- fosbergi, Tubuaia fosbergi Y. Kondo, 1962 - (ACHATINELLIDAE)
- fosbergi, Opanara fosbergi G.A. Solem, 1976 - (ENDODONTIDAE)
- foscaclaudiae, Genuanoconus genuanus foscaclaudiae A. Assi, 2010 - (CONIDAE)
- fosheyi, Physa fosheyi I. Lea, 1864 - syn of: Haitia mexicana (R.A. Philippi, 1841) - (PHYSIDAE)
- fossa, Cypricardinia fossa G.B. Campbell & H. Engel, 1963 † - (CYPRICARDINIIDAE) (FOSSIL)
- fossa, Diala fossa C.F. Laseron, 1956 - syn of: Diala sulcifera (A. Adams, 1862) - (DIALIDAE)
- fossa, Eatoniella fossa W.F. Ponder, 1965 - (EATONIELLIDAE)
- fossa, Glycymeris fossa T. Iredale, 1931 - syn of: Glycymeris striatularis (J.B.P.A. Lamarck, 1819) - (GLYCYMERIDIDAE)
- fossa, Guraleus fossa C.F. Laseron, 1954 - (MANGELIIDAE)
- fossa, Nuculana fossa W. Baird, 1863 - (NUCULANIDAE)
- fossa, Solariella fossa (C.R. Laws, 1932 †) - (SOLARIELLIDAE) (FOSSIL)
- fossa, Struthiolaria fossa J. Marwick, 1924 - syn of: Pelicaria vermis (T. Martyn, 1784) - (STRUTHIOLARIIDAE)
- fossa, Pelicaria fossa J. Marwick, 1924 - syn of: Pelicaria vermis (T. Martyn, 1784) - (STRUTHIOLARIIDAE)
- fossa curtulosa, Nuculana fossa curtulosa W.H. Dall, 1916 - syn of: Nuculana pernula (O.F. Müller, 1779) - (NUCULANIDAE)
- fossa sculpta, Nuculana fossa sculpta W.H. Dall, 1916 - syn of: Nuculana pernula (O.F. Müller, 1779) - (NUCULANIDAE)
- fossa vaginata, Nuculana fossa vaginata W.H. Dall, 1916 - syn of: Nuculana pernula (O.F. Müller, 1779) - (NUCULANIDAE)
- Fossacallista, syn of: Genus Notocallista Iredale, 1924 (VENERIDAE)
- Fossacypraea, Genus Fossacypraea F.A. Schilder, 1939 † (CYPRAEIDAE) (FOSSIL)
- fossae, Potamolithus fossae H.A. Pilsbry, 1926 - (LITHOGLYPHIDAE)
- fossae, Nassarius fossae (H.B. Preston, 1915) - (NASSARIIDAE)
- fossajaponica, Calyptogena fossajaponica (T.A. Okutani, K. Fujikura & S. Kojima, 2000) - (VESICOMYIDAE)
- fossajaponica, Isorropodon fossajaponica (T.A. Okutani, K. Fujikura & S. Kojima, 2000) - syn of: Calyptogena fossajaponica (T.A. Okutani, K. Fujikura & S. Kojima, 2000) - (VESICOMYIDAE)
- fossalina, Miralda fossalina C.F. Laseron, 1959 - (PYRAMIDELLIDAE)
- fossalis, Neoclavinautilus fossalis Liang, 1984 † - (TAINOCERATIDAE) (FOSSIL)
- fossar, Natica fossar M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1884 - syn of: Fossarus ambiguus (C. Linnaeus, 1758) - (NATICIDAE)
- Fossarella, Genus Fossarella K.H.J. Thiele, 1925 (VANIKORIDAE)
- Fossaria, Subgenus Galba (Fossaria) C.A. Westerlund, 1885 (LYMNAEIDAE)
- fossaria, Galba fossaria G. Montagu, 1803 - syn of: Galba truncatula (O.F. Müller, 1774) - (LYMNAEIDAE)
- FOSSARIDAE - syn of Family: PLANAXIDAE
- fossariformis, Holandriana fossariformis (J.R. Tournouër, 1879 †) - (PLEUROCERIDAE) (FOSSIL)
- fossariformis, Melania fossariformis J.R. Tournouër, 1879 † - syn of: Holandriana fossariformis (J.R. Tournouër, 1879 †) - (THIARIDAE) (FOSSIL)
- Fossarilittorina, Subgenus Echinolittorina (Fossarilittorina) J.P. Rosewater, 1981 (LITTORINIDAE)
- fossarina, Lymnaea fossarina M. Paulucci, 1881 - syn of: Lymnaea stagnalis (C. Linnaeus, 1758) - (LYMNAEIDAE)
- Fossarina, Genus Fossarina A. Adams & G.F. Angas, 1864 (TROCHIDAE)
- FOSSARINIDAE - syn of Family: TROCHIDAE
- fossarinum, Pisidium fossarinum C.A. Westerlund, 1873 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- fossarinum curtum, Pisidium fossarinum curtum S. Clessin, 1877 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- Fossariopsis, Genus Fossariopsis Laube, 1868 † (NERITOPSIDAE) (FOSSIL)
- Fossarius, syn of: Genus Fossarus R.A. Philippi, 1841 (PLANAXIDAE)
- fossaruliformis, Valvata fossaruliformis Š. Brusina, 1902 † - (VALVATIDAE) (FOSSIL)
- Fossarulus, Genus Fossarulus Neumayr, 1869 † (RISSOOIDEA (UNASSIGNED)) (FOSSIL)
- fossarum, Galba fossarum S.E. Studer, 1789 - syn of: Galba truncatula (O.F. Müller, 1774) - (LYMNAEIDAE)
- fossarum, Cyclas fossarum T. Prime, 1870 - syn of: Sphaerium cornea (C. Linnaeus, 1767) - (SPHAERIIDAE)
- Fossarus, Genus Fossarus R.A. Philippi, 1841 (PLANAXIDAE)
- fossata, Tropidoturris fossata (G.B. III Sowerby, 1903) - (BORSONIIDAE)
- fossata, Cochlespira pulchella fossata A.W.B. Powell, 1969 - (COCHLESPIRIDAE)
- fossata, Corbula fossata Meyer & T.H. Aldrich, 1886 † - (CORBULIDAE) (FOSSIL)
- fossata, Caestocorbula fossata † - (CORBULIDAE) (FOSSIL)
- fossata, Drillia fossata G.B. III Sowerby, 1903 - syn of: Tropidoturris fossata (G.B. III Sowerby, 1903) - (DRILLIIDAE)
- fossata, Nassaria fossata T. Kira, 1955 - (NASSARIIDAE)
- fossata, Natica fossata A.A. Gould, 1847 - syn of: Neverita delessertiana (C.A. Récluz, 1843) - (NATICIDAE)
- fossata, Pleurotoma fossata G.B. III Sowerby, 1903 - syn of: Tropidoturris fossata (G.B. III Sowerby, 1903) - (TURRIDAE)
- fossata notialis, Tropidoturris fossata notialis R.N. Kilburn, 1986 - (BORSONIIDAE)
- Fossatrivia, syn of: Genus Ellatrivia T. Iredale, 1931 (TRIVIIDAE)
- fossatum, Buccinum fossatum A.A. Gould, 1850 - syn of: Nassarius fossatus (A.A. Gould, 1850) - (BUCCINIDAE)
- fossatum, Entolium fossatum J. Marwick, 1953 † - (ENTOLIIDAE) (FOSSIL)
- fossatum, Monoplex fossatum A.A. Gould, 1860 - syn of: Monoplex parthenopeus (C.U.A. von Salis-Marschlins, 1793) - (RANELLIDAE)
- fossatus, Nassarius fossatus (A.A. Gould, 1850) - (NASSARIIDAE)
- fosseti, Dendrodoris fosseti J.J. Risbec, 1928 - (DENDRODORIDIDAE)
- Fossicula, syn of: Genus Fossula I. Lea, 1870 (MYCETOPODIDAE)
- fossiculifera, Fossula fossiculifera (A.V.M.D. D'Orbigny, 1835) - (MYCETOPODIDAE)
- fossiculifera, Monocondylaea fossiculifera D'Orbigny, 1835 - syn of: Fossula fossiculifera (A.V.M.D. D'Orbigny, 1835) - (MYCETOPODIDAE)
- fossiculifera mattogrossensis, Fossula fossiculifera mattogrossensis (H.F.A. von Ihering, 1919) - (MYCETOPODIDAE)
- fossile, Buccinum fossile J.F. Gmelin, 1791 † - syn of: Melanopsis fossilis (J.F. Gmelin, 1791 †) - (BUCCINIDAE) (FOSSIL)
- fossile, Dentalium fossile J.F. Gmelin, 1790 † - (DENTALIIDAE) (FOSSIL)
- fossile, Dentalium fossile Schroeter, 1784 † - (DENTALIIDAE) (FOSSIL)
- fossile, Melanopsis fossile J.F. Gmelin, 1791 † - syn of: Melanopsis fossilis (J.F. Gmelin, 1791 †) - (MELANOPSIDAE) (FOSSIL)
- fossilis, Amastra fossilis D.D. Baldwin, 1903 - (AMASTRIDAE)
- fossilis, Angaria fossilis C. Linnaeus, 1758 - syn of: Angaria delphinus (C. Linnaeus, 1758) - (ANGARIIDAE)
- fossilis, Delphinula fossilis K. Martin, 1879 † - syn of: Angaria aculeata (L.A. Reeve, 1842) - (ANGARIIDAE) (FOSSIL)
- fossilis, Juliacorbula fossilis (H.A. Pilsbry, 1922 †) - (CORBULIDAE) (FOSSIL)
- fossilis, Leptonotis fossilis (R. Tate, 1898 †) - (HIPPONICIDAE) (FOSSIL)
- fossilis, Chevallieria fossilis (Finlay, 1924 †) - (IRAVADIIDAE) (FOSSIL)
- fossilis, Limax fossilis F. Sacco, 1896 † - (LIMACIDAE) (FOSSIL)
- fossilis, Lithoglyphopsis fossilis Pan, 1977 † - (LITHOGLYPHIDAE) (FOSSIL)
- fossilis, Melanopsis fossilis (J.F. Gmelin, 1791 †) - (MELANOPSIDAE) (FOSSIL)
- fossilis, Pseudoleacina fossilis (Andreae, 1902) † - (OLEACINIDAE) (FOSSIL)
- fossilis, Lissarca fossilis J. Marwick, 1928 † - (PHILOBRYIDAE) (FOSSIL)
- fossilis, Alvania fossilis P. Bartsch, 1911 - syn of: Alvania compacta (P.P. Carpenter, 1864) - (RISSOIDAE)
- fossilis, Incisura fossilis (C.R. Laws, 1940 †) - (SCISSURELLIDAE) (FOSSIL)
- fossilis, Brookula fossilis Finlay, 1924 † - (SEGUENZIOIDEA (UNASSIGNED)) (FOSSIL)
- fossilis, Coelotrochus fossilis (Finlay, 1926 †) - (TROCHIDAE) (FOSSIL)
- fossilis, Lyropupa lyrata fossilis C.M. Cooke & H.A. Pilsbry, 1920 - (VERTIGINIDAE)
- fossilis coaequata, Melanopsis fossilis coaequata Handmann, 1887 † - (MELANOPSIDAE) (FOSSIL)
- fossilis handmanniana, Melanopsis fossilis handmanniana W. Fischer, 1996 † - (MELANOPSIDAE) (FOSSIL)
- fossilis pseudoimpressa, Melanopsis fossilis pseudoimpressa Papp, 1953 † - (MELANOPSIDAE) (FOSSIL)
- fossilis rugosa, Lyrcaea fossilis rugosa Handmann, 1887 † - syn of: Melanopsis wolfgangfischeri T.A. Neubauer, M. Harzhauser & al., 2014 † - (MELANOPSIDAE) (FOSSIL)
- fossor, Donax fossor T. Say, 1822 - (DONACIDAE)
- fossor, Tudora fossor H.B. Baker, 1924 - (POMATIIDAE)
- fossor, Tridacna fossor C. Hedley, 1921 - syn of: Tridacna maxima (P.F. Röding, 1798) - (TRIDACNIDAE)
- fossor, Holospira ferrissi fossor H.A. Pilsbry & J.H. Ferriss, 1915 - (UROCOPTIDAE)
- fossor arubana, Tudora fossor arubana H.B. Baker, 1924 - (POMATIIDAE)
- fossor canashitensis, Tudora fossor canashitensis (H.B. Baker, 1924) - (POMATIIDAE)
- fossor djerimensis, Tudora fossor djerimensis (H.B. Baker, 1924) - (POMATIIDAE)
- fossor wespuntensis, Tudora fossor wespuntensis H.B. Baker, 1924 - (POMATIIDAE)
- fossula, Cypraea fossula W.M. Ingram, 1947 † - syn of: Trona trinitatensis W.C. Mansfield, 1925 † - (CYPRAEIDAE) (FOSSIL)
- Fossula, Genus Fossula I. Lea, 1870 (MYCETOPODIDAE)
- Fossularca, syn of: Genus Arcopsis A. von Koenen, 1885 (NOETIIDAE)
- Fossularia, syn of: Subgenus Eutudora (Annularodella) de la Torre & Bartsch, 1941 (POMATIIDAE)
- fossularis, Chondrothyretes parilis fossularis (C. de la Torre & P. Bartsch, 1938) - (POMATIIDAE)
- fossulata, Ringicula fossulata L. de Folin, 1867 - (RINGICULIDAE)
- fossulatulus, Euchelus fossulatulus S.M. Souverbie, 1875 - syn of: Hybochelus cancellatus (C.F.F. von Krauss, 1848) - (CHILODONTIDAE)
- fossulatulus, Trochus fossulatulus S.M. Souverbie in S.M. Souverbie & R.P. Montrouzier, 1875 - syn of: Hybochelus cancellatus (C.F.F. von Krauss, 1848) - (TROCHIDAE)
- fossulatus, Hybochelus fossulatus S.M. Souverbie, 1875 - syn of: Hybochelus cancellatus (C.F.F. von Krauss, 1848) - (CHILODONTIDAE)
- Fossulites, Genus Fossulites Astre, 1957 † (RADIOLITIDAE) (FOSSIL)
- Fossulorbis, Subgenus Drepanotrema (Fossulorbis) H.A. Pilsbry, 1934 (PLANORBIDAE)
- fossus, Dinoplax fossus E.R. Sykes, 1899 - (CHAETOPLEURIDAE)
- fosterae, Cerithiopsis fosterae J.C. Melvill & R. Standen, 1896 - (CERITHIOPSIDAE)
- fosteri, Bursa fosteri A.G. Beu, 1987 - (BURSIDAE)
- fosteri, Caymanabyssia fosteri J.H. McLean, 1991 - (CAYMANABYSSIIDAE)
- fosteri, Plagioptycha fosteri W.J. Clench, 1940 - (CEPOLIDAE)
- fosteri, Chiton fosteri (R.C. Bullock, 1972) - (CHITONIDAE)
