- flucki, Drillia flucki A.P. Brown & H.A. Pilsbry, 1913 - syn of: Pilsbryspira flucki (J. Brown & H.A. Pilsbry, 1913) - (DRILLIIDAE)
- flucki, Diplodon flucki J.P.E. Morrison, 1943 - (HYRIIDAE)
- flucki, Anodontites flucki B. Walker, 1924 - syn of: Anodontites trapesialis (J.B.P.A. Lamarck, 1818) - (MYCETOPODIDAE)
- flucki, Pilsbryspira flucki (J. Brown & H.A. Pilsbry, 1913) - (PSEUDOMELATOMIDAE)
- flucki, Sphenonaias flucki (P. Bartsch, 1906) - (UNIONIDAE)
- flucticulus, Agladrillia flucticulus J.H. McLean & L.H. Poorman, 1971 - (DRILLIIDAE)
- flucticulus, Teschenites flucticulus Thieuloy, 1977 † - (NEOCOMITIDAE) (FOSSIL)
- fluctifer, Conus fluctifer L.W. Dillwyn, 1817 - syn of: Kalloconus pulcher (J. Lightfoot, 1786) - (CONIDAE)
- fluctifraga, Doto fluctifraga J.A. Ortea & A.M. Pérez, 1982 - (DOTIDAE)
- fluctifraga, Chionista fluctifraga (G.B. II Sowerby, 1853) - (VENERIDAE)
- fluctifraga, Venus fluctifraga G.B. II Sowerby, 1853 - syn of: Chionista fluctifraga (G.B. II Sowerby, 1853) - (VENERIDAE)
- fluctifraga cortezi, Chionista fluctifraga cortezi (P.P. Carpenter, 1864) - (VENERIDAE)
- Fluctiger, Genus Fluctiger T. Iredale, 1924 (CRASSATELLIDAE)
- fluctiger, Diplodon fluctiger (I. Lea, 1859) - (HYRIIDAE)
- fluctiger, Ostrea fluctiger F.P. Jousseaume in É. Lamy, 1925 - syn of: Nanostrea fluctigera (F.P. Jousseaume in É. Lamy, 1925) - (OSTREIDAE)
- fluctigera, Nanostrea fluctigera (F.P. Jousseaume in É. Lamy, 1925) - (OSTREIDAE)
- fluctivaga, Lucinisca fluctivaga C.J. Maury, 1924 † - (LUCINIDAE) (FOSSIL)
- Fluctogyra, Genus Fluctogyra Vialov, 1936 † (GRYPHAEIDAE) (FOSSIL)
- fluctuans, Bistolida fluctuans W.R. Steadman & B.C. Cotton, 1943 - syn of: Bistolida stolida crossei (É. Marie, 1869) - (CYPRAEIDAE)
- fluctuans, Bistolida brevidentata fluctuans (T. Iredale, 1935) - (CYPRAEIDAE)
- fluctuata, Cernina fluctuata (G.B. I Sowerby, 1825) - (AMPULLINIDAE)
- fluctuata, Globularia fluctuata G.B. I Sowerby, 1825 - syn of: Cernina fluctuata (G.B. I Sowerby, 1825) - (AMPULLINIDAE)
- fluctuata, Astarte fluctuata P.P. Carpenter, 1864 - syn of: Eucrassatella fluctuata (Carpenter, 1864) - (ASTARTIDAE)
- fluctuata, Argalista fluctuata (F.W. Hutton, 1883) - (COLLONIIDAE)
- fluctuata, Leptothyra fluctuata F.W. Hutton, 1883 - syn of: Argalista fluctuata (F.W. Hutton, 1883) - (COLLONIIDAE)
- fluctuata, Anachis fluctuata (G.B. I Sowerby, 1832) - (COLUMBELLIDAE)
- fluctuata, Costoanachis fluctuata G.B. I Sowerby, 1832 - syn of: Anachis fluctuata (G.B. I Sowerby, 1832) - (COLUMBELLIDAE)
- fluctuata, Columbella fluctuata G.B. I Sowerby, 1832 - syn of: Anachis fluctuata (G.B. I Sowerby, 1832) - (COLUMBELLIDAE)
- fluctuata, Eucrassatella fluctuata (Carpenter, 1864) - (CRASSATELLIDAE)
- fluctuata, Canalispira fluctuata T. McCleery & A. Wakefield, 2007 - (CYSTISCIDAE)
- fluctuata, Gibberula fluctuata (C.B. Adams, 1850) - (CYSTISCIDAE)
- fluctuata, Persicula fluctuata C.B. Adams, 1850 - syn of: Gibberula fluctuata (C.B. Adams, 1850) - (CYSTISCIDAE)
- fluctuata, Helix fluctuata C.B. Adams, 1849 - syn of: Pleurodonte chemnitzianum (L. Pfeiffer, 1846) - (HELICIDAE)
- fluctuata nakamurai, Cernina fluctuata nakamurai Y. Otuka, 1938 - (AMPULLINIDAE)
- fluctuatum, Cyclostrema fluctuatum F.W. Hutton, 1883 - syn of: Argalista fluctuata (F.W. Hutton, 1883) - (LIOTIIDAE)
- fluctuatum, Orthoceras fluctuatum Salter † - (ORTHOCERATIDAE) (FOSSIL)
- fluctuatum, Cyclonema bilix fluctuatum (T.A. Conrad, 1842 †) - (PLATYCERATIDAE) (FOSSIL)
- fluctuatus, Drymaeus fluctuatus (H.H. Beck, 1837) - (BULIMULIDAE)
- fluctuatus, Delectopecten fluctuatus (A.R.J.B. Bavay, 1905) - (PECTINIDAE)
- fluctuatus, Chlamys fluctuatus A.R.J.B. Bavay, 1905 - syn of: Delectopecten fluctuatus (A.R.J.B. Bavay, 1905) - (PECTINIDAE)
- fluctuatus, Ciclopecten fluctuatus A.R.J.B. Bavay, 1905 - syn of: Delectopecten fluctuatus (A.R.J.B. Bavay, 1905) - (PECTINIDAE)
- fluctuatus, Cyclopecten fluctuatus A.R.J.B. Bavay, 1905 - syn of: Delectopecten fluctuatus (A.R.J.B. Bavay, 1905) - (PROPEAMUSSIIDAE)
- fluctuatus, Turbo fluctuatus L.A. Reeve, 1848 - syn of: Turbo fluctuosus W. Wood, 1828 - (TURBINIDAE)
- fluctuatus, Pitar fluctuatus (G.B. II Sowerby, 1851) - (VENERIDAE)
- fluctuatus lituratus, Drymaeus fluctuatus lituratus (H.H. Beck, 1837) - (BULIMULIDAE)
- fluctuosa, Euplecta fluctuosa (W.T. Blanford, 1901) - (ARIOPHANTIDAE)
- fluctuosa, Typhlomangelia fluctuosa (R.B. Watson, 1881) - (BORSONIIDAE)
- fluctuosa, Crepipatella fluctuosa Is. Taki, 1938 - syn of: Crepipatella dorsata (W.J. Broderip, 1834) - (CALYPTRAEIDAE)
- fluctuosa, Chilina fluctuosa J.E. Gray, 1828 - syn of: Chilina ovalis G.B. I Sowerby, 1841 - (CHILINIDAE)
- fluctuosa, Columbella fluctuosa P.L. Duclos, 1846 - syn of: Anachis fluctuata (G.B. I Sowerby, 1832) - (COLUMBELLIDAE)
- fluctuosa, Anachis fluctuosa P.L. Duclos, 1846 - syn of: Anachis fluctuata (G.B. I Sowerby, 1832) - (COLUMBELLIDAE)
- fluctuosa, Myonera fluctuosa J.T. Kuroda, 1948 - syn of: Rengea caduca (E.A. Smith, 1894) - (CUSPIDARIIDAE)
- fluctuosa, Rengea fluctuosa J.T. Kuroda, 1948 - syn of: Rengea caduca (E.A. Smith, 1894) - (CUSPIDARIIDAE)
- fluctuosa, Auricula fluctuosa J.E. Gray, 1828 - syn of: Chilina ovalis G.B. I Sowerby, 1841 - (ELLOBIIDAE)
- fluctuosa, Helix fluctuosa R.T. Lowe, 1852 - syn of: Leptaxis chrysomela fluctuosa R.T. Lowe, 1852 - (HELICIDAE)
- fluctuosa, Leptaxis chrysomela fluctuosa R.T. Lowe, 1852 - (HYGROMIIDAE)
- fluctuosa, Cancilla fluctuosa M. Herrmann & R. Salisbury, 2013 - (MITRIDAE)
- fluctuosa, Myadora fluctuosa A.A. Gould, 1861 - (MYOCHAMIDAE)
- fluctuosa, Zeacuminia fluctuosa C.R. Laws, 1941 † - (TEREBRIDAE) (FOSSIL)
- fluctuosa, Pleurofusia fluctuosa G.F. Harris, 1937 † - (TURRIDAE) (FOSSIL)
- fluctuosa, Pleurotoma fluctuosa R.B. Watson, 1881 - syn of: Typhlomangelia fluctuosa (R.B. Watson, 1881) - (TURRIDAE)
- fluctuosa, Liocyma fluctuosa (A.A. Gould, 1841) - (VENERIDAE)
- fluctuosa brunnea, Liocyma fluctuosa brunnea W.H. Dall, 1902 - syn of: Liocyma fluctuosa (A.A. Gould, 1841) - (VENERIDAE)
- fluctuosa ovalis, Chilina fluctuosa ovalis G.B. I Sowerby, 1841 - syn of: Chilina ovalis G.B. I Sowerby, 1841 - (CHILINIDAE)
- fluctuosa praefluctuosa, Liocyma fluctuosa praefluctuosa Krishtofovich, 1968 † - syn of: Liocyma fluctuosa (A.A. Gould, 1841) - (VENERIDAE) (FOSSIL)
- fluctuosa semilaevis, Liocyma fluctuosa semilaevis O.A. Scarlato † - syn of: Liocyma fluctuosa (A.A. Gould, 1841) - (VENERIDAE) (FOSSIL)
- fluctuosa subfluctuosa, Liocyma fluctuosa subfluctuosa Khomenko, 1931 - syn of: Liocyma fluctuosa (A.A. Gould, 1841) - (VENERIDAE)
- fluctuosus, Murex fluctuosus E. Forbes, 1846 - (MURICIDAE)
- fluctuosus, Binatisphinctes fluctuosus (Pratt) † - (PERISPHINCTIDAE) (FOSSIL)
- fluctuosus, Cyclopecten fluctuosus H.H. Dijkstra & B.A. Marshall, 2008 - (PROPEAMUSSIIDAE)
- fluctuosus, Turbo fluctuosus W. Wood, 1828 - (TURBINIDAE)
- fluctusculpturata, Bornia fluctusculpturata C.J. Maury † - syn of: Periploma ariei Gürs, 1996 † - (KELLIIDAE) (FOSSIL)
- fluctusculpturata, Temblornia fluctusculpturata (C.J. Maury, 1910 †) - (LASAEIDAE) (FOSSIL)
- fluehmanni, Trigonia fluehmanni R.A. Philippi, 1899 † - (TRIGONIIDAE) (FOSSIL)
- Fluella, Subgenus Astyris (Fluella) W.H. Dall, 1924 (COLUMBELLIDAE)
- fluens, Pleydellia fluens Buckman † - (HILDOCERATIDAE) (FOSSIL)
- fluentisona, Manaria fluentisona Fraussen & Stahlschmidt, 2016 - (BUCCINIDAE)
- fluitans, Freboldia fluitans A. Nützel & D.H. Schneider, 2016 † - (BELLEROPHONTIDAE) (FOSSIL)
- fluitans, Corbicula fluitans P.M. Heude, 1887 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- fluitans, Pleydellia fluitans Dumortier, 1874 † - (HILDOCERATIDAE) (FOSSIL)
- flumenvadosa, Parvilucina flumenvadosa (Gardner, 1926 †) - (LUCINIDAE) (FOSSIL)
- flumenvadum, Calliostoma flumenvadum J. Gardner, 1937 † - (CALLIOSTOMATIDAE) (FOSSIL)
- fluminalis, Corbicula fluminalis (O.F. Müller, 1774) - (CYRENIDAE)
- fluminalis, Corbicula fluminalis C.F. Jickeli, 1874 - syn of: Corbicula fluminalis (O.F. Müller, 1774) - (CYRENIDAE)
- fluminalis, Lignopholas fluminalis (W.T. Blanford, 1867) - (PHOLADIDAE)
- fluminalis, Tellina fluminalis O.F. Müller, 1774 - syn of: Corbicula fluminalis (O.F. Müller, 1774) - (TELLINIDAE)
- fluminalis, Cipangopaludina fluminalis (P.M. Heude, 1890) - (VIVIPARIDAE)
- fluminalis extrema, Corbicula fluminalis extrema W.A. Lindholm, 1929 - syn of: Corbicula japonica T. Prime, 1864 - (CYRENIDAE)
- fluminalis holstiana, Corbicula fluminalis holstiana H.A. Schlesch, 1908 - syn of: Corbicula striatella G.P. Deshayes, 1854 - (CYRENIDAE)
- fluminalis minor, Corbicula fluminalis minor W. Kobelt, 1897 - syn of: Corbicula consobrina (F. Cailliaud, 1827) - (CYRENIDAE)
- fluminalis pusilla, Corbicula fluminalis pusilla G. Bacci, 1951 - syn of: Corbicula fluminalis (O.F. Müller, 1774) - (CYRENIDAE)
- fluminea, Chilina fluminea (W.G. Maton, 1811) - (CHILINIDAE)
- fluminea, Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- fluminea, Madagasikara fluminea (J.F. Gmelin, 1767) - (PACHYCHILIDAE)
- fluminea, Pirena fluminea L.A. Reeve, 1859 - syn of: Madagasikara spinosa (J.B.P.A. Lamarck, 1819) - (PACHYCHILIDAE)
- fluminea, Anemina fluminea (P.M. Heude, 1877) - (UNIONIDAE)
- fluminea, Venus fluminea P.F. Röding, 1798 - syn of: Galatea paradoxa (I. von Born, 1780) - (VENERIDAE)
- fluminea, Voluta fluminea W.G. Maton, 1811 - syn of: Chilina fluminea (W.G. Maton, 1811) - (VOLUTIDAE)
- fluminea microdon, Chilina fluminea microdon H.A. Pilsbry, 1911 - (CHILINIDAE)
- fluminea sujfunensis, Corbicula fluminea sujfunensis A.N. Golikov & O.A. Scarlato, 1967 - syn of: Corbicula finitima (W.A. Lindholm, 1927) - (CYRENIDAE)
- fluminense, Orthoceras fluminense (Meneghini, 1857 †) - (ORTHOCERATIDAE) (FOSSIL)
- fluminense, Orthocycloceras fluminense Meneghini, 1857 † - syn of: Orthoceras fluminense (Meneghini, 1857 †) - (ORTHOCERATIDAE) (FOSSIL)
- fluminensis, Sadleriana fluminensis (H.C. Küster, 1853) - (HYDROBIIDAE)
- fluminensis, Nisiturris fluminensis (A. Pimenta & R.S. Absalão, 2004) - (PYRAMIDELLIDAE)
- fluminese, Arionoceras fluminese (Meneghini, 1857 †) - (ARIONOCERATIDAE) (FOSSIL)
- fluminese, Orthoceras fluminese Meneghini, 1857 † - syn of: Arionoceras fluminese (Meneghini, 1857 †) - (ORTHOCERATIDAE) (FOSSIL)
- fluminese, Orthocycloceras fluminese Meneghini, 1857 † - syn of: Arionoceras fluminese (Meneghini, 1857 †) - (ORTHOCERATIDAE) (FOSSIL)
- Fluminicola, Genus Fluminicola W. Stimpson, 1865 (LITHOGLYPHIDAE)
- Fluminina, syn of: Genus Pisidium L. Pfeiffer, 1821 (SPHAERIIDAE)
- fluminisagni, Sauvagesia fluminisagni Chubb, 1956 † - syn of: Radiolites macroplicatus R.P. Whitfield, 1987 † - (RADIOLITIDAE) (FOSSIL)
- fluvialis, Io fluvialis (T. Say, 1825) - (PLEUROCERIDAE)
- fluvialis, Semisulcospira fluvialis H. Watanabe & Nishino - (SEMISULCOSPIRIDAE)
- fluviamariana, Fissurella fluviamariana E.J. Petuch, 1988 † - (FISSURELLIDAE) (FOSSIL)
- fluviamaris, Conasprella fluviamaris (E.J. Petuch & D.M. Sargent, 2011) - (CONIDAE)
- fluviamaris, Jaspidiconus fluviamaris E.J. Petuch & D.M. Sargent, 2011 - syn of: Conasprella fluviamaris (E.J. Petuch & D.M. Sargent, 2011) - (CONIDAE)
- fluviana, Diodora fluviana (W.H. Dall, 1889) - (FISSURELLIDAE)
- fluviana, Pterorytis fluviana (W.H. Dall, 1903 †) - (MURICIDAE) (FOSSIL)
- fluviatica, Anodonta fluviatica O.W. Von Rosen, 1905 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- fluviatile, Faunus fluviatile A.E.J. Férussac, 1807 - syn of: Faunus ater (C. Linnaeus, 1758) - (PACHYCHILIDAE)
- fluviatilis, Cerastoderma edule fluviatilis T. Brown, 1844 - (CARDIIDAE)
- fluviatilis, Chilina fluviatilis (A.V.M.D. D'Orbigny, 1845) - (CHILINIDAE)
- fluviatilis, Anticorbula fluviatilis (A. Adams, 1860) - (CORBULIDAE)
