. Dall, 1889) - (RISSOIDAE)
- preclara, Phymatopleura preclara Hoare & al., 1997 † - (PHYMATOPLEURIDAE) (FOSSIL)
- preclara, Beretra preclara N.F. Sohl, 1964 † - (TURRIDAE) (FOSSIL)
- preconica, Littorina preconica S. Smith, 1860 - syn of: Littorina obtusata (C. Linnaeus, 1758) - (LITTORINIDAE)
- precontejeani, Aulacostephanus precontejeani Borrelli, 2014 † - (AULACOSTEPHANIDAE) (FOSSIL)
- precordium, Lunanoceras precordium C. Chen & Z. Qi, 1979 † - (PLECTRONOCERATIDAE) (FOSSIL)
- precoupei, Arrhaphoceras precoupei Spath † - (HOPLITIDAE) (FOSSIL)
- precraiovensis, Viviparus precraiovensis Lubenescu & Zazuleac, 1985 † - (VIVIPARIDAE) (FOSSIL)
- precrassispina, Crioceras precrassispina G.F. Roch, 1930 † - syn of: Paraspiticeras precrassispina (G.F. Roch, 1930 †) - (CRIOCERATITIDAE) (FOSSIL)
- precrassispina, Paraspiticeras precrassispina (G.F. Roch, 1930 †) - (EMERICICERATIDAE) (FOSSIL)
- precursa, Aphanaia precursa González & C.O. Waterhouse, 2012 † - (ATOMODESMATIDAE) (FOSSIL)
- precursor, Phenatoma precursor Powell, 1942 † - (BORSONIIDAE) (FOSSIL)
- precursor, Austrofusus precursor Finlay, 1924 † - (BUCCINIDAE) (FOSSIL)
- precursor, Spisula precursor W.H. Dall, 1909 † - (MACTRIDAE) (FOSSIL)
- precursor, Microspira precursor W.H. Dall, 1890 † - (MARGINELLIDAE) (FOSSIL)
- precursor, Typhina precursor A.M. Keen & G.B. Campbell, 1964 † - (MURICIDAE) (FOSSIL)
- precursor, Naticarius precursor Gardner, 1947 † - (NATICIDAE) (FOSSIL)
- precursor, Cyphoma precursor W.H. Dall, 1897 - syn of: Cyphoma gibbosum (C. Linnaeus, 1758) - (OVULIDAE)
- precursor, Astraea precursor (W.H. Dall, 1892 †) - (TURBINIDAE) (FOSSIL)
- precursor, Valvata precursor F.C. Baker, 1929 - (VALVATIDAE)
- precuspidata, Cuspidaria precuspidata Gillet & W. Theobald, 1936 † - (CUSPIDARIIDAE) (FOSSIL)
- Precuthona, syn of: Genus Cuthona J. Alder & A. Hancock, 1855 (FIONIDAE)
- predicta, Punctum predicta T. Iredale, 1939 - (PUNCTIDAE)
- predistorta, Nicema predistorta E.S. Marks, 1951 † - (PSEUDOLIVIDAE) (FOSSIL)
- preecei, Rillyarex preecei H. Nordsieck, 1985 † - (CLAUSILIIDAE) (FOSSIL)
- prefasii, Turbonilla prefasii A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- prefestivus, Nassarius prefestivus F.S. MacNeil, 1960 † - syn of: Reticunassa festiva (W.L. Powys, 1835) - (NASSARIIDAE) (FOSSIL)
- prefloralia, Olivella prefloralia A.A. Olsson & A. Harbison, 1953 † - (OLIVELLIDAE) (FOSSIL)
- Preflorianites, Genus Preflorianites Renz & Renz, 1948 (KASHMIRITIDAE) (FOSSIL)
- Preflorianitoides, Genus Preflorianitoides Wang Yikang, 1978 (MEEKOCERATIDAE) (FOSSIL)
- prefragilis, Inoceramus prefragilis L.W. Stephenson, 1952 † - (INOCERAMIDAE) (FOSSIL)
- pregenitor, Murexsul pregenitor C.R. Laws, 1935 † - (MURICIDAE) (FOSSIL)
- preglyptus, Aequipecten preglyptus A.A. Olsson, 1922 † - (PECTINIDAE) (FOSSIL)
- pregmelini, Caspia pregmelini (Gillet & Geissert, 1971 †) - (HYDROBIIDAE) (FOSSIL)
- pregnans, Projenneria pregnans (Gregorio, 1880 †) - (PEDICULARIIDAE) (FOSSIL)
- pregorei, Crendonites pregorei Spath † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- prehexagonum, Epitonium prehexagonum A.M. Strong, 1945 - syn of: Epitonium hexagonum (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- Prehoffmannia, Genus Prehoffmannia Plummer & Scott, 1937 (THALASSOCERATIDAE) (FOSSIL)
- preissiana, Pecten preissiana T. Iredale, 1949 - syn of: Pecten fumatus L.A. Reeve, 1852 - (PECTINIDAE)
- preissiana, Notogibbula preissiana (R.A. Philippi, 1848) - (TROCHIDAE)
- preissii, Megacardita preissii (K.T. Menke, 1843) - (CARDITIDAE)
- prejujubinum, Calliostoma prejujubinum A.A. Olsson & A. Harbison, 1953 - syn of: Calliostoma jujubinum (J.F. Gmelin, 1791) - (CALLIOSTOMATIDAE)
- prekalense, Cochlostoma roseoli prekalense (W. Polinski, 1924) - (COCHLOSTOMATIDAE)
- prelaevigata, Turbinella prelaevigata E.H. Vokes, 1966 † - (TURBINELLIDAE) (FOSSIL)
- Prelametila, Genus Prelametila Allen & Sanders, 1973 (LAMETILIDAE)
- prelintea, Sconsia prelintea McNeil, 1984 † - (CASSIDAE) (FOSSIL)
- prelleana, Horologica prelleana A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- prellei, Euplica prellei T. Cossignani, 2005 - syn of: Euplica festiva (G.P. Deshayes in E.S.J.L. de Laborde & M. Linant, 1834) - (COLUMBELLIDAE)
- prellei, Exilia hilgendorfi prellei L. Bozzetti, 2000 - (PTYCHATRACTIDAE)
- prelonga, Papuliscala prelonga J.G. Jeffreys, 1877 - syn of: Papuliscala praelonga (J.G. Jeffreys, 1877) - (NYSTIELLIDAE)
- prelonga, Anodonta prelonga C.S. Rafinesque, 1832 - syn of: Hemistena lata C.S. Rafinesque, 1820 - (UNIONIDAE)
- preluchuana, Peristernia preluchuana F.S. MacNeil, 1960 † - (FASCIOLARIIDAE) (FOSSIL)
- prematurum, Tarphyceras prematurum A. Hyatt, 1894 † - (TARPHYCERATIDAE) (FOSSIL)
- premekranica, Turbinella premekranica E.W. Vredenburg, 1925 † - (TURBINELLIDAE) (FOSSIL)
- premelvilli, Alipta premelvilli F.S. MacNeil, 1960 † - (CERITHIOPSIDAE) (FOSSIL)
- premeris, Diala premeris C.F. Laseron, 1956 - syn of: Diala sulcifera (A. Adams, 1862) - (DIALIDAE)
- premeslerianum, Girtyoceras premeslerianum Moore, 1946 † - (GIRTYOCERATIDAE) (FOSSIL)
- premimetes, Turritella premimetes McNeil, 1984 † - (TURRITELLIDAE) (FOSSIL)
- premolicus, Neocomites premolicus G. Sayn, 1907 † - (NEOCOMITIDAE) (FOSSIL)
- premorra, Crassispira premorra (W.H. Dall, 1889) - (PSEUDOMELATOMIDAE)
- prenanti, Kalidos prenanti E. Fischer-Piette, Ch.P. Blanc, F. Blanc & F. Salvat, 1994 - (ARIOPHANTIDAE)
- prenanum, Idioraphe prenanum B. Wade, 1926 † - (TORNIDAE) (FOSSIL)
- prenasuta, Caryocorbula prenasuta A.A. Olsson, 1964 † - (CORBULIDAE) (FOSSIL)
- prendergasti, Archinacella prendergasti Reed, 1906 † - (ARCHINACELLIDAE) (FOSSIL)
- prendrevillei, Zemacies prendrevillei J. Marwick, 1928 † - (BORSONIIDAE) (FOSSIL)
- prendrevillei, Scissurella prendrevillei A.W.B. Powell, 1933 - (SCISSURELLIDAE)
- prenitida, Eupleura prenitida E.H. Vokes, 1989 - (MURICIDAE)
- prenjensis, Medora macascarensis prenjensis (A.J. Wagner, 1918) - (CLAUSILIIDAE)
- Prenkites, Genus Prenkites Arthaber , 1911 (COLUMBITIDAE) (FOSSIL)
- prensa, Helicarion prensa T. Iredale, 1944 - (HELICARIONIDAE)
- prenuncia, Turritella prenuncia E.M. Spieker, 1922 † - (TURRITELLIDAE) (FOSSIL)
- preoccupatus, Persististrombus preoccupatus (C.C. Finlay, 1927 †) - (STROMBIDAE) (FOSSIL)
- prepagoda, Levifusus pagodiformis prepagoda K.V.W. Palmer, 1937 † - (ECHINOFULGURIDAE) (FOSSIL)
- prephina, Anadara prephina (W.P. Woodring, 1925 †) - (ARCIDAE) (FOSSIL)
- prephina, Diluvarca prephina W.P. Woodring, 1925 † - syn of: Anadara prephina (W.P. Woodring, 1925 †) - (ARCIDAE) (FOSSIL)
- prepinguis, Naesiotus prepinguis J. Vagvolgyi, 1977 - (BULIMULIDAE)
- prepleurisepta, Sphenodiscus prepleurisepta Böse, 1928 † - (SPHENODISCIDAE) (FOSSIL)
- preposterum, Tiphyocerma preposterum S.S. Berry, 1958 - syn of: Zebina preposterum (S.S. Berry, 1958) - (RISSOINIDAE)
- preposterum, Zebina preposterum (S.S. Berry, 1958) - (ZEBINIDAE)
- prereyesi, Araucanites prereyesi Parent, 2006 † - (SPHAEROCERATIDAE) (FOSSIL)
- prerostratum, Deiradoceras prerostratum (Spath, 1921 †) - (BRANCOCERATIDAE) (FOSSIL)
- presasiana, Cochlodinella presasiana (L. Pfeiffer, 1866) - (UROCOPTIDAE)
- presasianum, Chondropoma presasianum J. Gundlach, 1863 - (POMATIIDAE)
- presasianum canasiense, Chondropoma presasianum canasiense C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- presbensis, Helix presbensis W. Kobelt, 1905 - syn of: Helix lucorum C. Linnaeus, 1758 - (HELICIDAE)
- presbensis, Planorbis presbensis R. Sturany, 1894 - syn of: Planorbis prespensis R. Sturany, 1894 - (PLANORBIDAE)
- presbyteralis, Dentiphaedusa presbyteralis (P.V. Gredler, 1892) - (CLAUSILIIDAE)
- prescheri, Gundolficeras prescheri W. Korn, 2002 † - (TORNOCERATIDAE) (FOSSIL)
- Preshumardites, Genus Preshumardites Plummer & Scott, 1937 (SHUMARDITIDAE) (FOSSIL)
- presidiensis, Pseudonerinea presidiensis Stanton, 1947 † - (CERITELLIDAE) (FOSSIL)
- presidioensis, Coelostemma presidioensis P. Bartsch, 1943 - (UROCOPTIDAE)
- Presimoceras, Genus Presimoceras (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- presleyi, Granoturris presleyi W.G. Lyons, 1972 - (MANGELIIDAE)
- preslii, Goniatites preslii G.G. Münster, 1839 † - syn of: Gonioclymenia speciosa (G.G. Münster, 1831 †) - (GONIATITIDAE) (FOSSIL)
- preslii, Helix preslii E.A. Rossmässler, 1836 - syn of: Cingulifera cingulatum preslii (E.A. Rossmässler, 1836) - (HELICIDAE)
- preslii, Cingulifera cingulatum preslii (E.A. Rossmässler, 1836) - (HELICIDAE)
- preslii nisoria, Helix preslii nisoria E.A. Rossmässler, 1836 - syn of: Cingulifera cingulatum preslii (E.A. Rossmässler, 1836) - (HELICIDAE)
- presozoni, Conus presozoni A.A. Olsson & R.E. Petit, 1964 - syn of: Conasprella delessertii (C.A. Récluz, 1843) - (CONIDAE)
- prespaensis, Montenegrina kastoriae prespaensis H. Nordsieck, 1988 - (CLAUSILIIDAE)
- prespaensis, Prespopyrgula prespaensis (J. Urbanski, 1939) - (HYDROBIIDAE)
- prespensis, Bithynia prespensis S. Hadžišce, 1963 - (BITHYNIIDAE)
- prespensis, Chilopyrgula prespensis (J. Urbanski) - (HYDROBIIDAE)
- prespensis, Planorbis prespensis R. Sturany, 1894 - (PLANORBIDAE)
- Prespiana, Genus Prespiana P. Radoman, 1973 (HYDROBIIDAE)
- Prespolitorea, Genus Prespolitorea P. Radoman, 1973 (HYDROBIIDAE)
- Prespopyrgula, Genus Prespopyrgula P. Radoman, 1973 (HYDROBIIDAE)