- fosteri, Rhyssoplax fosteri R.C. Bullock, 1972 - syn of: Chiton fosteri (R.C. Bullock, 1972) - (CHITONIDAE)
- fosteri, Conus fosteri W.J. Clench, 1942 - syn of: Conasprelloides villepinii (P. Fischer & A.C. Bernardi, 1857) - (CONIDAE)
- fosteri, Lucina fosteri O. Hartman & K.J. Boss, 1965 - (LUCINIDAE)
- fosteri, Naquetia fosteri D'Attilio & C.M. Hertz, 1987 - (MURICIDAE)
- fosteri, Kazanskyella fosteri (P.H. Scott †) - (PARAHOPLITIDAE) (FOSSIL)
- fosteri, Pallifera fosteri F.C. Baker, 1939 - (PHILOMYCIDAE)
- fosteri, Xolotrema fosteri F.C. Baker, 1921 - (POLYGYRIDAE)
- fosteri, Treptoceras fosteri (Miller, 1875 †) - (PROTEOCERATIDAE) (FOSSIL)
- fosteri, Bankia fosteri W.J. Clench & H. Turner, 1946 - (TEREDINIDAE)
- fosterianus, Delectopecten fosterianus (A.W.B. Powell, 1933) - (PECTINIDAE)
- fosterorum, Chicoreus fosterorum R. Houart, 1989 - (MURICIDAE)
- fotobohitrae, Parvedentulina fotobohitrae K.C. Emberton, 2002 - (STREPTAXIDAE)
- fotsifotsy, Microcystis fotsifotsy K.C. Emberton, 2010 - (EUCONULIDAE)
- fotsivavus, Boucardicus fotsivavus K.C. Emberton, 2002 - (CYCLOPHORIDAE)
- fouadi, Bathraspira fouadi Abbass, 1973 † - (MATHILDIDAE) (FOSSIL)
- foucardi, Donax foucardi G.P. Deshayes, 1857 † - (DONACIDAE) (FOSSIL)
- foucardi, Erycina foucardi G.P. Deshayes, 1858 † - (LASAEIDAE) (FOSSIL)
- foucardi, Callucina foucardi (G.P. Deshayes, 1857 †) - (LUCINIDAE) (FOSSIL)
- foucauldi, Xerosecta foucauldi (P.M. Pallary, 1904) - (HYGROMIIDAE)
- foucauldiana, Melanopsis foucauldiana P.M. Pallary, 1920 - (MELANOPSIDAE)
- foucauldiana, Limnium foucauldiana P.M. Pallary, 1936 - syn of: Unio gibbus L. Spengler, 1793 - (UNIONIDAE)
- foucheae, Aesopus foucheae Lussi, 2017 - (COLUMBELLIDAE)
- foui, Moitessieria foui H.D. Boeters, 2003 - (MOITESSIERIIDAE)
- fouillioyi, Hemiglyptopsis fouillioyi (E.J. Le Guillou, 1845) - (HELICARIONIDAE)
- foukiensis, Corbicula foukiensis P.M. Heude, 1887 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- fouladougouensis, Coelatura fouladougouensis F.P. Jousseaume, 1886 - syn of: Coelatura aegyptiaca (F. Cailliaud, 1827) - (UNIONIDAE)
- foulcheri, Semipallium foulcheri (Tenison Woods, 1865 †) - (PECTINIDAE) (FOSSIL)
- foulisi, Anteaeolidiella foulisi G.F. Angas, 1864 - syn of: Anteaeolidiella cacaotica (W. Stimpson, 1855) - (AEOLIDIIDAE)
- foulisi, Aeolidia foulisi G.F. Angas, 1864 - syn of: Anteaeolidiella cacaotica (W. Stimpson, 1855) - (AEOLIDIIDAE)
- foulisi, Amaea foulisi R.N. Kilburn, 1985 - (EPITONIIDAE)
- foullioyi, Plectopylis foullioyi G.P.L.K. Gude - (PLECTOPYLIDAE)
- founaki, Placostylus founaki J.B. Hombron & C.H. Jacquinot, 1854 - (BOTHRIEMBRYONTIDAE)
- fountainensis, Donaldina fountainensis (Weller, 1916 †) - (DONALDINIDAE) (FOSSIL)
- fountainensis, Holopea fountainensis Weller, 1916 † - syn of: Leptoptygma fountainensis (Weller, 1916 †) - (HOLOPEIDAE) (FOSSIL)
- fountainensis, Modiolus fountainensis Weller, 1916 † - (MYTILIDAE) (FOSSIL)
- fountainensis, Ptychomphalus fountainensis Weller, 1916 † - syn of: Donaldina fountainensis (Weller, 1916 †) - (PTYCHOMPHALIDAE) (FOSSIL)
- fountainensis, Leptoptygma fountainensis (Weller, 1916 †) - (SOLENISCIDAE) (FOSSIL)
- fountaini, Graysonites fountaini A.T. Young, 1958 † - syn of: Graysonites adkinsi A.T. Young, 1958 † - (ACANTHOCERATIDAE) (FOSSIL)
- fountaini, Strigogoniatites fountaini Miller & Furnish, 1940 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- fouquei, Gregoryceras fouquei (Kilian, 1889 †) - (ASPIDOCERATIDAE) (FOSSIL)
- foureaui, Achatina schweinfurthi foureaui J. Germain, 1905 - (ACHATINIDAE)
- foureaui, Desertella foureaui Haug ex E.C. Munier-Chalmas MS, 1905 † - (DESERTELLIDAE) (FOSSIL)
- foureaui, Melanopsis foureaui P.M. Pallary, 1920 - (MELANOPSIDAE)
- fouresi, Helix fouresi L.J. Morlet, 1886 - (HELICIDAE)
- fourierii, Bulla fourierii J.V. Audouin, 1826 - syn of: Pyrunculus fourierii (J.V. Audouin, 1826) - (BULLIDAE)
- fourierii, Pyrunculus fourierii (J.V. Audouin, 1826) - (RETUSIDAE)
- fourlinniei, Funa fourlinniei L. Bozzetti, 2007 - (PSEUDOMELATOMIDAE)
- fourmiersi, Naesiotus fourmiersi (A.V.M.D. D'Orbigny, 1837) - (BULIMULIDAE)
- fourneli, Metatissotia fourneli (C.É. Bayle †) - (TISSOTIIDAE) (FOSSIL)
- fourneli, Unio fourneli J.R. Bourguignat, 1882 - syn of: Unio tumidus A. Retzius, 1788 - (UNIONIDAE)
- fournelianus, Belemnites fournelianus A.V.M.D. D'Orbigny, 1842 † - syn of: Pleurobelus compressus Stahl, 1824 † - (BELEMNITELLIDAE) (FOSSIL)
- fourneti, Paraspinoceras fourneti (Astier, 1851 †) - (ANCYLOCERATIDAE) (FOSSIL)
- fourneti, Cenoceras fourneti Dumortier, 1874 † - syn of: Ligeiceras fourneti (Dumortier, 1874 †) - (CENOCERATIDAE) (FOSSIL)
- fourneti, Ligeiceras fourneti (Dumortier, 1874 †) - (NAUTILIDAE) (FOSSIL)
- fourneti, Spiroceras fourneti F. Roman & Petoraud, 1927 † - (SPIROCERATIDAE) (FOSSIL)
- fournetii, Crioceratites fournetii A. Duval, 1838 † - syn of: Emericiceras fournetii (A. Duval, 1838 †) - (CRIOCERATITIDAE) (FOSSIL)
- fournetii, Emericiceras fournetii (A. Duval, 1838 †) - (EMERICICERATIDAE) (FOSSIL)
- fournierae, Favartia fournierae R. Houart & V. Héros, 2013 - (MURICIDAE)
- Fournierella, Genus Fournierella † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- fournieri, Proaustraliceras fournieri (Rouchadze, 1933 †) - (ANCYLOCERATIDAE) (FOSSIL)
- fournieri, Beyrichoceratoides fournieri Delepine, 1940 † - (MUENSTEROCERATIDAE) (FOSSIL)
- fournieri, Ceratostoma fournieri (J.C.H. Crosse, 1861) - (MURICIDAE)
- fournieri, Cantharidus fournieri (J.C.H. Crosse, 1863) - (TROCHIDAE)
- fourousi, Metafruticicola fourousi (J.R. Bourguignat, 1863) - (HYGROMIIDAE)
- fourtaui, Exogyra fourtaui Stefanini, 1925 † - syn of: Nanogyra nana (J. de C. Sowerby, 1822 †) - (GRYPHAEIDAE) (FOSSIL)
- fourtaui, Spathella fourtaui P.M. Pallary, 1903 - syn of: Aspatharia marnoi (C.F. Jickeli, 1874) - (MODIOMORPHIDAE)
- fourtaui, Unio fourtaui P.M. Pallary, 1903 - syn of: Nitia teretiuscula (R.A. Philippi, 1847) - (UNIONIDAE)
- fourteaui, Neolobites fourteaui Pervinquière, 1907 † - (ENGONOCERATIDAE) (FOSSIL)
- Foveadens, Subgenus Pandora (Foveadens) W.H. Dall, 1915 (PANDORIDAE)
- foveale, Helisoma foveale (K.T. Menke, 1830) - (PLANORBIDAE)
- foveale guatemalense, Helisoma foveale guatemalense (S. Clessin, 1889) - (PLANORBIDAE)
- Foveamysia, Genus Foveamysia M. Huber, 2015 (UNGULINIDAE)
- foveata, Mitromica foveata (G.B. II Sowerby, 1874) - (COSTELLARIIDAE)
- foveata, Thala foveata G.B. II Sowerby, 1874 - syn of: Mitromica foveata (G.B. II Sowerby, 1874) - (COSTELLARIIDAE)
- foveata, Littorina foveata A. Adams, 1852 - syn of: Echinolittorina atrata (A. Adams, 1852) - (LITTORINIDAE)
- foveata, Echinolittorina foveata A. Adams, 1852 - syn of: Echinolittorina atrata (A. Adams, 1852) - (LITTORINIDAE)
- foveata, Mitra foveata G.B. II Sowerby, 1874 - syn of: Mitromica foveata (G.B. II Sowerby, 1874) - (MITRIDAE)
- foveata, Celtoconcha foveata Cope, 1996 † - (MODIOMORPHIDA (UNASSIGNED)) (FOSSIL)
- foveata, Chondrothyra foveata (J. Gundlach in L. Pfeiffer, 1863) - (POMATIIDAE)
- foveata, Chrysallida foveata E. Robba, S.I. Di Geronimo, N. Chaimanee & al., 2004 - (PYRAMIDELLIDAE)
- foveata toroensis, Chondrothyra foveata toroensis C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- foveatus, Fossarus foveatus (C.B. Adams, 1852) - (PLANAXIDAE)
- foveauxana, Maurea foveauxana R.K. Dell, 1950 - syn of: Calliostoma foveauxanum (R.K. Dell, 1950) - (CALLIOSTOMATIDAE)
- foveauxana, Venustas foveauxana R.K. Dell, 1950 - syn of: Calliostoma foveauxanum (R.K. Dell, 1950) - (CALLIOSTOMATIDAE)
- foveauxana, Powellisetia foveauxana (E.C. Smith, 1962) - (RISSOIDAE)
- foveauxanum, Calliostoma foveauxanum (R.K. Dell, 1950) - (CALLIOSTOMATIDAE)
- foveauxensis, Notoplax foveauxensis M.K. Mestayer, 1926 - syn of: Notoplax rubiginosa (F.W. Hutton, 1872) - (ACANTHOCHITONIDAE)
- foveauxiana, Onoba foveauxiana (H.H. Suter, 1898) - (RISSOIDAE)
- foveicollis, Clausilia foveicollis J.G.F. de Charpentier, 1852 - syn of: Scrobifera taurica (L. Pfeiffer, 1848) - (CLAUSILIIDAE)
- foveicollis brjanskii, Clausilia foveicollis brjanskii O.W. Von Rosen, 1911 - syn of: Scrobifera taurica brjanskii (O.W. Von Rosen, 1911) - (CLAUSILIIDAE)
- foveicollis schaposchnikovi, Clausilia foveicollis schaposchnikovi O.W. Von Rosen, 1911 - syn of: Scrobifera taurica brjanskii (O.W. Von Rosen, 1911) - (CLAUSILIIDAE)
- foveolata, Torinia foveolata R. Tate, 1893 - syn of: Pseudotorinia delectabilis (J.C. Melvill, 1893) - (ARCHITECTONICIDAE)
- foveolata, Pseudotorinia foveolata R. Tate, 1893 - syn of: Pseudotorinia delectabilis (J.C. Melvill, 1893) - (ARCHITECTONICIDAE)
- foveolata, Euplecta foveolata unknown - (ARIOPHANTIDAE)
- foveolata, Scalptia foveolata (G.B. II Sowerby, 1849) - (CANCELLARIIDAE)
- foveolata, Cerithiopsis foveolata (G.B. III Sowerby, 1892) - (CERITHIOPSIDAE)
- foveolata, Crenocrassatella foveolata (G.B. II Sowerby, 1870) - (CRASSATELLIDAE)
- foveolata, Crenocrassatella foveolata T. Habe, 1952 - syn of: Crenocrassatella yagurai (J. Makiyama, 1927) - (CRASSATELLIDAE)
- foveolata, Agladrillia foveolata (H.A. Pilsbry & Johnson, 1922 †) - (DRILLIIDAE) (FOSSIL)
- foveolata, Emarginula foveolata M.M. Schepman, 1908 - (FISSURELLIDAE)
- foveolata, Subcancilla foveolata (R.W. Dunker, 1863) - (MITRIDAE)
- foveolata, Ocinebrina foveolata (R.B. Hinds, 1844) - (MURICIDAE)
- foveolata, Coralliophila foveolata C.B. Adams, 1852 - syn of: Coralliophila costata (H.M.D. de Blainville, 1832) - (MURICIDAE)
- foveolata, Nassa foveolata R.W. Dunker, 1847 - syn of: Nassarius foveolatus (R.W. Dunker, 1847) - (NASSARIIDAE)
- foveolata, Tropidophora foveolata (J.C. Melvill & J.H. Ponsonby, 1895) - (POMATIIDAE)
- foveolata, Chrysallida foveolata (C.B. Adams, 1860) - (PYRAMIDELLIDAE)
- foveolata, Pleurotomella foveolata (L.A. Reeve, 1846) - (RAPHITOMIDAE)
- foveolata, Ringiculopsis foveolata (M. Yokoyama, 1928) - (RINGICULIDAE)
- foveolata, Stenothyra foveolata W.H. Benson, 1856 - (STENOTHYRIDAE)
- foveolata, Monodonta foveolata A. Adams, 1853 - syn of: Vaceuchelus foveolatus (A. Adams, 1853) - (TROCHIDAE)