- fluviatilis, Cyrena fluviatilis R.A. Philippi, 1846 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- fluviatilis, Corbicula fluviatilis O.F. Müller, 1774 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- fluviatilis, Dreissena fluviatilis Sander, 1780 - syn of: Dreissena polymorpha (P.S. Pallas, 1771) - (DREISSENIDAE)
- fluviatilis, Ellobium fluviatilis R.P. Lesson, 1830 - syn of: Chilina dombeiana (J.G. Bruguière, 1789) - (ELLOBIIDAE)
- fluviatilis, Vinodolia fluviatilis P. Radoman, 1973 - (HYDROBIIDAE)
- fluviatilis, Potamacmaea fluviatilis (H.F. Blanford, 1867) - (LOTTIIDAE)
- fluviatilis, Tectura fluviatilis H.F. Blanford, 1867 - syn of: Potamacmaea fluviatilis (H.F. Blanford, 1867) - (LOTTIIDAE)
- fluviatilis, Ostomya fluviatilis A. Adams, 1860 - syn of: Anticorbula fluviatilis (A. Adams, 1860) - (LYONSIIDAE)
- fluviatilis, Spisula fluviatilis G.F. Angas, 1871 - syn of: Spisula trigonella (J.B.P.A. Lamarck, 1818) - (MACTRIDAE)
- fluviatilis, Mactra fluviatilis G.F. Angas, 1871 - syn of: Spisula trigonella (J.B.P.A. Lamarck, 1818) - (MACTRIDAE)
- fluviatilis, Modiolus fluviatilis F.W. Hutton, 1878 - syn of: Limnoperna securis (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- fluviatilis, Musculus fluviatilis E. Klein - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (MYTILIDAE)
- fluviatilis, Theodoxus fluviatilis (C. Linnaeus, 1758) - (NERITIDAE)
- fluviatilis, Costatella fluviatilis A.E.J. Férussac, 1807 - syn of: Physella acuta (J.P.R. Draparnaud, 1805) - (PHYSIDAE)
- fluviatilis, Pinna fluviatilis Sander, 1780 - syn of: Dreissena polymorpha (P.S. Pallas, 1771) - (PINNIDAE)
- fluviatilis, Ancylus fluviatilis O.F. Müller, 1774 - (PLANORBIDAE)
- fluviatilis, Io fluviatilis T. Say, 1825 - syn of: Io fluvialis (T. Say, 1825) - (PLEUROCERIDAE)
- fluviatilis, Tympanotonos fluviatilis H.C.F. Schumacher, 1817 - syn of: Tympanotonos fuscatus (C. Linnaeus, 1758) - (POTAMIDIDAE)
- fluviatilis, Cerithideopsilla cingulata fluviatilis (V.L.V. Potiez & A. Michaud, 1836) - (POTAMIDIDAE)
- fluviatilis, Tellina fluviatilis O.F. Müller, 1774 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (TELLINIDAE)
- fluviatilis, Nausitora fluviatilis C. Hedley, 1898 - syn of: Nausitora dunlopei (B.H. Wright, 1864) - (TEREDINIDAE)
- fluviatilis, Bactronophorus fluviatilis C. Hedley, 1898 - syn of: Nausitora dunlopei (B.H. Wright, 1864) - (TEREDINIDAE)
- fluviatilis, Unio fluviatilis J. Green, 1827 - syn of: Unio abbevillensis I. Lea, 1857 - (UNIONIDAE)
- fluviatilis, Anodonta fluviatilis L.A.G. d'A. Bosc, 1801 - syn of: Anodonta cataracta T. Say, 1817 - (UNIONIDAE)
- fluviatilis, Cincinna fluviatilis Y.I. Starobogatov & al., 2004 - syn of: Cincinna contorta (O.F. Müller, 1774) - (VALVATIDAE)
- fluviatilis, Valvata fluviatilis C.A. Westerlund, 1886 - syn of: Cincinna falsifluviatilis Y.I. Starobogatov, 2001 - (VALVATIDAE)
- fluviatilis, Voluta fluviatilis W.G. Maton, 1811 - syn of: Chilina fluminea (W.G. Maton, 1811) - (VOLUTIDAE)
- fluviatilis armenia, Ancylus fluviatilis armenia O. Böttger, 1881c - syn of: Ancylus armenia O. Böttger, 1881 - (PLANORBIDAE)
- fluviatilis capuliformis, Ancylus fluviatilis capuliformis A. Moquin-Tandon, 1855 - syn of: Ancylus fluviatilis O.F. Müller, 1774 - (PLANORBIDAE)
- fluviatilis euxinus, Theodoxus fluviatilis euxinus S. Clessin, 1885 - syn of: Theodoxus euxinus S. Clessin, 1885 - (NERITIDAE)
- fluviatilis kliniensis, Valvata fluviatilis kliniensis K.O. Milaschewitsch, 1881 - syn of: Cincinna kliniensis (K.O. Milaschewitsch, 1881) - (VALVATIDAE)
- fluviatilis sardous, Theodoxus fluviatilis sardous (K.T. Menke, 1830) - (NERITIDAE)
- fluviatilis sarmatica, Neritina fluviatilis sarmatica W.A. Lindholm, 1901 - syn of: Theodoxus sarmaticus (W.A. Lindholm, 1901) - (NERITIDAE)
- fluviatilis subthermalis, Theodoxus fluviatilis subthermalis J.R. Bourguignat in A. Issel, 1865 - syn of: Theodoxus subthermalis J.R. Bourguignat in A. Issel, 1865 - (NERITIDAE)
- fluviatilis thermalis, Theodoxus fluviatilis thermalis (N. Boubee, 1833) - (NERITIDAE)
- fluviatilis transversetaeniatus, Theodoxus fluviatilis transversetaeniatus A.J. Wagner, 1928 - (NERITIDAE)
- fluvicola, Theodoxus heldreichi fluvicola H. Schütt & R. Sesen, 1992 - (NERITIDAE)
- Fluvidona, Genus Fluvidona T. Iredale (HYDROBIIDAE)
- fluviimaris, Mitra fluviimaris H.A. Pilsbry & J.T.L. McGinty, 1949 - syn of: Subcancilla straminea (A. Adams, 1853) - (MITRIDAE)
- fluvilutea, Nuculana fluvilutea J. Marwick, 1931 † - (NUCULANIDAE) (FOSSIL)
- Fluvinerita, Subgenus Nerita (Fluvinerita) H.A. Pilsbry, 1932 (NERITIDAE)
- Fluviocingula, Genus Fluviocingula J.T. Kuroda & T. Habe, 1954 (IRAVADIIDAE)
- Fluviodorsum, syn of: Genus Dorsanum J.E. Gray, 1847 (NASSARIIDAE)
- Fluviolanatus, Genus Fluviolanatus T. Iredale, 1924 (TRAPEZIDAE)
- Fluviopupa, Genus Fluviopupa H.A. Pilsbry, 1911 (HYDROBIIDAE)
- fluviorum, Viviparus fluviorum P.D. Montfort, 1810 - syn of: Viviparus viviparus (C. Linnaeus, 1758) - (VIVIPARIDAE)
- fluvis, Dreissena fluvis J.E. Gray, 1825 - syn of: Dreissena polymorpha (P.S. Pallas, 1771) - (DREISSENIDAE)
- fluvis, Mytilus fluvis J.E. Gray, 1825 - syn of: Dreissena polymorpha (P.S. Pallas, 1771) - (MYTILIDAE)
- fluxa, Nuttallina californica fluxa (P.P. Carpenter, 1864) - (LEPIDOCHITONIDAE)
- Fluxiella, syn of: Genus Fluxinella B.A. Marshall, 1983 (SEGUENZIIDAE)
- Fluxina, syn of: Genus Calliostoma W.J. Swainson, 1840 (CALLIOSTOMATIDAE)
- Fluxinella, Genus Fluxinella B.A. Marshall, 1983 (SEGUENZIIDAE)
- fluxum, Chondropoma fluxum P. Bartsch, 1946 - (POMATIIDAE)
- flyensis, Hunsteinia flyensis (C. Hedley, 1894) - (HELICARIONIDAE)
- flyensis, Westralunio flyensis (C.M. Tapparone-Canefri, 1883) - (HYRIIDAE)
- foai, Serpaea foai J. Germain, 1905 - (ACHATINIDAE)
- foai, Lanistes foai J. Germain, 1905 - syn of: Lanistes nsendweensis C. Dupuis & S. Putzeys, 1902 - (AMPULLARIIDAE)
- foai, Corbicula foai J.F. Mabille, 1901 - syn of: Corbicula fluminalis (O.F. Müller, 1774) - (CYRENIDAE)
- foai, Burtonia foai J.F. Mabille, 1901 - syn of: Pseudospatha tanganyicensis (E.A. Smith, 1880) - (UNIONIDAE)
- foai, Viviparus foai J. Germain, 1905 - (VIVIPARIDAE)
- focillatus, Drymaeus focillatus L.A. Reeve, 1848 - syn of: Drymaeus lattrei (L. Pfeiffer, 1846) - (BULIMULIDAE)
- fococarens, Ostrea fococarens H.J. Finlay, 1928 - syn of: Ostrea chilensis R.A. Philippi, 1844 - (OSTREIDAE)
- fodai, Arrhoges fodai Abbass, 1967 † - (APORRHAIDAE) (FOSSIL)
- fodela, Orculella fodela E. Gittenberger & B. Hausdorf, 2004 - (ORCULIDAE)
- fodereana, Oxychilus fodereana J.R. Bourguignat, 1894 - syn of: Oxychilus draparnaudi (H.H. Beck, 1837) - (OXYCHILIDAE)
- fodiatus, Lepidopleurus fodiatus A. de Rochebrune, 1881 - (LEPTOCHITONIDAE)
- fodicatum, Cerithium fodicatum L.M.D. Bellardi, 1852 † - (CERITHIIDAE) (FOSSIL)
- fodiens, Bradybaena fodiens (L. Pfeiffer, 1845) - (BRADYBAENIDAE)
- fodiens, Platyrhaphe fodiens (P.M. Heude, 1882) - (CYCLOPHORIDAE)
- fodiens, Micromenia fodiens (G. Schwabl, 1955) - (DONDERSIIDAE)
- fodinale, Sinumelon fodinale (R. Tate, 1892) - (CAMAENIDAE)
- fodinale serlense, Sinumelon fodinale serlense T. Iredale, 1937 - (CAMAENIDAE)
- fodinarum, Potamolithus fodinarum H.A. Pilsbry, 1924 - (LITHOGLYPHIDAE)
- fodinata, Zoila fodinata T.A. Darragh, 2011 † - (CYPRAEIDAE) (FOSSIL)
- fodinense, Laevidentalium fodinense P.A. Maxwell, 1988 † - (LAEVIDENTALIIDAE) (FOSSIL)
- foeda, Sulcospira foeda (Lea, 1850) - (PACHYCHILIDAE)
- foeda, Melania foeda H.C. Lea & I. Lea, 1850 - syn of: Sulcospira testudinaria (von dem Busch in R.A. Philippi, 1842) - (THIARIDAE)
- foeda, Anodonta foeda G. Servain, 1885 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- foedata, Cypraea foedata E.A. Smith, 1911 - syn of: Erosaria turdus (J.B.P.A. Lamarck, 1810) - (CYPRAEIDAE)
- foedata, Dendrodoris foedata F.D. Abraham, 1877 - (DENDRODORIDIDAE)
- foedata, Cernuella foedata É.A.A. Locard, 1882 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- foedatina, Cernuella foedatina É.A.A. Locard, 1894 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- Foegia, Genus Foegia J.E. Gray, 1842 (PENICILLIDAE)
- foeni, Trochulus foeni É.A.A. Locard, 1894 - syn of: Trichia hispida (C. Linnaeus, 1758) - (HYGROMIIDAE)
- foerstei, Mytilarca foerstei A.H. Clarke & Ruedemann, 1903 † - (AMBONYCHIIDAE) (FOSSIL)
- foerstei, Praeanomalodonta foerstei Isberg, 1934 † - (AMBONYCHIIDAE) (FOSSIL)
- foerstei, Busycon foerstei Gardner, 1947 † - (BUSYCONIDAE) (FOSSIL)
- foerstei, Cyrtocerina foerstei Flower, 1952 † - (CYRTOCERINIDAE) (FOSSIL)
- foerstei, Cyrtogomphoceras foerstei Miller & Furnish, 1937 † - (CYRTOGOMPHOCERATIDAE) (FOSSIL)
- foerstei, Ordogeisonoceras foerstei (E. Strand, 1934 †) - (GEISONOCERATIDAE) (FOSSIL)
- foerstei, Ecdyceras foerstei Flower † - (HEBETOCERATIDAE) (FOSSIL)
- foerstei, Leurocycloceras foerstei Teichert, 1930 † - syn of: Striatocycloceras foerstei (Teichert, 1930 †) - (KIONOCERATIDAE) (FOSSIL)
- foerstei, Endodiscosorus foerstei Teichert, 1931 † - (LOWOCERATIDAE) (FOSSIL)
- foerstei, Striatocycloceras foerstei (Teichert, 1930 †) - (ORTHOCERATIDAE) (FOSSIL)
- foerstei, Catoraphiceras foerstei (Butts, 1926 †) - (PROTOCYCLOCERATIDAE) (FOSSIL)
- Foerstellites, Genus Foerstellites Kobayashi, 1940 † (ENDOCERATIDAE) (FOSSIL)
- Foersteoceras, Genus Foersteoceras Ruedemann, 1925 † (BREVICOCERATIDAE) (FOSSIL)
- foersteri, Hunsteinia foersteri (W. Kobelt, 1914) - (HELICARIONIDAE)
- foersteri, Bralitzia foersteri J. Gründel, 1998 † - (RISSOINIDAE) (FOSSIL)
- Foersteria, Genus Foersteria Tomlin, 1929 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- foerstii, Crenipecten foerstii Herrick, 1887 † - syn of: Streblochondria tenuilineata (F.B. Meek & A.H. Worthen, 1860 †) - (AVICULOPECTINIDAE) (FOSSIL)
- foetens, Chilostoma zonatum foetens (S.E. Studer, 1820) - (HELICIDAE)
- foetens cisalpina, Helix foetens cisalpina G. Stabile, 1864 - syn of: Chilostoma zonatum foetens cisalpina (G. Stabile, 1864) - (HELICIDAE)
- foetens cisalpina, Chilostoma zonatum foetens cisalpina (G. Stabile, 1864) - (HELICIDAE)
- foetens strobeli, Helix foetens strobeli M. Lessona, 1880 - syn of: Chilostoma zonatum foetens cisalpina (G. Stabile, 1864) - (HELICIDAE)
- foetida, Asteronotus foetida W.H. Pease, 1860 - syn of: Asteronotus cespitosus (J.C. van Hasselt, 1824) - (DISCODORIDIDAE)
- foetterlei, Foetterleiceras foetterlei (J. Von Hauer, 1856 †) - (PHRICODOCERATIDAE) (FOSSIL)
- Foetterleiceras, Genus Foetterleiceras Rakús & Guex, 2002 † (PHRICODOCERATIDAE) (FOSSIL)
- foezyi, Praechlamys foezyi Fozy & al., 2013 † - (PECTINIDAE) (FOSSIL)
- Fofinha, Genus Fofinha Moro & Ortea, 2015 (ILBIIDAE)
- fogata, Flabellina fogata S.V. Millen & A. Hermosillo, 2007 - (FLABELLINIDAE)
- fogoensis, Leptaxis fogoensis W.L.H. Dohrn, 1869 - syn of: Leptaxis advena (P.B. Webb & S. Berthelot, 1833) - (HYGROMIIDAE)
- fogonense, Chondropometes vignalense fogonense C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- fogonensis, Microceramus fogonensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- fohlinense, Wollemanniceras fohlinense Imlay, 1960 † - (DESMOCERATIDAE) (FOSSIL)
- foiaensis, Ponentina foiaensis D.T. Holyoak & G.A. Holyoak, 2012 - (HYGROMIIDAE)
- foitra, Kalidos foitra K.C. Emberton, 2007 - (ARIOPHANTIDAE)
- foixi, Oestophora tarraconensis foixi (C. Altimira, 1967) - (TRISSEXODONTIDAE)
- fokkesi, Turbo fokkesi I.H. Jonas, 1843 - syn of: Turbo fluctuosus W. Wood, 1828 - (TURBINIDAE)
- fokkesi, Unio fokkesi R.W. Dunker, 1852 - syn of: Diplodon delodontus (J.B.P.A. Lamarck, 1819) - (UNIONIDAE)
- Folaceiscala, syn of: Genus Epitonium P.F. Röding, 1798 (EPITONIIDAE)
- folcoi, Ataphrus folcoi (C. Gemmellaro, 1911 †) - (ATAPHRIDAE) (FOSSIL)
- folcoi, Trochus folcoi C. Gemmellaro, 1911 † - syn of: Ataphrus folcoi (C. Gemmellaro, 1911 †) - (TROCHIDAE) (FOSSIL)
- foleyi, Melanopsis foleyi (P.M. Pallary, 1920) - (MELANOPSIDAE)