- pressa, Plectotropis pressa H.A. Pilsbry & Y. Hirase, 1904 - (BRADYBAENIDAE)
- pressa, Monetaria pressa L.W. Dillwyn, 1827 - syn of: Monetaria obvelata (J.B.P.A. Lamarck, 1810) - (CYPRAEIDAE)
- pressa, Candidula pressa A. Mousson, 1872 - syn of: Candidula ultima (A. Mousson, 1872) - (HYGROMIIDAE)
- pressa, Eulimella pressa A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- pressa, Retusa pressa J. Marwick, 1928 † - (RETUSIDAE) (FOSSIL)
- pressa, Eurytellina pressa W.H. Dall, 1900 † - (TELLINIDAE) (FOSSIL)
- Pressastarte, Genus Pressastarte Zakharov, 1970 (ASTARTIDAE) (FOSSIL)
- presseplicata, Corbicula presseplicata P.M. Heude, 1887 - syn of: Corbicula lamarckiana T. Prime, 1867 - (CYRENIDAE)
- Pressidens, Genus Pressidens F. Haas, 1910 (UNIONIDAE)
- pressirostris, Unio pressirostris E.C. Von Martens, 1900 - syn of: Rectidens sumatrensis (R.W. Dunker, 1852) - (UNIONIDAE)
- pressleyi, Vespericola pressleyi B. Roth, 1985 - (POLYGYRIDAE)
- Pressodonta, syn of: Genus Alasmidonta T. Say, 1818 (UNIONIDAE)
- pressula, Helix pressula P.M.A. Morelet, 1851 - syn of: Trichodiscina suturalis pressula (P.M.A. Morelet, 1851) - (HELICIDAE)
- pressula, Trichodiscina suturalis pressula (P.M.A. Morelet, 1851) - (XANTHONYCHIDAE)
- pressulum, Miklukhoceras pressulum Leonova, 1984 † - (MEDLICOTTIIDAE) (FOSSIL)
- pressulus, Peltoceratoides pressulus H.A. Leanza, 1947 † - (ASPIDOCERATIDAE) (FOSSIL)
- pressulus, Beringius pressulus Titova, 1986 † - (BUCCINIDAE) (FOSSIL)
- pressulus, Streptotrochus pressulus (Tschernischeff, 1885 †) - (ELASMONEMATIDAE) (FOSSIL)
- pressulus, Almites pressulus Ruzhentsev, 1956 † - (MARATHONITIDAE) (FOSSIL)
- pressulus, Metaperrinites pressulus Leonova 1983 † - (PERRINITIDAE) (FOSSIL)
- pressulus, Peregrinoceras pressulus (Bogoslowsky, 1897 †) - (POLYPTYCHITIDAE) (FOSSIL)
- pressulus, Trochus pressulus Tschernischeff, 1885 † - syn of: Streptotrochus pressulus (Tschernischeff, 1885 †) - (TROCHIDAE) (FOSSIL)
- pressum, Dentalium pressum B. Sharp & H.A. Pilsbry, 1897 - syn of: Compressidens pressus (B. Sharp & H.A. Pilsbry, 1897) - (DENTALIIDAE)
- pressus, Tornatellinops pressus T. Iredale, 1940 - (ACHATINELLIDAE)
- pressus, Compressidens pressus (B. Sharp & H.A. Pilsbry, 1897) - (PULSELLIDAE)
- pressus, Pseudosirenites pressus McLearn, 1947 † - (TRACHYCERATIDAE) (FOSSIL)
- Prestonella, Genus Prestonella M.T. Connolly, 1929 (BOTHRIEMBRYONTIDAE)
- prestoni, Euplecta prestoni (H.H. Godwin-Austen, 1897) - (ARIOPHANTIDAE)
- prestoni, Bithynia prestoni (P. Glöer & U. Bössneck, 2013) - (BITHYNIIDAE)
- prestoni, Gabbia prestoni P. Glöer & U. Bössneck, 2013 - syn of: Bithynia prestoni (P. Glöer & U. Bössneck, 2013) - (BITHYNIIDAE)
- prestoni, Drymaeus prestoni S.I. Da Costa, 1906 - syn of: Mesembrinus tripictus hoffmanni E.C. Von Martens, 1893 - (BULIMULIDAE)
- prestoni, Carditamera prestoni W.H. Dall, 1903 † - (CARDITIDAE) (FOSSIL)
- prestoni, Cerion prestoni M.I. Sánchez Roig, 1951 - (CERIONIDAE)
- prestoni, Climocella prestoni (E.R. Sykes, 1895) - (CHAROPIDAE)
- prestoni, Blasicrura prestoni H.O.N. Shaw, 1909 - syn of: Blasicrura interrupta (J.E. Gray, 1824) - (CYPRAEIDAE)
- prestoni, Nicida prestoni (E.R. Sykes, 1897) - (DIPLOMMATINIDAE)
- prestoni, Eatoniella prestoni W.F. Ponder & E.K. Yoo, 1978 - (EATONIELLIDAE)
- prestoni, Endodonta prestoni E.R. Sykes, 1895 - syn of: Climocella prestoni (E.R. Sykes, 1895) - (ENDODONTIDAE)
- prestoni, Nucula prestoni H.C. Ray, 1952 - syn of: Acila jucunda (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (NUCULIDAE)
- prestoni, Annularisca prestoni (H.F. Ramsden, 1914) - (POMATIIDAE)
- prestoni, Tortulosa prestoni (E.R. Sykes, 1905) - (PUPINIDAE)
- prestoni, Turbonilla prestoni H.C. Ray, 1968 - (PYRAMIDELLIDAE)
- prestoni, Egilina prestoni (P. Dautzenberg & H. Fischer, 1906) - (PYRAMIDELLIDAE)
- prestoni, Pyrgulina prestoni P. Dautzenberg & H. Fischer, 1906 - syn of: Egilina prestoni (P. Dautzenberg & H. Fischer, 1906) - (PYRAMIDELLIDAE)
- prestoni, Pseudoglessula prestoni E.A. Smith, 1904 - (SUBULINIDAE)
- prestoni, Glessula prestoni G.P.L.K. Gude, 1914 - (SUBULINIDAE)
- prestoni, Opeas prestoni E.R. Sykes - syn of: Allopeas mauritianum prestoni (E.R. Sykes, 1898) - (SUBULINIDAE)
- prestoni, Allopeas mauritianum prestoni (E.R. Sykes, 1898) - (SUBULINIDAE)
- prestoni, Vitrinella prestoni J.C. Melvill, 1906 - (TORNIDAE)
- prestoni, Turridrupa prestoni A.W.B. Powell, 1967 - (TURRIDAE)
- prestoni, Trichotoxon prestoni C. Pollonera, 1911 - (UROCYCLIDAE)
- prestoni cancellata, Drymaeus prestoni cancellata S.I. Da Costa, 1906 - syn of: Mesembrinus tripictus hoffmanni E.C. Von Martens, 1893 - (BULIMULIDAE)
- prestoni hawaiiensis, Opeas prestoni hawaiiensis E.R. Sykes, 1904 - syn of: Allopeas clavulinum (V.L.V. Potiez & A. Michaud, 1838) - (SUBULINIDAE)
- Prestoniella, Subgenus Chrysallida (Prestoniella) E. Saurin, 1983 (PYRAMIDELLIDAE)
- Prestrombus, Genus Prestrombus Douville, 1929 (STROMBIDAE) (FOSSIL)
- prestwichi, Pseudocatastroboceras prestwichi H. Turner, 1965 † - syn of: Stroboceras humerosum A. Schmidt, 1951 † - (NAUTILIDA (unassigned)) (FOSSIL)
- prestwichi, Oliva prestwichi C. Mayer, 1861 † - (OLIVIDAE) (FOSSIL)
- prestwichi, Palliolum prestwichi (Morris 1852) † - (PECTINIDAE) (FOSSIL)
- prestwichi, Rimella prestwichi d'Archaic & Haime, 1854 † - (RIMELLIDAE) (FOSSIL)
- prestwichi, Thracia prestwichi G.P. Deshayes, 1857 † - (THRACIIDAE) (FOSSIL)
- prestwichii, Thracia prestwichii G.P. Deshayes, 1857 † - (THRACIIDAE) (FOSSIL)
- prestwichii, Eratotrivia prestwichii (F.E. Edwards, 1854 †) - (TRIVIIDAE) (FOSSIL)
- presubplicata, Euspira presubplicata (P. Bouchet & A. Warén, 1993) - (NATICIDAE)
- pretei, Blaesospira pretei (A.V.M.D. D'Orbigny, 1843) - (POMATIIDAE)
- pretensa, Scenella pretensa W.J. Raymond, 1905 † - (SCENELLIDAE) (FOSSIL)
- pretethydis, Hoplites pretethydis Spath † - (HOPLITIDAE) (FOSSIL)
- pretiosa, Renea pretiosa A. Andreae, 1904 - (ACICULIDAE)
- pretiosa, Miraphaedusa pretiosa H. Nordsieck, 2012 - (CLAUSILIIDAE)
- pretiosa, Serruluna pretiosa H. Nordsieck, 2007 † - (CLAUSILIIDAE) (FOSSIL)
- pretiosa, Alopia pretiosa M. Szekeres, 1969 - (CLAUSILIIDAE)
- pretiosa, Phaedusa potanini pretiosa H. Nordsieck, 2001 - (CLAUSILIIDAE)
- pretiosa, Clavatula pretiosa L.M.D. Bellardi, 1847 † - (CLAVATULIDAE) (FOSSIL)
- pretiosa, Myonera pretiosa A.E. Verrill & K.J. Bush, 1898 - (CUSPIDARIIDAE)
- pretiosa, Erosaria pretiosa J.C. Melvill, 1905 - syn of: Erosaria ocellata (C. Linnaeus, 1758) - (CYPRAEIDAE)
- pretiosa, Antalis pretiosa (G.B. II Sowerby, 1860) - (DENTALIIDAE)
- pretiosa, Epitonium pretiosa J.B.P.A. Lamarck, 1816 - syn of: Epitonium scalare (C. Linnaeus, 1758) - (EPITONIIDAE)
- pretiosa, Striatoguraleus pretiosa W.H. Turton, 1932 - syn of: Striatoguraleus thetis (E.A. Smith, 1904) - (HORAICLAVIDAE)
- pretiosa, Lima pretiosa G.P. Deshayes, 1858 † - (LIMIDAE) (FOSSIL)
- pretiosa, Limopsis pretiosa Berezovsky, 2015 † - (LIMOPSIDAE) (FOSSIL)
- pretiosa, Neocancilla pretiosa (L.A. Reeve, 1844) - (MITRIDAE)
- pretiosa, Cyllene pretiosa E.W. Vredenburg, 1923 † - (NASSARIIDAE) (FOSSIL)
- pretiosa, Striarca pretiosa (G.P. Deshayes, 1858 †) - (NOETIIDAE) (FOSSIL)
- pretiosa, Arcopsis pretiosa (G.P. Deshayes, 1858 †) - (NOETIIDAE) (FOSSIL)
- pretiosa, Nucinella pretiosa (A.A. Gould, 1861) - (NUCINELLIDAE)
- pretiosa, Pyrgulina pretiosa (Turton, 1932) - (PYRAMIDELLIDAE)
- pretiosa, Miralda pretiosa (P. Dautzenberg & H. Fischer, 1906) - (PYRAMIDELLIDAE)
- pretiosa, Pyrgulina pretiosa P. Dautzenberg & H. Fischer, 1906 - syn of: Miralda pretiosa (P. Dautzenberg & H. Fischer, 1906) - (PYRAMIDELLIDAE)
- pretiosa, Tiberia pretiosa G.S. Coen, 1933 - syn of: Parthenina interstincta (J. Adams, 1797) - (PYRAMIDELLIDAE)
- pretiosa, Pyramidula pretiosa G.P.L.K. Gude, 1900 - (PYRAMIDULIDAE)
- pretiosa, Sculptaria pretiosa A. Zilch, 1939 - (SCULPTARIIDAE)
- pretiosa, Tellina pretiosa G.P. Deshayes, 1855 - syn of: Tellina pretium A.E. Salisbury, 1934 - (TELLINIDAE)
- pretiosa, Cinguloterebra pretiosa (L.A. Reeve, 1842) - (TEREBRIDAE)
- pretiosa, Teremelon pretiosa (Finlay, 1926 †) - (VOLUTIDAE) (FOSSIL)
- pretiosa fujitai, Cinguloterebra pretiosa fujitai J.T. Kuroda & T. Habe, 1952 - syn of: Cinguloterebra fujitai (J.T. Kuroda & T. Habe, 1952) - (TEREBRIDAE)
- pretiosior, Miralda pretiosior E. Saurin, 1962 - (PYRAMIDELLIDAE)
- pretiosula, Epitonium pretiosula O.A.L. Mörch, 1875 - syn of: Epitonium foliaceicosta d'Orbigny, 1842 - (EPITONIIDAE)
- pretiosum, Dentalium pretiosum G.B. II Sowerby, 1860 - syn of: Antalis pretiosa (G.B. II Sowerby, 1860) - (DENTALIIDAE)
- pretiosum, Punctum amblygonum pretiosum G.P.L.K. Gude, 1900 - (PUNCTIDAE)
- pretiosum berryi, Dentalium pretiosum berryi A.G. Smith & W.J. Gordon, 1948 - syn of: Antalis berryi (A.G. Smith & W.J. Gordon, 1948) - (DENTALIIDAE)
- pretiosus, Cerion pretiosus M.I. Sánchez Roig, 1951 - (CERIONIDAE)
- pretiosus, Graphiconus pretiosus (G. Nevill & H. Nevill, 1874) - (CONIDAE)
- pretiosus, Cyclotus pretiosus E. Chitty, 1857 - syn of: Cycladamsia rubra (E. Chitty, 1857) - (CYCLOPHORIDAE)
- pretiosus, Lyropecten pretiosus L.G. Hertlein, 1925 † - (PECTINIDAE) (FOSSIL)
- pretiosus, Sibirites pretiosus Mojsisovics, 1886 † - (SIBIRITIDAE) (FOSSIL)
- pretium, Tellina pretium A.E. Salisbury, 1934 - (TELLINIDAE)
- pretneri, Zospeum pretneri J. Bole, 1960 - (ELLOBIIDAE)