- foveolata, Vanikoro foveolata S.M. Souverbie & R.P. Montrouzier, 1866 - (VANIKORIDAE)
- foveolata, Jukesena foveolata (J.E. Cooper & H.B. Preston, 1910) - (VENERIDAE)
- foveolata, Venus foveolata Sowerby, 1853 - (VENERIDAE)
- foveolata fujitai, Emarginula foveolata fujitai T. Habe, 1963 - syn of: Variegemarginula fujitai (T. Habe, 1963) - (FISSURELLIDAE)
- foveolata rotundata, Venus foveolata rotundata É.A.A. Locard, 1898 - syn of: Venus chevreuxi P. Dautzenberg, 1891 - (VENERIDAE)
- foveolatum, Buccinum foveolatum R.W. Dunker, 1847 - syn of: Nassarius foveolatus (R.W. Dunker, 1847) - (BUCCINIDAE)
- foveolatum, Vasticardium foveolatum (G.B. II Sowerby, 1841) - (CARDIIDAE)
- foveolatum, Bittium foveolatum (G.B. II Sowerby, 1855) - (CERITHIIDAE)
- foveolatum, Herpetopoma foveolatum A. Adams, 1853 - syn of: Vaceuchelus foveolatus (A. Adams, 1853) - (CHILODONTIDAE)
- foveolatus, Callochiton foveolatus (Is. Taki, 1938) - (CALLOCHITONIDAE)
- foveolatus, Vaceuchelus foveolatus (A. Adams, 1853) - (CHILODONTIDAE)
- foveolatus, Bathystormus foveolatus G.B. II Sowerby, 1842 - syn of: Crenocrassatella foveolata (G.B. II Sowerby, 1870) - (CRASSATELLIDAE)
- foveolatus, Pterocyclus foveolatus (E.C. Von Martens, 1908) - (CYCLOPHORIDAE)
- foveolatus, Thaumastus foveolatus (L.A. Reeve, 1849) - (MEGASPIRIDAE)
- foveolatus, Murex foveolatus W.H. Pease, 1869 - syn of: Favartia peasei (G.W. Tryon, 1880) - (MURICIDAE)
- foveolatus, Nassarius foveolatus (R.W. Dunker, 1847) - (NASSARIIDAE)
- foveolatus, Tectus foveolatus (J.F. Gmelin, 1791) - (TEGULIDAE)
- foveolatus, Turbo foveolatus K.H. Barnard, 1963 - (TURBINIDAE)
- Foveomurex, syn of: Genus Chicoreus P.D. Montfort, 1810 (MURICIDAE)
- Foveothyra, syn of: Genus Chondrothyrella C. de la Torre & P. Bartsch, 1938 (POMATIIDAE)
- foweyensis, Polyschides foweyensis (J. Henderson, 1920) - (GADILIDAE)
- fowleri, Amberleya fowleri Kellaway & R.B. Wilson † - (EUCYCLIDAE) (FOSSIL)
- fowleri, Procerites fowleri Arkell † - (PERISPHINCTIDAE) (FOSSIL)
- fowleri, Turritella fowleri Tracey & Todd, 1996 † - (TURRITELLIDAE) (FOSSIL)
- fowleriana, Rimella fowleriana C.J. Maury, 1912 † - (RIMELLIDAE) (FOSSIL)
- Fowlerina, Genus Fowlerina J.P.L. Pelseneer, 1906 (CLIONIDAE)
- foxi, Eumecostylus foxi W.J. Clench, 1950 - (BOTHRIEMBRYONTIDAE)
- foxi, Mulceodens foxi Johnston & Chatterton, 1983 † - (BRANSONIIDAE) (FOSSIL)
- foxi, Glossodoris foxi O'Donoghue, 1929 - syn of: Glossodoris cincta (L.S.R. Bergh, 1888) - (CHROMODORIDIDAE)
- foxi, Emericiceras foxi Sarkar, 1955 † - (EMERICICERATIDAE) (FOSSIL)
- foxi, Streptochetus foxi Cox, 1930 † - (FASCIOLARIIDAE) (FOSSIL)
- foxi, Lucidella foxi H.A. Pilsbry, 1899 - (HELICINIDAE)
- foxi, Protornoceras foxi House, 1963 † - syn of: Trevoneites foxi (House, 1963 †) - (KIRSOCERATIDAE) (FOSSIL)
- foxi, Vullietoliva foxi (D.V. Stingley, 1984) - (OLIVIDAE)
- foxi, Trevoneites foxi (House, 1963 †) - (PARODOCERATIDAE) (FOSSIL)
- foxianensis, Eupaludestrina foxianensis (C. De Stefani, 1883) - (COCHLIOPIDAE)
- Foxidonta, Genus Foxidonta W.J. Clench, 1950 (ENDODONTIDAE)
- fraasi, Gervillaria fraasi (Philippi 1898) † - (BAKEVELLIIDAE) (FOSSIL)
- fraasi, Syrotrigonia fraasi Cox, 1952 † - (BUCHOTRIGONIIDAE) (FOSSIL)
- fraasi, Hydrobia fraasi (Blanckenhorn, 1897 †) - (HYDROBIIDAE) (FOSSIL)
- fraasi, Helicomela fraasi (Jooss, 1912) † - (HYGROMIIDAE) (FOSSIL)
- fraasi, Lytoceras fraasi (Dacque, 1910 †) - (LYTOCERATIDAE) (FOSSIL)
- fraasi, Ostrea fraasi Mayer-Eymar, 1888 † - (OSTREIDAE) (FOSSIL)
- fraasi, Gymnarus fraasi F. Riedel, 1932 † - (PUGNELLIDAE) (FOSSIL)
- fraasi, Collotia fraasi (Oppel, 1857 †) - (REINECKEIIDAE) (FOSSIL)
- Fracassa, syn of: Genus Discodoris L.S.R. Bergh, 1877 (DISCODORIDIDAE)
- fracidus, Proplanulites fracidus Buckman † - (PERISPHINCTIDAE) (FOSSIL)
- fracta, Conolithes fracta Finlay, 1924 † - (CONIDAE) (FOSSIL)
- fracta, Willungia fracta (J.R. le B. Tomlin, 1916 †) - (EOCYPRAEIDAE) (FOSSIL)
- fracta, Microvoluta fracta (J. Marwick, 1926 †) - (VOLUTOMITRIDAE) (FOSSIL)
- fractapex, Eulimella fractapex A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- Fractarmilla, syn of: Genus Diloma R.A. Philippi, 1845 (TROCHIDAE)
- Fractoceramus, Genus Fractoceramus † (PTERIIDA (UNASSIGNED)) (FOSSIL)
- Fractolatirus, Genus Fractolatirus T. Iredale, 1936 (FASCIOLARIIDAE)
- Fractoralla, syn of: Genus Rissoina D'Orbigny, 1840 (RISSOINIDAE)
- fractospira, Alvania fractospira (J.J. Oberling, 1970) - (RISSOIDAE)
- fractum, Epancyloceras fractum R. Casey, 1961 † - (ANCYLOCERATIDAE) (FOSSIL)
- fractum, Bucanospira fractum (J. Perner, 1903 †) - (CRASPEDOSTOMATIDAE) (FOSSIL)
- fractum, Epitonium fractum W.H. Dall, 1927 - (EPITONIIDAE)
- fractum, Brochidium fractum J. Perner, 1903 † - syn of: Bucanospira fractum (J. Perner, 1903 †) - (LIOTIIDAE) (FOSSIL)
- fractura, Barbatia fractura B. Wade, 1926 † - (ARCIDAE) (FOSSIL)
- fractura, Phosinella fractura (C.F. Laseron, 1956) - (RISSOINIDAE)
- fracturn, Cyrtoceras fracturn Barrande, 1866 † - syn of: Sthenoceras fracturn (Barrande, 1866 †) - (ONCOCERIDA (unassigned)) (FOSSIL)
- fracturn, Sthenoceras fracturn (Barrande, 1866 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- fracturum, Periploma fracturum P.H. Boshoff, 1968 - (PERIPLOMATIDAE)
- fractus, Chamalycaeus fractus A. Varga, 1974 - (CYCLOPHORIDAE)
- fractus, Barocospira fractus (J. Perner, 1903 †) - (PENDROMIDAE) (FOSSIL)
- fractus, Vermetus fractus J. Perner, 1903 † - syn of: Barocospira fractus (J. Perner, 1903 †) - (VERMETIDAE) (FOSSIL)
- fraga, Pusia fraga L.C. Kiener, 1838 - syn of: Vexillum cancellarioides (H.E. Anton, 1838) - (COSTELLARIIDAE)
- fraga, Drillia fraga H.B. Preston, 1908 - (DRILLIIDAE)
- fraga, Nebularia fraga (J.R.C. Quoy & J.P. Gaimard, 1833) - (MITRIDAE)
- fraga carinilirata, Nebularia fraga carinilirata S.M. Souverbie, 1871 - (MITRIDAE)
- fraga tornata, Nebularia fraga tornata L.A. Reeve, 1845 - (MITRIDAE)
- fragaria, Clivipollia fragaria (W. Wood, 1828) - (BUCCINIDAE)
- fragaria, Pollia fragaria W. Wood, 1828 - syn of: Clivipollia fragaria (W. Wood, 1828) - (BUCCINIDAE)
- fragaria, Engina fragaria W. Wood, 1828 - syn of: Clivipollia fragaria (W. Wood, 1828) - (BUCCINIDAE)
- fragaria, Aldisa fragaria Tibiriça, Pola & Cervera, 2017 - (CADLINIDAE)
- fragaria, Cerithium fragaria A. Valenciennes, 1832 - syn of: Cerithium gemmatum R.B. Hinds, 1844 - (CERITHIIDAE)
- fragaria, Doto fragaria J.A. Ortea & P. Bouchet, 1989 - (DOTIDAE)
- fragaria, Peristernia fragaria W. Wood, 1828 - syn of: Clivipollia fragaria (W. Wood, 1828) - (FASCIOLARIIDAE)
- fragaria, Voluta fragaria W. Wood, 1828 - syn of: Clivipollia fragaria (W. Wood, 1828) - (VOLUTIDAE)
- fragaroides, Monodonta fragaroides J.B.P.A. Lamarck, 1822 - syn of: Phorcus turbinatus (I. von Born, 1778) - (TROCHIDAE)
- Fragella, syn of: Genus Clanculus P.D. Montfort, 1810 (TROCHIDAE)
- fragiformis, Fulvia fragiformis E. Vidal, 1994 - syn of: Fulvia australis (Sowerby, 1834) - (CARDIIDAE)
- fragile, Architectonica fragile R.B. Hinds, 1844 - syn of: Architectonica maculata (J.H.F. Link, 1807) - (ARCHITECTONICIDAE)
- fragile, Buccinum fragile T.A. Verkrüzen in G.O. Sars, 1878 - (BUCCINIDAE)
- fragile, Brevicardium fragile L.W. Stephenson, 1941 † - (CARDIIDAE) (FOSSIL)
- fragile, Tenuicerithium fragile (G.P. Deshayes, 1833 †) - (CERITHIIDAE) (FOSSIL)
- fragile, Shumardoceras fragile Ulrich & al., 1942 † - (ESTONIOCERATIDAE) (FOSSIL)
- fragile, Nierstraszia fragile H. Heath, 1918 - (LEPIDOMENIIDAE)
- fragile, Periploma fragile (J.G. Totten, 1835) - (PERIPLOMATIDAE)
- fragile, Compsonema fragile W.J. Gordon & E.L. Yochelson, 1983 † - (PLATYCERATIDAE) (FOSSIL)
- fragile, Pulsellum fragile V. Scarabino, 1995 - (PULSELLIDAE)
- fragile, Plagiostomoceras fragile Kroeger, 2004 † - (SPHAERORTHOCERATIDAE) (FOSSIL)
- fragile, Trochonema fragile Ulrich & Scofield, 1897 † - (TROCHONEMATIDAE) (FOSSIL)
- fragile, Cymbium fragile E.J. Fittkau & W. Stürmer, 1985 - (VOLUTIDAE)
- fragile goossensi, Tenuicerithium fragile goossensi (A.E.M. Cossmann, 1889 †) - (CERITHIIDAE) (FOSSIL)
- fragileplicata, Zebinella fragileplicata (C. Beets, 1941 †) - (RISSOINIDAE) (FOSSIL)
- Fragilia, Genus Fragilia Deshayes, 1848 † (TELLINIDAE) (FOSSIL)
- Fragilia, syn of: Genus Gastrana H.C.F. Schumacher, 1817 (TELLINIDAE)
- fragilicosta, Paryphantopsis fragilicosta J. Slapcinsky & R. Lasley, 2007 - (CHAROPIDAE)
- fragilima, Anodonta fragilima É.A.A. Locard, 1893 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- fragilioides, Luria fragilioides J.G. Hidalgo, 1907 - syn of: Luria cinerea (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- fragilion, Megalobulimus fragilion (H.F.A. von Ihering, 1901) - (MEGALOBULIMIDAE)
- fragilior, Megalobulimus fragilior (H.F.A. von Ihering, 1901) - (MEGALOBULIMIDAE)
- fragilipennis, Hungerfordia fragilipennis M. Yamazaki & Ueshima, 2015 - (DIPLOMMATINIDAE)
- fragilis, Callistoplepa fragilis E.A. Smith, 1899 - (ACHATINIDAE)
- fragilis, Acmaea fragilis G.B. I Sowerby, 1823 - syn of: Atalacmea fragilis (G.B. I Sowerby, 1823) - (ACMAEIDAE)
- fragilis, Neactaeonina fragilis K.H.J. Thiele, 1912 - (ACTEONIDAE)
- fragilis, Actaeonina fragilis R.W. Dunker, 1846 † - syn of: Cylindrobullina fragilis (R.W. Dunker, 1846 †) - (ACTEONINIDAE) (FOSSIL)
- fragilis, Actinocyclus fragilis C.G. Ehrenberg, 1831 - (ACTINOCYCLIDAE)
- fragilis, Amastra fragilis H.A. Pilsbry & C.M. Cooke, 1914 - (AMASTRIDAE)
- fragilis, Salinator fragilis (J.B.P.A. Lamarck, 1822) - (AMPHIBOLIDAE)
- fragilis, Ampullaria fragilis J.B.P.A. Lamarck, 1822 - syn of: Salinator fragilis (J.B.P.A. Lamarck, 1822) - (AMPULLARIIDAE)
- fragilis, Ancilla fragilis Cuvillier, 1930 † - (ANCILLARIIDAE) (FOSSIL)
- fragilis, Dolabella fragilis J.B.P.A. Lamarck, 1822 - syn of: Aplysia depilans J.F. Gmelin, 1791 - (APLYSIIDAE)
- fragilis, Perissoptera fragilis Djalilov & Arustamov, 1974 † - (APORRHAIDAE) (FOSSIL)
- fragilis, Aporrhais fragilis A. Risso, 1826 - syn of: Aporrhais pespelicani (C. Linnaeus, 1758) - (APORRHAIDAE)
- fragilis, Arca fragilis G.P. Deshayes, 1858 - syn of: Saccella commutata (R.A. Philippi, 1844) - (ARCIDAE)