- foleyi glandinopsis, Melanopsis foleyi glandinopsis P.M. Pallary, 1928 - (MELANOPSIDAE)
- foleyi minor, Melanopsis foleyi minor P.M. Pallary, 1920 - (MELANOPSIDAE)
- foleyi scalata, Melanopsis foleyi scalata P.M. Pallary, 1928 - (MELANOPSIDAE)
- folgeri, Thyasira folgeri Wagner & Schilling, 1923 † - (THYASIRIDAE) (FOSSIL)
- Folia, syn of: Genus Altrix K.V.W. Palmer, 1942 (FISSURELLIDAE)
- foliabrassicae, Spondylus foliabrassicae D'Orbigny in R. de la Sagra, 1853 - syn of: Spondylus americanus Hermann, 1781 - (SPONDYLIDAE)
- foliacea, Pseudomalaxis foliacea (R.A. Philippi, 1844) - (ARCHITECTONICIDAE)
- foliacea, Maoritomella foliacea C.F. Laseron, 1954 - (BORSONIIDAE)
- foliacea, Crepipatella foliacea (W.J. Broderip, 1834) - (CALYPTRAEIDAE)
- foliacea, Chama foliacea J.R.C. Quoy & J.P. Gaimard, 1835 - syn of: Chama pacifica W.J. Broderip, 1835 - (CHAMIDAE)
- foliacea, Antisabia foliacea (J.R.C. Quoy & J.P. Gaimard, 1834) - (HIPPONICIDAE)
- foliacea, Melanopsis foliacea Gümbel, 1861 † - (MELANOPSIDAE) (FOSSIL)
- foliacea, Poirieria foliacea (Melleville, 1843 †) - (MURICIDAE) (FOSSIL)
- foliacea, Flexopteron foliacea (G.P. Deshayes, 1865 †) - (MURICIDAE) (FOSSIL)
- foliacea, Hexaplex foliacea G. Perry, 1811 - syn of: Hexaplex cichoreum (J.F. Gmelin, 1791) - (MURICIDAE)
- foliacea, Purpura foliacea T.A. Conrad, 1837 - syn of: Semiricinula turbinoides (H.M.D. de Blainville, 1832) - (MURICIDAE)
- foliacea, Rapana foliacea H.C.F. Schumacher, 1817 - syn of: Rapana bezoar (C. Linnaeus, 1767) - (MURICIDAE)
- foliacea, Pinctada foliacea P.F. Röding, 1798 - syn of: Pinctada margaritifera (C. Linnaeus, 1798) - (PTERIIDAE)
- foliacea, Phylloda foliacea (C. Linnaeus, 1758) - (TELLINIDAE)
- foliacea, Venerupis foliacea G.P. Deshayes, 1853 - syn of: Paphonotia elliptica (Sowerby, 1834) - (VENERIDAE)
- foliacea, Clausinella foliacea R.A. Philippi, 1846 - syn of: Placamen foliaceum (R.A. Philippi, 1846) - (VENERIDAE)
- foliacea, Chione foliacea R.A. Philippi, 1846 - syn of: Placamen foliaceum (R.A. Philippi, 1846) - (VENERIDAE)
- foliacea, Bassina foliacea R.A. Philippi, 1846 - syn of: Placamen foliaceum (R.A. Philippi, 1846) - (VENERIDAE)
- foliacea, Venus foliacea R.A. Philippi, 1846 - syn of: Placamen foliaceum (R.A. Philippi, 1846) - (VENERIDAE)
- foliacea dyscrita, Poirieria foliacea dyscrita A.E.M. Cossmann, 1889 - (MURICIDAE)
- foliacea fraterculus, Flexopteron foliacea fraterculus (G.P. Deshayes, 1865) - (MURICIDAE)
- foliaceicosta, Epitonium foliaceicosta d'Orbigny, 1842 - (EPITONIIDAE)
- foliaceicosta, Epitonium foliaceicosta D'Orbigny, 1842 - syn of: Epitonium foliaceicosta d'Orbigny, 1842 - (EPITONIIDAE)
- Foliaceiscala, syn of: Genus Epitonium P.F. Röding, 1798 (EPITONIIDAE)
- foliaceolamellosus, Circomphalus foliaceolamellosus (L.W. Dillwyn, 1817) - (VENERIDAE)
- foliaceolamellosus rotundior, Circomphalus foliaceolamellosus rotundior (F. Kautsky †) - (VENERIDAE) (FOSSIL)
- foliaceum, Epitonium foliaceum Sowerby, 1825 † - (EPITONIIDAE) (FOSSIL)
- foliaceum, Placamen foliaceum (R.A. Philippi, 1846) - (VENERIDAE)
- foliaceus, Ammonites foliaceus Giebel, 1852 † - syn of: Amaltheus margaritatus de Montford, 1808 † - (AMMONITIDA (unassigned)) (FOSSIL)
- foliaceus, Serratifusus foliaceus (R. Tate, 1888 †) - (BUCCINIDAE) (FOSSIL)
- foliaceus, Fusus foliaceus R. Tate, 1888 † - syn of: Serratifusus foliaceus (R. Tate, 1888 †) - (FASCIOLARIIDAE) (FOSSIL)
- foliaceus, Obtusoconus foliaceus MacKinnon, 1985 † - (HELCIONELLIDAE) (FOSSIL)
- foliaceus, Chlamys foliaceus J.R.C. Quoy & J.P. Gaimard, 1835 - syn of: Scaeochlamys livida (J.B.P.A. Lamarck, 1819) - (PECTINIDAE)
- foliaceus, Sphaerulites foliaceus J.B.P.A. Lamarck, 1819 † - (RADIOLITIDAE) (FOSSIL)
- foliaceus, Spondylus foliaceus K. Schreibers, 1793 - (SPONDYLIDAE)
- foliaceus, Turbo foliaceus R.A. Philippi, 1846 - syn of: Turbo laminiferus L.A. Reeve, 1848 - (TURBINIDAE)
- foliaceus, Turbo foliaceus R.A. Philippi, 1847 - syn of: Turbo laminiferus L.A. Reeve, 1848 - (TURBINIDAE)
- foliaceus, Unio foliaceus A.A. Gould, 1843 - syn of: Trapezoideus exolescens (A.A. Gould, 1843) - (UNIONIDAE)
- foliaceus, Metatirolites foliaceus (Dittmar, 1866 †) - (USSURITIDAE) (FOSSIL)
- foliaceus zayleymanensis, Trapezoideus foliaceus zayleymanensis H.B. Preston, 1912 - syn of: Trapezoideus exolescens (A.A. Gould, 1843) - (UNIONIDAE)
- Foliastralium, syn of: Genus Astralium J.H.F. Link, 1807 (TURBINIDAE)
- foliata, Barbatia foliata (P. Forsskål in C. Niebuhr, 1775) - (ARCIDAE)
- foliata, Arca foliata P. Forsskål in C. Niebuhr, 1775 - syn of: Barbatia foliata (P. Forsskål in C. Niebuhr, 1775) - (ARCIDAE)
- foliata, Bufonaria foliata (W.J. Broderip, 1826) - (BURSIDAE)
- foliata, Bufonaria foliata W.J. Broderip, 1826 - syn of: Bufonaria foliata (W.J. Broderip, 1826) - (BURSIDAE)
- foliata, Cuthona foliata (E. Forbes & J. Goodsir, 1839) - (FIONIDAE)
- foliata, Purpura foliata (T. Martyn, 1784) - (MURICIDAE)
- foliata, Ranella foliata W.J. Broderip, 1826 - syn of: Bufonaria foliata (W.J. Broderip, 1826) - (RANELLIDAE)
- foliata, Merelina foliata (H.H. Suter, 1908) - (RISSOIDAE)
- foliata, Dysnomia foliata S.P. Hildreth, 1828 - syn of: Epioblasma flexuosa (C.S. Rafinesque, 1820) - (UNIONIDAE)
- foliata, Xylophaga foliata J. Knudsen, 1961 - (XYLOPHAGAIDAE)
- foliatum, Ceratostoma foliatum (J.F. Gmelin, 1791) - (MURICIDAE)
- foliatus, Pododesmus foliatus (W.J. Broderip, 1834) - (ANOMIIDAE)
- foliatus, Chiton foliatus T. Allan, 1818 - syn of: Lepidopleurus cajetanus (G.S. Poli, 1791) - (CHITONIDAE)
- foliatus, Donax foliatus E.M. Da Costa, 1778 - syn of: Irus irus (C. Linnaeus, 1758) - (DONACIDAE)
- foliatus, Lepidopleurus foliatus T. Allan, 1818 - syn of: Lepidopleurus cajetanus (G.S. Poli, 1791) - (LEPTOCHITONIDAE)
- foliatus, Murex foliatus H.C.F. Schumacher, 1817 - syn of: Trophon geversianum (P.S. Pallas, 1774) - (MURICIDAE)
- foliatus, Triplex foliatus G. Perry, 1810 - syn of: Chicoreus palmarosae (J.B.P.A. Lamarck, 1822) - (MURICIDAE)
- foliatus, Tropidodiscus foliatus Cook, 1995 † - (TROPIDODISCIDAE) (FOSSIL)
- foliatus, Unio foliatus S.P. Hildreth, 1828 - syn of: Epioblasma flexuosa (C.S. Rafinesque, 1820) - (UNIONIDAE)
- folidodes, Chicoreus folidodes Gardner, 1947 † - (MURICIDAE) (FOSSIL)
- Folietta, syn of: Genus Polycera G.L.C.F.D. Cuvier, 1817 (POLYCERIDAE)
- foliifera, Gulella foliifera E.C. Von Martens, 1895 - (STREPTAXIDAE)
- Folina, Genus Folina Crosse, 1868 † (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- folineae, Chauvetia folineae R.A. Philippi, 1844 - syn of: Chauvetia lefebvrii (C. Maravigna, 1840) - (BUCCINIDAE)
- folineae, Chauvetia folineae S. Delle Chiaje, 1828 - syn of: Chauvetia brunnea (E. Donovan, 1804) - (BUCCINIDAE)
- Folineaea, syn of: Genus Chauvetia T.A. de M. Monterosato, 1884 (BUCCINIDAE)
- Folinella, Genus Folinella W.H. Dall & P. Bartsch, 1904 (PYRAMIDELLIDAE)
- folini, Caecum folini B.S. Kisch, 1959 - (CAECIDAE)
- folini, Parastrophia folini M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1884 - syn of: Parastrophia asturiana L. de Folin, 1870 - (CAECIDAE)
- folini, Zizyphinus folini P. Fischer, 1882 - syn of: Callumbonella suturalis (R.A. Philippi, 1836) - (CALLIOSTOMATIDAE)
- folini, Collonista folini H.A. Pilsbry, 1888 - syn of: Collonista purpurata (G.P. Deshayes, 1863) - (COLLONIIDAE)
- folini, Foratiscala folini P. Dautzenberg & M.E.A. de Boury, 1897 - syn of: Eccliseogyra folini (P. Dautzenberg & M.E.A. de Boury, 1897) - (EPITONIIDAE)
- folini, Gastrochaena folini G.P. Deshayes in L. de Folin & J.P.L. Périer, 1867 - syn of: Lamychaena truncata (G.B. I Sowerby, 1834) - (GASTROCHAENIDAE)
- folini, Anisocycla folini P. Fischer in L. de Folin, 1869 - syn of: Ebala striatula (J.G. Jeffreys, 1856) - (MURCHISONELLIDAE)
- folini, Eccliseogyra folini (P. Dautzenberg & M.E.A. de Boury, 1897) - (NYSTIELLIDAE)
- folini, Eulimella folini P. Fischer in L. de Folin, 1869 - syn of: Ebala striatula (J.G. Jeffreys, 1856) - (PYRAMIDELLIDAE)
- folini, Xanthodaphne folini É.A.A. Locard, 1897 - syn of: Xanthodaphne leptalea (K.J. Bush, 1893) - (RAPHITOMIDAE)
- folini, Succinea folini A.A. Baudon, 1879 - syn of: Oxyloma sarsii (B. Esmark & Z.A. Hoyer, 1886) - (SUCCINEIDAE)
- folini, Yoldiella folini A. Warén, 1978 - (YOLDIIDAE)
- Folinia, Genus Folinia J.C.H. Crosse, 1868 (ZEBINIDAE)
- foliniana, Platyla foliniana (G. Nevill, 1879) - (ACICULIDAE)
- foliniana, Acme foliniana G. Nevill, 1879 - syn of: Platyla foliniana (G. Nevill, 1879) - (HYDROBIIDAE)
- folinii, Longchaeus folinii (W.H. Dall, 1889) - (PYRAMIDELLIDAE)
- Folioceras, Genus Folioceras Collins, 1969 † (ORTHOCERIDA (UNASSIGNED)) (FOSSIL)
- foliodenticulatus, Leiophyllites foliodenticulatus Wang & C. Chen, 1979 † - (USSURITIDAE) (FOSSIL)
- folioformis, Mytilus folioformis Slodkewitsch, 1936 † - (MYTILIDAE) (FOSSIL)
- folioides, Lopha folioides W.P. Woodring, 1925 - syn of: Dendostrea frons (C. Linnaeus, 1758) - (OSTREIDAE)
- foliolatum, Prophysaon foliolatum (A.A. Gould, 1851) - (ANADENIDAE)
- foliopeza, Sepia foliopeza T.A. Okutani & M. Tagawa, 1987 - (SEPIIDAE)
- foliorum, Buccinum foliorum J.F. Gmelin, 1791 † - syn of: Tritia mutabilis (C. Linnaeus, 1758 †) - (BUCCINIDAE) (FOSSIL)
- foliorum, Helicella foliorum P. Fagot - syn of: Helicella bolenensis É.A.A. Locard, 1882 - (HYGROMIIDAE)
- foliorum, Littorina foliorum J.F. Gmelin, 1791 - syn of: Littoraria scabra (C. Linnaeus, 1758) - (LITTORINIDAE)
- foliosa, Wiwaxia foliosa Yang & al., 2014 † - (WIWAXIIDAE) (FOSSIL)
- foliosum, Buccinum foliosum W. Wood, 1818 † - syn of: Tritia mutabilis (C. Linnaeus, 1758 †) - (BUCCINIDAE) (FOSSIL)
- foliosum, Sinoeremoceras foliosum Zou & C. Chen, 1979 † - (PLECTRONOCERATIDAE) (FOSSIL)
- foliosus, Triplex foliosus L.M.D. Bellardi, 1873 † - (MURICIDAE) (FOSSIL)
- foliosus, Clithon cuvierianus foliosus (G.B. II Sowerby, 1849) - (NERITIDAE)
- foliosus, Spondylus gaederopus foliosus T.A. de M. Monterosato, 1875 - (SPONDYLIDAE)
- foliosus exaquitanicus, Triplex foliosus exaquitanicus A.E.M. Cossmann & M.A. Peyrot, 1923 - (MURICIDAE)
- folium, Mytilus folium C. Linnaeus, 1758 - syn of: Dendostrea folium (C. Linnaeus, 1758) - (MYTILIDAE)
- folium, Dendostrea folium (C. Linnaeus, 1758) - (OSTREIDAE)
- folium, Lopha folium C. Linnaeus, 1758 - syn of: Dendostrea folium (C. Linnaeus, 1758) - (OSTREIDAE)
- folium, Ostrea folium C. Linnaeus, 1758 - syn of: Dendostrea folium (C. Linnaeus, 1758) - (OSTREIDAE)
- folium, Pinna folium A.T. Young & Bird, 1822 † - (PINNIDAE) (FOSSIL)
- folium, Crenatula folium J.E. Gray, 1825 - syn of: Crenatula picta (J.F. Gmelin, 1791) - (PTERIIDAE)
- folium, Tellina folium G.W. Tryon, 1869 - syn of: Phylloda foliacea (C. Linnaeus, 1758) - (TELLINIDAE)
- folleata, Canavarina folleata (S.S. Buckman, 1890 †) - (HILDOCERATIDAE) (FOSSIL)
- folleatum, Acanthoceras folleatum White, 1887 † - (ACANTHOCERATIDAE) (FOSSIL)
- follicula, Ferussacia follicula J.F. Gmelin, 1791 - syn of: Ferussacia folliculus (J.S. Schröter, 1784) - (FERUSSACIIDAE)
- follicula, Ciliella follicula A. Risso, 1826 - syn of: Ciliella ciliata (J.D.W. Hartmann, 1821) - (HYGROMIIDAE)
- folliculata, Elliptio folliculata I. Lea, 1838 - (UNIONIDAE)
- Folliculiana, syn of: Genus Ferussacia A. Risso, 1826 (FERUSSACIIDAE)
- Folliculina, syn of: Genus Ferussacia A. Risso, 1826 (FERUSSACIIDAE)
- folliculus, Bulla folliculus K.T. Menke, 1853 - syn of: Haminoea navicula (E.M. Da Costa, 1778) - (BULLIDAE)
- Folliculus, syn of: Genus Cochlicopa A.E.J. Férussac in A. Risso, 1826 (COCHLICOPIDAE)
- folliculus, Diplommatina folliculus W.H. Benson, 1849 - (DIPLOMMATINIDAE)
- folliculus, Ferussacia folliculus (J.S. Schröter, 1784) - (FERUSSACIIDAE)
- folliculus, Ferussacia folliculus A.E.J. Férussac, 1819 - syn of: Ferussacia folliculus (J.S. Schröter, 1784) - (FERUSSACIIDAE)