- pretneri, Paladilhiopsis pretneri J. Bole & F. Velkovrh, 1987 - (MOITESSIERIIDAE)
- pretoriensis, Truncatellina pretoriensis (J.C. Melvill & J.H. Ponsonby, 1893) - (VERTIGINIDAE)
- Pretostrea, syn of: Genus Lopha P.F. Rφding, 1798 (OSTREIDAE)
- pretrei, Crepidula pretrei (A.V.M.D. D'Orbigny, 1841) - (CALYPTRAEIDAE)
- pretrei, Scurria pretrei D'Orbigny, 1841 - syn of: Scurria viridula (J.B.P.A. Lamarck, 1822) - (LOTTIIDAE)
- pretrei, Blaesospira pretrei D'Orbigny, 1843 - syn of: Blaesospira pretei (A.V.M.D. D'Orbigny, 1843) - (POMATIIDAE)
- pretrii, Suturoglypta pretrii (P.L. Duclos, 1846) - (COLUMBELLIDAE)
- pretrii, Anachis pretrii P.L. Duclos, 1846 - syn of: Suturoglypta pretrii (P.L. Duclos, 1846) - (COLUMBELLIDAE)
- pretrii, Columbella pretrii P.L. Duclos, 1846 - syn of: Suturoglypta pretrii (P.L. Duclos, 1846) - (COLUMBELLIDAE)
- prevali, Brachypodella prevali C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- prevali yemenensis, Brachypodella prevali yemenensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- prevaricata, Divaricella prevaricata R.J.L. Guppy, 1896 † - (LUCINIDAE) (FOSSIL)
- preventricosus, Scaphites preventricosus Cobban, 1951 † - (SCAPHITIDAE) (FOSSIL)
- preveri, Aptyxiella preveri C.F. Parona, 1896 † - (NERINEIDAE) (FOSSIL)
- prevosti, Batillaria prevosti (G.P. Deshayes, 1833 ) - (BATILLARIIDAE)
- prevosti, Cyclocardia prevosti (G.P. Deshayes, 1858 †) - (CARDITIDAE) (FOSSIL)
- prevosti, Conus prevosti G.B. III Sowerby, 1881 - syn of: Graphiconus lienardi (A.C. Bernardi & J.C.H. Crosse, 1861) - (CONIDAE)
- prevosti, Fusinus prevosti M. Hörnes, 1856 † - (FASCIOLARIIDAE) (FOSSIL)
- prevosti, Jagonoma prevosti (G.P. Deshayes, 1857 †) - (LUCINIDAE) (FOSSIL)
- prevosti, Sindhiluta prevosti (M. Rouault, 1850 †) - (VOLUTIDAE) (FOSSIL)
- prevosti szobiensis, Fusinus prevosti szobiensis Strausz, 1960 † - (FASCIOLARIIDAE) (FOSSIL)
- prevostiana, Nipponomelon prevostiana J.C.H. Crosse, 1878 - syn of: Nipponomelon megaspira prevostiana (J.C.H. Crosse, 1878) - (VOLUTIDAE)
- prevostiana, Nipponomelon megaspira prevostiana (J.C.H. Crosse, 1878) - (VOLUTIDAE)
- prevostiana clara, Fulgoraria prevostiana clara (G.B. III Sowerby, 1914) - syn of: Fulgoraria clara (G.B. III Sowerby, 1914) - (VOLUTIDAE)
- prevostiana clara, Musashia prevostiana clara G.B. III Sowerby, 1914 - syn of: Fulgoraria clara (G.B. III Sowerby, 1914) - (VOLUTIDAE)
- prevostiana sagamiensis, Nipponomelon megaspira prevostiana sagamiensis (T. Shikama, 1980) - (VOLUTIDAE)
- prevostiana salebrosa, Nipponomelon megaspira prevostiana salebrosa T. Shikama, 1967 - (VOLUTIDAE)
- prevostianus, Theodoxus prevostianus (L. Pfeiffer, 1828 ) - (NERITIDAE)
- prevostii, Ostrea prevostii G.B. II Sowerby, 1871 - syn of: Ostrea stentina B.C.M. Payraudeau, 1826 - (OSTREIDAE)
- prevostina, Miolyncina prevostina (J.P.S. Grateloup, 1847 †) - (CYPRAEIDAE) (FOSSIL)
- prevostina, Gibborissoa prevostina (Basterot, 1825) † - (LITIOPIDAE) (FOSSIL)
- prevostina, Phasianella prevostina B. de Basterot, 1825 † - syn of: Gibborissoa varicosa (B. de Basterot, 1825 †) - (PHASIANELLIDAE) (FOSSIL)
- preyi, Hoplitoplacenticeras preyi Paulcke 1906 † - (PLACENTICERATIDAE) (FOSSIL)
- preyoungi, Cirsotrema preyoungi Iqbal, 1980 † - (EPITONIIDAE) (FOSSIL)
- prezensis, Paladilhiopsis prezensis A. Reischütz, N. Reischütz & P.L. Reischütz, 2016 - (MOITESSIERIIDAE)
- priabonensis, Bearizia priabonensis (Boussac, 1908 †) - (ANCILLARIIDAE) (FOSSIL)
- priabonica, Hortia priabonica Y.I. Kantor, P. Lozouet, N. Puillandre & P. Bouchet, 2014 † - (PYRAMIMITRIDAE) (FOSSIL)
- priamus, Helix priamus J.F. Gmelin, 1791 - syn of: Ampulla priamus (J.F. Gmelin, 1791) - (HELICIDAE)
- priamus, Mammilla priamus (C.A. Récluz, 1844) - (NATICIDAE)
- priamus, Polinices priamus C.A. Récluz, 1844 - syn of: Mammilla priamus (C.A. Récluz, 1844) - (NATICIDAE)
- priamus, Ampulla priamus (J.F. Gmelin, 1791) - (VOLUTIDAE)
- Priamus, syn of: Genus Ampulla P.F. Rφding, 1798 (VOLUTIDAE)
- prianganensis, Nassarius prianganensis C.O. Van Regteren Altena & C. Beets, 1945 † - (NASSARIIDAE) (FOSSIL)
- priapus, Panomya priapus (G.T. Tilesius, 1822) - (HIATELLIDAE)
- priapus, Mya priapus G.T. Tilesius, 1822 - syn of: Panomya priapus (G.T. Tilesius, 1822) - (MYIDAE)
- pribalticum, Dideroceras pribalticum I. Balashov, 1968 † - syn of: Proterovaginoceras incognitum (Schröder, 1882 †) - (ENDOCERATIDAE) (FOSSIL)
- pribiloffensis, Neptunea pribiloffensis (W.H. Dall, 1919) - (BUCCINIDAE)
- pribiloffensis, Margarites pribiloffensis (W.H. Dall, 1919) - (MARGARITIDAE)
- Pribiloffensis-group, syn of: Genus Neptunea P.F. Rφding, 1798 (BUCCINIDAE)
- pribilova, Propebela pribilova (W.H. Dall, 1919) - (MANGELIIDAE)
- Priceconcha, Genus Priceconcha G.A. Solem, 1973 (ENDODONTIDAE)
- pricei, Mortoniceras pricei Spath, 1922 † - (BRANCOCERATIDAE) (FOSSIL)
- pricei, Craterodiscus pricei D.F. McMichael, 1959 - (CAMAENIDAE)
- pricei, Saginafusus pricei (E.A. Smith, 1887) - (FASCIOLARIIDAE)
- pricei, Flabellina pricei (F.M. MacFarland, 1966) - (FLABELLINIDAE)
- pricei, Euhoplites pricei (Spath 1925 †) - (HOPLITIDAE) (FOSSIL)
- pricei, Permophorus pricei (R.M. Branson, 1930 †) - (KALENTERIDAE) (FOSSIL)
- pricei, Cellana pricei A.W.B. Powell, 1973 - (NACELLIDAE)
- pricei, Nerita pricei Shumard & Swallow, 1858 † - syn of: Jedria ventrica (Norwood & Pratten, 1855 †) - (NERITIDAE) (FOSSIL)
- pricei, Octopus pricei S.S. Berry, 1913 - (OCTOPODIDAE)
- pricei, Leptomaria pricei Cox † - (PLEUROTOMARIIDAE) (FOSSIL)
- pricei perficus, Saginafusus pricei perficus T. Iredale, 1931 - (FASCIOLARIIDAE)
- Pricella, Genus Pricella Korn , 1991 (CYRTOCLYMENIIDAE) (FOSSIL)
- prichardi, Edmondia prichardi Dickins, 1963 † - (EDMONDIIDAE) (FOSSIL)
- pridaense, Groenlandites pridaense Bucher, 1989 † - (LONGOBARDITIDAE) (FOSSIL)
- prideaux, Rhomboidella prideaux (W.E. Leach, 1815) - (MYTILIDAE)
- prideauxi, Rhomboidella prideauxi (W.E. Leach, 1815) - (MYTILIDAE)
- prideauxi arenaria, Rhomboidella prideauxi arenaria (A. Martin, 1872) - (MYTILIDAE)
- prideauxiana, Modiolus prideauxiana T. Brown, 1827 - syn of: Rhomboidella prideauxi (W.E. Leach, 1815) - (MYTILIDAE)
- prideauxiana, Venus prideauxiana J.A. Couch, 1841 - syn of: Chamelea striatula (E.M. Da Costa, 1778) - (VENERIDAE)
- prieguei, Cerithiopsis prieguei E. Rolán & J. Espinosa, 1996 - (CERITHIOPSIDAE)
- priei, Bythiospeum priei Callot-Girardi, 2017 - (HYDROBIIDAE)
- priei, Fluviopupa priei M. Haase, Fontaine & O. Gargominy, 2010 - (HYDROBIIDAE)
- Priene, Genus Priene H. Adams & A. Adams, 1858 (RANELLIDAE)
- Prieserites, Genus Prieserites Jeannet , 1951 (ASPIDOCERATIDAE) (FOSSIL)
- priestleyi, Prosipho priestleyi C. Hedley, 1911 - syn of: Prosipho glacialis K.H.J. Thiele, 1912 - (BUCCINIDAE)
- priestleyi, Trophon priestleyi C. Hedley, 1916 - syn of: Prosipho glacialis K.H.J. Thiele, 1912 - (MURICIDAE)
- prieta, Edmundsina prieta (J.A. Ortea, L. Moro & J. Espinosa, 2007) - (RUNCINIDAE)
- Prietocella, syn of: Genus Cochlicella A.E.J. Fιrussac in A. Risso, 1826 (COCHLICELLIDAE)
- prietoi, Cyclophorus prietoi J.G. Hidalgo, 1888 - (CYCLOPHORIDAE)
- prietoi, Eubranchus prietoi E.M. Llera & J.A. Ortea, 1981 - (EUBRANCHIDAE)
- prietoi, Amandana prietoi (J.G. Hidalgo, 1878) - (HYGROMIIDAE)
- prietoi, Natica prietoi J.G. Hidalgo, 1873 - (NATICIDAE)
- prietoi, Albea prietoi (J.G. Hidalgo, 1878) - (SPHINCTEROCHILIDAE)
- prietoi, Oestophora prietoi A. Ruiz, J. Arrébola & A. Puente, 2009 - (TRISSEXODONTIDAE)
- prietoi muroensis, Amandana prietoi muroensis W. Graack, 2005 - (HYGROMIIDAE)
- prieuri, Naticonoda prieuri Heidelberger, 2001 † - (PLATYCERATIDAE) (FOSSIL)
- priggei, Carelia olivacea priggei C.M. Cooke, 1931 - (AMASTRIDAE)
- Prilukiella, Genus Prilukiella Plotnikov, 1945 (PRILUKIELLIDAE) (FOSSIL)
- PRILUKIELLIDAE Starobogatov, 1970 - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-IMPARIDENTIA [Superorder]-VENERIDA [Order]-PRILUKIELLOIDEA [Superfamil) (FOSSIL)
- prima, Pleuratella prima C. Moore, 1867 † - (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- prima, Babinka prima Barrande, 1881 † - (BABINKIDAE) (FOSSIL)
- prima, Boreiobakevellia prima Kurushin, 1980 † - (BAKEVELLIIDAE) (FOSSIL)
- prima, Basterotia prima T.H. Aldrich, 1921 † - (BASTEROTIIDAE) (FOSSIL)
- prima, Borsonia prima L.M.D. Bellardi, 1839 † - syn of: Pusionella prima (L.M.D. Bellardi, 1839 †) - (BORSONIIDAE) (FOSSIL)
- prima, Tealbya prima Yazikova 1993 † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- prima, Synthopsis prima A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- prima, Pusionella prima (L.M.D. Bellardi, 1839 †) - (CLAVATULIDAE) (FOSSIL)
- prima, Asprella prima D. Röckel & W. Korn, 1990 - syn of: Graphiconus primus (D. Röckel & W. Korn, 1990) - (CONIDAE)
- prima, Mangbuina prima H. Guo, 1988 † - (CYCLOCONCHIDAE) (FOSSIL)
- prima, Cyrtodonta prima Kobayashi, 1934 † - (CYRTODONTIDAE) (FOSSIL)
- prima, Diaphera prima S. Panha, 2010 - (DIAPHERIDAE)
- prima, Pleurorima prima (Barrande, 1907 †) - (GOSSELETINIDAE) (FOSSIL)
- prima, Globispira prima Barrande, 1907 † - syn of: Pleurorima prima (Barrande, 1907 †) - (GOSSELETINIDAE) (FOSSIL)
- prima, Lesueurilla prima J. Perner, 1903 † - (LESUEURILLIDAE) (FOSSIL)
- prima, Elimata prima Wass & Gould, 1968 † - (LIMIDAE) (FOSSIL)
- prima, Mathilda prima C.R. Laws, 1935 † - (MATHILDIDAE) (FOSSIL)