- fragilis, Megaustenia fragilis (O.F. von Möllendorff, 1901) - (ARIOPHANTIDAE)
- fragilis, Omphalotropis fragilis (W.H. Pease, 1860) - (ASSIMINEIDAE)
- fragilis, Assiminea fragilis G.R. von Frauenfeld, 1863 - syn of: Coxiella striata (L.A. Reeve, 1842) - (ASSIMINEIDAE)
- fragilis, Atlanta fragilis G. Richter, 1993 - (ATLANTIDAE)
- fragilis, Ensitellops fragilis F.S. Holmes, 1859 - syn of: Ensitellops protexta (T.A. Conrad, 1841) - (BASTEROTIIDAE)
- fragilis, Acusta fragilis (J.T. Kuroda & T. Kano, MS) - (BRADYBAENIDAE)
- fragilis, Karaftohelix fragilis (H.A. Pilsbry, 1926) - (BRADYBAENIDAE)
- fragilis, Chloraea fragilis (G.B. I Sowerby, 1841) - (BRADYBAENIDAE)
- fragilis, Volutopsius fragilis (W.H. Dall, 1891) - (BUCCINIDAE)
- fragilis, Chickcharnea fragilis E.J. Petuch, 2002 - (BUCCINIDAE)
- fragilis, Bostryx fragilis A.S.H. Breure & V. Mogollón Avilla, 2010 - (BULIMULIDAE)
- fragilis, Bulla fragilis J.B.P.A. Lamarck, 1822 - syn of: Akera bullata O.F. Müller, 1776 - (BULLIDAE)
- fragilis, Bulla fragilis C. Vélain, 1877 - syn of: Notodiaphana fragilis (C. Vélain, 1877) - (BULLIDAE)
- fragilis, Maurea fragilis (Finlay, 1923 †) - (CALLIOSTOMATIDAE) (FOSSIL)
- fragilis, Calliostoma fragilis Finlay, 1926 † - (CALLIOSTOMATIDAE) (FOSSIL)
- fragilis, Nipponochloritis fragilis (G.P.L.K. Gude, 1900) - (CAMAENIDAE)
- fragilis, Capulus fragilis E.A. Smith, 1904 - (CAPULIDAE)
- fragilis, Torellia fragilis G.O. Sars, 1878 - syn of: Torellia delicata (R.A. Philippi, 1844) - (CAPULIDAE)
- fragilis, Fulvia fragilis (P. Forsskål in C. Niebuhr, 1775) - (CARDIIDAE)
- fragilis, Adacna fragilis K.O. Milaschewitsch, 1908 - syn of: Adacna laeviuscula (K.E.I. von Eichwald, 1829) - (CARDIIDAE)
- fragilis, Strophiops fragilis C.J. Maynard & W.F. Clapp, 1921 - (CERIONIDAE)
- fragilis, Balea fragilis J.P.R. Draparnaud, 1801 - syn of: Balea perversa (C. Linnaeus, 1758) - (CLAUSILIIDAE)
- fragilis, Corbula fragilis R.B. Hinds, 1843 - syn of: Caryocorbula nasuta (G.B. I Sowerby, 1833) - (CORBULIDAE)
- fragilis, Noerrevangia fragilis A. Warén & C.F.C. Schander, 1993 - (CORNIROSTRIDAE)
- fragilis, Cravenoceratoides fragilis (Bisat) † - (CRAVENOCERATIDAE) (FOSSIL)
- fragilis, Neaera fragilis A. Adams, 1856 - syn of: Theora lata (R.B. Hinds, 1843) - (CUSPIDARIIDAE)
- fragilis, Cylindrobulla fragilis J.G. Jeffreys, 1856 - syn of: Ascobulla fragilis (J.G. Jeffreys, 1856) - (CYLINDROBULLIDAE)
- fragilis, Cylindrobullina fragilis (R.W. Dunker, 1846 †) - (CYLINDROBULLINIDAE) (FOSSIL)
- fragilis, Mauritia fragilis C. Linnaeus, 1758 - syn of: Mauritia arabica (C. Linnaeus, 1758) - (CYPRAEIDAE)
- fragilis, Cyrena fragilis G.B. I Sowerby, 1877 - syn of: Polymesoda mexicana (W.J. Broderip & G.B. I Sowerby, 1829) - (CYRENIDAE)
- fragilis, Heikea fragilis Isberg, 1934 † - (CYRTODONTIDAE) (FOSSIL)
- fragilis, Sebadoris fragilis (J. Alder & A. Hancock, 1864) - (DISCODORIDIDAE)
- fragilis, Discodoris fragilis J. Alder & A. Hancock, 1864 - syn of: Sebadoris fragilis (J. Alder & A. Hancock, 1864) - (DISCODORIDIDAE)
- fragilis, Doris fragilis J. Alder & A. Hancock, 1864 - syn of: Sebadoris fragilis (J. Alder & A. Hancock, 1864) - (DORIDIDAE)
- fragilis, Doto fragilis (E. Forbes, 1838) - (DOTIDAE)
- fragilis, Buliminus fragilis H.E. Anton, 1839 - syn of: Peristoma merdueniana I. Krynicki, 1833 - (ENIDAE)
- fragilis, Mirus cantori fragilis (O.F. von Möllendorff, 1884) - (ENIDAE)
- fragilis, Cirsotrema fragilis M. Azuma, 1960 - syn of: Epitonium tosaense (M. Azuma, 1962) - (EPITONIIDAE)
- fragilis, Epitonium fragilis G.B. Sowerby, 1844 - syn of: Epitonium albidum (A.V.M.D. D'Orbigny, 1842) - (EPITONIIDAE)
- fragilis, Cirsotrema fragilis S.C.T. Hanley, 1840 - syn of: Epitonium tosaense (M. Azuma, 1962) - (EPITONIIDAE)
- fragilis, Halielloides fragilis P. Bouchet & A. Warén, 1986 - (EULIMIDAE)
- fragilis, Straparollus fragilis J. Perner, 1903 † - (EUOMPHALIDAE) (FOSSIL)
- fragilis, Facelina fragilis (J.J. Risbec, 1928) - (FACELINIDAE)
- fragilis, Fusus fragilis A. Risso, 1826 - syn of: Aporrhais pespelicani (C. Linnaeus, 1758) - (FASCIOLARIIDAE)
- fragilis, Triptychia fragilis Schnabel, 2006 † - (FILHOLIIDAE) (FOSSIL)
- fragilis, Diodora fragilis I. Pérez Farfante & F.C. Henríquez, 1946 - (FISSURELLIDAE)
- fragilis, Emarginula fragilis M. Yokoyama, 1920 - (FISSURELLIDAE)
- fragilis, Diodora fragilis C. Nielsen & al., 2004 † - (FISSURELLIDAE) (FOSSIL)
- fragilis, Turquetia fragilis C. Vélain, 1877 - (GALEOMMATIDAE)
- fragilis, Ceratostreon fragilis Bogdanova 1980 † - (GRYPHAEIDAE) (FOSSIL)
- fragilis, Smaragdinella fragilis L. Bozzetti, 2008 - (HAMINOEIDAE)
- fragilis, Gemma fragilis (P.M.A. Morelet, 1851) - (HELICINIDAE)
- fragilis, Schasicheila fragilis H.A. Pilsbry, 1899 - (HELICINIDAE)
- fragilis, Sonorella rooseveltiana fragilis H.A. Pilsbry, 1939 - (HELMINTHOGLYPTIDAE)
- fragilis, Hiatella fragilis F.S. Holmes, 1859 - syn of: Ensitellops protexta (T.A. Conrad, 1841) - (HIATELLIDAE)
- fragilis, Saxicavella fragilis S.V. Wood, 1857 - syn of: Saxicavella jeffreysi R. Winckworth, 1930 - (HIATELLIDAE)
- fragilis, Panopea fragilis A.A. Gould, 1861 - syn of: Panopea abrupta (T.A. Conrad, 1849) - (HIATELLIDAE)
- fragilis, Inoceramus fragilis J.W. Hall & F.B. Meek, 1856 † - (INOCERAMIDAE) (FOSSIL)
- fragilis, Nozeba fragilis (G.P. Deshayes, 1861 †) - (IRAVADIIDAE) (FOSSIL)
- fragilis, Janthina fragilis J.B.P.A. Lamarck, 1816 - syn of: Janthina janthina (C. Linnaeus, 1758) - (JANTHINIDAE)
- Fragilis, syn of: Genus Janthina P.F. Röding, 1798 (JANTHINIDAE)
- fragilis, Retispira fragilis E.L. Yochelson, 1960 † - (KNIGHTITIDAE) (FOSSIL)
- fragilis, Patellilabia fragilis Wang, 1980 † - syn of: Patellilabia alticarinata Wang, 1980 † - (KNIGHTITIDAE) (FOSSIL)
- fragilis, Myllita fragilis (C.R. Laws, 1936 †) - (LASAEIDAE) (FOSSIL)
- fragilis, Hamulinites fragilis (Uhlig, 1883 †) - (LEPTOCERATOIDIDAE) (FOSSIL)
- fragilis, Limaria fragilis (J.F. Gmelin, 1791) - (LIMIDAE)
- fragilis, Benedictia fragilis (W. Dybowski, 1875) - (LITHOGLYPHIDAE)
- fragilis, Alaba fragilis (K.H.J. Thiele, 1930) - (LITIOPIDAE)
- fragilis, Atalacmea fragilis (G.B. I Sowerby, 1823) - (LOTTIIDAE)
- fragilis, Loripinus fragilis (R.A. Philippi, 1836) - (LUCINIDAE)
- fragilis, Lucina fragilis R.A. Philippi, 1836 - syn of: Loripinus fragilis (R.A. Philippi, 1836) - (LUCINIDAE)
- fragilis, Lymnaea fragilis (C. Linnaeus, 1758) - (LYMNAEIDAE)
- fragilis, Lyonsiella fragilis J.A. Allen & H. Turner, 1974 - (LYONSIELLIDAE)
- fragilis, Standella fragilis (J.F. Gmelin, 1791) - (MACTRIDAE)
- fragilis, Zenatiopsis fragilis (G.B. Pritchard, 1896 †) - (MACTRIDAE) (FOSSIL)
- fragilis, Mactra fragilis J.F. Gmelin, 1792 - syn of: Standella fragilis (J.F. Gmelin, 1791) - (MACTRIDAE)
- fragilis, Raeta fragilis A.W. Grabau & S.G. King, 1928 - syn of: Raeta pellicula (L.A. Reeve, 1854) - (MACTRIDAE)
- fragilis, Spisula fragilis J.E. Gray, 1837 - syn of: Standella pellucida (J.F. Gmelin, 1791) - (MACTRIDAE)
- fragilis, Pseudoglomus fragilis F.R. Bernard, 1989 - (MALLETIIDAE)
- fragilis, Stazzania fragilis (G.P. Deshayes, 1865 †) - (MARGINELLIDAE) (FOSSIL)
- fragilis, Runnegariella fragilis Simoes & al., 1995 † - (MEGADESMIDAE) (FOSSIL)
- fragilis, Thaumastus fragilis (J.B. von Spix, 1827) - (MEGASPIRIDAE)
- fragilis, Melanopsis fragilis J. Gassies, 1874 - syn of: Melanopsis frustulum P.M.A. Morelet, 1857 - (MELANOPSIDAE)
- fragilis, Poirieria fragilis (R. Houart, 1996) - (MURICIDAE)
- fragilis, Actinotrophon fragilis R. Houart, 1996 - syn of: Poirieria fragilis (R. Houart, 1996) - (MURICIDAE)
- fragilis, Rhizochilus fragilis A. Adams, 1844 - syn of: Coralliophila erosa (P.F. Röding, 1798) - (MURICIDAE)
- fragilis, Capistrocardia fragilis R. Tate, 1887 - syn of: Panopea australis (G.B. I Sowerby, 1833) - (MYIDA (unassigned))
- fragilis, Sphenia fragilis (H. Adams & A. Adams, 1854) - (MYIDAE)
- fragilis, Myophorella fragilis Lebküchner, 1932 † - (MYOPHORELLIDAE) (FOSSIL)
- fragilis, Crenella fragilis A.E. Verrill, 1885 - syn of: Solamen glandula (J.G. Totten, 1834) - (MYTILIDAE)
- fragilis, Bulbus fragilis (W.E. Leach, 1819) - (NATICIDAE)
- fragilis, Sinum fragilis T.A. Conrad, 1830 † - (NATICIDAE) (FOSSIL)
- fragilis, Siaesella fragilis Y. Kano & T. Kase, 2008 - (NERITILIIDAE)
- fragilis, Specula fragilis A. Cecalupo & I. Perugia, 2012 - (NEWTONIELLIDAE)
- fragilis, Notodiaphana fragilis (C. Vélain, 1877) - (NOTODIAPHANIDAE)
- fragilis, Leda fragilis J.H. Chemnitz, 1784 - syn of: Saccella commutata (R.A. Philippi, 1844) - (NUCULANIDAE)
- fragilis, Nucula fragilis G.P. Deshayes, 1829 † - (NUCULIDAE) (FOSSIL)
- fragilis, Nucula fragilis K.H.J. Thiele & S.G.A. Jaeckel, 1931 - syn of: Ennucula jaeckeli M. Huber, 2010 - (NUCULIDAE)
- fragilis, Microdiscula fragilis C.F. Laseron, 1954 - (ORBITESTELLIDAE)
- fragilis, Oreohelix strigosa fragilis (H. Hemphill, 1890) - (OREOHELICIDAE)
- fragilis, Ostrea fragilis J.F. Gmelin, 1791 - syn of: Limaria fragilis (J.F. Gmelin, 1791) - (OSTREIDAE)
- fragilis, Ovatoconcha fragilis Cope, 1996 † - (OVATOCONCHIDAE) (FOSSIL)
- fragilis, Parilimya fragilis (J.A. Grieg, 1920) - (PARILIMYIDAE)
- fragilis, Partula fragilis (A.E.J. Férussac, 1821) - (PARTULIDAE)
- fragilis, Patella fragilis R.A. Philippi, 1836 - syn of: Patella caerulea fragilis R.A. Philippi, 1836 - (PATELLIDAE)
- fragilis, Patella caerulea fragilis R.A. Philippi, 1836 - (PATELLIDAE)
- fragilis, Pecten fragilis J.G. Jeffreys, 1876 - syn of: Hyalopecten pudicus (E.A. Smith, 1885) - (PECTINIDAE)
- fragilis, Rugulina fragilis (G.O. Sars, 1878) - (PENDROMIDAE)
- fragilis, Periploma fragilis O.A. Scarlato, 1981 - syn of: Periploma aleuticum (A. Krause, 1885) - (PERIPLOMATIDAE)
- fragilis, Philine fragilis M. Sars, 1859 - syn of: Laona finmarchica (M. Sars, 1859) - (PHILINIDAE)
- fragilis, Martesia fragilis A.E. Verrill & K.J. Bush, 1898 - (PHOLADIDAE)
- fragilis, Barnea fragilis (G.B. II Sowerby, 1849) - (PHOLADIDAE)
- fragilis, Pholas fragilis E.A. Smith, 1904 - syn of: Barnea alfredensis (P. Bartsch, 1915) - (PHOLADIDAE)