- folliculus, Haminoea folliculus K.T. Menke, 1853 - syn of: Haminoea elegans (J.E. Gray, 1825) - (HAMINOEIDAE)
- folliculus, Retusa folliculus A. Adams, 1862 - (RETUSIDAE)
- folliforme, Acutimitoceras folliforme (Ruan, 1981 †) - (GATTENDORFIIDAE) (FOSSIL)
- folliforme, Imitoceras folliforme Ruan, 1981 † - syn of: Acutimitoceras folliforme (Ruan, 1981 †) - (PRIONOCERATIDAE) (FOSSIL)
- folliformis, Pleurocephalites folliformis Buckman, 1922 † - (MACROCEPHALITIDAE) (FOSSIL)
- follis, Paslucina follis A.A. Olsson, 1964 † - (LUCINIDAE) (FOSSIL)
- Follmannia, Genus Follmannia Drevermann, 1907 † (PTERIIDA (UNASSIGNED)) (FOSSIL)
- folloti, Follotites folloti D. Korn & al., 2010 † - (MUENSTEROCERATIDAE) (FOSSIL)
- Follotites, Genus Follotites Korn & al., 2010 † (MUENSTEROCERATIDAE) (FOSSIL)
- follyensis, Urosalpinx follyensis B.B. Baker, 1951 - syn of: Urosalpinx cinerea (T. Say, 1822) - (MURICIDAE)
- folnegovici, Zagrabica folnegovici Š. Brusina, 1884 † - (LYMNAEIDAE) (FOSSIL)
- foltzense, Acrochordiceras foltzense Smith, 1914 † - syn of: Gymnotoceras zvetkovi Konstantinov, 1991 † - (ACROCHORDICERATIDAE) (FOSSIL)
- fomentense, Chondrothyrium violaceum fomentense C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- foncki, Fusus foncki R.A. Philippi, 1887 † - syn of: Penion domeykoanus (R.A. Philippi, 1887 †) - (FASCIOLARIIDAE) (FOSSIL)
- fonckii, Ancylus fonckii R.A. Philippi, 1866 - (PLANORBIDAE)
- fonesi, Solen fonesi R.W. Dunker, 1862 - (SOLENIDAE)
- fongosa, Baptodoris fongosa J.J. Risbec, 1928 - (DISCODORIDIDAE)
- fongthoensis, Burmesia fongthoensis VuKhuc 1991 † - (BURMESIIDAE) (FOSSIL)
- fonki, Calliostoma fonki (R.A. Philippi, 1860) - (CALLIOSTOMATIDAE)
- fonki, Trochus fonki R.A. Philippi, 1860 - syn of: Calliostoma fonki (R.A. Philippi, 1860) - (TROCHIDAE)
- fons, Xenomytilus fons R.L. Squires & Saul, 2006 † - (MYTILIDAE) (FOSSIL)
- fons, Magnatica fons Finlay, 1930 † - (NATICIDAE) (FOSSIL)
- Fonscochlea, Genus Fonscochlea W.F. Ponder, R. Hershler & B.W. Jenkins, 1989 (HYDROBIIDAE)
- fonscultus, Austropyrgus fonscultus A. Clark, W.B. Miller & W.F. Ponder, 2003 - (HYDROBIIDAE)
- fonseca, Pilsbryspira fonseca H.A. Pilsbry & H.N. Lowe, 1932 - syn of: Pilsbryspira atramentosa (E.A. Smith, 1882) - (PSEUDOMELATOMIDAE)
- fonsecai, Conus fonsecai (E.J. Petuch & D.P. Berschauer, 2016) - (CONIDAE)
- fonsecana, Acmaea fonsecana H.A. Pilsbry & H.N. Lowe, 1932 - syn of: Notoacmea biradiata (L.A. Reeve, 1855) - (ACMAEIDAE)
- fonsecana, Mactra fonsecana L.G. Hertlein & Strong, 1950 - syn of: Mactrotoma isthmica fonsecana L.G. Hertlein & A.M. Strong, 1950 - (MACTRIDAE)
- fonsecana, Mactrotoma isthmica fonsecana L.G. Hertlein & A.M. Strong, 1950 - (MACTRIDAE)
- fonsecanus, Rabdotus fonsecanus (F. Haas, 1961) - (BULIMULIDAE)
- fontaineana, Diodora fontaineana D'Orbigny, 1841 - syn of: Diodora fontainiana (A.V.M.D. D'Orbigny, 1841) - (FISSURELLIDAE)
- fontaineana, Theodoxus fontaineana D'Orbigny, 1840 - (NERITIDAE)
- fontaineanum, Neritina latissima fontaineanum (A.V.M.D. D'Orbigny, 1840) - (NERITIDAE)
- fontaineanus, Diplodon fontaineanus D'Orbigny, 1835 - syn of: Diplodon fontainianus (A.V.M.D. D'Orbigny, 1835) - (HYRIIDAE)
- fontaineanus, Gregariella fontaineanus D'Orbigny, 1842 - syn of: Gregariella chenui (C.A. Récluz, 1842) - (MYTILIDAE)
- fontaineanus, Mytilus fontaineanus D'Orbigny, 1842 - syn of: Gregariella chenui (C.A. Récluz, 1842) - (MYTILIDAE)
- fontainei, Austrofusus fontainei (A.V.M.D. D'Orbigny, 1841) - (BUCCINIDAE)
- fontainei, Nevadites fontainei Smith, 1914 † - syn of: Nevadites humboldtensis (Smith, 1914 †) - (CERATITIDAE) (FOSSIL)
- fontainei, Tonicia fontainei A. de Rochebrune, 1882 - syn of: Chiton granosus J. Frembly, 1827 - (CHITONIDAE)
- fontainei, Castanophaedusa fontainei Páll-Gergely & Szekeres, 2017 - (CLAUSILIIDAE)
- fontainei, Polymesoda fontainei (A.V.M.D. D'Orbigny, 1842) - (CYRENIDAE)
- fontainei, Dendrodoris fontainei (A.V.M.D. D'Orbigny, 1837) - (DENDRODORIDIDAE)
- fontainei, Archidoris fontainei D'Orbigny, 1837 - syn of: Doris fontainii (A.V.M.D. D'Orbigny, 1837) - (DORIDIDAE)
- fontainei, Doris fontainei L.H. Hupé, 1854 - syn of: Doris fontainii (A.V.M.D. D'Orbigny, 1837) - (DORIDIDAE)
- fontainei, Fusus fontainei D'Orbigny, 1841 - syn of: Austrofusus fontainei (A.V.M.D. D'Orbigny, 1841) - (FASCIOLARIIDAE)
- fontainei, Murex fontainei G.W. Tryon, 1880 - syn of: Muregina lugubris (W.J. Broderip, 1833) - (MURICIDAE)
- fontainei, Nassa fontainei D'Orbigny, 1841 - syn of: Nassarius exilis (W.L. Powys, 1835) - (NASSARIIDAE)
- fontainei, Bucardiomya fontainei Hayami 1972 † - (PHOLADOMYIDAE) (FOSSIL)
- fontainei, Turbonilla fontainei A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- fontainei, Nesoropupa fontainei O. Gargominy, 2008 - (VERTIGINIDAE)
- fontainiana, Diodora fontainiana (A.V.M.D. D'Orbigny, 1841) - (FISSURELLIDAE)
- fontainianus, Diplodon fontainianus (A.V.M.D. D'Orbigny, 1835) - (HYRIIDAE)
- fontainianus, Unio fontainianus D'Orbigny, 1835 - syn of: Diplodon fontainianus (A.V.M.D. D'Orbigny, 1835) - (UNIONIDAE)
- fontainianus deceptus, Cyclomya fontainianus deceptus C.T. Simpson, 1914 - syn of: Rhipidodonta grata (I. Lea, 1860) - (HYRIIDAE)
- fontainii, Naesiotus fontainii (A.V.M.D. D'Orbigny, 1837) - (BULIMULIDAE)
- fontainii, Doris fontainii (A.V.M.D. D'Orbigny, 1837) - (DORIDIDAE)
- fontainii, Archidoris fontainii D'Orbigny, 1837 - syn of: Doris fontainii (A.V.M.D. D'Orbigny, 1837) - (DORIDIDAE)
- fontana, Gabbia fontana W.F. Ponder, 2003 - (BITHYNIIDAE)
- fontana, Pyrostoma badia fontana (L. Pfeiffer, 1848) - (CLAUSILIIDAE)
- fontana, Palaeocypraea fontana F.M. Anderson, 1958 † - (CYPRAEIDAE) (FOSSIL)
- fontana, Helix fontana J. Lightfoot, 1786 - syn of: Hippeutis complanatus (C. Linnaeus, 1758) - (HELICIDAE)
- fontana, Gibbulinopsis fontana (C.F.F. von Krauss, 1841) - (PUPILLIDAE)
- fontana gorgonica, Gibbulinopsis fontana gorgonica (W.L.H. Dohrn, 1869) - (PUPILLIDAE)
- fontanae, Eulimella fontanae J.J. Van Aartsen, E. Gittenberger & J. Goud, 2000 - (PYRAMIDELLIDAE)
- fontanangioyae, Coralliophila fontanangioyae C. Smriglio & P. Mariottini, 2000 - (MURICIDAE)
- fontanangioyi, Coralliophila fontanangioyi C. Smriglio & P. Mariottini, 2000 - syn of: Coralliophila fontanangioyae C. Smriglio & P. Mariottini, 2000 - (MURICIDAE)
- fontandraui, Felimare fontandraui (A. Pruvot-Fol, 1951) - (CHROMODORIDIDAE)
- fontandraui, Hypselodoris fontandraui A. Pruvot-Fol, 1951 - syn of: Felimare fontandraui (A. Pruvot-Fol, 1951) - (CHROMODORIDIDAE)
- fontanei, Aeneator fontanei D'Orbigny, 1841 - syn of: Austrofusus fontainei (A.V.M.D. D'Orbigny, 1841) - (BUCCINIDAE)
- fontanei, Tonicia fontanei A. de Rochebrune, 1882 - syn of: Chiton granosus J. Frembly, 1827 - (CHITONIDAE)
- fontanei, Nassa fontanei D'Orbigny, 1841 - syn of: Nassarius exilis (W.L. Powys, 1835) - (NASSARIIDAE)
- fontaneillesi, Fuciniceras fontaneillesi Dommergues & Meister, 1986 † - (HILDOCERATIDAE) (FOSSIL)
- fontanellense, Fontanelliceras fontanellense (C. Gemmellaro, 1885 †) - (HILDOCERATIDAE) (FOSSIL)
- Fontanelliceras, Genus Fontanelliceras Fucini , 1931 † (HILDOCERATIDAE) (FOSSIL)
- fontanensis, Canthidomus fontanensis Villatte in Tambareau & Villatte, 1966 † - (MELANOPSIDAE) (FOSSIL)
- fontaniana, Robsonella fontaniana (A.V.M.D. D'Orbigny, 1834) - (OCTOPODIDAE)
- fontannesi, Peringia fontannesi (G.F. Dollfus & P. Dautzenberg, 1886 †) - (HYDROBIIDAE) (FOSSIL)
- fontannesi, Saccoia fontannesi Angelone, 2011 † - (HYDROBIIDAE) (FOSSIL)
- fontannesi, Theodoxus doricus fontannesi (M. von Neumayr, 1880 †) - (NERITIDAE) (FOSSIL)
- Fontannesia, Genus Fontannesia Jaworski, 1926 † (SONNINIIDAE) (FOSSIL)
- Fontannesiella, Genus Fontannesiella Spath, 1925 † (OPPELIIDAE) (FOSSIL)
- fontanus, Hippeutis fontanus J. Lightfoot, 1786 - syn of: Hippeutis complanatus (C. Linnaeus, 1758) - (PLANORBIDAE)
- fontei, Annularops sauvallei fontei M.I. Sánchez Roig, 1951 - (POMATIIDAE)
- fontei, Chondropometes concolor fontei C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- fontei, Tomelasmus julii fontei C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- fonteini, Turbonilla fonteini D. De Jong & H.E. Coomans, 1988 - (PYRAMIDELLIDAE)
- Fontelicella, Genus Fontelicella W.O. Gregg & J.D. Taylor, 1965 (HYDROBIIDAE)
- fontemaggii, Tellimya fontemaggii L.F. Conti, 1864 - syn of: Thracia phaseolina (J.B.P.A. Lamarck, 1818) - (MONTACUTIDAE)
- fontemaggii, Thracia fontemaggii L.F. Conti, 1864 - syn of: Thracia phaseolina (J.B.P.A. Lamarck, 1818) - (THRACIIDAE)
- fontenayi, Erycina fontenayi H. Mittre, 1841 - syn of: Lasaea adansoni W.H. Dall, 1899 - (LASAEIDAE)
- fontenellensis, Prorokia fontenellensis Imlay, 1967 † - (ASTARTIDAE) (FOSSIL)
- fontenillii, Chilostoma fontenillii (A. Michaud, 1829) - (HELICIDAE)
- fontenillii alpinum, Chilostoma fontenillii alpinum (A. Michaud, 1831) - (HELICIDAE)
- fontesi julii, Tomelasmus fontesi julii C. de la Torre & P. Bartsch, 1972 - syn of: Tomelasmus julii C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- fonticula, Gastrodonta fonticula C.B. Wurtz, 1948 - (GASTRODONTIDAE)
- fonticula, Halolimnohelix fonticula (H.B. Preston, 1914) - (HALOLIMNOHELICIDAE)
- fonticulum, Coeloceras fonticulum C.T. Simpson, 1855 † - syn of: Catacoeloceras fonticulum (C.T. Simpson, 1855 †) - (COELOCERATIDAE) (FOSSIL)
- fonticulum, Catacoeloceras fonticulum (C.T. Simpson, 1855 †) - (DACTYLIOCERATIDAE) (FOSSIL)
- fonticulus, Cyclopilsbrya fonticulus H.B. Preston, 1911 - syn of: Poteria fonticulus (H.B. Preston, 1911) - (MEGALOMASTOMIDAE)
- fonticulus, Poteria fonticulus (H.B. Preston, 1911) - (NEOCYCLOTIDAE)
- Fontigens, Genus Fontigens H.A. Pilsbry, 1933 (AMNICOLIDAE)
- fontinale, Sanmartinoceras fontinale Hudleston, 1890 † - (OPPELIIDAE) (FOSSIL)
- fontinale, Pisidium fontinale A. Stein, 1850 - syn of: Pisidium supinum A. Schmidt, 1850 - (SPHAERIIDAE)
- Fontinalina, syn of: Genus Pisidium L. Pfeiffer, 1821 (SPHAERIIDAE)
- fontinalis, Micantapex fontinalis (R. Tate, 1894 †) - (BORSONIIDAE) (FOSSIL)
- fontinalis, Tornatina fontinalis M. Yokoyama, 1927 † - syn of: Retusa insignis (H.A. Pilsbry, 1904) - (CYLICHNIDAE) (FOSSIL)
- fontinalis, Belgrandiella fontinalis (F.J. Schmidt, 1847) - (HYDROBIIDAE)
- fontinalis, Lymnaea fontinalis (S.E. Studer, 1820) - (LYMNAEIDAE)
- fontinalis, Baldufa fontinalis D.M. Alba, A. Tarruella & alias, 2010 - (MOITESSIERIIDAE)
- fontinalis, Saccella fontinalis (G.B. Pritchard, 1901 †) - (NUCULANIDAE) (FOSSIL)
- fontinalis, Physa fontinalis (C. Linnaeus, 1758) - (PHYSIDAE)
- fontinalis, Gyraulus fontinalis B. Hubendick & P. Radoman, 1959 - (PLANORBIDAE)
- fontinalis, Ferrissia fontinalis B. Walker, 1912 - (PLANORBIDAE)
- fontinalis, Elimia comalensis fontinalis H.A. Pilsbry & J.H. Ferriss, 1906 - (PLEUROCERIDAE)
- fontinalis, Retusa fontinalis M. Yokoyama, 1927 - (RETUSIDAE)
- fontinalis, Pisidium fontinalis J.P.R. Draparnaud, 1805 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- fontiphila, Helminthoglypta fontiphila W.O. Gregg, 1931 - (HELMINTHOGLYPTIDAE)
- fontis, Palaeohydatina fontis Calzada & Forner, 1996 † - (APLUSTRIDAE) (FOSSIL)
- fontis, Nodicoeloceras fontis Guex, 1972 † - (DACTYLIOCERATIDAE) (FOSSIL)
- fontoinonti, Hibolithes fontoinonti Besairie, 1936 † - (MESOHIBOLITHIDAE) (FOSSIL)
- fontonae, Africonus fontonae (E. Rolán & H. Trovão, 1990) - (CONIDAE)
- fontqueri, Cochlostoma patulum fontqueri (F. Haas, 1924) - (COCHLOSTOMATIDAE)
- fontsaintei, Moitessieria fontsaintei A. Bertrand, 2002 - (MOITESSIERIIDAE)
- Foordella, Genus Foordella Longstaff, 1912 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- foordi, Cenoceras foordi Tinant, 1984 † - (CENOCERATIDAE) (FOSSIL)
- Foordiceras, Genus Foordiceras Hyatt, 1893 † (KONINCKIOCERATIDAE) (FOSSIL)
- Foordites, Genus Foordites Wedekind , 1918 † (PINACITIDAE) (FOSSIL)