- prima, Planktomya prima (É.A.A. Locard, 1899) - (MONTACUTIDAE)
- prima, Wedekindella prima Chlupac & Turek, 1983 † - (PARODOCERATIDAE) (FOSSIL)
- prima, Coloniconcha prima H.A. Pilsbry, 1933 - (PLEURODONTIDAE)
- prima, Pleuromya prima Hautmann & al., 2013 † - (PLEUROMYIDAE) (FOSSIL)
- prima, Pseudoliva prima J.L.M. Defrance, 1827 † - syn of: Sulcobuccinum primus (J.L.M. Defrance, 1827 †) - (PSEUDOLIVIDAE) (FOSSIL)
- prima, Ostreonella prima Romanovskiy 1890 † - (PTERIIDA (UNASSIGNED)) (FOSSIL)
- prima, Oistotrigonia prima Kobayashi & Tamura, 1955 † - (PTEROTRIGONIIDAE) (FOSSIL)
- prima, Odostomia prima H.A. Pilsbry, 1918 - syn of: Nesiodostomia tertia (H.A. Pilsbry, 1918) - (PYRAMIDELLIDAE)
- prima, Monoplex prima H.A. Pilsbry, 1945 - syn of: Monoplex parthenopeus (C.U.A. von Salis-Marschlins, 1793) - (RANELLIDAE)
- prima, Xianfengella prima He & Yang, 1982 † - (RUGAECONIDAE) (FOSSIL)
- prima, Austrotrigonia prima Skwarko, 1963 † - (TRIGONIIDAE) (FOSSIL)
- prima, Nesocoptis prima (R. Arango, 1882) - (UROCOPTIDAE)
- primaeva, Pupa primaeva G.F. Matthew, 1894 † - syn of: Dendropupa primaeva (G.F. Matthew, 1894 †) - (ACTEONIDAE) (FOSSIL)
- primaeva, Anomia primaeva G.P. Deshayes, 1858 † - (ANOMIIDAE) (FOSSIL)
- primaeva, Undulabucania punctifrons primaeva (Bradley, 1930 †) - (BUCANIIDAE) (FOSSIL)
- primaeva, Genuclymenia primaeva Pajchlowa, 1972 † - (CYMACLYMENIIDAE) (FOSSIL)
- primaeva, Dendropupa primaeva (G.F. Matthew, 1894 †) - (DENDROPUPIDAE) (FOSSIL)
- primaeva, Eokosmoclymenia primaeva (Czarnocki, 1989 †) - (KOSMOCLYMENIIDAE) (FOSSIL)
- primaeva, Pandora primaeva G.P. Deshayes, 1857 † - (PANDORIDAE) (FOSSIL)
- primaeva, Glyptarca primaeva Hicks, 1873 † - (PARALLELODONTIDAE) (FOSSIL)
- primaeva, Triaclymenia primaeva Czarnocki, 1989 † - syn of: Eokosmoclymenia primaeva (Czarnocki, 1989 †) - (PARAWOCKLUMERIIDAE) (FOSSIL)
- primaeva, Pelagiella primaeva (Billings, 1872 †) - (PELAGIELLIDAE) (FOSSIL)
- primaeva, Gouldia primaeva L. Waagen, 1881 † - (VENERIDAE) (FOSSIL)
- primaevum, Praemeroceras primaevum (Schindewolf, 1923 †) - (CHEILOCERATIDAE) (FOSSIL)
- primaevum, Latouchella primaevum Billings, 1872 † - syn of: Pelagiella primaeva (Billings, 1872 †) - (COREOSPIRIDAE) (FOSSIL)
- primaevum, Orthoceras primaevum (Forbes) † - (ORTHOCERATIDAE) (FOSSIL)
- primaevum, Sporadoceras primaevum Schindewolf, 1923 † - syn of: Praemeroceras primaevum (Schindewolf, 1923 †) - (SPORADOCERATIDAE) (FOSSIL)
- primaevus, Amphitriscoelus primaevus Pantoja-Alor & al. 2004 † - (CAPRINULOIDEIDAE) (FOSSIL)
- primaevus, Spaniorinus primaevus (A.E.M. Cossmann, 1892 †) - (GALEOMMATIDAE) (FOSSIL)
- Primahinnites, Genus Primahinnites Repin, 1996 (AVICULOPECTINIDAE) (FOSSIL)
- primaliciae, Miralda primaliciae E. Saurin, 1962 - (PYRAMIDELLIDAE)
- primanova, Paziella primanova (R. Houart, 1985) - (MURICIDAE)
- primaria, Protowenella primaria W.C. Zhou & Q. Xiao, 1984 † - (HELCIONELLIDAE) (FOSSIL)
- primaria, Brodieia primaria Schirardin, 1914 † - (PHYMATOCERATIDAE) (FOSSIL)
- Primarietites, syn of: Genus Coroniceras Taylor, 1998 (ARIETITIDAE) (FOSSIL)
- primarius, Eosoconus primarius Yü, 1979 † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- primarius, Epijuresanites primarius A.M. Popov, 2005 † - (SPIROLEGOCERATIDAE) (FOSSIL)
- primarobertsi, Pseudozonaria primarobertsi B.M. Landau & Groves, 2011 † - (CYPRAEIDAE) (FOSSIL)
- primas, Goniatites primas L. Waagen, 1872 † - syn of: Eumedlicottia primas (L. Waagen, 1872 †) - (GONIATITIDAE) (FOSSIL)
- primas, Eumedlicottia primas (L. Waagen, 1872 †) - (MEDLICOTTIIDAE) (FOSSIL)
- Primatrigonia, Genus Primatrigonia Repin, 2001 (TRIGONIIDAE) (FOSSIL)
- primeana, Corbicula primeana O.A.L. Mörch, 1861 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- primeana, Corbicula primeana T. Prime, 1867 - syn of: Corbicula bocourti (P.M.A. Morelet, 1865) - (CYRENIDAE)
- primeana, Glauconome angulata primeana J.E. Gray, 1828 - (GLAUCONOMIDAE)
- primeana, Helix primeana J.C.H. Crosse, 1864 - (HELICIDAE)
- primeana, Palaeohelicina primeana (J. Gassies, 1863) - (HELICINIDAE)
- primei, Eupera primei M.A. Klappenbach, 1967 - (SPHAERIIDAE)
- Primella, syn of: Genus Sphaerium J.A. Scopoli, 1777 (SPHAERIIDAE)
- primiferus, Poecilomorphus primiferus Buckman † - (HAPLOCERATIDAE) (FOSSIL)
- primiformis, Gyraulus primiformis (Sauerzopf, 1953 ) - (PLANORBIDAE)
- primigena, Rhagada primigena F. Köhler, 2011 - (CAMAENIDAE)
- primigena, Poirieria primigena Finlay, 1930 † - (MURICIDAE) (FOSSIL)
- primigenia, Alaria primigenia W.H. Hudleston, 1887 † - (APORRHAIDAE) (FOSSIL)
- primigenia, Strophiops primigenia C.J. Maynard, 1913 - (CERIONIDAE)
- primigenia, Parabalea primigenia (W.K. Weyrauch, 1960) - (CLAUSILIIDAE)
- primigenia, Clavagella primigenia G.P. Deshayes, 1857 † - (CLAVAGELLIDAE) (FOSSIL)
- primigenia, Naticopsis primigenia (d'Eichwald, 1859 †) - (DELPHINULOPSIDAE) (FOSSIL)
- primigenia, Aplexa primigenia G.P. Deshayes, 1863 † - (PHYSIDAE) (FOSSIL)
- primigenia, Macrochilina primigenia T.A. Conrad, 1835 † - syn of: Sphaerodoma primigenia (T.A. Conrad, 1835 †) - (SOLENISCIDAE) (FOSSIL)
- primigenia, Sphaerodoma primigenia (T.A. Conrad, 1835 †) - (SPHAERODOMIDAE) (FOSSIL)
- primigenia, Chione primigenia H.A. Pilsbry & C.W. Johnson, 1917 - syn of: Chione cancellata (C. Linnaeus, 1767) - (VENERIDAE)
- primigenitum, Teicherticeras primigenitum Erben, 1965 † - syn of: Mimosphinctes primigenitus Erben, 1965 † - (TEICHERTICERATIDAE) (FOSSIL)
- primigenitus, Mimosphinctes primigenitus Erben, 1965 † - (MIMOSPHINCTIDAE) (FOSSIL)
- primigenium, Endoceras primigenium (Vanuxem, 1842 †) - (ENDOCERATIDAE) (FOSSIL)
- primigenius, Bostryx primigenius A.S.H. Breure, 2008 - (BULIMULIDAE)
- primigenius, Pyramus primigenius A.F. Gonzalez, 1972 † - (MEGADESMIDAE) (FOSSIL)
- primigenius, Trimarginites primigenius Jeannet, 1951 † - (OPPELIIDAE) (FOSSIL)
- primigenius, Strobeus primigenius T.A. Conrad, 1835 † - syn of: Strobeus primogenius (T.A. Conrad, 1835 †) - (SOLENISCIDAE) (FOSSIL)
- Primigulella, Subgenus Gulella (Primigulella) H.A. Pilsbry, 1919 (STREPTAXIDAE)
- Primipupilla, Subgenus Gibbulinopsis (Primipupilla) H.A. Pilsbry, 1921 (PUPILLIDAE)
- Primipupilla, syn of: Genus Gibbulinopsis J. Germain, 1919 (PUPILLIDAE)
- primitia, Atlanta primitia E.A. Smith, 1888 - syn of: Atlanta lesueurii J.E. Gray, 1850 - (ATLANTIDAE)
- primitiva, Cleionychia primitiva Isberg, 1934 † - (AMBONYCHIIDAE) (FOSSIL)
- primitiva, Arca primitiva Phillips † - (ARCIDAE) (FOSSIL)
- primitiva, Ameranna primitiva B.M. Landau & G.J. Vermeij, 2012 † - (BUCCINIDAE) (FOSSIL)
- primitiva, Rhabdostropha primitiva Longst, 1924 † - (LOXONEMATIDAE) (FOSSIL)
- primitiva, Plicopurpura primitiva B.M. Landau & G.J. Vermeij, 2010 † - (MURICIDAE) (FOSSIL)
- primitiva, Diloma primitiva Worsley, 1971 † - (TROCHIDAE) (FOSSIL)
- Primitiviptychites, Subgenus Polyptychites (Primitiviptychites) Bogoslowsky, 1902 (POLYPTYCHITIDAE) (FOSSIL)
- primitivobsoleta, Ambiguella primitivobsoleta (Schütt, 1985) † - (CLAUSILIIDAE) (FOSSIL)
- primitivum, Kufengoceras primitivum Leonova, 2002 † - syn of: Kufengoceras umbilicatum (J.K. Zhao, 1955 †) - (CYCLOLOBIDAE) (FOSSIL)
- primitivum, Carychium primitivum A.A. Schileyko, 1967 - syn of: Carychium lederi O. Böttger, 1880 - (ELLOBIIDAE)
- primitivus, Barremites primitivus Cecca & al., 1998 † - (BARREMITIDAE) (FOSSIL)
- primitivus, Cladiscites primitivus E.A.L. Kittl, 1908 † - syn of: Sphaerocladiscites omolonensis Bytschkov, 1976 † - (CLADISCITIDAE) (FOSSIL)
- primitivus, Conus primitivus Collignon, 1949 † - (CONIDAE) (FOSSIL)
- primitivus, Crioceratites primitivus Reboulet, 1996 † - (CRIOCERATITIDAE) (FOSSIL)
- primitivus, Limax primitivus H.R. Simroth, 1894 - syn of: Vitrinoides monticola armeniacus (H.R. Simroth, 1886) - (LIMACIDAE)
- primitivus, Metacanites primitivus Kullmann, 1963 † - (PROLECANITIDA (UNASSIGNED)) (FOSSIL)
- primitivus, Prolecanites primitivus Kullmann, 1963 † - (PROLECANITIDAE) (FOSSIL)
- primitivus, Claraioides primitivus (Yin, 1983 †) - (PTERINOPECTINIDAE) (FOSSIL)
- primitivus, Archaeoradiolites primitivus Fenerci-Masse & al., 2006 † - (RADIOLITIDAE) (FOSSIL)
- primitractus, Linopyrga primitractus (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- primitractus, Linopyrga primitractus E. Saurin, 1959 - syn of: Linopyrga primitractus (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- primogenia, Sphaerodoma primogenia T.A. Conrad, 1835 † - syn of: Strobeus primogenius (T.A. Conrad, 1835 †) - (SPHAERODOMIDAE) (FOSSIL)
- primogenium, Sphaerodoma primogenium T.A. Conrad, 1835 † - syn of: Strobeus primogenius (T.A. Conrad, 1835 †) - (SPHAERODOMIDAE) (FOSSIL)
- primogenius, Strobeus primogenius (T.A. Conrad, 1835 †) - (SOLENISCIDAE) (FOSSIL)
- Primogoniatites, Genus Primogoniatites Korn & al., 2010 (GONIATITIDAE) (FOSSIL)
- primolevis, Adelocythara primolevis W.P. Woodring, 1928 † - (TURRIDAE) (FOSSIL)
- primordia, Strophiops primordia C.J. Maynard & W.F. Clapp, 1921 - (CERIONIDAE)
- primordiale, Elobiceras primordiale F. Haas, 1942 † - (BRANCOCERATIDAE) (FOSSIL)
- primordialis, Pseudinvoluticeras primordialis Vennari, 2016 † - (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- primordialis, Bellerophon primordialis von Schlotheim, 1820 † - syn of: Coloniacirrus primordialis (von Schlotheim, 1820 †) - (BELLEROPHONTIDAE) (FOSSIL)