- fragilis, Pholadomya fragilis J.A. Grieg, 1920 - syn of: Parilimya fragilis (J.A. Grieg, 1920) - (PHOLADOMYIDAE)
- fragilis, Ampullosansonia fragilis T. Kase, 1999 - (PICKWORTHIIDAE)
- fragilis, Atrina fragilis (T. Pennant, 1777) - (PINNIDAE)
- fragilis, Ferrissia fragilis (G.W. Tryon, 1863) - (PLANORBIDAE)
- fragilis, Gyraulus fragilis (P.S. Pavlovic, 1903) - (PLANORBIDAE)
- fragilis, Hippeutis fragilis A. Mousson in A. Moquin-Tandon, 1855 - syn of: Hippeutis complanatus (C. Linnaeus, 1758) - (PLANORBIDAE)
- fragilis, Planorbis fragilis R. Tate, 1896 - syn of: Gyraulus essingtonensis (E.A. Smith, 1882) - (PLANORBIDAE)
- fragilis, Annularisca fragilis (J. Gundlach in L. Pfeiffer, 1859) - (POMATIIDAE)
- fragilis, Protocuspidaria fragilis E.M. Krylova, 1995 - (PROTOCUSPIDARIIDAE)
- fragilis, Asaphis fragilis C. Linnaeus, 1758 - syn of: Gastrana fragilis (C. Linnaeus, 1758) - (PSAMMOBIIDAE)
- fragilis, Pteria fragilis J.L.M. Defrance, 1816 † - (PTERIIDAE) (FOSSIL)
- fragilis, Turbonilla fragilis A. Adams, 1860 - (PYRAMIDELLIDAE)
- fragilis, Quirella fragilis Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- fragilis, Daphnella fragilis (H.A. Pilsbry, 1901) - (RAPHITOMIDAE)
- fragilis, Pleurotomella fragilis (G.P. Deshayes, 1834 †) - (RAPHITOMIDAE) (FOSSIL)
- fragilis, Daphnella fragilis L.A. Reeve, 1845 - syn of: Daphnella botanica C. Hedley, 1918 - (RAPHITOMIDAE)
- fragilis, Ringicula fragilis T. Takeyama, 1935 - (RINGICULIDAE)
- fragilis, Rissoa fragilis (J.B.P.A. Lamarck, 1804 †) - (RISSOIDAE) (FOSSIL)
- fragilis, Rissoa fragilis A. Michaud, 1832 - (RISSOIDAE)
- fragilis, Rissoina fragilis B. Wade, 1926 † - (RISSOINIDAE) (FOSSIL)
- fragilis, Leptodomus fragilis F. McCoy, 1844 † - (SANGUINOLITIDAE) (FOSSIL)
- fragilis, Scaphander fragilis (T. Habe, 1952) - (SCAPHANDRIDAE)
- fragilis, Theora fragilis G.F. Angas, 1877 - (SEMELIDAE)
- fragilis, Abra fragilis A. Risso, 1826 - syn of: Abra prismatica (G. Montagu, 1808) - (SEMELIDAE)
- fragilis, Theora fragilis A. Adams, 1856 - syn of: Theora lata (R.B. Hinds, 1843) - (SEMELIDAE)
- fragilis, Syndesmya fragilis K.O. Milaschewitsch, 1916 - syn of: Abra prismatica (G. Montagu, 1808) - (SEMELIDAE)
- fragilis, Seraphs fragilis J.L.M. Defrance, 1825 † - (SERAPHSIDAE) (FOSSIL)
- fragilis, Shaanxiconcha fragilis H.X. Liu, 1980 † - (SHAANXICONCHIDAE) (FOSSIL)
- fragilis, Silicula fragilis J.G. Jeffreys, 1879 - (SILICULIDAE)
- fragilis, Pisidium fragilis C.A. Westerlund, 1873 - syn of: Pisidium obtusale (J.B.P.A. Lamarck, 1818) - (SPHAERIIDAE)
- fragilis, Spirula fragilis J.B.P.A. Lamarck, 1801 - syn of: Spirula spirula (C. Linnaeus, 1758) - (SPIRULIDAE)
- fragilis, Spondylus fragilis G.B. Sowerby, 1847 - (SPONDYLIDAE)
- fragilis, Sportella fragilis (G.P. Deshayes, 1857 †) - (SPORTELLIDAE) (FOSSIL)
- fragilis, Stenoglaphyrites fragilis (Bisat, 1932 †) - (STENOGLAPHYRITIDAE) (FOSSIL)
- fragilis, Streptacis fragilis Pan & Erwin, 2002 † - (STREPTACIDIDAE) (FOSSIL)
- fragilis, Parvedentulina fragilis K.C. Emberton, 2002 - (STREPTAXIDAE)
- fragilis, Terestrombus fragilis (P.F. Röding, 1798) - (STROMBIDAE)
- fragilis, Strombus fragilis Moore, 1863 - syn of: Strombus proximus J. de C. Sowerby, 1850 † - (STROMBIDAE)
- fragilis, Succinea fragilis P.P. King, 1832 - (SUCCINEIDAE)
- fragilis, Succinea fragilis L.F.A. Souleyet - syn of: Succinea cepulla A.A. Gould, 1846 - (SUCCINEIDAE)
- fragilis, Gastrana fragilis (C. Linnaeus, 1758) - (TELLINIDAE)
- fragilis, Jitlada fragilis (I.P. Zorina, 1978) - (TELLINIDAE)
- fragilis, Tellina fragilis O. Fabricius, 1780 - syn of: Macoma balthica (C. Linnaeus, 1758) - (TELLINIDAE)
- fragilis, Teredo fragilis R. Tate, 1888 - syn of: Teredo bartschi W.F. Clapp, 1923 - (TEREDINIDAE)
- fragilis, Melibaea fragilis E. Forbes, 1838 - syn of: Doto fragilis (E. Forbes, 1838) - (TETHYDIDAE)
- fragilis, Vitridomus fragilis (H.A. Pilsbry & A.A. Olsson, 1945) - (TORNIDAE)
- fragilis, Tornus fragilis G.O. Sars, 1878 - syn of: Rugulina fragilis (G.O. Sars, 1878) - (TORNIDAE)
- fragilis, Coralliophaga fragilis O.G. Costa, 1843 - syn of: Coralliophaga lithophagella (J.B.P.A. Lamarck, 1819) - (TRAPEZIDAE)
- fragilis, Trochus fragilis R. Pulteney, 1799 - syn of: Calliostoma granulatum (I. von Born, 1778) - (TROCHIDAE)
- fragilis, Napulus fragilis N.F. Sohl, 1964 † - (TURBINELLIDAE) (FOSSIL)
- fragilis, Pleurotoma fragilis L.A. Reeve, 1845 - syn of: Daphnella interrupta W.H. Pease, 1860 - (TURRIDAE)
- fragilis, Turritella fragilis L.C. Kiener, 1873 - syn of: Turritella cingulifera G.B. I Sowerby, 1825 - (TURRITELLIDAE)
- fragilis, Turritella terebralis fragilis J.P.S. Grateloup, 1840 † - (TURRITELLIDAE) (FOSSIL)
- fragilis, Diplodonta fragilis (A. Braun in C.L.F. von Sandberger, 1863 †) - (UNGULINIDAE) (FOSSIL)
- fragilis, Leptodea fragilis C.S. Rafinesque, 1820 - (UNIONIDAE)
- fragilis, Pyganodon fragilis (J.B.P.A. Lamarck, 1819) - (UNIONIDAE)
- fragilis, Unio fragilis L.A. Reeve, 1865 - syn of: Diplodon chilensis (J.E. Gray, 1852) - (UNIONIDAE)
- fragilis, Unio fragilis G. Nevill, 1877 - syn of: Trapezoideus exolescens (A.A. Gould, 1843) - (UNIONIDAE)
- fragilis, Anodonta fragilis J.B.P.A. Lamarck, 1819 - syn of: Pyganodon fragilis (J.B.P.A. Lamarck, 1819) - (UNIONIDAE)
- fragilis, Myonia fragilis Morris, 1845 † - syn of: Myomedia carinata (Morris, 1845 †) - (VACUNELLIDAE) (FOSSIL)
- fragilis, Cymenorytis fragilis (J.B.P.A. Lamarck, 1804 †) - (VANIKORIDAE) (FOSSIL)
- fragilis, Pseudotorellia fragilis A. Warén, 1989 - (VELUTINIDAE)
- fragilis, Callistalox fragilis (W.M. Gabb, 1869 †) - (VENERIDAE) (FOSSIL)
- fragilis, Psathura fragilis (J.B.P.A. Lamarck, 1805 †) - (VENERIDAE) (FOSSIL)
- fragilis, Meretrix fragilis W.M. Gabb, 1869 † - syn of: Callistalox fragilis (W.M. Gabb, 1869 †) - (VENERIDAE) (FOSSIL)
- fragilis, Venus fragilis P. Nyst & G.D. Westendorp, 1839 - syn of: Diplodonta brocchii (G.P. Deshayes, 1850) - (VENERIDAE)
- fragilis, Venus fragilis O. Fabricius, 1780 - syn of: Macoma balthica (C. Linnaeus, 1758) - (VENERIDAE)
- fragilis, Cyclina fragilis A. Römer, 1861 - syn of: Cyclinella tenuis (C.A. Récluz, 1852) - (VENERIDAE)
- fragilis, Ascobulla fragilis (J.G. Jeffreys, 1856) - (VOLVATELLIDAE)
- fragilis, Volvatella fragilis W.H. Pease, 1860 - (VOLVATELLIDAE)
- fragilis articulata, Daphnella fragilis articulata H.A. Pilsbry, 1901 - syn of: Daphnella interrupta W.H. Pease, 1860 - (RAPHITOMIDAE)
- fragilis convexior, Nucula fragilis convexior M. Glibert, 1985 - (NUCULIDAE)
- fragilis distinguenda, Benedictia fragilis distinguenda W.A. Lindholm, 1924 - syn of: Benedictia distinguenda (W.A. Lindholm, 1924) - (LITHOGLYPHIDAE)
- fragilis elata, Gemma fragilis elata (R.J. Shuttleworth, 1852) - (HELICINIDAE)
- fragilis gracilis, Nucula fragilis gracilis Bogsch, 1936 † - (NUCULIDAE) (FOSSIL)
- fragilis incrassata, Gastrana fragilis incrassata M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1896 - syn of: Gastrana fragilis (C. Linnaeus, 1758) - (TELLINIDAE)
- fragilis juliani, Annularisca fragilis juliani C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- fragilis kiiensis, Limaria fragilis kiiensis (K. Oyama, 1943) - syn of: Limaria kiiensis (K. Oyama, 1943) - (LIMIDAE)
- fragilis major, Gastrana fragilis major P.M. Pallary, 1900 - syn of: Gastrana fragilis (C. Linnaeus, 1758) - (TELLINIDAE)
- fragilis merdigera, Succincta fragilis merdigera L. Pfeiffer, 1855 - syn of: Gemma merdigera (L. Pfeiffer, 1855) - (HELICINIDAE)
- fragilis nieulandei, Stazzania fragilis nieulandei D. Fehse, 1988 † - (MARGINELLIDAE) (FOSSIL)
- fragilis nigella, Gastrana fragilis nigella A. De Gregorio, 1884 - syn of: Gastrana fragilis (C. Linnaeus, 1758) - (TELLINIDAE)
- fragilis nipponensis, Doto fragilis nipponensis K. Baba, 1971 - (DOTIDAE)
- fragilis persinuosa, Gastrana fragilis persinuosa A.E.M. Cossmann & M.A. Peyrot, 1910 † - (TELLINIDAE) (FOSSIL)
- fragilis spiraelata, Janthina fragilis spiraelata O.A.L. Mörch, 1860 - syn of: Janthina janthina (C. Linnaeus, 1758) - (JANTHINIDAE)
- fragilis umia, Doto fragilis umia Er. Marcus & Ev. Marcus, 1969 - syn of: Doto fragilis (E. Forbes, 1838) - (DOTIDAE)
- Fragiliscala, syn of: Genus Epitonium P.F. Röding, 1798 (EPITONIIDAE)
- fragilissima, Cardiomya fragilissima (E.A. Smith, 1885) - (CUSPIDARIIDAE)
- fragilissima, Scala fragilissima M.M. Schepman, 1909 - syn of: Eccliseogyra fragilissima (M.M. Schepman, 1909) - (EPITONIIDAE)
- fragilissima, Ophiolamia fragilissima P. Bouchet & A. Warén, 1986 - (EULIMIDAE)
- fragilissima, Eccliseogyra fragilissima (M.M. Schepman, 1909) - (NYSTIELLIDAE)
- fragilissima, Ondina fragilissima A. Peñas & E. Rolán, 2002 - (PYRAMIDELLIDAE)
- fragilissima, Spiniloma fragilissima (F.A. von Quenstedt, 1857 †) - (SPINILOMATIDAE) (FOSSIL)
- fragilissima, Parvithracia fragilissima B.A. Marshall, 2002 - (THRACIIDAE)
- fragilissimum, Gastridium fragilissimum (E.J. Petuch, 1979) - (CONIDAE)
- fragilissimus, Bayerius fragilissimus (W.H. Dall, 1908) - (BUCCINIDAE)
- fragilissimus, Fusinus fragilissimus W.H. Dall, 1908 - syn of: Bayerius fragilissimus (W.H. Dall, 1908) - (FASCIOLARIIDAE)
- fragilissimus, Micratys fragilissimus B.M. Landau & al., 2013 † - (HAMINOEIDAE) (FOSSIL)
- fragillima, Orpiella fragillima A.A. Gould - (HELICARIONIDAE)
- fragillima, Loxonema fragillima J. Perner, 1907 † - (LOXONEMATIDAE) (FOSSIL)
- fragillima, Abra fragillima (A. Issel, 1869) - (SEMELIDAE)
- fragillima, Anodonta fragillima J.R. Bourguignat, 1881 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- fragillima, Paradmete fragillima (R.B. Watson, 1882) - (VOLUTOMITRIDAE)
- fragillimum, Cyamiocardium fragillimum (K.H.J. Thiele, 1912) - (CYAMIIDAE)
- fragillimum, Pisidium fragillimum V. Sterki, 1906 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- Fragilopalia, syn of: Genus Acrilla H. Adams, 1860 (EPITONIIDAE)
- Fragipupilla, Subgenus Pupilla (Fragipupilla) A.A. Schileyko, 1984 (PUPILLIDAE)
- fragmentaricum, Winnipegoceras fragmentaricum E. Strand, 1934 † - (WESTONOCERATIDAE) (FOSSIL)
- fragosa, Amastra fragosa C.M. Cooke, 1917 - (AMASTRIDAE)