- foosei, Scalina foosei DeVries, 2006 † - (EPITONIIDAE) (FOSSIL)
- footeanum, Pseudaspidoceras footeanum (Stolickzka, 1864 †) - (ACANTHOCERATIDAE) (FOSSIL)
- footei, Alycaeus footei (W.T. Blanford, 1861) - (CYCLOPHORIDAE)
- footei, Palaeolima footei (L. Waagen, 1881 †) - (LIMIDAE) (FOSSIL)
- footei, Systrophiella footei (W.H. Dall, 1912) - (SCOLODONTIDAE)
- footei, Arcidopsis footei (W. Theobald, 1876) - (UNIONIDAE)
- footiana, Anodonta footiana I. Lea, 1840 - syn of: Anodonta grandis T. Say, 1829 - (UNIONIDAE)
- fora, Yoldiella fora (J.A. Allen, A. Sanders & G. Hannah, 1995) - (YOLDIIDAE)
- forabilis, Sophina forabilis (W.H. Benson) - (ARIOPHANTIDAE)
- Foraceiscala, syn of: Genus Epitonium P.F. Röding, 1798 (EPITONIIDAE)
- Foramelina, syn of: Genus Pulvinites J.L.M. Defrance, 1824 (PULVINITIDAE)
- foramenus, Turgenitubulus foramenus G.A. Solem, 1981 - (CAMAENIDAE)
- foraminata, Baylea foraminata Mazaev, 2015 † - (GOSSELETINIDAE) (FOSSIL)
- foraminata, Mitra foraminata W.J. Broderip, 1836 - syn of: Nebularia lens (W. Wood, 1828) - (MITRIDAE)
- foraminata, Kermia foraminata (L.A. Reeve, 1845) - (RAPHITOMIDAE)
- foraminata, Alvania foraminata P. Lozouet, 1998 † - (RISSOIDAE) (FOSSIL)
- foraminata, Pleurotoma foraminata L.A. Reeve, 1845 - syn of: Kermia foraminata (L.A. Reeve, 1845) - (TURRIDAE)
- foraminata camacina, Kermia foraminata camacina (L.A. Reeve, 1845) - (RAPHITOMIDAE)
- foraminata pyrgodea, Clathurina foraminata pyrgodea J.C. Melvill, 1917 - syn of: Kermia producta (W.H. Pease, 1860) - (RAPHITOMIDAE)
- foraminata pyrgodea, Kermia foraminata pyrgodea J.C. Melvill, 1917 - syn of: Kermia producta (W.H. Pease, 1860) - (RAPHITOMIDAE)
- Foraminella, syn of: Genus Lucapina G.B. Sowerby, 1835 (FISSURELLIDAE)
- foraminifera, Carolia placunoides foraminifera Strougo, 1977 † - (ANOMIIDAE) (FOSSIL)
- foraminiferus, Murex foraminiferus C.M. Tapparone-Canefri in W. Kobelt, 1877 - syn of: Favartia cyclostoma (G.B. I Sowerby, 1841) - (MURICIDAE)
- Foraminigera, syn of: Subgenus Synprosphyma (Excussispira) W.A. Lindholm, 1925 (CLAUSILIIDAE)
- forata, Natica forata L.A. Reeve, 1855 - (NATICIDAE)
- forata adjacens, Natica forata adjacens W.H. Turton, 1932 - syn of: Natica forata L.A. Reeve, 1855 - (NATICIDAE)
- Foratidolium, syn of: Genus Tonna M.T. Brünnich, 1772 (TONNIDAE)
- Foratiscala, Genus Foratiscala De Boury, 1887 † (EPITONIIDAE) (FOSSIL)
- Forator, Genus Forator Taylor & al., 1983 † (NATICIDAE) (FOSSIL)
- Forbescieras, Genus Forbescieras † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- forbesi, Tornatellides forbesi C.M. Cooke & H.A. Pilsbry, 1915 - (ACHATINELLIDAE)
- forbesi, Amastra forbesi C.M. Cooke, 1917 - (AMASTRIDAE)
- forbesi, Ampullina forbesi G.P. Deshayes, 1864 † - (AMPULLINIDAE) (FOSSIL)
- forbesi, Perissoptera forbesi (Pictet & Campiche, 1864 †) - (APORRHAIDAE) (FOSSIL)
- forbesi, Digitaria forbesi S.V. Wood, 1874 † - (ASTARTIDAE) (FOSSIL)
- forbesi, Bucanopsis forbesi Reed, 1921 † - (BELLEROPHONTIDAE) (FOSSIL)
- forbesi, Cetoconcha forbesi (C.B. Adams, 1875) - (CETOCONCHIDAE)
- forbesi, Megacucullaea forbesi (Pictet & Campiche) † - (CUCULLAEIDAE) (FOSSIL)
- forbesi, Deshayesites forbesi (T.L. Casey, 1964 †) - (DESHAYESITIDAE) (FOSSIL)
- forbesi, Bellaspira forbesi (É.A.A. Locard, 1891) - (DRILLIIDAE)
- forbesi, Fusus forbesi Strickland † - (FASCIOLARIIDAE) (FOSSIL)
- forbesi, Ferussacia forbesi J.R. Bourguignat, 1856 - syn of: Ferussacia folliculus (J.S. Schröter, 1784) - (FERUSSACIIDAE)
- forbesi, Cimomia forbesi (d'Archiac & Haime, 1854 †) - (HERCOGLOSSIDAE) (FOSSIL)
- forbesi, Haedropleura forbesi É.A.A. Locard, 1891 - syn of: Bellaspira forbesi (É.A.A. Locard, 1891) - (HORAICLAVIDAE)
- forbesi, Hydrobia forbesi Arkell † - (HYDROBIIDAE) (FOSSIL)
- forbesi, Stagnicola forbesi (Gaudry & Fischer in Gaudry, 1867 †) - (LYMNAEIDAE) (FOSSIL)
- forbesi, Bolloceras forbesi (Barrande, 1865 †) - (NOTHOCERATIDAE) (FOSSIL)
- forbesi, Patella forbesi J. Smith, 1839 - syn of: Iothia fulva (O.F. Müller, 1776) - (PATELLIDAE)
- forbesi, Phragmoceras forbesi Barrande, 1865 † - syn of: Bolloceras forbesi (Barrande, 1865 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- forbesi, Pupinella forbesi L. Pfeiffer, 1853 - (PUPINIDAE)
- forbesi, Quenstedtia forbesi Anderson & Cox, 1948 † - (QUENSTEDTIIDAE) (FOSSIL)
- forbesi, Dikoleps forbesi F. Nordsieck, 1982 - syn of: Dikoleps nitens (R.A. Philippi, 1844) - (SKENEIDAE)
- forbesi, Tegula forbesi W.H. Dall & Oschner, 1928 † - (TEGULIDAE) (FOSSIL)
- forbesi, Nesopupa forbesi C.M. Cooke & H.A. Pilsbry, 1920 - (VERTIGINIDAE)
- forbesi, Viviparus forbesi J.R. Bourguignat, 1880 - syn of: Viviparus viviparus (C. Linnaeus, 1758) - (VIVIPARIDAE)
- forbesi, Viviparus brevis forbesi J.R. Tournouër, 1875 † - (VIVIPARIDAE) (FOSSIL)
- forbesi nanus, Tornatellides forbesi nanus C.M. Cooke & H.A. Pilsbry, 1915 - (ACHATINELLIDAE)
- forbesiana, Achatinella apexfulva forbesiana L. Pfeiffer, 1855 - (ACHATINELLIDAE)
- forbesiana, Ovactaeonina forbesiana (A.V.M.D. D'Orbigny †) - (ACTEONINIDAE) (FOSSIL)
- forbesiana, Albinaria forbesiana (L. Pfeiffer, 1846) - (CLAUSILIIDAE)
- forbesiana, Anodontites trapesialis forbesiana (I. Lea, 1860) - (MYCETOPODIDAE)
- forbesiana, Anodonta forbesiana I. Lea, 1860 - syn of: Anodontites trapesialis forbesiana (I. Lea, 1860) - (UNIONIDAE)
- forbesiana bigibbosa, Albinaria forbesiana bigibbosa (J.G.F. de Charpentier, 1847) - (CLAUSILIIDAE)
- forbesiana boettgeri, Albinaria forbesiana boettgeri H. Nordsieck, 1993 - (CLAUSILIIDAE)
- forbesianum, Phyllopachyceras forbesianum (A.V.M.D. D'Orbigny, 1850 †) - (PHYLLOCERATIDAE) (FOSSIL)
- forbesianum, Lithidion forbesianum E.A. Smith, 1899 - (POMATIIDAE)
- forbesianum, Ptychoceras forbesianum F. Stoliczka, 1866 † - (PTYCHOCERATIDAE) (FOSSIL)
- forbesianus, Macaronapaeus forbesianus P.M.A. Morelet & H. Drouët, 1857 - syn of: Napaeus atlanticus L. Pfeiffer, 1853 - (ENIDAE)
- forbesianus, Pseudaturoidea forbesianus (Blanford, 1861 †) - (HERCOGLOSSIDAE) (FOSSIL)
- forbesianus, Hemipecten forbesianus A. Adams & L.A. Reeve, 1849 - (PECTINIDAE)
- forbesianus, Unio forbesianus I. Lea, 1852 - syn of: Elliptio congaraea (I. Lea, 1831) - (UNIONIDAE)
- Forbesiceras, Genus Forbesiceras Kossmat , 1897 † (FORBESICERATIDAE) (FOSSIL)
- FORBESICERATIDAE Wright, 1952 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-ACANTHOCERATOIDEA [Superfamily]) (FOSSIL)
- forbesii, Tonicia forbesii P.P. Carpenter, 1857 - (CHITONIDAE)
- forbesii, Doto forbesii G.P. Deshayes, 1853 - syn of: Doto coronata (J.F. Gmelin, 1791) - (DOTIDAE)
- forbesii, Loligo forbesii J.J.S. Steenstrup, 1857 - (LOLIGINIDAE)
- forbesii, Bela forbesii L.A. Reeve, 1846 - syn of: Sorgenfreispira brachystoma (R.A. Philippi, 1844) - (MANGELIIDAE)
- forbesii, Thaisella forbesii (R.W. Dunker, 1853) - (MURICIDAE)
- forbesii, Sphaerium forbesii (R.A. Philippi, 1869) - (SPHAERIIDAE)
- forbesii, Pleurotoma forbesii R.P. Montrouzier in S.M. Souverbie, 1861 - syn of: Kermia tessellata (R.B. Hinds, 1843) - (TURRIDAE)
- forbesii arnheimi, Tonicia forbesii arnheimi W.H. Dall, 1903 - syn of: Tonicia arnheimi W.H. Dall, 1903 - (CHITONIDAE)
- Forbesopomus, Genus Forbesopomus Bequaert & Clench, 1937 (AMPULLARIIDAE)
- forcarti, Deroceras forcarti A.V. Grossu & D. Lupu, 1961 - (AGRIOLIMACIDAE)
- forcarti, Paludinella forcarti W.S.S. Van Benthem-Jutting, 1958 - (ASSIMINEIDAE)
- forcarti, Bithynia forcarti P. Glöer & V.M. Pešic, 2012 - (BITHYNIIDAE)
- forcarti, Illunellaria forcarti H. Nordsieck, 1995 - (CLAUSILIIDAE)
- forcarti, Cristataria forcarti (H. Nordsieck, 1971) - (CLAUSILIIDAE)
- forcarti, Nuculana forcarti P.O. Jung, 1965 † - (NUCULANIDAE) (FOSSIL)
- forcarti, Anulotaia forcarti R.A.M. Brandt, 1968 - (VIVIPARIDAE)
- forcarti, Aegopinella forcarti F. Riedel, 1983 - (ZONITIDAE)
- Forcartia, Genus Forcartia W.J. Clench & H. Turner, 1962 (CAMAENIDAE)
- forcartiana, Turanena forcartiana P. Schnell, 1979 - (ENIDAE)
- Forcartiella, Subgenus Oxychilus (Forcartiella) F. Riedel, 1966 (OXYCHILIDAE)
- Forcartulus, Genus Forcartulus J.W. Thomé, 1976 (VERONICELLIDAE)
- forcellii, Mangelia forcellii L. Bozzetti, 2014 - (MANGELIIDAE)
- Forcepimenia, Genus Forcepimenia L. Salvini-Plawén, 1968 (PRUVOTINIDAE)
- forceps, Megalauchenia proctostoma forceps (F.E. Loosjes & F.E. Loosjes, 1973) - (CLAUSILIIDAE)
- forceps, Fusinus forceps (G. Perry, 1811) - (FASCIOLARIIDAE)
- forceps, Murex forceps G. Perry, 1811 - syn of: Fusinus forceps (G. Perry, 1811) - (MURICIDAE)
- forceps salisburyi, Fusinus forceps salisburyi H.C. Fulton, 1930 - syn of: Fusinus salisburyi H.C. Fulton, 1930 - (FASCIOLARIIDAE)
- forcipifer, Acanthoclymenia forcipifer (C.L.F. von Sandberger, 1850 †) - (ACANTHOCLYMENIIDAE) (FOSSIL)
- forcipifer, Goniatites forcipifer C.L.F. von Sandberger, 1850 † - syn of: Acanthoclymenia forcipifer (C.L.F. von Sandberger, 1850 †) - (GONIATITIDAE) (FOSSIL)
- fordei, Therasia fordei (J.W. Brazier, 1871) - (CHAROPIDAE)
- fordi, Mitra fordi H.A. Pilsbry & J.T.L. McGinty, 1949 - syn of: Mitra semiferruginea L.A. Reeve, 1845 - (MITRIDAE)
- fordi, Typhis fordi H.A. Pilsbry, 1943 - syn of: Pterynotus alatus (P.F. Röding, 1798) - (MURICIDAE)
- fordi, Nippononaia fordi G.M. Barker & al., 1997 † - (NIPPONONAIIDAE) (FOSSIL)
- fordiana, Natica fordiana C.T. Simpson, 1887 - syn of: Sigatica semisulcata (Gray, 1839) - (NATICIDAE)
- fordiana, Tricolia fordiana (H.A. Pilsbry, 1888) - (PHASIANELLIDAE)
- fordianus, Lamellaxis fordianus (C.M.F. Ancey, 1886) - (SUBULINIDAE)
- fordii, Drymaeus fordii H.A. Pilsbry, 1898 - (BULIMULIDAE)
- fordii, Cerion fordii H.A. Pilsbry & E.G. Vanatta, 1897 - (CERIONIDAE)
- fordii, Mangelia fordii E.A. Smith, 1888 - (MANGELIIDAE)
- fordii, Oliva irisans fordii C.W. Johnson, 1910 - (OLIVIDAE)
- fordii, Globivenus fordii (L.G. Yates, 1890) - (VENERIDAE)
- fordii, Venus fordii L.G. Yates, 1890 - syn of: Globivenus fordii (L.G. Yates, 1890) - (VENERIDAE)
- fordii submarmoratum, Cerion fordii submarmoratum H.A. Pilsbry & E.G. Vanatta, 1897 - (CERIONIDAE)
- Fordilla, Genus Fordilla Barrande, 1881 † (FORDILLIDAE) (FOSSIL)
- FORDILLIDAE Pojeta, 1975 † - Family (BIVALVIA-FORDILLIDA [Order]-FORDILLOIDEA [Superfamily]) (FOSSIL)
- fordti, Dicoelites fordti Krimholz, 1931 † - (DICOELITIDAE) (FOSSIL)
- fordycei, Eoscaphella fordycei J.D. Stilwell & Zinsmeister, 1992 † - (VOLUTIDAE) (FOSSIL)
- foreli, Megalobulimus foreli (J.C. Bequaert, 1948) - (MEGALOBULIMIDAE)
- forelli, Megalobulimus forelli (L.A. Reeve, 1851) - (MEGALOBULIMIDAE)
- forelli, Pisidium forelli S. Clessin, 1874 - syn of: Pisidium nitidum L. Jenyns, 1832 - (SPHAERIIDAE)
- foremani, Stewartia foremani (T.A. Conrad, 1841 †) - (LUCINIDAE) (FOSSIL)
- foremani, Leptoxis foremani I. Lea, 1843 - (PLEUROCERIDAE)
- foremaniana, Sagda foremaniana (C.B. Adams, 1850) - (SAGDIDAE)
- foremanianus, Ptychobranchus foremanianus (I. Lea, 1842) - (UNIONIDAE)
- forense, Pisidium forense C. Meier-Brook, 1967 - (SPHAERIIDAE)
- forensis, Helix forensis T.V. Wollaston, 1878 - syn of: Leptaxis wollastoni forensis T.V. Wollaston, 1878 - (HELICIDAE)
- forensis, Leptaxis wollastoni forensis T.V. Wollaston, 1878 - (HYGROMIIDAE)
- foresti, Craspedochiton foresti (E.H.J. Leloup, 1965) - (ACANTHOCHITONIDAE)
- foresti, Niso foresti P. Bouchet & A. Warén, 1986 - (EULIMIDAE)
- foresti, Fissurella foresti F. Salvat, 1967 - syn of: Fissurella salvatiana J.M.J. Christiaens, 1974 - (FISSURELLIDAE)
- foresti, Leptochiton foresti (E.H.J. Leloup, 1981) - (LEPTOCHITONIDAE)
- foresti, Ledella foresti (B. Métivier, 1982) - (NUCULANIDAE)
- foresti, Pecten foresti A. Martin in C. Gay, 1858 - syn of: Similipecten similis (J.C. Laskey, 1811) - (PECTINIDAE)
- foresti, Globivenus foresti (E. Fischer-Piette & A.M. Testud, 1967) - (VENERIDAE)
- foresti, Tivela foresti E. Fischer-Piette & A.M. Testud, 1967 - syn of: Tivela fulminata (J.B.G.M. Bory De Saint-Vincent, 1827) - (VENERIDAE)