- primordialis, Ophileta primordialis Vanuxem 1842 † - (OPHILETIDAE) (FOSSIL)
- primordialis, Planorbis primordialis Piton, 1940 † - (PLANORBIDAE) (FOSSIL)
- primordialis, Coloniacirrus primordialis (von Schlotheim, 1820 †) - (PORCELLIIDAE) (FOSSIL)
- primordialis, Schizopea primordialis (Winchell, 1864 †) - (SINUOPEIDAE) (FOSSIL)
- primordius, Judicarites primordius J.K. Zhao & Wang, 1974 † - (DANUBITIDAE) (FOSSIL)
- primore, Svetlanoceras primore Bogoslovskaya & A.M. Popov, 1986 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- primorica, Cyrtorostra primorica Kushnar, 1986 † - (DELTOPECTINIDAE) (FOSSIL)
- primoriensis, Ussuriflemingites primoriensis Y. Shigeta & Zakharov, 2009 † - (FLEMINGITIDAE) (FOSSIL)
- primoris, Boesites primoris Ruzhentsev, 1950 † - (DARAELITIDAE) (FOSSIL)
- primoris, Pseudodicoelites primoris Sachs, 1975 † - (PSEUDODICOELITIDAE) (FOSSIL)
- primorjensis, Dendronotus primorjensis A.V. Martynov, N. Sanamyan & T.A. Korshunova, 2015 - (DENDRONOTIDAE)
- primorjensis, Tritonia primorjensis Y.S. Minichev, 1971 - syn of: Tochuina tetraquetra diomedea (L.S.R. Bergh, 1894) - (TRITONIIDAE)
- primorjensis, Cristariopsis primorjensis V.V. Bogatov & F. Zatrawkin, 1988 - syn of: Sinanodonta woodiana (I. Lea, 1834) - (UNIONIDAE)
- primorum, Eulimella primorum A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- Primovula, Genus Primovula K.H.J. Thiele, 1925 (OVULIDAE)
- primula, Bulimus primula L.A. Reeve, 1848 - syn of: Mesembrinus studeri (L. Pfeiffer, 1847) - (BULIMULIDAE)
- primula, Conus primula L.A. Reeve, 1849 - syn of: Virgiconus lividus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- primula, Buchema primula (J.C. Melvill, 1923) - (HORAICLAVIDAE)
- primula, Dceruska primula Barrande, 1881 † - (MODIOMORPHIDAE) (FOSSIL)
- primula, Turbonitella primula J. Perner, 1903 † - (NERITOPSIDAE) (FOSSIL)
- primula, Tubogyra primula J. Perner, 1903 † - (ORIOSTOMATIDAE) (FOSSIL)
- primula, Palaeacmaea primula J. Perner, 1903 † - syn of: Patelliconus primulus (Barrande in J. Perner, 1903 †) - (PALAEACMAEIDAE) (FOSSIL)
- primulafontensis, Eyrena primulafontensis (Etheridge, 1902 †) - (MYTILIDAE) (FOSSIL)
- primularis, Drymaeus mexicanus primularis (L.A. Reeve, 1849) - (BULIMULIDAE)
- primulum, Scyphoceras primulum Shimanskiy, 1967 † - (SCYPHOCERATIDAE) (FOSSIL)
- primulus, Lituites primulus Barrande, 1865 † - syn of: Trocholites fugax Babin & Gutiérrez-Marco, 1992 † - (LITUITIDAE) (FOSSIL)
- primulus, Patelliconus primulus (Barrande in J. Perner, 1903 †) - (PATELLICONIDAE) (FOSSIL)
- primum, Bisatoceras primum Miller & Owen, 1937 † - (BISATOCERATIDAE) (FOSSIL)
- primum, Cristilabrum primum G.A. Solem, 1981 - (CAMAENIDAE)
- primum, Cerithioderma primum T.A. Conrad, 1860 † - (CAPULIDAE) (FOSSIL)
- primum, Xenoprotrachyceras primum Wang, 1983 † - (CERATITIDAE) (FOSSIL)
- primum, Girtyoceras primum W. Korn & Titus, 2011 † - (GIRTYOCERATIDAE) (FOSSIL)
- primum, Condraoceras primum Miller & al., 1947 † - (LIROCERATIDAE) (FOSSIL)
- primum, Michelinoceras primum Flower, 1962 † - (MICHELINOCERATIDAE) (FOSSIL)
- primum, Murrayoceras primum Flower, 1955 † - (SACTORTHOCERATIDAE) (FOSSIL)
- primus, Crenilabium primus L. de Folin, 1871 - syn of: Crenilabium exile (J.G. Jeffreys, 1870) - (ACTEONIDAE)
- primus, Proshumardites primus (Plummer & P.H. Scott, 1937 †) - (AGATHICERATIDAE) (FOSSIL)
- primus, Eocephalites primus Imlay, 1967 † - (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- primus, Pterocheilos primus Moore † - (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- primus, Dermatobranchus primus K. Baba, 1976 - (ARMINIDAE)
- primus, Hemibactrites primus Shimanskiy, 1954 † - (BACTRITIDAE) (FOSSIL)
- primus, Graphiconus primus (D. Röckel & W. Korn, 1990) - (CONIDAE)
- primus, Ectenolites primus Flower, 1964 † - (ELLESMEROCERATIDAE) (FOSSIL)
- primus, Karolus primus L. de Folin, 1870 - syn of: Karolus consobrinus primus (L. de Folin, 1870) - (FERUSSACIIDAE)
- primus, Karolus consobrinus primus (L. de Folin, 1870) - (FERUSSACIIDAE)
- primus, Neograhamites primus Olivero, 2012 † - (KOSSMATICERATIDAE) (FOSSIL)
- primus, Prouddenites primus Miller, 1930 † - (MEDLICOTTIIDAE) (FOSSIL)
- primus, Planktomya primus É.A.A. Locard, 1899 - syn of: Planktomya prima (É.A.A. Locard, 1899) - (MONTACUTIDAE)
- primus, Oxyteuthis primus Blaszkiewicz, 1963 † - (OXYTEUTHIDIDAE) (FOSSIL)
- primus, Sulcobuccinum primus (J.L.M. Defrance, 1827 †) - (PSEUDOLIVIDAE) (FOSSIL)
- primus, Chumazites primus Ruzhencev & Bogoslovskaya, 1978 † - (RHYMMOCERATIDAE) (FOSSIL)
- primus, Scaphander primus T.H. Aldrich, 1885 † - (SCAPHANDRIDAE) (FOSSIL)
- primus, Kardailites primus Ruzhentsev & Bogoslovskaya, 1971 † - (STENOGLAPHYRITIDAE) (FOSSIL)
- prinadae, Probaicalia prinadae Martinson, 1949 † - (HYDROBIIDAE) (FOSSIL)
- princei, Sinployea princei (E.A. Liardet, 1876) - (CHAROPIDAE)
- princei, Gulella princei (H.B. Preston, 1911) - (STREPTAXIDAE)
- princepi, Platyphysa princepi Sowerby, 1840 † - syn of: Physa prinsepii Sowerby, 1840 † - (PHYSIDAE) (FOSSIL)
- princepoides, Placopecten princepoides (E. Emmons, 1858 †) - (PECTINIDAE) (FOSSIL)
- princeps, Ammonites princeps de Koninck, 1844 † - syn of: Ammonellipsites princeps (de Koninck, 1844 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- princeps, Kutatissites princeps (Avram, 1976 †) - (ANCYLOCERATIDAE) (FOSSIL)
- princeps, Simionescites princeps Avram, 1976 † - syn of: Kutatissites princeps (Avram, 1976 †) - (ANCYLOCERATIDAE) (FOSSIL)
- princeps, Digitolabrum princeps (Vasseur, 1881 †) - (APORRHAIDAE) (FOSSIL)
- princeps, Architeuthis princeps A.E. Verrill, 1875 - syn of: Architeuthis dux J.J.S. Steenstrup, 1857 - (ARCHITEUTHIDAE)
- princeps, Calocochlia coccomelos princeps (G.B. I Sowerby, 1841) - (BRADYBAENIDAE)
- princeps, Callochiton princeps P.P. Carpenter in H.A. Pilsbry, 1892 - (CALLOCHITONIDAE)
- princeps, Crepidula princeps T.A. Conrad, 1855 † - (CALYPTRAEIDAE) (FOSSIL)
- princeps, Selenophaedusa princeps H. Nordsieck, 2012 - (CLAUSILIIDAE)
- princeps, Sprattia sowerbyana princeps H. Nordsieck, 2004 - (CLAUSILIIDAE)
- princeps, Omphaloptycha princeps (Stoppani, 1858 †) - (COELOSTYLINIDAE) (FOSSIL)
- princeps, Ductoconus princeps (C. Linnaeus, 1758) - (CONIDAE)
- princeps, Conus princeps P.F. Röding, 1798 - syn of: Leptoconus ammiralis (C. Linnaeus, 1758) - (CONIDAE)
- princeps, Conus princeps H.S. Holten, 1802 - syn of: Rhizoconus vexillum (J.F. Gmelin, 1791) - (CONIDAE)
- princeps, Leporicypraea princeps J.E. Gray, 1824 - syn of: Leporicypraea valentia (G. Perry, 1811) - (CYPRAEIDAE)
- princeps, Pachydiscus princeps Anderson, 1958 † - syn of: Neodesmoceras princeps (Anderson, 1958 †) - (DESMOCERATIDAE) (FOSSIL)
- princeps, Neodrillia princeps P.J. Fallon, 2016 - (DRILLIIDAE)
- princeps, Triplofusus princeps (Sowerby, 1825) - (FASCIOLARIIDAE)
- princeps, Fasciolaria princeps G.B. I Sowerby, 1825 - syn of: Triplofusus princeps (Sowerby, 1825) - (FASCIOLARIIDAE)
- princeps, Cremoria princeps J.W. Mighels & C.B. Adams, 1842 - syn of: Puncturella noachina (C. Linnaeus, 1771) - (FISSURELLIDAE)
- princeps, Goniatites princeps de Koninck, 1843 † - syn of: Pericyclus princeps (de Koninck, 1843 †) - (GONIATITIDAE) (FOSSIL)
- princeps, Helicarion princeps T. Iredale, 1944 - (HELICARIONIDAE)
- princeps, Clydonacme princeps F.G. Thompson, 2006 - (HUMBOLDTIANIDAE)
- princeps, Nevadotheca princeps (Billings, 1872 †) - (HYOLITHIDAE) (FOSSIL)
- princeps, Iravadia princeps H.B. Preston, 1915 - syn of: Iravadia ornata H.F. Blanford, 1867 - (IRAVADIIDAE)
- princeps, Eccyliopterus princeps Remelé, 1888 † - syn of: Eccyliopterus regularis (Remelé, 1888 †) - (LESUEURILLIDAE) (FOSSIL)
- princeps, Closia princeps (G.B. III Sowerby, 1901) - (MARGINELLIDAE)
- princeps, Melanopsis princeps I. Lea, 1837 - syn of: Faunus ater (C. Linnaeus, 1758) - (MELANOPSIDAE)
- princeps, Hexaplex princeps (W.J. Broderip, 1833) - (MURICIDAE)
- princeps, Babelomurex princeps (J.C. Melvill, 1912) - (MURICIDAE)
- princeps, Cryptomya princeps (A. Adams, 1851) - (MYIDAE)
- princeps, Sphenia princeps A. Adams, 1851 - syn of: Cryptomya princeps (A. Adams, 1851) - (MYIDAE)
- princeps, Barbacyclus princeps (H.A. Pilsbry, 1935) - (NEOCYCLOTIDAE)
- princeps, Bolloceras princeps (Barrande, 1877 †) - (NOTHOCERATIDAE) (FOSSIL)
- princeps, Truncacila princeps H.G. Schenck, 1943 † - (NUCULIDAE) (FOSSIL)
- princeps, Ecculiomphalus princeps Remelé, 1888 † - syn of: Eccyliopterus regularis (Remelé, 1888 †) - (OPHILETIDAE) (FOSSIL)
- princeps, Oriostoma princeps Oehlert, 1877 † - (ORIOSTOMATIDAE) (FOSSIL)
- princeps, Orthalicus princeps (W.J. Broderip, 1833) - (ORTHALICIDAE)
- princeps, Ostrea princeps Woods, 1850 † - (OSTREIDAE) (FOSSIL)
- princeps, Faunus princeps I. Lea, 1837 - syn of: Faunus ater (C. Linnaeus, 1758) - (PACHYCHILIDAE)
- princeps, Neodesmoceras princeps (Anderson, 1958 †) - (PACHYDISCIDAE) (FOSSIL)
- princeps, Pseudamussium princeps (Sowerby, 1826 †) - (PECTINIDAE) (FOSSIL)
- princeps, Ammonellipsites princeps (de Koninck, 1844 †) - (PERICYCLIDAE) (FOSSIL)
- princeps, Pericyclus princeps (de Koninck, 1843 †) - (PERICYCLIDAE) (FOSSIL)
- princeps, Phasianella princeps J.L.M. Defrance, 1826 † - (PHASIANELLIDAE) (FOSSIL)
- princeps, Phragmoceras princeps Barrande, 1877 † - syn of: Bolloceras princeps (Barrande, 1877 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- princeps, Mexinauta princeps (B. Phillips, 1846) - (PHYSIDAE)