- fragosa, Euclia fragosa A.A. Olsson, 1964 † - (CANCELLARIIDAE) (FOSSIL)
- fragosa, Euryptyxis fragosa (L. Pfeiffer, 1842) - (CERASTUIDAE)
- fragosa, Exogyra fragosa T.A. Conrad, 1855 † - syn of: Ceratostreon texanum (F.A. Roemer, 1849 †) - (GRYPHAEIDAE) (FOSSIL)
- fragosa, Coralliophila fragosa E.A. Smith, 1910 - (MURICIDAE)
- fragosa, Abra fragosa (J. Marwick, 1931 †) - (SEMELIDAE) (FOSSIL)
- fragosa, Quadrula fragosa T.A. Conrad, 1835 - (UNIONIDAE)
- fragosum, Cancelloceras fragosum Ruzhencev & Bogoslovskaya, 1978 † - (GASTRIOCERATIDAE) (FOSSIL)
- fragosus, Pododesmus fragosus T.A. Conrad, 1875 † - (ANOMIIDAE) (FOSSIL)
- fragosus, Nipponochloritis fragosus H. Minato, 1983 - (CAMAENIDAE)
- fragosus, Fusinus fragosus L.A. Reeve, 1848 - syn of: Fusinus rostratus (A.G. Olivi, 1792) - (FASCIOLARIIDAE)
- fragosus, Nodipecten fragosus (T.A. Conrad, 1849) - (PECTINIDAE)
- fragosus, Scalaetrochus fragosus E.G. Linsley, 1968 † - (PSEUDOPHORIDAE) (FOSSIL)
- fragrans, Cerithidium fragrans (K.H. Barnard, 1958) - (CERITHIIDAE)
- fragrans, Bittium fragrans K.H. Barnard, 1958 - syn of: Cerithidium fragrans (K.H. Barnard, 1958) - (CERITHIIDAE)
- fragrans, Oxychilus fragrans M. Paulucci, 1878 - syn of: Oxychilus carotii (M. Paulucci, 1878) - (OXYCHILIDAE)
- fragrans, Schistophallus fragrans M. Paulucci, 1878 - syn of: Oxychilus carotii (M. Paulucci, 1878) - (ZONITIDAE)
- fragum, Calliostoma fragum (R.A. Philippi, 1848) - (CALLIOSTOMATIDAE)
- Fragum, Genus Fragum P.F. Röding, 1798 (CARDIIDAE)
- fragum, Fragum fragum (C. Linnaeus, 1758) - (CARDIIDAE)
- fragum, Fragum fragum H. Lynge, 1909 - syn of: Fragum scruposum bannoi Y. Otuka, 1937 - (CARDIIDAE)
- fragum, Chama fragum L.A. Reeve, 1847 - (CHAMIDAE)
- fragum, Drupella fragum (H.M.D. de Blainville, 1832) - (MURICIDAE)
- fragum, Drupa fragum P.F. Röding, 1798 - syn of: Drupa rubusidaeus P.F. Röding, 1798 - (MURICIDAE)
- fragum, Nassa fragum J.B. Hombron & C.H. Jacquinot, 1848 - syn of: Nassarius gruneri (R.W. Dunker, 1846) - (NASSARIIDAE)
- fragum, Nerita fragum (L.A. Reeve, 1855) - (NERITIDAE)
- fragum, Argonerita fragum L.A. Reeve, 1855 - syn of: Nerita fragum (L.A. Reeve, 1855) - (NERITIDAE)
- fragum, Spondylus fragum L.A. Reeve, 1856 - syn of: Spondylus multisetosus L.A. Reeve, 1856 - (SPONDYLIDAE)
- fragum, Calthalotia fragum R.A. Philippi, 1848 - syn of: Calliostoma fragum (R.A. Philippi, 1848) - (TROCHIDAE)
- fragum carinata, Fragum fragum carinata H. Lynge, 1909 - syn of: Fragum scruposum (G.P. Deshayes, 1855) - (CARDIIDAE)
- fragum douvillei, Chama fragum douvillei F.P. Jousseaume in É. Lamy, 1921 - syn of: Chama pacifica W.J. Broderip, 1835 - (CHAMIDAE)
- frailensis, Fusinus frailensis O. Macsotay & B. Campos, 2001 - (FASCIOLARIIDAE)
- frailensis, Trophon frailensis C. Nielsen, 2003 † - (MURICIDAE) (FOSSIL)
- Fraipontia, Genus Fraipontia Rogalla & Amler, 2006 † (HIPPOCARDIIDAE) (FOSSIL)
- fralila, Placida fralila R.F. Burn, 1966 - (LIMAPONTIIDAE)
- framea, Sepia framea A.E. Ortmann, 1891 - syn of: Sepia pharaonis C.G. Ehrenberg, 1831 - (SEPIIDAE)
- framensis, Pareledone framensis C.C. Lu & T.N. Stranks, 1994 - (OCTOPODIDAE)
- framesi, Sculptaria framesi H.C. Burnup, 1923 - (SCULPTARIIDAE)
- framesi, Indonaia framesi M. Connolly, 1925 - syn of: Coelatura mossambicensis (E.C. Von Martens, 1860) - (UNIONIDAE)
- frami, Arzelella frami Kitttl 1907 † - (DAONELLIDAE) (FOSSIL)
- frami, Daonella frami E.A.L. Kittl, 1907 † - (DAONELLIDAE) (FOSSIL)
- frami, Yoldiella frami J. Knudsen, 1985 - (YOLDIIDAE)
- framptoni, Liguus fasciatus framptoni A.M. Jones, 1979 - (ORTHALICIDAE)
- franae, Lepetopsis franae Lipman & Langenheim Jr., 1983 † - (LEPETOPSIDAE) (FOSSIL)
- francae, Ribeiria francae P. Sánchez, 2000 † - (RIBEIRIIDAE) (FOSSIL)
- francaisi, Guyvalvoria francaisi A.J.B.M. Vayssière, 1906 - (FIONIDAE)
- francanum, Aylacostoma francanum (H.F.A. von Ihering, 1909) - (THIARIDAE)
- francesae, Cochliopina francesae (C. Goodrich & H. Van Der Schalie, 1937) - (COCHLIOPIDAE)
- francesae, Strombina francesae J. Gibson-Smith, 1974 - (COLUMBELLIDAE)
- francesae, Ocinebrina francesae G.J. Vermeij & E.H. Vokes, 1997 † - (MURICIDAE) (FOSSIL)
- francesae, Distorsio reticularis francesae (T. Iredale, 1931) - (PERSONIDAE)
- francesae, Haplocochlias francesae (H.A. Pilsbry & J.T.L. McGinty, 1945) - (SKENEIDAE)
- francescae, Baluchicardia francescae (Gardner & E. Bowles, 1939 †) - (CARDITIDAE) (FOSSIL)
- francescae, Rugotyphis francescae (Finlay, 1924 †) - (MURICIDAE) (FOSSIL)
- francescae, Ortizius francescae M. Bech, 1996 - (OXYCHILIDAE)
- francesci, Taguahelix francesci (W.H. Webster, 1904) - (PUNCTIDAE)
- francesci, Laoma francesci W.H. Webster, 1904 - syn of: Taguahelix francesci (W.H. Webster, 1904) - (PUNCTIDAE)
- francescoi, Cribrarula francescoi F.Jr. Lorenz, 2002 - syn of: Cribrarula esontropia francescoi F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- francescoi, Cribrarula esontropia francescoi F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- francescoi, Cerithiella francescoi A. Cecalupo & I. Perugia, 2014 - (NEWTONIELLIDAE)
- Francesia, syn of: Genus Coilostele W.H. Benson, 1864 (FERUSSACIIDAE)
- francesiae, Assiminea francesiae G. Nevill, 1885 - (ASSIMINEIDAE)
- francheti, Margarya francheti (J.F. Mabille, 1886) - (VIVIPARIDAE)
- Franchia, Genus Franchia Sturani, 1966 † (PERISPHINCTIDAE) (FOSSIL)
- franchii, Triplex franchii T. Cossignani, 2005 - (MURICIDAE)
- franchii, Haustellum franchii L. Bozzetti, 1993 - (MURICIDAE)
- franci, Mutela franci J. Daget, 1964 - (IRIDINIDAE)
- francisca, Bistolida hirundo francisca (F.A. Schilder & M. Schilder, 1938) - (CYPRAEIDAE)
- francisca, Ceratia francisca Lima, Júnior, Guimarães & Dominguez, 2016 - (IRAVADIIDAE)
- francisca, Lymnaea francisca F. Poey, 1858 - syn of: Pseudosuccinea columella (T. Say, 1817) - (LYMNAEIDAE)
- francisca, Natica francisca L.A. Reeve, 1855 - (NATICIDAE)
- franciscae, Straparollus franciscae Böhm, 1895 † - (EUOMPHALIDAE) (FOSSIL)
- franciscae, Volvarina franciscae J. Espinosa, L. Moro & J.A. Ortea, 2011 - (MARGINELLIDAE)
- franciscae, Melanopsis franciscae Š. Brusina, 1903 † - (MELANOPSIDAE) (FOSSIL)
- franciscae, Miralda franciscae E. Saurin, 1958 - (PYRAMIDELLIDAE)
- franciscana, Synprosphyma franciscana (O.F. von Möllendorff, 1885) - (CLAUSILIIDAE)
- franciscana, Apachella franciscana (Chronic, 1952 †) - (GOSSELETINIDAE) (FOSSIL)
- franciscana, Sonorella binneyi franciscana H.A. Pilsbry & J.H. Ferriss, 1919 - (HELMINTHOGLYPTIDAE)
- franciscana, Erycina franciscana C.A. Récluz, 1845 - syn of: Tellimya ferruginosa (Montague, 1808) - (LASAEIDAE)
- franciscana, Domiporta franciscana J.E. Tenison-Woods, 1877 - syn of: Domiporta strangei (G.F. Angas, 1867) - (MITRIDAE)
- franciscana, Thais franciscana W.H. Dall, 1915 - syn of: Nucella lamellosa (J.F. Gmelin, 1791) - (MURICIDAE)
- franciscana, Monocondylaea franciscana S. Moricand, 1837 - syn of: Monocondylaea corrientesensis D'Orbigny, 1836 - (MYCETOPODIDAE)
- franciscana, Odostomia franciscana P. Bartsch, 1917 - (PYRAMIDELLIDAE)
- franciscana dayongensis, Synprosphyma franciscana dayongensis (C. Chen & S.Q. Zhang, 1999) - (CLAUSILIIDAE)
- franciscanum, Spectamen franciscanum (K.H. Barnard, 1963) - (SOLARIELLIDAE)
- franciscanus, Conus franciscanus C.H. Hwass in J.G. Bruguière, 1792 - syn of: Lautoconus ventricosus (J.F. Gmelin, 1791) - (CONIDAE)
- franciscanus, Tomelasmus adnatus franciscanus C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- franciscanus, Vermetus franciscanus K.H.J. Thiele, 1925 - (VERMETIDAE)
- francisci, Clavatula calcarata francisci F. Toula, 1910 † - (CLAVATULIDAE) (FOSSIL)
- francisci, Opalia francisci (Caillat, 1835 †) - (EPITONIIDAE) (FOSSIL)
- francisci, Lytoceras francisci (Oppel, 1865 †) - (LYTOCERATIDAE) (FOSSIL)
- francisci, Eopleurotoma francisci (Raincourt, 1876 †) - (TURRIDAE) (FOSSIL)
- Francisciconcha, Genus Francisciconcha Little & al., 2004 † (TROCHIDAE) (FOSSIL)
- franciscoi, Varioconus franciscoi E. Rolán & D. Röckel, 2000 - (CONIDAE)
- franciscoi, Xerocrassa franciscoi B. Hausdorf & J. Sauer, 2009 - (HYGROMIIDAE)
- franciscoi, Orculella franciscoi E. Gittenberger & B. Hausdorf, 2004 - (ORCULIDAE)
- franciscoi, Turbolidium franciscoi (A. Peñas & E. Rolán, 1997) - (PYRAMIDELLIDAE)
- franciscoi, Scissileda franciscoi (Shuto 1971) † - (YOLDIIDAE) (FOSSIL)
- franciscoloi, Arion franciscoloi A. Boato, M. Bodon & F.L. Giusti, 1983 - (ARIONIDAE)
- francisense, Paradentalium francisense (J.C. Verco, 1911) - (DENTALIIDAE)
- francisensis, Donax francisensis (B.C. Cotton & F.C. Godfrey, 1938) - (DONACIDAE)
- francisensis, Philobrya francisensis (B.C. Cotton, 1931) - (PHILOBRYIDAE)
- francisensis, Isognomon francisensis B.C. Cotton & F.C. Godfrey, 1938 - syn of: Isognomon nucleus (J.B.P.A. Lamarck, 1819) - (PTERIIDAE)
- francisensis, Gouldiopa francisensis B.C. Cotton & F.C. Godfrey, 1938 - syn of: Gouldiopa australis (G.F. Angas, 1865) - (VENERIDAE)
- Francisia, syn of: Genus Acanthopleura L. Guilding, 1829 (CHITONIDAE)
- franciskae, Putzeysia franciskae W. Engl & E. Rolán, 2009 - syn of: Putzeysia franziskae W. Engl & E. Rolán, 2009 - (CALLIOTROPIDAE)
- francisocensis, Neophlycticeras francisocensis Kellum & Mintz, 1962 † - (LYELLICERATIDAE) (FOSSIL)
- francisquitana, Turbonilla francisquitana F.C. Baker, G.D. Hanna & A.M. Strong, 1928 - (PYRAMIDELLIDAE)
- francocacii, Calliotropis francocacii G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 - (CALLIOTROPIDAE)
- francofurtana, Prososthenia francofurtana Fischer & W.A. Wenz, 1925 † - (HYDROBIIDAE) (FOSSIL)
- francofurtana, Zilchiola francofurtana (O. Böttger, 1904 †) - (RISSOOIDEA (UNASSIGNED)) (FOSSIL)
- francoi, Odostomia francoi A. Peñas & E. Rolán, 1999 - (PYRAMIDELLIDAE)
- francoisae, Felimare francoisae (P. Bouchet, 1980) - (CHROMODORIDIDAE)
- francoisi, Risbecia francoisi N.H. Odhner, 1934 - syn of: Hypselodoris tryoni (A. Garrett, 1873) - (CHROMODORIDIDAE)
- francoisi, Jeanrisbecia francoisi N.H. Odhner, 1934 - syn of: Hypselodoris tryoni (A. Garrett, 1873) - (CHROMODORIDIDAE)