- foresti, Ventricolaria foresti E. Fischer-Piette & A.M. Testud, 1967 - syn of: Globivenus foresti (E. Fischer-Piette & A.M. Testud, 1967) - (VENERIDAE)
- foresti, Gouldia foresti E. Fischer-Piette & A.M. Testud, 1967 - syn of: Gouldia cerina (Adams, 1845) - (VENERIDAE)
- Forestia, syn of: Genus Calma J. Alder & A. Hancock, 1855 (CALMIDAE)
- forestieri, Cancellaria forestieri R.P. Montrouzier, 1863 - syn of: Scalptia contabulata (G.B. I Sowerby, 1832) - (CANCELLARIIDAE)
- forestieri, Allochroa forestieri (J. Alder & A. Hancock, 1854) - (ELLOBIIDAE)
- forestii, Trophonopsis forestii G. Ruggieri, 1947 - syn of: Trophonopsis muricata (G. Montagu, 1803) - (MURICIDAE)
- forestii coeni, Trophonopsis forestii coeni G. Ruggieri, 1947 - syn of: Trophonopsis muricata (G. Montagu, 1803) - (MURICIDAE)
- forficatum, Coroniceras forficatum (Strickland ex Buckman MS) † - (ARIETITIDAE) (FOSSIL)
- forficatus, Myoforceps forficatus E. Ravenel, 1861 - syn of: Lithophaga aristata L.W. Dillwyn, 1817 - (MYTILIDAE)
- forgemoli, Venericardia forgemoli (Coquand, 1862 †) - (CARDITIDAE) (FOSSIL)
- foris, Austropyrgus foris A. Clark, W.B. Miller & W.F. Ponder, 2003 - (HYDROBIIDAE)
- formabile, Ledellina formabile Z.A. Filatova & A.A. Schileyko, 1984 - (NUCULANIDAE)
- formai, Sphaerocina formai (Audenino, 1897 †) - (SPHAEROCINIDAE) (FOSSIL)
- formalis, Punctum formalis T. Iredale, 1944 - (PUNCTIDAE)
- formalis planorum, Punctum formalis planorum T. Iredale, 1944 - (PUNCTIDAE)
- formani, Bellerophon formani Dickins, 1963 † - (BELLEROPHONTIDAE) (FOSSIL)
- formani, Leptoxis formani (I. Lea, 1843) - (PLEUROCERIDAE)
- formaviscala, Pyrgulina formaviscala Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- formenterae, Xerocrassa formenterae S.G.A. Jaeckel, 1952 - syn of: Amandana ebusitana (J.G. Hidalgo, 1869) - (HYGROMIIDAE)
- formenterensis, Amandana caroli formenterensis F. Schröder, 1984 - (HYGROMIIDAE)
- formica, Indoennea formica (A.R.J.B. Bavay & P. Dautzenberg, 1912) - (DIAPHERIDAE)
- formica, Bela ginnania formica F. Nordsieck, 1977 - (MANGELIIDAE)
- formicacorsii, Megalobulimus oblongus formicacorsii Barattini & L.O. Alcalde, 1949 - (MEGALOBULIMIDAE)
- formicacorsii, Olivella formicacorsii M.A. Klappenbach, 1962 - (OLIVELLIDAE)
- formicaria, Costasiella formicaria (K. Baba, 1959) - (COSTASIELLIDAE)
- formicaria, Simnia formicaria J.K. Allan, 1956 - syn of: Simnia avena (G.B. II Sowerby, 1832) - (OVULIDAE)
- formicarum, Alvania formicarum S. Gofas, 1989 - (RISSOIDAE)
- formicula, Austroginella formicula (J.B.P.A. Lamarck, 1822) - (MARGINELLIDAE)
- formicula, Marginella formicula J.B.P.A. Lamarck, 1822 - syn of: Austroginella formicula (J.B.P.A. Lamarck, 1822) - (MARGINELLIDAE)
- formidabilis, Inquisitor formidabilis C. Hedley, 1922 - (PSEUDOMELATOMIDAE)
- Forminigera, Subgenus Hemiphaedusa (Forminigera) W.A. Lindholm, 1925 (CLAUSILIIDAE)
- formosa, Notoplax formosa (L.A. Reeve, 1847) - (ACANTHOCHITONIDAE)
- formosa, Globularia formosa Morris & J. Lycett, 1851 † - (AMPULLINIDAE) (FOSSIL)
- formosa, Angaria formosa (L.A. Reeve, 1843) - (ANGARIIDAE)
- formosa, Helicaulax formosa L.W. Stephenson, 1955 † - (APORRHAIDAE) (FOSSIL)
- formosa, Rothpletzella formosa (Morris & Lycett) † - (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- formosa, Anadara formosa (G.B. I Sowerby, 1833) - (ARCIDAE)
- formosa, Arca formosa G.B. I Sowerby, 1833 - syn of: Anadara formosa (G.B. I Sowerby, 1833) - (ARCIDAE)
- formosa, Agardhiella formosa (L. Pfeiffer, 1848) - (ARGNIDAE)
- formosa, Agardhiella formosa C.A. Westerlund, 1887 - syn of: Agardhiella formosa (L. Pfeiffer, 1848) - (ARGNIDAE)
- formosa, Armina formosa (E.F. Kelaart, 1858) - (ARMINIDAE)
- formosa, Costatoaphanaia formosa (Astaf'yeva, 1988 †) - (ATOMODESMATIDAE) (FOSSIL)
- formosa, Manaria formosa P. Bouchet & A. Warén, 1986 - (BUCCINIDAE)
- formosa, Meteuthria formosa (K.H.J. Thiele, 1925) - (BUCCINIDAE)
- formosa, Calliostoma formosa J.W. Mighels, 1842 - syn of: Calliostoma gemmulatum P.P. Carpenter, 1864 - (CALLIOSTOMATIDAE)
- formosa, Cardita formosa W.H. Turton, 1932 - syn of: Coripia agulhasensis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (CARDITIDAE)
- formosa, Alabina formosa W.H. Turton, 1932 - syn of: Finella natalensis (E.A. Smith, 1899) - (CERITHIIDAE)
- formosa, Agathylla formosa E.A. Rossmässler - (CLAUSILIIDAE)
- formosa, Macrozafra formosa J. Marwick, 1943 † - (COLUMBELLIDAE) (FOSSIL)
- formosa, Columbella formosa J.S. Gaskoin, 1851 - syn of: Mitrella bicincta formosa (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- formosa, Mitrella bicincta formosa (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- formosa, Tahuia formosa (R.S. Allan, 1926 †) - (CONOIDEA (UNASSIGNED)) (FOSSIL)
- formosa, Cuneocorbula formosa Devjatilova & Volobueva, 1981 † - (CORBULIDAE) (FOSSIL)
- formosa, Exelissa formosa (Lycett) † - (CRYPTAULACIDAE) (FOSSIL)
- formosa, Cuspidaria formosa A.E. Verrill & K.J. Bush, 1898 - (CUSPIDARIIDAE)
- formosa, Globiconcha formosa (Cragin, 1893 †) - (CYLINDROBULLINIDAE) (FOSSIL)
- formosa, Cymaclymenia formosa W. Korn, 2014 † - (CYMACLYMENIIDAE) (FOSSIL)
- formosa, Erronea formosa J.E. Gray, 1824 - syn of: Erronea cylindrica (I. von Born, 1778) - (CYPRAEIDAE)
- formosa, Dufrenoyia formosa T.L. Casey, 1964 † - (DESHAYESITIDAE) (FOSSIL)
- formosa, Halgerda formosa L.S.R. Bergh, 1880 - (DISCODORIDIDAE)
- formosa, Platydoris formosa (J. Alder & A. Hancock, 1864) - (DISCODORIDIDAE)
- formosa, Albania formosa C. Collingwood, 1881 - syn of: Hexabranchus sanguineus (W.P.E.S. Rüppell & F.S. Leuckart, 1830) - (DORIDIDAE)
- formosa, Doto formosa A.E. Verrill, 1875 - (DOTIDAE)
- formosa, Epitonium formosa T.A. de M. Monterosato, 1875 - syn of: Epitonium pseudonanum P. Bouchet & A. Warén, 1986 - (EPITONIIDAE)
- formosa, Fissurella formosa F. Salvat, 1967 - (FISSURELLIDAE)
- formosa, Galeomma formosa G.P. Deshayes, 1856 - (GALEOMMATIDAE)
- formosa, Galeomma formosa A. Scacchi, 1833 - syn of: Galeomma turtoni W. Turton, 1825 - (GALEOMMATIDAE)
- formosa, Glycymeris formosa (L.A. Reeve, 1843) - (GLYCYMERIDIDAE)
- formosa, Abylea formosa Hoare & al., 1997 † - (GOSSELETINIDAE) (FOSSIL)
- formosa, Igorella formosa C. Chen & al. 1981 † - (HELCIONELLIDAE) (FOSSIL)
- formosa, Aplysiopsis formosa A. Pruvot-Fol, 1953 - (HERMAEIDAE)
- formosa, Hero formosa (S.L. Lovén, 1844) - (HEROIDAE)
- formosa, Lepidozona formosa A. Ferreira, 1974 - (ISCHNOCHITONIDAE)
- formosa, Lottia formosa (J.M.J. Christiaens, 1980) - (LOTTIIDAE)
- formosa, Tectura formosa Gardner † - (LOTTIIDAE) (FOSSIL)
- formosa, Collisella formosa J.M.J. Christiaens, 1980 - syn of: Lottia formosa (J.M.J. Christiaens, 1980) - (LOTTIIDAE)
- formosa, Allogramma formosa (J.G. Jeffreys, 1882) - (LYONSIELLIDAE)
- formosa, Lyonsiella formosa J.G. Jeffreys, 1882 - syn of: Allogramma formosa (J.G. Jeffreys, 1882) - (LYONSIELLIDAE)
- formosa, Lyonsia formosa J.G. Jeffreys, 1882 - syn of: Allogramma formosa (J.G. Jeffreys, 1882) - (LYONSIIDAE)
- formosa, Mitra formosa A. Garrett, 1880 - syn of: Vexillum deshayesii (L.A. Reeve, 1844) - (MITRIDAE)
- formosa, Swainsonia formosa W.H. Pease, 1868 - syn of: Swainsonia fusca (W.J. Swainson, 1824) - (MITRIDAE)
- formosa, Neocancilla formosa A. Adams, 1853 - syn of: Neocancilla arenacea (R.W. Dunker, 1852) - (MITRIDAE)
- formosa, Mitromorpha formosa (J. Marwick, 1931 †) - (MITROMORPHIDAE) (FOSSIL)
- formosa, Aclisina formosa Mark, 1912 † - syn of: Donaldina stevensana (F.B. Meek & A.H. Worthen, 1866 †) - (MURCHISONIIDAE) (FOSSIL)
- formosa, Leionucula formosa T. Nagao, 1930 † - (NUCULIDAE) (FOSSIL)
- formosa, Oliva formosa F.P. Marrat, 1870 - syn of: Americoliva reticularis (J.B.P.A. Lamarck, 1811) - (OLIVIDAE)
- formosa, Cuspivolva formosa (G.B. II Sowerby in A. Adams & L.A. Reeve, 1848) - (OVULIDAE)
- formosa, Crenavolva formosa F.A. Schilder, 1941 - syn of: Crenavolva traillii (A. Adams, 1855) - (OVULIDAE)
- formosa, Ovula formosa J.C. Verco, 1935 - syn of: Cuspivolva platysia (C.N. Cate, 1973) - (OVULIDAE)
- formosa, Primovula formosa F.A. Schilder, 1941 - syn of: Crenavolva traillii (A. Adams, 1855) - (OVULIDAE)
- formosa, Ovula formosa G.B. II Sowerby in A. Adams & L.A. Reeve, 1848 - syn of: Cuspivolva formosa (G.B. II Sowerby in A. Adams & L.A. Reeve, 1848) - (OVULIDAE)
- formosa, Partula formosa W.H. Pease - (PARTULIDAE)
- formosa, Partula formosa A. Garrett, 1884 - syn of: Partula dentifera L. Pfeiffer, 1853 - (PARTULIDAE)
- formosa, Helcion dunkeri formosa (W.H. Turton, 1932) - (PATELLIDAE)
- formosa, Philine formosa W. Stimpson, 1850 - syn of: Philine quadrata (W. Wood, 1839) - (PHILINIDAE)
- formosa, Leptoxis formosa I. Lea, 1860 - (PLEUROCERIDAE)
- formosa, Pleurodonte formosa A.E.J. Férussac, 1821 - (PLEURODONTIDAE)
- formosa, Tropidophora formosa G.B. Sowerby, 1849 - (POMATIIDAE)
- formosa, Khetella formosa (K.E.I. von Eichwald †) - (PSEUDOTRITONIIDAE) (FOSSIL)
- formosa, Pteria formosa (L.A. Reeve, 1857) - (PTERIIDAE)
- formosa, Purpurina formosa (K.E.I. von Eichwald, 1868 †) - (PURPURINIDAE) (FOSSIL)
- formosa, Turbonilla formosa (J.G. Jeffreys, 1848) - (PYRAMIDELLIDAE)
- formosa, Odostomia formosa J.G. Jeffreys, 1848 - syn of: Turbonilla rufa (R.A. Philippi, 1836) - (PYRAMIDELLIDAE)
- formosa, Turbonilla formosa A.E. Verrill & S. Smith, 1880 - syn of: Turbonilla bushiana A.E. Verrill, 1882 - (PYRAMIDELLIDAE)
- formosa, Sassia formosa (G.P. Deshayes, 1865 †) - (RANELLIDAE) (FOSSIL)
- formosa, Pleurotomella formosa J.G. Jeffreys, 1883 - syn of: Pleurotomella packardii A.E. Verrill, 1872 - (RAPHITOMIDAE)
- formosa, Rissoina formosa (C.K. Chang & W.L. Wu, 2004) - (RISSOINIDAE)
- formosa, Seguenzia formosa J.G. Jeffreys, 1876 - (SEGUENZIIDAE)
- formosa, Semele formosa (G.B. I Sowerby, 1833) - (SEMELIDAE)
- formosa, Lodderena formosa A.W.B. Powell, 1930 - (SKENEIDAE)
- formosa, Arctoeuglesa formosa L.A. Prozorova, 1988 - syn of: Pisidium lilljeborgi S. Clessin, 1886 - (SPHAERIIDAE)
- formosa, Hebeinella formosa Zhang, 1980 † - (STENOTHECOIDA INCERTAE SEDIS) (FOSSIL)
- formosa, Strabina formosa Prantl & Ružicka, 1954 † - (STRABIDAE) (FOSSIL)
- formosa, Gulella formosa T. Kira, 1955 - (STREPTAXIDAE)
- formosa, Tellina formosa S.C.T. Hanley, 1844 - (TELLINIDAE)
- formosa, Linearis formosa F.B. Meek & Hayden, 1861 † - (TELLINIDAE) (FOSSIL)
- formosa, Terebra formosa G.P. Deshayes, 1857 - (TEREBRIDAE)
- formosa, Triphora formosa G.P. Deshayes, 1863 - (TRIPHORIDAE)
- formosa, Gregoia formosa D. Fehse, 2015 - (TRIVIIDAE)
- formosa, Trivia formosa J.S. Gaskoin, 1836 - syn of: Trivellona suavis (F.A. Schilder, 1931) - (TRIVIIDAE)
- formosa, Pleurotoma formosa L.A. Reeve, 1846 - syn of: Clavus formosus (L.A. Reeve, 1846) - (TURRIDAE)
- formosa, Cytherea formosa G.B. II Sowerby, 1851 - syn of: Meretrix lusoria (P.F. Röding, 1798) - (VENERIDAE)
- formosa, Spinomelon formosa (C.R. Laws, 1935 †) - (VOLUTIDAE) (FOSSIL)
- formosa, Microstelma formosa C.K. Chang & W.L. Wu, 2004 - syn of: Rissoina formosa (C.K. Chang & W.L. Wu, 2004) - (ZEBINIDAE)
- formosa, Gyralina formosa F. Riedel & P. Subai, 1993 - (ZONITIDAE)
- formosa curta, Pleurotomella formosa curta É.A.A. Locard, 1897 - syn of: Pleurotomella packardii A.E. Verrill, 1872 - (RAPHITOMIDAE)
- formosa curta, Pleurotoma formosa curta É.A.A. Locard, 1897 - syn of: Pleurotomella packardii A.E. Verrill, 1872 - (TURRIDAE)
- formosa insculpta, Dufrenoyia formosa insculpta T.L. Casey, 1964 † - (DESHAYESITIDAE) (FOSSIL)
- formosa major, Lyonsia formosa major É.A.A. Locard, 1898 - syn of: Allogramma formosa (J.G. Jeffreys, 1882) - (LYONSIIDAE)
- formosa scalaroides, Turbonilla formosa scalaroides F. Nordsieck, 1972 - (PYRAMIDELLIDAE)
- formosa transversa, Lyonsia formosa transversa É.A.A. Locard, 1898 - syn of: Allogramma formosa (J.G. Jeffreys, 1882) - (LYONSIIDAE)