- princeps, Visitator princeps Dunbar, 1920 † - syn of: Visitator tennesseensis (Dunbar, 1920 †) - (PLATYCERATIDAE) (FOSSIL)
- princeps, Distemnostoma princeps Dunbar, 1920 † - syn of: Visitator tennesseensis (Dunbar, 1920 †) - (PLATYCERATIDAE) (FOSSIL)
- princeps, Chondropoma princeps F.G. Thompson - (POMATIIDAE)
- princeps, Knefastia princeps S.S. Berry, 1953 - (PSEUDOMELATOMIDAE)
- princeps, Turbonilla princeps H.B. Preston, 1905 - syn of: Terenolla pygmaea (R.B. Hinds, 1844) - (PYRAMIDELLIDAE)
- princeps, Dientomochilus princeps Vasseur, 1881 † - syn of: Digitolabrum princeps (Vasseur, 1881 †) - (RIMELLIDAE) (FOSSIL)
- princeps, Zebinella princeps (C.B. Adams, 1850) - (RISSOINIDAE)
- princeps, Rissoina princeps (C.B. Adams, 1850) - syn of: Zebinella princeps (C.B. Adams, 1850) - (RISSOINIDAE)
- princeps, Liotella princeps C.F. Laseron, 1954 - syn of: Liotella johnstoni (R.H. Beddome, 1883) - (SKENEIDAE)
- princeps, Spondylus princeps W.J. Broderip, 1833 - syn of: Spondylus crassisquama J.B.P.A. Lamarck, 1819 - (SPONDYLIDAE)
- princeps, Obeliscus maximus princeps H.A. Pilsbry, 1906 - (SUBULINIDAE)
- princeps, Tellina princeps S.C.T. Hanley, 1844 - (TELLINIDAE)
- princeps, Terenolla princeps H.B. Preston, 1905 - syn of: Terenolla pygmaea (R.B. Hinds, 1844) - (TEREBRIDAE)
- princeps, Costatophora princeps (G.B. III Sowerby, 1904) - (TRIPHORIDAE)
- princeps, Turbo princeps R.A. Philippi, 1846 - syn of: Marmarostoma argyrostomus (C. Linnaeus, 1758) - (TURBINIDAE)
- princeps, Spirostemma princeps (C.B. Adams, 1851) - (UROCOPTIDAE)
- princeps angasianum, Aperostoma princeps angasianum H.A. Pilsbry, 1935 - syn of: Barbacyclus boucardi (G.F. Angas, 1878) - (NEOCYCLOTIDAE)
- princeps apogrammatus, Conus princeps apogrammatus W.H. Dall, 1910 - syn of: Ductoconus princeps (C. Linnaeus, 1758) - (CONIDAE)
- princeps castaneocinctus, Babelomurex princeps castaneocinctus (S. Kosuge, 1980) - (MURICIDAE)
- princeps crossei, Orthalicus princeps crossei E.C. Von Martens, 1893 - (ORTHALICIDAE)
- princeps deceptor, Orthalicus princeps deceptor H.A. Pilsbry, 1899 - (ORTHALICIDAE)
- princeps elegans, Orthalicus princeps elegans H. Rolle, 1895 - syn of: Orthalicus elegans H. Rolle, 1895 - (ORTHALICIDAE)
- princeps fischeri, Orthalicus princeps fischeri E.C. Von Martens, 1893 - (ORTHALICIDAE)
- princeps perlongus, Orthalicus princeps perlongus (H.A. Pilsbry, 1899) - (ORTHALICIDAE)
- princeps trifractus, Orthalicus princeps trifractus (H.A. Pilsbry, 1899) - (ORTHALICIDAE)
- princesae, Teredora princesae (P.B. Sivickis, 1928) - (TEREDINIDAE)
- princessae, Chlamys princessae J.T. Kuroda, T. Habe & K. Oyama, 1971 - syn of: Laevichlamys deliciosa (T. Iredale, 1939) - (PECTINIDAE)
- princetonia, Cheilea princetonia J. Brown & H.A. Pilsbry, 1911 † - (HIPPONICIDAE) (FOSSIL)
- principale, Epitonium principale P.S. Pallas, 1774 - syn of: Epitonium worsfoldi R. Robertson, 1994 - (EPITONIIDAE)
- principale, Epitonium principale P.F. Röding, 1798 - syn of: Epitonium scalare (C. Linnaeus, 1758) - (EPITONIIDAE)
- principale, Prostacheoceras principale Bogoslovskaya & A.M. Popov, 1986 † - (VIDRIOCERATIDAE) (FOSSIL)
- principalifera, Albinaria confusa principalifera H. Nordsieck, 2015 - (CLAUSILIIDAE)
- principalifera, Armenica gracillima principalifera H. Nordsieck, 1994 - (CLAUSILIIDAE)
- principalis, Proshumardites principalis Ruzhentsev & Bogoslovskaya, 1971 † - (AGATHICERATIDAE) (FOSSIL)
- principalis, Typhlomangelia principalis K.H.J. Thiele, 1912 - (BORSONIIDAE)
- principalis, Amphidromus principalis C. Sutcharit & S. Panha, 2015 - (CAMAENIDAE)
- principalis, Euchelus principalis H.A. Pilsbry, 1890 - (CHILODONTIDAE)
- principalis, Margaritiphaedusa principalis (P.V. Gredler, 1881) - (CLAUSILIIDAE)
- principalis, Chamalycaeus tokunoshimanus principalis H.A. Pilsbry & Y. Hirase, 1909 - (CYCLOPHORIDAE)
- principalis, Drillia principalis H.A. Pilsbry, 1895 - syn of: Inquisitor jeffreysii (E.A. Smith, 1875) - (DRILLIIDAE)
- principalis, Epitonium principalis G.B. Sowerby, 1844 - syn of: Epitonium albidum (A.V.M.D. D'Orbigny, 1842) - (EPITONIIDAE)
- principalis, Synartinskia principalis Ruzhentsev, 1939 † - (MEDLICOTTIIDAE) (FOSSIL)
- principalis, Pagodulina pagodula principalis M. Klemm, 1939 - (ORCULIDAE)
- principalis, Tropidophora principalis (L. Pfeiffer, 1859) - (POMATIIDAE)
- principalis, Funa principalis H.A. Pilsbry, 1895 - syn of: Inquisitor jeffreysii (E.A. Smith, 1875) - (PSEUDOMELATOMIDAE)
- principalis, Odostomia principalis A. Peñas, E. Rolán & F. Swinnen, 2014 - (PYRAMIDELLIDAE)
- principalis, Pleurotoma principalis H.A. Pilsbry, 1895 - syn of: Inquisitor jeffreysii (E.A. Smith, 1875) - (TURRIDAE)
- principensis, Assiminea principensis E. Rolán, 2013 - (ASSIMINEIDAE)
- principensis, Muricopsis principensis (E. Rolán & F. Fernandes, 1991) - (MURICIDAE)
- principensis, Risomurex principensis E. Rolán & F. Fernandes, 1991 - syn of: Muricopsis principensis (E. Rolán & F. Fernandes, 1991) - (MURICIDAE)
- principensis, Cochlodinella principensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- principialis, Chamalycaeus principialis H.A. Pilsbry & Y. Hirase, 1909 - (CYCLOPHORIDAE)
- principis, Powellisetia principis (R.B. Watson, 1886) - (RISSOIDAE)
- principiswalliae, Kaloplocamus principiswalliae C. Collingwood, 1881 - syn of: Kaloplocamus ramosus (F.J. Cantraine, 1835) - (POLYCERIDAE)
- princips, Tetracionites princips Senesse 1946 † - (HIPPURITIDAE) (FOSSIL)
- pringi, Cochlicella pringi L. Pfeiffer, 1848 - syn of: Cochlicella conoidea (J.P.R. Draparnaud, 1801) - (COCHLICELLIDAE)
- pringlei, Paravirgatites pringlei (Buckman) † - (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- pringlei, Afrivoluta pringlei J.R. le B. Tomlin, 1947 - (MARGINELLIDAE)
- prinocidaricola, Hipponix prinocidaricola T. Habe & T. Kanazawa, 1991 - (HIPPONICIDAE)
- prinohila, Helicella prinohila J.F. Mabille - syn of: Helicella bolenensis É.A.A. Locard, 1882 - (HYGROMIIDAE)
- prinsepii, Physa prinsepii Sowerby, 1840 † - (PHYSIDAE) (FOSSIL)
- prinsi, Odostomia prinsi J.J. Van Aartsen, E. Gittenberger & J. Goud, 1998 - (PYRAMIDELLIDAE)
- prinzi, Hammatoceras prinzi Geczy, 1966 † - syn of: Bredyia rugata Buckman, 1925 † - (HAMMATOCERATIDAE) (FOSSIL)
- Priodelima, syn of: Genus Lampedusa O. Bφttger, 1877 (CLAUSILIIDAE)
- Priodiscus, Genus Priodiscus E.C. Von Martens, 1898 (RHYTIDIDAE)
- Priodontura, syn of: Genus Lysinoe H. Adams & A. Adams, 1855 (XANTHONYCHIDAE)
- priolana, Coralliophila priolana F. Settepassi, 1971 - syn of: Babelomurex tectumsinensis (G.P. Deshayes, 1856) - (MURICIDAE)
- prion, Cerodrillia prion (J. Gardner, 1938 †) - (DRILLIIDAE) (FOSSIL)
- prionata, Kurtziella prionata Gardner, 1937 † - (MANGELIIDAE) (FOSSIL)
- prionatus, Murexsul prionatus (R. Tate, 1888 †) - (MURICIDAE) (FOSSIL)
- prionifer, Spondylus prionifer T. Iredale, 1931 - (SPONDYLIDAE)
- Prionites, Genus Prionites Waagen , 1895 (PRIONITIDAE) (FOSSIL)
- PRIONITIDAE Hyatt, 1900 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-MEEKOCERATOIDEA [Superfamily]) (FOSSIL)
- Prionoceras, Genus Prionoceras Sepkoski Jr., 2002 (PRIONOCERATIDAE) (FOSSIL)
- PRIONOCERATIDAE Hyatt, 1884 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-GONIATITIDA [Order]-PRIONOCERATOIDEA [Superfamily]) (FOSSIL)
- prionocidaricola, Trochostilifer prionocidaricola T. Habe, 1974 - syn of: Trochostilifer striatus (C. Hedley, 1905) - (EULIMIDAE)
- prionocidaricola, Hipponix prionocidaricola T. Habe & T. Kanazawa, 1991 - syn of: Hipponix prinocidaricola T. Habe & T. Kanazawa, 1991 - (HIPPONICIDAE)
- Prionocyclites, Genus Prionocyclites Kennedy , 1988 (COLLIGNONICERATIDAE) (FOSSIL)
- Prionocycloceras, Genus Prionocycloceras Spath , 1926 (COLLIGNONICERATIDAE) (FOSSIL)
- Prionocycloides, syn of: Genus Algericeras Spath , 1925 (BRANCOCERATIDAE) (FOSSIL)
- Prionocyclus, Genus Prionocyclus Meek , 1876 (COLLIGNONICERATIDAE) (FOSSIL)
- prionodes, Prionodoceras prionodes S.S. Buckman † - (CARDIOCERATIDAE) (FOSSIL)
- Prionodoceras, Genus Prionodoceras Buckman, 1920 (CARDIOCERATIDAE) (FOSSIL)
- prionodonta, Canthidomus prionodonta Handmann, 1887 † - (MELANOPSIDAE) (FOSSIL)
- prionoides, Stacheites prionoides E.A.L. Kittl, 1903 † - (DINARITIDAE) (FOSSIL)
- Prionolobus, Genus Prionolobus Tozer, 1961 (PROPTYCHITIDAE) (FOSSIL)
- Prionoloplax, Genus Prionoloplax H.A. Pilsbry, 1953 (EPIROBIIDAE)
- Prionoplax, Subgenus Holospira (Prionoplax) H.A. Pilsbry, 1953 (UROCOPTIDAE)
- prionopleura, Prosodacna prionopleura N.I. Andrusov † - (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- prionoptychia, Tornatellides prionoptychia C.M. Cooke & H.A. Pilsbry, 1915 - (ACHATINELLIDAE)
- prionota, Scobinella prionota Cooke, 1928 † - (CLATHURELLIDAE) (FOSSIL)
- prionota, Kurtziella prionota J. Gardner, 1937 † - (MANGELIIDAE) (FOSSIL)
- prionotropis, Ariophanta prionotropis (O.F. von Möllendorff, 1898) - (ARIOPHANTIDAE)
- prionotropis, Laeocathaica prionotropis O.F. von Möllendorff, 1899 - (BRADYBAENIDAE)
- Prionotropis, syn of: Genus Collignoniceras Breistroffer , 1947 (COLLIGNONICERATIDAE) (FOSSIL)
- prionotus, Dischides prionotus (R.B. Watson, 1879) - (GADILIDAE)
- prionotus, Ocenebra prionotus R. Tate, 1888 † - (MURICIDAE) (FOSSIL)
- Prionovolva, Genus Prionovolva T. Iredale, 1930 (OVULIDAE)