- francoisi, Ceratosoma francoisi A. de Rochebrune, 1894 - syn of: Ceratosoma tenue F.D. Abraham, 1876 - (CHROMODORIDIDAE)
- francoisi, Coralliophila francoisi L. Bozzetti, 2006 - (MURICIDAE)
- francoisi, Clithon francoisi (J.F. Mabille, 1895) - (NERITIDAE)
- francoisi, Gudeodiscus francoisi (H. Fischer, 1899) - (PLECTOPYLIDAE)
- francolina, Nassa francolina (J.G. Bruguière, 1789) - (MURICIDAE)
- francolinus, Buccinum francolinus J.G. Bruguière, 1789 - syn of: Nassa francolina (J.G. Bruguière, 1789) - (BUCCINIDAE)
- francolinus, Nassa francolinus J.G. Bruguière, 1789 - syn of: Nassa francolina (J.G. Bruguière, 1789) - (MURICIDAE)
- francolinus, Purpura francolinus L.C. Kiener, 1835 - syn of: Nassa tuamotuensis R. Houart, 1996 - (MURICIDAE)
- francomontanum, Bythiospeum francomontanum (R. Bernasconi, 1973) - (HYDROBIIDAE)
- francomontanus, Nautilus francomontanus Kuhn, 1939 † - syn of: Eutrephoceras claramontanum Kuhn, 1939 † - (NAUTILIDAE) (FOSSIL)
- franconensiana, Alaina franconensiana Alberti, 1998 † - (CRASSILINIDAE) (FOSSIL)
- franconiana, Procorniculina franconiana Alberti, 1985 † - (PROCORNICULINIDAE) (FOSSIL)
- franconica, Ovactaeonina franconica Kuhn, 1935 † - (ACTEONINIDAE) (FOSSIL)
- franconica, Costasphaera franconica J. Gründel & A. Nützel, 2015 † - (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- franconica, Stabilea costata franconica P. Ehrmann, 1933 - (CLAUSILIIDAE)
- franconica, Aktuboclymenia franconica W. Korn & J. Price, 1987 † - (CLYMENIIDAE) (FOSSIL)
- franconica, Myophorella franconica Lebküchner, 1932 † - (MYOPHORELLIDAE) (FOSSIL)
- franconica, Paranowakia franconica Alberti, 1984 † - (PARANOWAKIIDAE) (FOSSIL)
- franconica, Unio franconica R. Dehm, 1935 † - (UNIONIDAE) (FOSSIL)
- franconica spirata, Vitrella franconica spirata D. Geyer, 1904 - syn of: Bythiospeum clessini (C.D. Weinland, 1883) - (HYDROBIIDAE)
- franconica spirella, Vitrella franconica spirella D. Geyer, 1904 - syn of: Bythiospeum clessini (C.D. Weinland, 1883) - (HYDROBIIDAE)
- Franconicilda, Genus Franconicilda Schulbert & Nützel, 2013 † (MATHILDIDAE) (FOSSIL)
- Franconiclymenia, Genus Franconiclymenia Korn & Price 1987 † (KOSMOCLYMENIIDAE) (FOSSIL)
- franconicus, Ammonites franconicus Schlotheim, 1813 † - syn of: Pleuroceras spinatum (J.G. Bruguière, 1789 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- franconicus, Nautilus franconicus Oppel, 1865 † - syn of: Pseudaganides franconicus (Oppel, 1865 †) - (NAUTILIDAE) (FOSSIL)
- franconicus, Pseudaganides franconicus (Oppel, 1865 †) - (PSEUDONAUTILIDAE) (FOSSIL)
- franconiensis, Hypseloconus franconiensis Berkey, 1898 † - syn of: Strepsodiscus franconiensis (Berkey, 1898 †) - (HYPSELOCONIDAE) (FOSSIL)
- franconiensis, Strepsodiscus franconiensis (Berkey, 1898 †) - (TROPIDODISCIDAE) (FOSSIL)
- Franconites, Genus Franconites Zeiss, 1968 † (ATAXIOCERATIDAE) (FOSSIL)
- francroberti, Kanamarua francroberti K. Fraussen & D. Lamy, 2008 - (COLUBRARIIDAE)
- frangepanii, Arianta frangepanii (T. Kormos, 1906) - (HELICIDAE)
- frangiata, Geinitzia frangiata A. De Gregorio 1930 † - (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- frangula, Lutraria frangula Urk, 1980 † - (MACTRIDAE) (FOSSIL)
- frankae, Triptychia gracilis frankae Schnabel, 2006 † - (FILHOLIIDAE) (FOSSIL)
- frankbernardi, Spheniopsis frankbernardi E.V. Coan, 1990 - (SPHENIOPSIDAE)
- frankei, Macrophaedusa frankei (O. Böttger & P.B. Schmacker, 1894) - (CLAUSILIIDAE)
- frankei, Kalchreuthia frankei (Kuhn, 1936 †) - (IRAVADIIDAE) (FOSSIL)
- frankei, Pseudomelania frankei Kuhn, 1936 † - (PSEUDOMELANIIDAE) (FOSSIL)
- frankfortensis, Loxobucania frankfortensis (Ulrich & Scofield, 1897 †) - (BUCANIIDAE) (FOSSIL)
- franki, Bothriembryon franki T. Iredale, 1939 - syn of: Bothriembryon fuscus K.H.J. Thiele, 1931 - (BOTHRIEMBRYONTIDAE)
- franki, Pseudokellya franki D.G. Zelaya & C.F. Ituarte, 2009 - (KELLIIDAE)
- franki, Odostomia franki A. Peñas & E. Rolán, 1999 - (PYRAMIDELLIDAE)
- Frankites, Genus Frankites Tozer , 1971 † (TRACHYCERATIDAE) (FOSSIL)
- franklandensis, Beddomeia franklandensis W.F. Ponder & K.B. Clark, 1993 - (HYDROBIIDAE)
- franklandiensis, Rhytida franklandiensis (E. Forbes, 1851) - (RHYTIDIDAE)
- franklinae, Atlanticonus franklinae J.R. Hendricks, 2015 † - (CONIDAE) (FOSSIL)
- franklinae, Fissidentalium franklinae K.L. Lamprell & J.M. Healy, 1998 - (DENTALIIDAE)
- franklinensis, Mitrella franklinensis (J.H. Gatliff & C.J. Gabriel, 1910) - (COLUMBELLIDAE)
- franklinensis, Beddomeia franklinensis W.F. Ponder & K.B. Clark, 1993 - (HYDROBIIDAE)
- franklini, Lamottoceras franklini Flower, 1958 † - (ENDOCERATIDAE) (FOSSIL)
- franklini, Meekophiceras franklini Tozer, 1994 † - (MEEKOCERATIDAE) (FOSSIL)
- franklini, Ostrea franklini Coquand, 1852 † - (OSTREIDAE) (FOSSIL)
- franklini, Ostrea franklini J. Hill, 1888 † - syn of: Exogyra hilli Cragin, 1893 † - (OSTREIDAE) (FOSSIL)
- franklini, Eulimastoma franklini A. Pimenta, 2012 - (PYRAMIDELLIDAE)
- franklini camelina, Ostrea franklini camelina (Cragin, 1888 †) - (OSTREIDAE) (FOSSIL)
- franklini ragsdalei, Ostrea franklini ragsdalei (J. Hill, 1893 †) - (OSTREIDAE) (FOSSIL)
- Franklinoceras, Genus Franklinoceras Flower, 1957 † (RUEDEMANNOCERATIDAE) (FOSSIL)
- frankovichi, Bulla striata frankovichi E.J. Petuch & D.M. Sargent, 2012 - (BULLIDAE)
- frankstanisica, Crookshanksia frankstanisica J. Stanisic, 2010 - (CAMAENIDAE)
- franqana, Acteonina franqana A.V.M.D. D'Orbigny, 1852 † - syn of: Ceritella franqana (A.V.M.D. D'Orbigny, 1852 †) - (ACTEONINIDAE) (FOSSIL)
- franqana, Ceritella franqana (A.V.M.D. D'Orbigny, 1852 †) - (CERITELLIDAE) (FOSSIL)
- franquiae, Eulima franquiae J.J. Oberling, 1970 - (EULIMIDAE)
- franseni, Alvania franseni H.J. Hoenselaar & J. Goud, 1998 - (RISSOIDAE)
- Fransonia, Genus Fransonia Newell & Boyd, 1995 † (HUNANOPECTINIDAE) (FOSSIL)
- franta, Copenychia franta Kriz 2005 † - (CARDIOLIDAE) (FOSSIL)
- franta, Copenychia franta Kríž, 2005 † - (CARDIOLIDAE) (FOSSIL)
- frantzi, Ammonites frantzi Reynes, 1868 † - (AMMONITIDA (UNASSIGNED)) (FOSSIL)
- frantzi, Pseudomercaticeras frantzi Reynes, 1868 † - (PHYMATOCERATIDAE) (FOSSIL)
- franzhuberi, Amphidromus franzhuberi Thach, 2016 - (CAMAENIDAE)
- franzhuberi, Spiraculum franzhuberi (N.N. Thach, 2017) - (CYCLOPHORIDAE)
- franzi, Nenisca franzi F.G. Thompson, 1998 - (CLAUSILIIDAE)
- franzi, Zilchogyra franzi W.K. Weyrauch, 1965 - (HELICODISCIDAE)
- franzi, Dasyscias franzi F.G. Thompson & R. Hershler, 1991 - (HYDROBIIDAE)
- Franzia, syn of: Genus Truncatellina R.T. Lowe, 1852 (VERTIGINIDAE)
- Franziceras, Genus Franziceras Buckman , 1923 † (PSILOCERATIDAE) (FOSSIL)
- franziskae, Putzeysia franziskae W. Engl & E. Rolán, 2009 - (CALLIOTROPIDAE)
- franziskae, Triviella franziskae D. Fehse & W. Massier, 2000 - (TRIVIIDAE)
- franziusi, Lyrodus franziusi G.F. Roch, 1929 - syn of: Lyrodus pedicellatus (J.L.A. Quatrefages, 1849) - (TEREDINIDAE)
- fraseri, Sphaerospira fraseri (E. Griffith & E. Pidgeon, 1833) - (CAMAENIDAE)
- fraseri, Maoricardium fraseri T.A. Garrard, 1963 - (CARDIIDAE)
- fraseri, Cerithiopsis fraseri P. Bartsch, 1921 - (CERITHIOPSIDAE)
- fraseri, Gadila fraseri M. Nicklés, 1955 - (GADILIDAE)
- fraseri, Helix fraseri E. Griffith & E. Pidgeon, 1833 - syn of: Sphaerospira fraseri (E. Griffith & E. Pidgeon, 1833) - (HELICIDAE)
- fraseri, Bourciera fraseri L. Pfeiffer, 1859 - (HELICINIDAE)
- fraseri, Littorina fraseri L.A. Reeve, 1857 - syn of: Littoraria intermedia (R.A. Philippi, 1846) - (LITTORINIDAE)
- fraseri, Pagodula fraseri (J. Knudsen, 1956) - (MURICIDAE)
- fraseri, Ocenebra fraseri I.M. Oldroyd, 1920 - syn of: Ocinebrina interfossa (P.P. Carpenter, 1864) - (MURICIDAE)
- fraseri, Neritina fraseri L.A. Reeve, 1855 - syn of: Nerita senegalensis J.F. Gmelin, 1791 - (NERITIDAE)
- fraseri, Sultana fraseri L. Pfeiffer, 1858 - (ORTHALICIDAE)
- fraseri feriarum, Sphaerospira fraseri feriarum T. Iredale, 1937 - syn of: Sphaerospira fraseri (E. Griffith & E. Pidgeon, 1833) - (CAMAENIDAE)
- fraseri flavescens, Helix fraseri flavescens C. Hedley, 1888 - syn of: Sphaerospira fraseri (E. Griffith & E. Pidgeon, 1833) - (HELICIDAE)
- fraseri permuta, Sphaerospira fraseri permuta T. Iredale, 1937 - syn of: Sphaerospira fraseri (E. Griffith & E. Pidgeon, 1833) - (CAMAENIDAE)
- fraserorum, Marginella fraserorum A. Aiken, 2014 - (MARGINELLIDAE)
- frassineiana, Chondrina megacheilos frassineiana G. Nardi, 2009 - (CHONDRINIDAE)
- frassinettii, Pseudozonaria frassinettii Groves & C. Nielsen, 2003 † - (CYPRAEIDAE) (FOSSIL)
- frassinettii, Chorus frassinettii DeVries, 1997 † - (MURICIDAE) (FOSSIL)
- frater, Omphalosagda frater Kadolsky, 1989 † - (ARCHAEOZONITIDAE) (FOSSIL)
- frater, Helicostyla frater (A.E.J. Férussac, 1821) - (BRADYBAENIDAE)
- frater, Neptunea frater (H.A. Pilsbry, 1901) - (BUCCINIDAE)
- frater, Chrysodomus frater H.A. Pilsbry, 1901 - syn of: Neptunea frater (H.A. Pilsbry, 1901) - (BUCCINIDAE)
- frater, Conocardium frater Whidborne, 1896 † - (CONOCARDIIDAE) (FOSSIL)
- frater, Amandana frater (W.L.H. Dohrn & D.F. Heynemann, 1862) - (HYGROMIIDAE)
- frater, Sellinema frater J. Perner, 1903 † - (SINUOPEIDAE) (FOSSIL)
- frater, Yoldia frater W.H. Dall, 1898 † - (YOLDIIDAE) (FOSSIL)
- frater kuroshio, Neptunea frater kuroshio K. Oyama, 1958 - syn of: Neptunea kuroshio K. Oyama in T. Kira, 1959 - (BUCCINIDAE)
- frater newka, Amandana frater newka (W.L.H. Dohrn & D.F. Heynemann, 1862) - (HYGROMIIDAE)
- frater pollenzensis, Amandana frater pollenzensis (J.G. Hidalgo, 1878) - (HYGROMIIDAE)
- frater pulaensis, Amandana frater pulaensis J. Beckmann, 2007 - (HYGROMIIDAE)
- Fraterconus, Genus Fraterconus J.K. Tucker & M.J. Tenorio, 2013 (CONIDAE)
- fratercula, Cochliopina fratercula J.P.E. Morrison, 1946 - (COCHLIOPIDAE)
- fratercula, Pyrene fratercula M. Yokoyama, 1926 † - (COLUMBELLIDAE) (FOSSIL)
- fratercula, Pusia fratercula A. Garrett, 1873 - syn of: Vexillum unifasciale (J.B.P.A. Lamarck, 1811) - (COSTELLARIIDAE)
- fratercula, Libera fratercula (W.H. Pease, 1867) - (ENDODONTIDAE)