- formosa tumida, Glycymeris formosa tumida (P. Dautzenberg, 1906) - (GLYCYMERIDIDAE)
- formosa verruculastra, Semele formosa verruculastra A.M. Keen, 1966 - (SEMELIDAE)
- formosae, Eburna formosae G.B. II Sowerby, 1866 - syn of: Babylonia formosae (G.B. II Sowerby, 1866) - (ANCILLARIIDAE)
- formosae, Babylonia formosae (G.B. II Sowerby, 1866) - (BABYLONIIDAE)
- formosae, Coecella formosae L.A. de Rooij-Schuiling, 1972 - (MESODESMATIDAE)
- formosae habei, Babylonia formosae habei C.O. Van Regteren Altena & E. Gittenberger, 1981 - (BABYLONIIDAE)
- formosaensis, Cyclophorus formosaensis G. Nevill, 1882 - (CYCLOPHORIDAE)
- formosaensis interioris, Cyclophorus formosaensis interioris H.A. Pilsbry & Y. Hirase, 1908 - (CYCLOPHORIDAE)
- formosaensis moellendorffi, Cyclophorus formosaensis moellendorffi P.B. Schmacker & O. Böttger, 1891 - (CYCLOPHORIDAE)
- formosana, Indoplacuna formosana Kanno & Chung 1973 † - (ANOMIIDAE) (FOSSIL)
- Formosana, Subgenus Oospira (Formosana) O. Böttger, 1877 (CLAUSILIIDAE)
- formosana, Japonia formosana H.A. Pilsbry & Y. Hirase, 1905 - (CYCLOPHORIDAE)
- formosana, Cyrenodonax formosana W.H. Dall, 1903 - (CYRENIDAE)
- formosana, Palaina formosana H.A. Pilsbry & Y. Hirase, 1905 - (DIPLOMMATINIDAE)
- formosana, Coneuplecta trochulus formosana (P.B. Schmacker & O. Böttger, 1891) - (EUCONULIDAE)
- formosana, Petalochlamys formosana (P.B. Schmacker & O. Böttger, 1891) - (HELICARIONIDAE)
- formosana, Petalochlamys formosana H.A. Pilsbry & Y. Hirase, 1908 - syn of: Petalochlamys formosana (P.B. Schmacker & O. Böttger, 1891) - (HELICARIONIDAE)
- formosana, Contrasimnia formosana (M. Azuma, 1972) - (OVULIDAE)
- formosana, Oncomelania hupensis formosana H.A. Pilsbry & Y. Hirase, 1905 - (POMATIOPSIDAE)
- formosana, Ebalina formosana (S. Nomura, 1938) - (PYRAMIDELLIDAE)
- formosana, Odostomia formosana S. Nomura, 1938 - syn of: Ebalina formosana (S. Nomura, 1938) - (PYRAMIDELLIDAE)
- formosana, Zebinella formosana (S. Nomura, 1935 †) - (RISSOINIDAE) (FOSSIL)
- formosana, Varicospira formosana (M. Yokoyama, 1928) - (ROSTELLARIIDAE)
- formosana, Stenothyra formosana H.A. Pilsbry & Y. Hirase, 1906 - (STENOTHYRIDAE)
- formosana, Melanoides formosana E.A. Smith, 1878 - syn of: Melanoides tuberculata formosensis (E.A. Smith, 1878) - (THIARIDAE)
- formosana, Videna formosana H.A. Pilsbry & Y. Hirase, 1905 - (TROCHOMORPHIDAE)
- formosana, Bolma formosana T. Shikama, 1977 - syn of: Bolma millegranosa (J.T. Kuroda & T. Habe in T. Habe, 1958) - (TURBINIDAE)
- formosana, Fulgoraria formosana (M. Azuma, 1967) - (VOLUTIDAE)
- formosana, Musashia formosana M. Azuma, 1967 - syn of: Fulgoraria formosana (M. Azuma, 1967) - (VOLUTIDAE)
- Formosanella, Subgenus Oospira (Formosanella) H. Nordsieck 2003 (CLAUSILIIDAE)
- formosanum, Aphanoconia hungerfordianum formosanum (P.B. Schmacker & O. Böttger, 1891) - (HELICINIDAE)
- formosense, Calliostoma formosense E.A. Smith, 1907 - (CALLIOSTOMATIDAE)
- formosense, Vexillum formosense (G.B. III Sowerby, 1889) - (COSTELLARIIDAE)
- formosense minahassae, Vexillum formosense minahassae (M.M. Schepman, 1907) - (COSTELLARIIDAE)
- formosensis, Bathytoma formosensis J.L. Vera-Peláez, 2004 - (BORSONIIDAE)
- formosensis, Dolicheulota formosensis (A. Adams, 1866) - (BRADYBAENIDAE)
- formosensis, Satsuma formosensis (L. Pfeiffer, 1865) - (CAMAENIDAE)
- formosensis, Formosana formosensis (A. Adams, 1873) - (CLAUSILIIDAE)
- formosensis, Corbula formosensis T. Habe, 1949 - syn of: Corbula fortisulcata E.A. Smith, 1879 - (CORBULIDAE)
- formosensis, Cyclophorus formosensis G. Nevill, 1882 - syn of: Cyclophorus formosaensis G. Nevill, 1882 - (CYCLOPHORIDAE)
- formosensis, Mitra formosensis G.B. III Sowerby, 1889 - syn of: Vexillum formosense (G.B. III Sowerby, 1889) - (MITRIDAE)
- formosensis, Philomycus formosensis T.D.A. Cockerell, 1890 - syn of: Meghimatium bilineatum (W.H. Benson, 1842) - (PHILOMYCIDAE)
- formosensis, Melanoides tuberculata formosensis (E.A. Smith, 1878) - (THIARIDAE)
- formosensis, Cipangopaludina chinensis formosensis (W. Kobelt, 1876) - (VIVIPARIDAE)
- formosensis albida, Formosana formosensis albida (C.K. Chang, 1991) - (CLAUSILIIDAE)
- formosensis hotawana, Formosana formosensis hotawana (H.A. Pilsbry, 1909) - (CLAUSILIIDAE)
- formosensis paraformosensis, Formosana formosensis paraformosensis (P. Ehrmann, 1954) - (CLAUSILIIDAE)
- formosiformis, Khetella formosiformis A.V. Guzhov, 2004 † - (PSEUDOTRITONIIDAE) (FOSSIL)
- formosior, Fusolatirus formosior (J.C. Melvill, 1891) - (FASCIOLARIIDAE)
- formosissima, Scalaria formosissima J.G. Jeffreys, 1884 - syn of: Eccliseogyra formosissima (J.G. Jeffreys, 1884) - (EPITONIIDAE)
- formosissima, Eccliseogyra formosissima (J.G. Jeffreys, 1884) - (NYSTIELLIDAE)
- formosissima, Skeneoides formosissima F. Ghisotti, 1977 - syn of: Skeneoides jeffreysii (T.A. de M. Monterosato, 1872) - (SKENEIDAE)
- formosissima, Polystira formosissima (Smith, 1915) - (TURRIDAE)
- formosissimum, Calliostoma formosissimum (G. Seguenza, 1876 †) - (CALLIOSTOMATIDAE) (FOSSIL)
- formosissimum, Columbarium formosissimum J.R. le B. Tomlin, 1928 - (TURBINELLIDAE)
- formosissimus, Skeneoides formosissimus G.A. Brugnone, 1873 - syn of: Skeneoides jeffreysii (T.A. de M. Monterosato, 1872) - (SKENEIDAE)
- formosita, Alvania formosita C.F. Laseron, 1956 - syn of: Alvania novarensis G.R. von Frauenfeld, 1867 - (RISSOIDAE)
- formosula, Cardita formosula É.A.A. Locard, 1892 - syn of: Cardita calyculata (C. Linnaeus, 1758) - (CARDITIDAE)
- formosula, Iniforis formosula (R.P.J. Hervier, 1898) - (TRIPHORIDAE)
- formosula, Triphora formosula R.P.J. Hervier, 1898 - syn of: Iniforis formosula (R.P.J. Hervier, 1898) - (TRIPHORIDAE)
- formosulus, Inoceramus formosulus Voronetz, 1937 † - (INOCERAMIDAE) (FOSSIL)
- Formosulus, Genus Formosulus Zhezhchenko, 1934 † (MYIDA (UNASSIGNED)) (FOSSIL)
- formosulus, Mytiloceramus formosulus Voronetz, 1937 † - syn of: Inoceramus elburzensis Fantini, 1966 † - (PTERIIDA (unassigned)) (FOSSIL)
- formosum, Solarium formosum R.B. Hinds, 1844 - syn of: Architectonica perspectiva (C. Linnaeus, 1767) - (ARCHITECTONICIDAE)
- formosum, Calliostoma formosum G. McAndrew & E. Forbes, 1847 - syn of: Calliostoma occidentale (J.W. Mighels & C.B. Adams, 1842) - (CALLIOSTOMATIDAE)
- formosum, Anechinocardium formosum (C.J.S. Hickman, 1969 †) - (CARDIIDAE) (FOSSIL)
- formosum, Loxocardium formosum (G.P. Deshayes, 1858 †) - (CARDIIDAE) (FOSSIL)
- formosum, Nemocardium formosum C.J.S. Hickman, 1969 † - syn of: Anechinocardium formosum (C.J.S. Hickman, 1969 †) - (CARDIIDAE) (FOSSIL)
- formosum, Conocardium formosum Hoare, 2002 † - (CONOCARDIIDAE) (FOSSIL)
- formosum, Pictodentalium formosum (A. Adams & L.A. Reeve, 1850) - (DENTALIIDAE)
- formosum, Protechioceras formosum (Fucini 1902 †) - (ECHIOCERATIDAE) (FOSSIL)
- formosum, Gastrioceras formosum J.E. McCaleb, 1963 † - (GASTRIOCERATIDAE) (FOSSIL)
- formosum, Graphoceras formosum (Buckman) † - (GRAPHOCERATIDAE) (FOSSIL)
- formosum, Fuciniceras formosum Wiedenmayer, 1977 † - (HILDOCERATIDAE) (FOSSIL)
- formosum, Amusium japonicum formosum T. Habe, 1964 - (PECTINIDAE)
- formosum, Cyclonema formosum J. Perner, 1903 † - (PLATYCERATIDAE) (FOSSIL)
- formosum, Parvamussium formosum (J.C. Melvill in J.C. Melvill & R. Standen, 1907) - (PROPEAMUSSIIDAE)
- formosum, Tylostoma formosum Cragin, 1893 † - syn of: Globiconcha formosa (Cragin, 1893 †) - (TYLOSTOMATIDAE) (FOSSIL)
- formosum harrisoni, Pictodentalium formosum harrisoni T. Habe, 1970 - syn of: Pictodentalium formosum (A. Adams & L.A. Reeve, 1850) - (DENTALIIDAE)
- formosum hirasei, Pictodentalium formosum hirasei T. Kira, 1959 - syn of: Pictodentalium formosum (A. Adams & L.A. Reeve, 1850) - (DENTALIIDAE)
- formosus, Notoplax formosus L.A. Reeve, 1847 - syn of: Notoplax formosa (L.A. Reeve, 1847) - (ACANTHOCHITONIDAE)
- formosus, Calliostoma formosus Mac Andrew & E. Forbes, 1842 - syn of: Calliostoma occidentale (J.W. Mighels & C.B. Adams, 1842) - (CALLIOSTOMATIDAE)
- formosus, Cylindrites formosus Cragin, 1893 † - syn of: Globiconcha formosa (Cragin, 1893 †) - (CEPHALASPIDAE) (FOSSIL)
- formosus, Cymatoceras formosus (Blanford, 1861 †) - (CYMATOCERATIDAE) (FOSSIL)
- formosus, Clavus formosus (L.A. Reeve, 1846) - (DRILLIIDAE)
- formosus, Fossacerithium formosus K.E.I. von Eichwald, 1868 † - syn of: Purpurina formosa (K.E.I. von Eichwald, 1868 †) - (FASCIOLARIIDAE) (FOSSIL)
- formosus, Fusus formosus K.E.I. von Eichwald, 1868 † - syn of: Purpurina formosa (K.E.I. von Eichwald, 1868 †) - (FASCIOLARIIDAE) (FOSSIL)
- formosus, Galeomma formosus G.P. Deshayes, 1856 - syn of: Galeomma formosa G.P. Deshayes, 1856 - (GALEOMMATIDAE)
- formosus, Goniochilus glandulinus formosus (Troll, 1907 †) - (HYDROBIIDAE) (FOSSIL)
- formosus, Metabactrites formosus Bogoslovsky, 1972 † - (MIMOSPHINCTIDAE) (FOSSIL)
- formosus, Eosoconus formosus Yü, 1979 † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- formosus, Siratus formosus (Sowerby, 1841) - (MURICIDAE)
- formosus, Nassarius formosus (W.H. Turton, 1932) - (NASSARIIDAE)
- formosus, Paroecotraustes formosus Arkell, 1951 † - (OPPELIIDAE) (FOSSIL)
- formosus, Helicocyclus formosus D. Korn & al., 2010 † - (PERICYCLIDAE) (FOSSIL)
- formosus, Gyraulus formosus (Š. Brusina, 1902) - (PLANORBIDAE)
- formosus, Monoplex formosus G. Perry, 1811 - syn of: Ranularia gutturnia (P.F. Röding, 1798) - (RANELLIDAE)
- formosus, Nodonautilus formosus Liang, 1984 † - (TAINOCERATIDAE) (FOSSIL)
- formosus, Ueckerconulus formosus J. Gründel , 2000 † - (TROCHIDAE) (FOSSIL)
- formosus, Trochus formosus G. McAndrew & E. Forbes, 1847 - syn of: Calliostoma occidentale (J.W. Mighels & C.B. Adams, 1842) - (TROCHIDAE)
- formosus, Discotropites formosus Smith, 1927 † - (TROPITIDAE) (FOSSIL)
- formosus, Macroceramus formosus W. Wood, 1828 - (UROCOPTIDAE)
- formulosa, Triphora formulosa R.P.J. Hervier, 1898 - (TRIPHORIDAE)
- formulosum, Caecum formulosum L. de Folin, 1869 - syn of: Caecum imbricatum Carpenter, 1858 - (CAECIDAE)
- formulosum paucicostata, Caecum formulosum paucicostata L. de Folin, 1869 - syn of: Caecum imbricatum Carpenter, 1858 - (CAECIDAE)
- formulosum simplex, Caecum formulosum simplex L. de Folin, 1869 - syn of: Caecum imbricatum Carpenter, 1858 - (CAECIDAE)
- formulosum sulcata, Caecum formulosum sulcata L. de Folin, 1869 - syn of: Caecum imbricatum Carpenter, 1858 - (CAECIDAE)
- fornasinianum, Cardium fornasinianum J.J. Bianconi, 1856 - syn of: Fulvia fragilis (P. Forsskål in C. Niebuhr, 1775) - (CARDIIDAE)
- fornax, Styloptyx fornax F.G. Thompson, 1971 - (UROCOPTIDAE)
- fornax ix, Styloptyx fornax ix F.G. Thompson, 1971 - (UROCOPTIDAE)
- fornicarium, Ovula fornicarium J. Keep, 1887 - syn of: Simnia loebbeckeana (H.C. Weinkauff, 1881) - (OVULIDAE)
- fornicarium, Simnia fornicarium J. Keep, 1887 - syn of: Simnia loebbeckeana (H.C. Weinkauff, 1881) - (OVULIDAE)
- fornicata, Anomia fornicata J.B.P.A. Lamarck, 1819 - syn of: Anomia ephippium C. Linnaeus, 1758 - (ANOMIIDAE)
- fornicata, Neptunea fornicata C.W.S. Aurivillius, 1885 - syn of: Neptunea antiqua (C. Linnaeus, 1758) - (BUCCINIDAE)
- fornicata, Neptunea despecta fornicata (J.F. Gmelin, 1791) - (BUCCINIDAE)
- fornicata, Crepidula fornicata (C. Linnaeus, 1758) - (CALYPTRAEIDAE)
- fornicata, Ctenocardia fornicata (Sowerby, 1840) - (CARDIIDAE)
- fornicata, Oospira fornicata (F.E. Loosjes, 1963) - (CLAUSILIIDAE)
- fornicata, Murchisonia fornicata Spitz, 1907 † - (MURCHISONIIDAE) (FOSSIL)
- fornicata, Modiola fornicata P.P. Carpenter, 1864 - syn of: Modiolus carpenteri T. Soot-Ryen, 1963 - (MYTILIDAE)
- fornicata, Eunaticina fornicata (H.H. Suter, 1917 †) - (NATICIDAE) (FOSSIL)
- fornicata, Gonatorhaphe fornicata L. Pfeiffer - (NEOCYCLOTIDAE)