- prior, Bathytoma prior (P. Vella, 1954 †) - (BORSONIIDAE) (FOSSIL)
- prior, Perplicaria prior C.J. Maury, 1910 † - (CANCELLARIIDAE) (FOSSIL)
- prior, Fayettevillea prior Kullmann, 1962 † - (GLAPHYRITIDAE) (FOSSIL)
- prior, Ostrea prior Grant & Eaton, 1941 † - syn of: Crassostrea titan (T.A. Conrad, 1853 †) - (OSTREIDAE) (FOSSIL)
- prior, Neopronorites prior Ruzhentsev, 1949 † - (PRONORITIDAE) (FOSSIL)
- prior, Struthiolaria prior Finlay, 1926 - (STRUTHIOLARIIDAE)
- priorai, Joculator priorai A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- prioratensis, Moitessieria prioratensis J. Corbella, D.M. Alba, A. Tarruella & al., 2009 - (MOITESSIERIIDAE)
- prioris, Conus prioris J.T. Kuroda, 1956 - syn of: Fusiconus ichinoseana (J.T. Kuroda, 1956) - (CONIDAE)
- priosculpta, Crossostephanus priosculpta F.G. Thompson & L.R. Correa-Sandoval, 1994 - (UROCOPTIDAE)
- Priotrochatella, Subgenus Eutrochatella (Priotrochatella) P. Fischer, 1893 (HELICINIDAE)
- Priotrochus, Genus Priotrochus P. Fischer in L.C. Kiener & P. Fischer, 1880 (TROCHIDAE)
- prisca, Anomia prisca C. Gemmellaro, 1896 † - (ANOMIIDAE) (FOSSIL)
- prisca, Etallonia prisca G.P. Deshayes, 1862 † - syn of: Fusulculus priscus (G.P. Deshayes, 1862 †) - (BENTHOBIIDAE) (FOSSIL)
- prisca, Dalliella prisca (P. Oppenheim, 1906 †) - (CAPULIDAE) (FOSSIL)
- prisca, Capulus prisca G.A. Goldfuss, 1844 † - (CAPULIDAE) (FOSSIL)
- prisca, Strophiops prisca C.J. Maynard & W.F. Clapp, 1915 - (CERIONIDAE)
- prisca, Dendropa prisca B. Marshall & T.H. Worthy, 2017 † - (CHAROPIDAE) (FOSSIL)
- prisca, Corbula prisca E.C. Von Martens, 1880 - syn of: Erodona mactroides F.M. Daudin, 1802 - (CORBULIDAE)
- prisca, Archicypraea prisca (G.P. Deshayes, 1865 †) - (CYPRAEIDAE) (FOSSIL)
- prisca, Eotomaria prisca Billings, 1859 † - syn of: Ectomaria prisca (Billings, 1859 †) - (EOTOMARIIDAE) (FOSSIL)
- prisca, Acirsa prisca (H.H. Suter, 1917 †) - (EPITONIIDAE) (FOSSIL)
- prisca, Erodona prisca E.C. Von Martens, 1880 - syn of: Erodona mactroides F.M. Daudin, 1802 - (ERODONIDAE)
- prisca, Archaeomenia prisca K.H.J. Thiele, 1906 - (HEMIMENIIDAE)
- prisca, Dumortieria prisca (Buckman, 1891 †) - (HILDOCERATIDAE) (FOSSIL)
- prisca, Pyrgula prisca (M. von Neumayr in Herbich & M. von Neumayr, 1875 †) - (HYDROBIIDAE) (FOSSIL)
- prisca, Ectomaria prisca (Billings, 1859 †) - (LOPHOSPIRIDAE) (FOSSIL)
- prisca, Ruedemannia prisca E.F.R.K. Koken & J. Perner, 1925 † - syn of: Ruedemannia lirata (Ulrich & Scofield, 1897 †) - (LOPHOSPIRIDAE) (FOSSIL)
- prisca, Loxonema prisca Münster, 1840 † - syn of: Mesocoelia priscum (Münster, 1840 †) - (LOXONEMATIDAE) (FOSSIL)
- prisca, Illionia prisca (Hisinger, 1837 †) - (LUCINIDAE) (FOSSIL)
- prisca, Friginatica prisca (J. Marwick, 1924 †) - (NATICIDAE) (FOSSIL)
- prisca, Neritina prisca C. Gemmellaro, 1889 † - syn of: Naticopsis priscus C. Gemmellaro, 1889 † - (NERITIDAE) (FOSSIL)
- prisca, Nerita prisca C. Gemmellaro, 1889 † - syn of: Naticopsis priscus C. Gemmellaro, 1889 † - (NERITIDAE) (FOSSIL)
- prisca, Jupiteria prisca (G.P. Deshayes, 1858 †) - (NUCULANIDAE) (FOSSIL)
- prisca, Oryzoconcha prisca Jell, 1980 † - syn of: Pojetaia runnegari Jell, 1980 † - (NUCULIDA (unassigned)) (FOSSIL)
- prisca, Oryzoconcha prisca He & Pei, 1985 † - syn of: Pojetaia runnegari Jell, 1980 † - (NUCULIDA (unassigned)) (FOSSIL)
- prisca, Palaeonucula prisca Kurushin, 1985 † - (NUCULIDAE) (FOSSIL)
- prisca, Aviculopinna prisca (Münster, 1839 †) - (PINNIDAE) (FOSSIL)
- prisca, Plesioteuthis prisca (Rüppel, 1829 †) - (PLESIOTEUTHIDIDAE) (FOSSIL)
- prisca, Praticolella prisca K. Auffenberg & R. Portell, 1990 † - (POLYGYRIDAE) (FOSSIL)
- prisca, Pseudophorus prisca (F. McCoy, 1844 †) - (PSEUDOPHORIDAE) (FOSSIL)
- prisca, Pinctada prisca L. Waagen, 1880 † - syn of: Anomphalus priscus L. Waagen, 1880 † - (PTERIIDAE) (FOSSIL)
- prisca, Alvania prisca F. McCoy, 1844 † - syn of: Pseudophorus prisca (F. McCoy, 1844 †) - (RISSOIDAE) (FOSSIL)
- prisca, Seguenzia prisca B.A. Marshall, 1983 † - (SEGUENZIIDAE) (FOSSIL)
- prisca, Martinella prisca K.H.J. Thiele, 1927 - (STREPTAXIDAE)
- prisca, Trochotoma prisca C. Gemmellaro, 1889 † - (TROCHOTOMIDAE) (FOSSIL)
- prisca, Actaeonema prisca T.A. Conrad, 1865 † - (TURRITELLIDAE) (FOSSIL)
- prisca, Lyropupa prisca (C.M.F. Ancey, 1904) - (VERTIGINIDAE)
- prisca, Paludina prisca L. von G. Tausch, 1886 † - syn of: Czabalaya kordosi K. Bandel & F. Riedel, 1994 † - (VIVIPARIDAE) (FOSSIL)
- prisca, Conomitra prisca G.P. Deshayes, 1865 † - (VOLUTOMITRIDAE) (FOSSIL)
- priscai, Cylinder priscai L. Bozzetti, 2012 - (CONIDAE)
- priscai, Fusinus tuberculatus priscai L. Bozzetti, 2013 - (FASCIOLARIIDAE)
- Priscaphander, Genus Priscaphander Finlay & Marwick, 1937 (SCAPHANDRIDAE) (FOSSIL)
- priscardi, Nassarius priscardi L. Bozzetti, 2006 - (NASSARIIDAE)
- priscilla, Leiostyla priscilla (A. Paladilhe, 1873) - (LAURIIDAE)
- priscillae, Parafossarulus priscillae O. Girotti, 1972 - (BITHYNIIDAE)
- priscinalis, Valvata priscinalis Wood, 1848 † - (VALVATIDAE) (FOSSIL)
- PRISCIOPHORIDAE - syn of Family: BRACHYTREMATIDAE (FOSSIL)
- PRISCIPHORIDAE - syn of Family: BRACHYTREMATIDAE (FOSSIL)
- Priscochiton, Genus Priscochiton Dall, 1882 (PALEOLORICATA (UNASSIGNED)) (FOSSIL)
- Priscoficus, Subgenus Ficus (Priscoficus) Conrad, 1866 (FICIDAE) (FOSSIL)
- Priscofusus, Genus Priscofusus Conrad, 1865 (FASCIOLARIIDAE) (FOSSIL)
- Priscomactra, Genus Priscomactra Stephenson, 1953 (MACTRIDAE) (FOSSIL)
- Prisconatica, Genus Prisconatica Gabb, 1877 (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Priscovitrea, Subgenus Pristiloma (Priscovitrea) F.C. Baker, 1931 (PRISTILOMATIDAE)
- Priscovitreops, Subgenus Pristiloma (Priscovitreops) F.C. Baker, 1931 (PRISTILOMATIDAE)
- priscum, Mogharaeceras priscum (J.H.F. Douvillé, 1916 †) - (BARREMITIDAE) (FOSSIL)
- priscum, Oxygonioceras priscum (Barrande, 1865 †) - (BREVICOCERATIDAE) (FOSSIL)
- priscum, Cyrtendoceras priscum Ruedemann † - syn of: Beekmanoceras priscum (Ruedemann †) - (CYRTENDOCERATIDAE) (FOSSIL)
- priscum, Paradolphia priscum T.L. Casey, 1965 † - (FORBESICERATIDAE) (FOSSIL)
- priscum, Quasintoceras priscum Kuzina, 1974 † - (INTOCERATIDAE) (FOSSIL)
- priscum, Knemiceras priscum J.H.F. Douvillé, 1916 † - syn of: Mogharaeceras priscum (J.H.F. Douvillé, 1916 †) - (KNEMICERATIDAE) (FOSSIL)
- priscum, Bembicium priscum Powell & J.A. Bartrum, 1929 † - (LITTORINIDAE) (FOSSIL)
- priscum, Loxonema priscum Münster, 1840 † - syn of: Mesocoelia priscum (Münster, 1840 †) - (LOXONEMATIDAE) (FOSSIL)
- priscum, Mesocoelia priscum (Münster, 1840 †) - (MURCHISONIIDAE) (FOSSIL)
- priscum, Orecopia priscum (Schlotheim, 1820 †) - (OMPHALOTROCHIDAE) (FOSSIL)
- priscum, Cyrtoceras priscum K.E.I. von Eichwald, 1861 † - syn of: Oonoceras priscum (K.E.I. von Eichwald, 1861 †) - (ONCOCERIDA (unassigned)) (FOSSIL)
- priscum, Oonoceras priscum (K.E.I. von Eichwald, 1861 †) - (OONOCERATIDAE) (FOSSIL)
- priscum, Platyceras priscum G.A. Goldfuss, 1844 † - (PLATYCERATIDAE) (FOSSIL)
- priscum, Beekmanoceras priscum (Ruedemann †) - (TARPHYCERIDA (UNASSIGNED)) (FOSSIL)
- priscum, Teinostoma priscum G.P. Deshayes, 1863 † - (TORNIDAE) (FOSSIL)
- priscus, Anomphalus priscus L. Waagen, 1880 † - (ANOMPHALIDAE) (FOSSIL)
- priscus, Arcestes priscus L. Waagen, 1879 † - (ARCESTIDAE) (FOSSIL)
- priscus, Fusulculus priscus (G.P. Deshayes, 1862 †) - (BENTHOBIIDAE) (FOSSIL)
- priscus, Placostylus ambagiosus priscus A.W.B. Powell, 1938 - (BOTHRIEMBRYONTIDAE)
- priscus, Cirsochilus priscus (Powell, 1935 †) - (COLLONIIDAE) (FOSSIL)
- priscus, Cryptoconus priscus (D.C. Solander in G. Brander, 1766 †) - (CONIDAE) (FOSSIL)
- priscus, Conus priscus Martin, 1931 † - (CONIDAE) (FOSSIL)
- priscus, Naticopsis priscus C. Gemmellaro, 1889 † - (DELPHINULOPSIDAE) (FOSSIL)
- priscus, Habeas priscus L.R.L. Simone, 2013 - (DIPLOMMATINIDAE)
- priscus, Camptoceratops priscus H.H. Godwin-Austen, 1882 † - (JULIIDAE) (FOSSIL)
- priscus, Promytilus priscus Newell, 1942 † - (MYTILIDAE) (FOSSIL)
- priscus, Hessonia priscus (R.P. Whitfield, 1893 †) - (NERRHENIDAE) (FOSSIL)
- priscus, Bahiensis priscus S.G. Cabrera & I. Martínez, 2012 † - (ODONTOSTOMIDAE) (FOSSIL)
- priscus, Ecculiomphalus priscus R.P. Whitfield, 1889 † - (OPHILETIDAE) (FOSSIL)
- priscus, Yangtzeconus priscus Yü, 1979 † - (POLLICINIDAE) (FOSSIL)
- priscus, Mytiloceramus priscus Sey, 1972 † - syn of: Retroceramus priscus (Sey, 1972 †) - (PTERIIDA (unassigned)) (FOSSIL)
- priscus, Retroceramus priscus (Sey, 1972 †) - (RETROCERAMIDAE) (FOSSIL)
- priscus, Subulites priscus d'Eichwald, 1860 † - (SUBULITIDAE) (FOSSIL)
- priscus, Batillus priscus T. Ozawa & M. Tomida, 1996 † - (TURBINIDAE) (FOSSIL)
- priscus approximatus, Cryptoconus priscus approximatus (G.P. Deshayes, 1865 †) - (CONIDAE) (FOSSIL)
- priscus clavicularis, Cryptoconus priscus clavicularis (J.B.P.A. Lamarck, 1804 †) - (CONIDAE) (FOSSIL)
- priscus deshayesi, Cryptoconus priscus deshayesi (C. des Moulins, 1842 †) - (CONIDAE) (FOSSIL)
- priscus dudariensis, Cryptoconus priscus dudariensis (Strausz, 1966 †) - (CONIDAE) (FOSSIL)
- priska, Palaeonucula priska Kurushin 1985 † - (NUCULIDAE) (FOSSIL)
- prisma, Prismacerithium prisma E.J. Petuch, 1997 † - (CERITHIIDAE) (FOSSIL)
- prisma, Strombina prisma H.A. Pilsbry & Johnson, 1911 † - syn of: Strombina lessepsiana J. Brown & H.A. Pilsbry, 1911 † - (COLUMBELLIDAE) (FOSSIL)