- fratercula, Chondrothyretes reticulata fratercula (C. de la Torre & P. Bartsch, 1938) - (POMATIIDAE)
- fratercula, Rissoina fratercula W.J. Sleurs & R.C. Preece, 1994 - (RISSOINIDAE)
- fraterculatus, Prunum fraterculatus E.A. Smith, 1915 - syn of: Prunum martini (S.A.A. Petit De La Saussaye, 1853) - (MARGINELLIDAE)
- fraterculus, Bequaertina fraterculus (C. Dupuis & S. Putzeys, 1900) - (ACHATINIDAE)
- fraterculus, Acteon fraterculus R.W. Dunker, 1882 - syn of: Pupa affinis (A. Adams, 1855) - (ACTEONIDAE)
- fraterculus, Placostylus fraterculus B. Rensch, 1934 - (BOTHRIEMBRYONTIDAE)
- fraterculus, Buccinum fraterculus R.W. Dunker, 1871 - syn of: Sassia bassi (G.F. Angas, 1869) - (BUCCINIDAE)
- fraterculus, Bulimulus diaphanus fraterculus V.L.V. Potiez & A. Michaud, 1835 - (BULIMULIDAE)
- fraterculus, Nemocardium fraterculus (G.P. Deshayes, 1858 †) - (CARDIIDAE) (FOSSIL)
- fraterculus, Ctenodonta fraterculus Talent, 1963 † - (CTENODONTIDAE) (FOSSIL)
- fraterculus, Catapyrgus fraterculus M. Haase, 2008 - (HYDROBIIDAE)
- fraterculus, Prunum fraterculus E.A. Smith, 1915 - syn of: Prunum martini (S.A.A. Petit De La Saussaye, 1853) - (MARGINELLIDAE)
- fraterculus, Flexopteron foliacea fraterculus (G.P. Deshayes, 1865) - (MURICIDAE)
- fraterculus, Nassarius fraterculus (R.W. Dunker, 1860) - (NASSARIIDAE)
- fraterculus, Pecten fraterculus Sowerby in Smith, 1841 - (PECTINIDAE)
- fraterculus, Funa fraterculus R.N. Kilburn, 1988 - (PSEUDOMELATOMIDAE)
- fraterculus, Ennea fraterculus H.A. Pilsbry, 1919 - (STREPTAXIDAE)
- fraterculus, Phorculus fraterculus (G.P. Deshayes, 1863 †) - (TROCHIDAE) (FOSSIL)
- fraterculus, Jujubinus striatus fraterculus (T.A. de M. Monterosato, 1879) - (TROCHIDAE)
- fraterculus hiradoensis, Nassarius fraterculus hiradoensis H.A. Pilsbry, 1904 - (NASSARIIDAE)
- fraterculus hizenensis, Nassarius fraterculus hizenensis H.A. Pilsbry, 1904 - (NASSARIIDAE)
- fraterculus hypolius, Nassarius fraterculus hypolius (H.A. Pilsbry, 1895) - (NASSARIIDAE)
- fratermajor, Symptychiella fratermajor H. Nordsieck, 2010 - (CLAUSILIIDAE)
- fratermayor, Symptychia fratermayor H. Nordsieck, 2010 - syn of: Symptychiella fratermajor H. Nordsieck, 2010 - (CLAUSILIIDAE)
- fraterminor, Synprosphyma fraterminor (P.V. Gredler, 1892) - (CLAUSILIIDAE)
- fraterminor, Parachondria avena fraterminor H.A. Pilsbry & A.P. Brown, 1910 - (POMATIIDAE)
- fraterna, Amastra fraterna E.R. Sykes, 1896 - (AMASTRIDAE)
- fraterna, Separatista fraterna T. Iredale, 1936 - syn of: Separatista helicoides (J.F. Gmelin, 1791) - (CAPULIDAE)
- fraterna, Kaliella fraterna H.A. Pilsbry, 1900 - syn of: Trochochlamys fraterna (H.A. Pilsbry, 1900) - (CHRONIDAE)
- fraterna, Cuspidaria fraterna A.E. Verrill & K.J. Bush, 1898 - (CUSPIDARIIDAE)
- fraterna, Cyrtorostra fraterna (Reed, 1944 †) - (DELTOPECTINIDAE) (FOSSIL)
- fraterna, Blanfordinia fraterna Reed, 1944 † - syn of: Cyrtorostra fraterna (Reed, 1944 †) - (DELTOPECTINIDAE) (FOSSIL)
- fraterna, Gryphaea planoconvexa fraterna Imlay, 1967 † - (GRYPHAEIDAE) (FOSSIL)
- fraterna, Trochochlamys fraterna (H.A. Pilsbry, 1900) - (HELICARIONIDAE)
- fraterna, Cincinnatia fraterna (F.G. Thompson, 1968) - (HYDROBIIDAE)
- fraterna, Catazone fraterna J. Perner, 1907 † - syn of: Catazone apate J. Perner, 1907 † - (MURCHISONIIDAE) (FOSSIL)
- fraterna, Turbonitella fraterna J. Perner, 1903 † - (NERITOPSIDAE) (FOSSIL)
- fraterna, Elimia cahawbensis fraterna I. Lea, 1864 - (PLEUROCERIDAE)
- fraterna, Turbonilla fraterna J.C. Melvill, 1910 - (PYRAMIDELLIDAE)
- fraterna, Elliptio fraterna (I. Lea, 1852) - (UNIONIDAE)
- fraterna, Capillacea capillacea fraterna (H.A. Pilsbry, 1903) - (UROCOPTIDAE)
- fraterna, Yoldiella fraterna Verrill & K.J. Bush, 1898 - syn of: Yoldiella nana (Sars, 1865) - (YOLDIIDAE)
- fraterna, Yoldiella fraterna A.E. Verrill & K.J. Bush, 1898 - syn of: Yoldiella nana (Sars, 1865) - (YOLDIIDAE)
- fraterna takahashii, Trochochlamys fraterna takahashii J.T. Kuroda, 1963 - (HELICARIONIDAE)
- fraternalis, Nannodiella fraternalis W.H. Dall, 1919 - (CLATHURELLIDAE)
- fraternum, Cardium fraternum C. Mayer, 1864 † - (CARDIIDAE) (FOSSIL)
- fraternum, Cerion eximium fraternum H.A. Pilsbry, 1902 - (CERIONIDAE)
- fraternum, Plectostoma fraternum (E.A. Smith, 1905) - (DIPLOMMATINIDAE)
- fraternum, Eunema fraternum J. Perner, 1903 † - syn of: Globonema fraternum (J. Perner, 1903 †) - (LOPHOSPIRIDAE) (FOSSIL)
- fraternum, Euchemotrema fraternum (T. Say, 1824) - (POLYGYRIDAE)
- fraternum, Globonema fraternum (J. Perner, 1903 †) - (TROCHONEMATIDAE) (FOSSIL)
- fraternus, Bellerophon fraternus Billings, 1866 † - (BELLEROPHONTIDAE) (FOSSIL)
- fraternus, Glossus fraternus T. Say, 1824 † - (GLOSSIDAE) (FOSSIL)
- fraternus, Helicarion fraternus T. Iredale, 1945 - (HELICARIONIDAE)
- fraternus, Ischnochiton fraternus K.H.J. Thiele, 1909 - (ISCHNOCHITONIDAE)
- fraternus, Plectonotus fraternus Reed, 1908 † - syn of: Plectonotus derbyi (A.H. Clarke, 1899 †) - (PLECTONOTIDAE) (FOSSIL)
- fratrummonsecourorum, Angaria fratrummonsecourorum A. Günther, 2013 - (ANGARIIDAE)
- fratula, Limifossor fratula H. Heath, 1911 - (LIMIFOSSORIDAE)
- fraudator, Vexillum fraudator H. Turner, S. Gori & R. Salisbury, 2007 - (COSTELLARIIDAE)
- fraudator, Latirulus fraudator P.A. Maxwell, 1992 † - (FASCIOLARIIDAE) (FOSSIL)
- fraudator, Nassarius fraudator W.O. Cernohorsky, 1980 - (NASSARIIDAE)
- fraudator, Inquisitor fraudator (Finlay & J. Marwick, 1937 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- fraudatrix, Velutina fraudatrix A.N. Golikov & O.V. Kussakin, 1962 - syn of: Velutina tarasovi K.M. Derjugin, 1950 - (VELUTINIDAE)
- fraudigera, Bulgarica fraudigera (E.A. Rossmässler, 1839) - (CLAUSILIIDAE)
- fraudulenta, Naninia fraudulenta (E.A. Smith) - (ARIOPHANTIDAE)
- fraudulenta, Horologica fraudulenta A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- fraudulenta, Alaginella fraudulenta (H.H. Suter, 1917 †) - (MARGINELLIDAE) (FOSSIL)
- fraudulenta, Nassa fraudulenta F.P. Marrat, 1877 - syn of: Nassarius fraudulentus (F.P. Marrat, 1877) - (NASSARIIDAE)
- fraudulenta, Triodopsis fraudulenta (H.A. Pilsbry, 1894) - (POLYGYRIDAE)
- fraudulenta, Rectoclymenia fraudulenta Nikolaeva & Ivanovich, 2005 † - (RECTOCLYMENIIDAE) (FOSSIL)
- fraudulenta, Rissoa fraudulenta J.C. Melvill & R. Standen, 1907 - syn of: Onoba grisea (E.C. Von Martens, 1885) - (RISSOIDAE)
- fraudulenta, Rissoa fraudulenta E.A. Smith, 1907 - syn of: Onoba turqueti (É. Lamy, 1905) - (RISSOIDAE)
- fraudulentus, Nassarius fraudulentus (F.P. Marrat, 1877) - (NASSARIIDAE)
- frauenfeldi, Pisinna frauenfeldi (G.R. von Frauenfeld, 1867) - (ANABATHRIDAE)
- frauenfeldi, Pisinna frauenfeldi C.F. Laseron, 1950 - syn of: Pisinna albizona (C.F. Laseron, 1950) - (ANABATHRIDAE)
- frauenfeldi, Macedonica frauenfeldi (E.A. Rossmässler, 1856) - (CLAUSILIIDAE)
- frauenfeldi, Conus frauenfeldi J.C.H. Crosse, 1865 - syn of: Pionoconus magus (C. Linnaeus, 1758) - (CONIDAE)
- frauenfeldi, Hydrobia frauenfeldi (M. Hörnes, 1856 †) - (HYDROBIIDAE) (FOSSIL)
- frauenfeldi, Caspia frauenfeldi (M. Hörnes, 1856 †) - (HYDROBIIDAE) (FOSSIL)
- frauenfeldi, Paludina frauenfeldi G.P. Deshayes, 1875 - (VIVIPARIDAE)
- frauenfeldi bohemica, Hydrobia frauenfeldi bohemica Procházka, 1900 † - (HYDROBIIDAE) (FOSSIL)
- frauenfeldi moellendorffii, Macedonica frauenfeldi moellendorffii (P.S. Pavlovic, 1912) - (CLAUSILIIDAE)
- frauenfeldi occidentalis, Macedonica frauenfeldi occidentalis S.G.A. Jaeckel, 1954 - (CLAUSILIIDAE)
- frauenfeldi pavloviciana, Macedonica frauenfeldi pavloviciana (J. Urbanski, 1973) - (CLAUSILIIDAE)
- frauenfeldi regia, Macedonica frauenfeldi regia H. Nordsieck, 1974 - (CLAUSILIIDAE)
- frauenfeldi riedeli, Macedonica frauenfeldi riedeli J. Urbanski, 1960 - (CLAUSILIIDAE)
- frauenfeldi sigma, Macedonica frauenfeldi sigma (C.A. Westerlund, 1884) - (CLAUSILIIDAE)
- frauenfeldi suturata, Hydrobia frauenfeldi suturata (A. Fuchs, 1873 †) - (HYDROBIIDAE) (FOSSIL)
- frauenfeldi tau, Macedonica frauenfeldi tau H. Nordsieck, 1977 - (CLAUSILIIDAE)
- frauenfeldi transiens, Macedonica frauenfeldi transiens (O.F. von Möllendorff, 1873) - (CLAUSILIIDAE)
- Frauenfeldia, syn of: Genus Belgrandiella A. Wagner, 1927 (HYDROBIIDAE)
- frauenfeldiana, Rissoa frauenfeldiana Š. Brusina, 1868 - (RISSOIDAE)
- frauenfeldiana aurantia, Rissoa frauenfeldiana aurantia F. Nordsieck, 1972 - (RISSOIDAE)
- frauenfeldii, Zospeum frauenfeldii (C. Freyer, 1855) - (ELLOBIIDAE)
- frauenfeldii osolei, Zospeum frauenfeldii osolei R. Slapnik, 1994 - (ELLOBIIDAE)
- fraunfeldiana, Rissoa fraunfeldiana Š. Brusina, 1868 - syn of: Rissoa frauenfeldiana Š. Brusina, 1868 - (RISSOIDAE)
- fraus, Diplodon fraus H.F.A. von Ihering, 1907 - syn of: Diplodon parallelopipedon (I. Lea, 1834) - (HYRIIDAE)
- fraussenae, Amphidromus fraussenae Thach & F. Huber, 2017 - (CAMAENIDAE)
- frausseni, Metula frausseni L. Bozzetti, 1995 - (BUCCINIDAE)
- frausseni, Buccinum frausseni D.O. Alexeyev & A.V. Gornichnykh, 2009 - (BUCCINIDAE)
- frausseni, Engina frausseni M. Chino, 2015 - (BUCCINIDAE)
- frausseni, Profundiconus frausseni M.J. Tenorio & G.T. Poppe, 2004 - (CONIDAE)
- frausseni, Tomlinia frausseni N.N. Thach, 2014 - (NASSARIIDAE)
- frausseni, Pristiterebra frausseni G.T. Poppe, S.P. Tagaro & Y. Terryn, 2009 - (TEREBRIDAE)
- frausseni gracilis, Buccinum frausseni gracilis D.O. Alexeyev & A.V. Gornichnykh, 2009 - (BUCCINIDAE)
- fraxineus, Conus fraxineus P.F. Röding, 1798 - syn of: Dendroconus glaucus (C. Linnaeus, 1758) - (CONIDAE)
- frayedus, Octopus frayedus C.S. Rafinesque, 1814 - syn of: Callistoctopus macropus (A. Risso, 1826) - (OCTOPODIDAE)
- frayssii, Anodonta frayssii E. Réquien - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- frazerensis, Cymbiola complexa frazerensis P. Bail & A. Limpus, 1998 - (VOLUTIDAE)
- frazeri, Struthiolaria frazeri F.W. Hutton, 1885 - (STRUTHIOLARIIDAE)
- frazierensis, Trochactaeon frazierensis Anderson, 1958 † - (ACTEONELLIDAE) (FOSSIL)
- frazzinii, Volvarina frazzinii T. Cossignani, 2006 - (MARGINELLIDAE)
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