- prisma, Dentalium prisma W.H. Dall, 1892 † - (DENTALIIDAE) (FOSSIL)
- Prisma, syn of: Genus Atopos H.R. Simroth, 1891 (RATHOUISIIDAE)
- Prismacerithium, Genus Prismacerithium Petuch, 1997 (CERITHIIDAE) (FOSSIL)
- prismatica, Cerithium vulgatum prismatica (T.A. de M. Monterosato, 1910) - (CERITHIIDAE)
- prismatica, Glossodoris prismatica (W.H. Pease, 1860) - (CHROMODORIDIDAE)
- prismatica, Macedonica brabeneci prismatica I. Dedov, 2012 - (CLAUSILIIDAE)
- prismatica, Peristernia prismatica (T. Martyn, 1784) - (FASCIOLARIIDAE)
- prismatica, Semierycina prismatica (T.A. de M. Monterosato, 1878) - (LASAEIDAE)
- prismatica, Erycina prismatica A.E.M. Cossmann & M.A. Peyrot, 1912 - syn of: Hemilepton nitidum (W. Turton, 1822) - (LASAEIDAE)
- prismatica, Anatina prismatica G.B. I Sowerby, 1834 - syn of: Laternula elliptica (P.P. King, 1832) - (MACTRIDAE)
- prismatica, Nassa prismatica G.B. Brocchi, 1814 † - syn of: Nassarius prysmaticus G.B. Brocchi, 1814 † - (NASSARIIDAE) (FOSSIL)
- prismatica, Striostrea prismatica (Gray, 1825) - (OSTREIDAE)
- prismatica, Ostrea prismatica J.E. Gray, 1825 - syn of: Striostrea prismatica (Gray, 1825) - (OSTREIDAE)
- prismatica, Atopos prismatica (C.M. Tapparone-Canefri, 1883) - (RATHOUISIIDAE)
- prismatica, Ringiculina prismatica (L. de Folin, 1867) - (RINGICULIDAE)
- prismatica, Rissoa prismatica (T.A. de M. Monterosato, 1884) - (RISSOIDAE)
- prismatica, Abra prismatica (G. Montagu, 1808) - (SEMELIDAE)
- prismatica, Ligula prismatica G. Montagu, 1808 - syn of: Abra prismatica (G. Montagu, 1808) - (SEMELIDAE)
- prismatica, Tellina prismatica G.B. III Sowerby, 1897 - (TELLINIDAE)
- prismatica, Simrothula prismatica (H.R. Simroth, 1914) - (VERONICELLIDAE)
- prismatica imperialis, Doris prismatica imperialis W.H. Pease, 1860 - syn of: Hypselodoris imperialis (W.H. Pease, 1860) - (DORIDIDAE)
- prismatica lineata, Hypselodoris prismatica lineata W.H. Pease, 1860 - syn of: Hypselodoris peasei (L.S.R. Bergh, 1880) - (CHROMODORIDIDAE)
- prismatica pusillinoides, Rissoa prismatica pusillinoides F. Nordsieck, 1972 - (RISSOIDAE)
- prismatica ventricoides, Rissoa prismatica ventricoides F. Nordsieck, 1982 - (RISSOIDAE)
- prismaticum, Cerithium prismaticum W.M. Gabb, 1873 † - syn of: Terebralia dentilabris W.M. Gabb, 1873 † - (CERITHIIDAE) (FOSSIL)
- prismaticus, Latirus prismaticus J.F. Gmelin, 1791 - syn of: Turrilatirus iris (J. Lightfoot, 1786) - (FASCIOLARIIDAE)
- prismaticus, Acroteuthis prismaticus Swinnerton † - (PASSALOTEUTHIDIDAE) (FOSSIL)
- Prismatocaulis, syn of: Subgenus Imerinia (Drepanocaulis) H.R. Simroth, 1913 (VERONICELLIDAE)
- Prismatro, syn of: Genus Patro J.E. Gray, 1850 (ANOMIIDAE)
- Prisochiton, Genus Prisochiton Dall, 1881 (POLYPLACOPHORA (UNASSIGNED)) (FOSSIL)
- Prisodon, Genus Prisodon H.C.F. Schumacher, 1817 (HYRIIDAE)
- Prisodontopsis, Genus Prisodontopsis J.R. le B. Tomlin, 1928 (UNIONIDAE)
- Prisogaster, Genus Prisogaster O.A.L. Mφrch, 1850 (TURBINIDAE)
- Pristeroceras, Genus Pristeroceras Ruedmann, 1925 (PHRAGMOCERATIDAE) (FOSSIL)
- Pristes, Genus Pristes P.P. Carpenter, 1864 (LASAEIDAE)
- pristiformis, Tellina pristiformis H.A. Pilsbry, 1901 - syn of: Tellina diaphana G.P. Deshayes, 1855 - (TELLINIDAE)
- Pristigloma, Genus Pristigloma W.H. Dall, 1900 (SAREPTIDAE)
- PRISTIGLOMIDAE - syn of Family: SAREPTIDAE
- Pristiloma, Genus Pristiloma C.M.F. Ancey, 1887 (PRISTILOMATIDAE)
- PRISTILOMATIDAE Cockerell, 1891 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-GASTRODONTOIDEA [Superfamily])
- Pristimerica, Genus Pristimerica Finlay & Marwick, 1937 (CANCELLARIIDAE) (FOSSIL)
- pristina, Scalaronoba pristina C.R. Laws, 1941 † - (ACLIDIDAE) (FOSSIL)
- pristina, Amalda pristina (Olson, 1956 †) - (ANCILLARIIDAE) (FOSSIL)
- pristina, Dimeroclymenia pristina Czarnocki, 1989 † - (BILOCLYMENIIDAE) (FOSSIL)
- pristina, Cancellaria pristina M. Yokoyama, 1923 - syn of: Merica oblonga (G.B. I Sowerby, 1825) - (CANCELLARIIDAE)
- pristina, Copenychia pristina Kríž, 2005 † - (CARDIOLIDAE) (FOSSIL)
- pristina, Arcinella pristina C.J. Maury, 1924 † - (CHAMIDAE) (FOSSIL)
- pristina, Paracocculina pristina (B.A. Marshall, 1986 †) - (COCCULINIDAE) (FOSSIL)
- pristina, Uncinaspira pristina He, 1984 † - syn of: Oelandiella korobkovi (Vostokova, 1962 †) - (COREOSPIRIDAE) (FOSSIL)
- pristina, Mesobia pristina F.G. Thompson & R. Hershler, 1991 - (HYDROBIIDAE)
- pristina, Aupouria pristina P.A. Maxwell, 1969 † - (PHILOBRYIDAE) (FOSSIL)
- pristina, Keeneia pristina P.A. Maxwell 1964 † - (PLATYCERATIDAE) (FOSSIL)
- pristina, Berthella pristina J.M. Pacaud, 2015 - (PLEUROBRANCHIDAE)
- Pristina, syn of: Genus Pristiloma C.M.F. Ancey, 1887 (PRISTILOMATIDAE)
- pristina, Succinea pristina H.W. Henshaw, 1904 - (SUCCINEIDAE)
- pristina, Marama pristina J. Marwick, 1927 † - (VENERIDAE) (FOSSIL)
- Pristinacca, Subgenus Taniella (Pristinacca) Finlay & Marwick, 1937 (NATICIDAE) (FOSSIL)
- Pristinicola, Genus Pristinicola R. Hershler & al., 1994 (HYDROBIIDAE)
- pristinis, Maikhanella pristinis Yü, 1979 † - syn of: Xiadongoconus luminosus Yü, 1979 † - (MAIKHANELLIDAE) (FOSSIL)
- pristinis, Canopoconus pristinis Yü, 1979 † - syn of: Xiadongoconus luminosus Yü, 1979 † - (MAIKHANELLIDAE) (FOSSIL)
- Pristinoides, Subgenus Pristiloma (Pristinoides) F.C. Baker, 1931 (PRISTILOMATIDAE)
- Pristinopsis, Subgenus Pristiloma (Pristinopsis) F.C. Baker, 1931 (PRISTILOMATIDAE)
- pristinum, Megaglossoceras pristinum Miller & Owen, 1934 † - (EPHIPPOCERATIDAE) (FOSSIL)
- pristinum, Artioceratoides pristinum Leonova, 1992 † - (MEDLICOTTIIDAE) (FOSSIL)
- pristinum, Oncoceras pristinum Ruedemann, 1906 † - (ONCOCERATIDAE) (FOSSIL)
- pristinus, Megadesmus pristinus Runnegar, 1972 † - (MEGADESMIDAE) (FOSSIL)
- Pristipagia, Subgenus Quadrans (Pristipagia) T. Iredale, 1936 (TELLINIDAE)
- Pristiphora, syn of: Genus Pristes P.P. Carpenter, 1864 (LASAEIDAE)
- pristiphora, Myrtina pristiphora (W.H. Dall & C.T. Simpson, 1901) - (LUCINIDAE)
- pristiphora, Myrtea pristiphora W.H. Dall & C.T. Simpson, 1901 - syn of: Myrtina pristiphora (W.H. Dall & C.T. Simpson, 1901) - (LUCINIDAE)
- pristiphora, Tellina pristiphora W.H. Dall, 1900 - (TELLINIDAE)
- pristiphora, Phyllodina pristiphora W.H. Dall, 1908 - syn of: Tellina pristiphora W.H. Dall, 1900 - (TELLINIDAE)
- pristipleura, Acrosterigma pristipleura (W.H. Dall, 1901) - (CARDIIDAE)
- pristis, Laevicardium pristis (J.B.G.M. Bory De Saint-Vincent, 1827) - (CARDIIDAE)
- pristis, Cardium pristis A. Valenciennes - syn of: Laevicardium pristis (J.B.G.M. Bory De Saint-Vincent, 1827) - (CARDIIDAE)
- pristis, Hippocardia pristis F. McCoy, 1844 † - (HIPPOCARDIIDAE) (FOSSIL)
- pristis, Northia pristis (G.P. Deshayes, 1844) - (NASSARIIDAE)
- pristis, Balashovia pristis P.A. Zhuravleva, 1974 † - (ONCOCERIDA (UNASSIGNED)) (FOSSIL)
- pristis, Tellina pristis J.B.P.A. Lamarck, 1818 - (TELLINIDAE)
- pristis major, Tellina pristis major É. Lamy, 1918 - syn of: Tellina capsoides J.B.P.A. Lamarck, 1818 - (TELLINIDAE)
- pristissini, Littoraria cingulata pristissini D.G. Reid, 1986 - (LITTORINIDAE)
- Pristiterebra, Genus Pristiterebra K. Oyama, 1961 (TEREBRIDAE)
- Pristochiton, syn of: Genus Onithochiton J.E. Gray, 1847 (CHITONIDAE)
- pristus, Nanarius pristus (Gardner, 1944 †) - (NASSARIIDAE) (FOSSIL)
- prisyazhnyuki, Carychiopsis prisyazhnyuki Stworzewicz, 1999 † - (ELLOBIIDAE) (FOSSIL)
- pritchardi, Tremanotus pritchardi Cresswell, 1893 † - (BUCANIIDAE) (FOSSIL)
- pritchardi, Chavanicerithium pritchardi (G.F. Harris, 1897 †) - (CERITHIIDAE) (FOSSIL)
- pritchardi, Amblychilepas pritchardi C. Hedley, 1895 - syn of: Amblychilepas nigrita (Sowerby, 1835) - (FISSURELLIDAE)
- pritchardi, Murchisonia pritchardi R. Etheridge jr., 1898 † - (MURCHISONIIDAE) (FOSSIL)
- pritchardi, Globisinum pritchardi (A.E.M. Cossmann, 1907 †) - (NATICIDAE) (FOSSIL)
- pritchardi, Natica pritchardi E. Forbes, 1850 - syn of: Notocochlis chemnitzii (L. Pfeiffer, 1840) - (NATICIDAE)
- pritchardi, Clithon pritchardi (W.L.H. Dohrn, 1861) - (NERITIDAE)
- pritzkeri, Bostrycapulus pritzkeri R. Collin, 2005 - (CALYPTRAEIDAE)
- priva, Polycera priva Er. Marcus, 1959 - (POLYCERIDAE)
- privasensis, Berriasella privasensis (Pictet, 1867 †) - (NEOCOMITIDAE) (FOSSIL)
- privata, Cernuella privata J. Galland, 1887 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- privati, Phosinella privati (L. de Folin, 1867) - (RISSOINIDAE)
- privati, Rissoina privati (L. de Folin, 1867) - syn of: Phosinella privati (L. de Folin, 1867) - (RISSOINIDAE)
- privatiana, Xeroleuca moghrabina privatiana (P.M. Pallary, 1918) - (HYGROMIIDAE)
- privatiformis, Cernuella privatiformis P. Hagenmüller in É.A.A. Locard, 1894 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- Privatula, Subgenus Gastrocopta (Privatula) V. Sterki, 1893 (GASTROCOPTIDAE)
- privigna, Albinaria olivieri privigna (O. Böttger, 1883) - (CLAUSILIIDAE)
- privigna, Ennucula privigna T. Iredale, 1939 - (NUCULIDAE)
- Privigna, Subgenus Circe (Privigna) W.H. Dall, P. Bartsch & H.A. Rehder, 1938 (VENERIDAE)
- privum, Sholakoceras privum Ruzhentsev & Shimanskiy, 1954 † - (RHIPHAEOCERATIDAE) (FOSSIL)
- privus, Austropyrgus privus A. Clark, W.B. Miller & W.F. Ponder, 2003 - (HYDROBIIDAE)
- Prizonius, syn of: Genus Pneumoderma A.F.P.M. de Roissy, 1805 (PNEUMODERMATIDAE)
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