- fornicata, Ostrea fornicata P. Forsskål in C. Niebuhr, 1775 - syn of: Vulsella fornicata (P. Forsskål in C. Niebuhr, 1775) - (OSTREIDAE)
- fornicata, Patella fornicata C. Linnaeus, 1758 - syn of: Crepidula fornicata (C. Linnaeus, 1758) - (PATELLIDAE)
- fornicata, Vulsella fornicata (P. Forsskål in C. Niebuhr, 1775) - (PTERIIDAE)
- fornicata, Petricola fornicata T. Say, 1822 - syn of: Petricolaria pholadiformis (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- fornicata cruzana, Crepidula fornicata cruzana G.W. Nowell-Usticke, 1959 - (CALYPTRAEIDAE)
- fornicata garnot, Crepidula fornicata garnot P. Dautzenberg, 1891 - syn of: Crepidula fornicata (C. Linnaeus, 1758) - (CALYPTRAEIDAE)
- fornicata macgillivrayi, Gonatorhaphe fornicata macgillivrayi L. Pfeiffer - (NEOCYCLOTIDAE)
- fornicatum, Tritonium fornicatum O. Fabricius, 1780 - syn of: Neptunea despecta (C. Linnaeus, 1758) - (BUCCINIDAE)
- fornicatum, Cyclophorus fornicatum L. Pfeiffer - syn of: Gonatorhaphe fornicata L. Pfeiffer - (CYCLOPHORIDAE)
- fornicatum, Liroceras fornicatum Shimanskiy, 1967 † - (LIROCERATIDAE) (FOSSIL)
- fornicatum, Morrisiceras fornicatum (S.S. Buckman, 1923 †) - (MACROCEPHALITIDAE) (FOSSIL)
- fornicatum, Ostodes fornicatum L. Pfeiffer - syn of: Gonatorhaphe fornicata L. Pfeiffer - (NEOCYCLOTIDAE)
- fornicatum, Spinyplatyceras fornicatum (J.W. Hall, 1862 †) - (PLATYCERATIDAE) (FOSSIL)
- fornicatum plurispinum, Spinyplatyceras fornicatum plurispinum (Fraunfelter, 1973 †) - (PLATYCERATIDAE) (FOSSIL)
- fornicatus, Fusus fornicatus J.E. Gray, 1839 - syn of: Neptunea heros (J.E. Gray, 1850) - (FASCIOLARIIDAE)
- fornicatus, Glaphyrites fornicatus Ruzhencev & Bogoslovskaya, 1978 † - (GLAPHYRITIDAE) (FOSSIL)
- fornicatus, Parashumardites fornicatus (Plummer & P.H. Scott, 1937 †) - (PARASHUMARDITIDAE) (FOSSIL)
- fornicatus, Shumardites fornicatus Plummer & P.H. Scott, 1937 † - syn of: Parashumardites fornicatus (Plummer & P.H. Scott, 1937 †) - (SHUMARDITIDAE) (FOSSIL)
- fornicatus conica, Fusus fornicatus conica C.W.S. Aurivillius, 1885 - syn of: Neptunea ventricosa (J.F. Gmelin, 1791) - (FASCIOLARIIDAE)
- fornicatus devexa, Fusus fornicatus devexa C.W.S. Aurivillius, 1885 - syn of: Neptunea ventricosa (J.F. Gmelin, 1791) - (FASCIOLARIIDAE)
- fornicatus intermedia, Fusus fornicatus intermedia C.W.S. Aurivillius, 1885 - syn of: Neptunea ventricosa (J.F. Gmelin, 1791) - (FASCIOLARIIDAE)
- fornicatus multistriata, Fusus fornicatus multistriata C.W.S. Aurivillius, 1885 - syn of: Neptunea multistriata (C.W.S. Aurivillius, 1885) - (FASCIOLARIIDAE)
- fornicis, Lekiskochiton fornicis Hoare & Smith, 1984 † - (LEPTOCHITONIDAE) (FOSSIL)
- fornicum, Sudeticeras fornicum W. Korn & Ebbighausen, 2006 † - (ANTHRACOCERATIDAE) (FOSSIL)
- fornix, Parachiton fornix (P. Kaas & R.A. Van Belle, 1985) - (LEPTOCHITONIDAE)
- fornix, Pharciceras fornix Bockwinkel, Becker & Ebbighausen, 2013 † - (PHARCICERATIDAE) (FOSSIL)
- fornix, Linopyrga fornix C.F. Laseron, 1951 - (PYRAMIDELLIDAE)
- fornoensis, Trachynerita fornoensis E.A.L. Kittl, 1894 † - syn of: Trachynerita quadrata Stoppani, 1858 † - (ARCHAEOGASTROPODA (unassigned)) (FOSSIL)
- fornulata, Heminajas fornulata C. Chen, 1976 † - (TRIGONODIDAE) (FOSSIL)
- forojuliensis, Sphaerucaprina forojuliensis (Boehm †) - (CAPRINIDAE) (FOSSIL)
- forojuliensis, Tylostoma forojuliensis Boehm, 1895 † - (TYLOSTOMATIDAE) (FOSSIL)
- Forolepas, syn of: Genus Macroschisma J.E. Gray, 1835 (FISSURELLIDAE)
- Forolepas, syn of: Genus Macroschisma J.E. Gray, 1835 (FISSURELLIDAE)
- forreri, Drymaeus dunkeri forreri (A. Mousson, 1883) - (BULIMULIDAE)
- Forreria, Genus Forreria F.P. Jousseaume, 1880 (MURICIDAE)
- Forrestena, Genus Forrestena Stanisic, 2010 (CAMAENIDAE)
- forresterensis, Pandora forresterensis G. Willett, 1918 - syn of: Pandora wardiana A. Adams, 1860 - (PANDORIDAE)
- forresterensis, Onoba forresterensis (G. Willett, 1934) - (RISSOIDAE)
- forresteri, Forresteria forresteri Reeside, 1932 † - (COLLIGNONICERATIDAE) (FOSSIL)
- Forresteria, Genus Forresteria Reeside , 1932 † (COLLIGNONICERATIDAE) (FOSSIL)
- forresti, Tioria forresti R.K. Dell, 1956 - syn of: Cirsotrema zelebori (R.W. Dunker, 1866) - (EPITONIIDAE)
- forresti, Cirsotrema forresti R.K. Dell, 1956 - syn of: Cirsotrema zelebori (R.W. Dunker, 1866) - (EPITONIIDAE)
- forresti, Turritella forresti J. Brown, 1913 † - (TURRITELLIDAE) (FOSSIL)
- forrestiana, Amplirhagada forrestiana F. Köhler, 2011 - (CAMAENIDAE)
- forrestiana, Helix forrestiana G.F. Angas, 1875 - syn of: Xanthomelon spheroidea (E.J. Le Guillou, 1845) - (HELICIDAE)
- forscalii, Natica forscalii G.B. I Sowerby, 1825 - syn of: Natica vitellus (C. Linnaeus, 1758) - (NATICIDAE)
- forschammeri, Anodonta forschammeri É.A.A. Locard, 1882 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- forschhammeri, Anodonta forschhammeri C.A. Westerlund, 1890 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- forsheyi, Succinea forsheyi I. Lea, 1864 - (SUCCINEIDAE)
- forsheyi, Unio forsheyi I. Lea, 1859 - syn of: Quadrula apiculata T. Say, 1829 - (UNIONIDAE)
- Forsia, Genus Forsia Saul, 1988 † (PERISSITYIDAE) (FOSSIL)
- forskadauri, Gibbula forskadauri F. Nordsieck, 1982 - syn of: Gibbula magus (C. Linnaeus, 1758) - (TROCHIDAE)
- Forskaelena, Genus Forskaelena † (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- forskahlii, Cavolinia forskahlii H.M.D. de Blainville, 1821 - syn of: Cavolinia tridentata (P. Forsskål in C. Niebuhr, 1775) - (CAVOLINIIDAE)
- forskahlii, Ostrea forskahlii J.F. Gmelin, 1791 - syn of: Saccostrea cucullata (I. von Born, 1778) - (OSTREIDAE)
- Forskalena, syn of: Genus Gibbula Risso, 1826 † (TROCHIDAE) (FOSSIL)
- forskali, Septifer bilocularis forskali R.W. Dunker, 1855 - (MYTILIDAE)
- forskali, Nerita forskali C.A. Récluz, 1841 - syn of: Theliostyla sanguinolenta (K.T. Menke, 1829) - (NERITIDAE)
- forskali, Ostrea forskali J.H. Chemnitz, 1785 † - (OSTREIDAE) (FOSSIL)
- forskali sueli, Ostrea forskali sueli F.P. Jousseaume in É. Lamy, 1925 - syn of: Saccostrea scyphophilla (F. Péron & C.A. Lesueur, 1807) - (OSTREIDAE)
- Forskalia, syn of: Genus Gibbula Risso, 1826 † (TROCHIDAE) (FOSSIL)
- forskalii, Cavolinia forskalii H.M.D. de Blainville, 1821 - syn of: Cavolinia tridentata (P. Forsskål in C. Niebuhr, 1775) - (CAVOLINIIDAE)
- forskalii, Peristernia forskalii (C.M. Tapparone-Canefri, 1875) - (FASCIOLARIIDAE)
- forskalii, Limopsis forskalii (A. Adams, 1863) - (LIMOPSIDAE)
- forskalii, Oblimopa forskalii A. Adams, 1863 - syn of: Limopsis forskalii (A. Adams, 1863) - (LIMOPSIDAE)
- forskalii, Natica forskalii G.B. I Sowerby, 1825 - (NATICIDAE)
- forskalii, Pyrgophysa forskalii (C.G. Ehrenberg, 1831) - (PLANORBIDAE)
- forskalii, Pleurobranchus forskalii W.P.E.S. Rüppell & F.S. Leuckart, 1828 - (PLEUROBRANCHIDAE)
- forskalii leucothea, Peristernia forskalii leucothea J.C. Melvill, 1891 - (FASCIOLARIIDAE)
- Forskaliopsis, Subgenus Gibbula (Forskaliopsis) G.S. Coen, 1931 (TROCHIDAE)
- forskhalii, Saccostrea forskhalii J.F. Gmelin, 1791 - syn of: Saccostrea cucullata (I. von Born, 1778) - (OSTREIDAE)
- forskoehlii, Murex forskoehlii P.F. Röding, 1798 - (MURICIDAE)
- forskoehlii mediterranea, Murex forskoehlii mediterranea M. Kovalis & D. Korkos, 2010 - syn of: Murex forskoehlii P.F. Röding, 1798 - (MURICIDAE)
- forskoehlii spinifer, Murex forskoehlii spinifer E.L. Heiman & H.K. Mienis, 2010 - syn of: Murex forskoehlii P.F. Röding, 1798 - (MURICIDAE)
- forsteri, Littoridina forsteri W. Blume, 1957 - (COCHLIOPIDAE)
- forsteri, Doris forsteri H.M.D. de Blainville, 1816 - (DORIDIDAE)
- forsteri, Glaucus forsteri J.B.P.A. Lamarck, 1819 - syn of: Glaucus atlanticus F. Forster, 1777 - (GLAUCIDAE)
- forsteri, Fluviopupa forsteri S. Zielske & M. Haase, 2014 - (HYDROBIIDAE)
- forsteri, Phrixgnathus forsteri (R.K. Dell, 1952) - (PUNCTIDAE)
- forsteri, Laoma forsteri R.K. Dell, 1952 - syn of: Phrixgnathus forsteri (R.K. Dell, 1952) - (PUNCTIDAE)
- forsteriana, Spurlingia forsteriana (L.A. Reeve, 1852) - (CAMAENIDAE)
- forsteriana, Alinda biplicata forsteriana (S. Clessin, 1876) - (CLAUSILIIDAE)
- forsteriana, Gaimardia forsteriana H.J. Finlay, 1926 - (GAIMARDIIDAE)
- forsteriana, Turbonilla forsteriana (C.R. Laws, 1937) - (PYRAMIDELLIDAE)
- forsteriana, Amphidesma forsteriana H.J. Finlay, 1926 - syn of: Paphies donacina (L. Spengler, 1793) - (SEMELIDAE)
- forsteriana aucklandica, Gaimardia forsteriana aucklandica H.J. Finlay, 1926 - (GAIMARDIIDAE)
- forsythi, Amnicola forsythi H.A. Pilsbry, 1930 - (AMNICOLIDAE)
- forsythi, Scutus forsythi (T. Iredale, 1937) - (FISSURELLIDAE)
- forsythi, Ambigua saxetana forsythi (M. Paulucci, 1886) - (HELICIDAE)
- forsythi, Amborhytida forsythi (A.W.B. Powell, 1952) - (RHYTIDIDAE)
- fortasse, Sphaerospira fortasse (T. Iredale, 1933) - (CAMAENIDAE)
- fortaxis, Vitrinella fortaxis H.A. Pilsbry & A.A. Olsson, 1952 - (TORNIDAE)
- fortdauphinensis, Darioconus fortdauphinensis (L. Bozzetti, 2015) - (CONIDAE)
- forte, Hildaites forte Buckman, 1921 † - (HILDOCERATIDAE) (FOSSIL)
- forte, Cyrtoceras forte (Barrande, 1866 †) - (ONCOCERIDA (UNASSIGNED)) (FOSSIL)
- fortecarinata, Goniasma fortecarinata A. Nützel & Nakazawa, 2012 † - (GONIASMATIDAE) (FOSSIL)
- fortecosta, Myadora fortecosta A.G. Beu, 2006 † - (MYOCHAMIDAE) (FOSSIL)
- fortecostata, Tritia fortecostata (Baldi, 1966 †) - (NASSARIIDAE) (FOSSIL)
- fortecostata, Phymatoceras fortecostata Gabilly, 1976 † - (PHYMATOCERATIDAE) (FOSSIL)
- fortecostata edentata, Tritia fortecostata edentata (Baldi, 1966 †) - (NASSARIIDAE) (FOSSIL)
- fortefunis, Oscilla fortefunis Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- fortelirifer, Homoceratoides fortelirifer Ramsbottom † - (RAMOSITIDAE) (FOSSIL)
- forteradiata, Limopsis forteradiata B.C. Cotton, 1931 - (LIMOPSIDAE)
- fortespirale, Ranularia fortespirale M. Parth, 1993 - syn of: Ranularia pyrulum (A. Adams & L.A. Reeve, 1850) - (RANELLIDAE)
- forthensis, Beddomeia forthensis W.F. Ponder & K.B. Clark, 1993 - (HYDROBIIDAE)
- forthiensis, Kurtziella forthiensis L.A. Reeve, 1845 - syn of: Kurtziella dorvilliae (L.A. Reeve, 1845) - (MANGELIIDAE)
- fortiana, Propeleda fortiana (C. Esteves, 1984) - (NUCULANIDAE)
- forticallosa, Megatyloma forticallosa P. Lozouet, 2015 † - (TORNIDAE) (FOSSIL)
- forticarinatus, Cyclostremiscus forticarinatus B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † - (TORNIDAE) (FOSSIL)
- forticingulata, Hinemoa forticingulata L. Bozzetti, 2008 - (PYRAMIDELLIDAE)
- forticosta, Pleuromegalites forticosta Buckmann S † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- forticosta, Austrochlamys forticosta A.G. Beu & M. Taviani, 2013 † - (PECTINIDAE) (FOSSIL)
- forticosta, Semisulcospira forticosta E.C. Von Martens, 1886 - (SEMISULCOSPIRIDAE)
- forticosta tegulata, Semisulcospira forticosta tegulata E.C. Von Martens - (SEMISULCOSPIRIDAE)
- forticostae, Turbonilla forticostae A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- forticostata, Cinysca forticostata (E.A. Smith, 1904) - (ARENEIDAE)
- forticostata, Leptocollonia forticostata E.A. Smith, 1904 - syn of: Cinysca forticostata (E.A. Smith, 1904) - (COLLONIIDAE)
- forticostata, Pusia forticostata L.A. Reeve, 1845 - syn of: Pusia ficulinum (J.B.P.A. Lamarck, 1811) - (COSTELLARIIDAE)
- forticostata, Cardiomya forticostata (G.B. III Sowerby, 1904) - (CUSPIDARIIDAE)
- forticostata, Melanopsis costata forticostata F. Paetel, 1888 - (MELANOPSIDAE)
- forticostata, Nuculana forticostata F.S. Xu, 1991 - (NUCULANIDAE)
- forticostata, Badouxia forticostata Longridge & al., 2006 † - (PSILOCERATIDAE) (FOSSIL)
- forticostata, Sonoraloa remondii forticostata (H.A. Pilsbry, 1953) - (UROCOPTIDAE)
- fortidentata, Melliteryx fortidentata (E.A. Smith, 1904) - (LASAEIDAE)
- fortieri, Daubichites fortieri (Harker, 1960 †) - (PARAGASTRIOCERATIDAE) (FOSSIL)
- fortiliniata, Drillia fortiliniata W.D. Smith † - (DRILLIIDAE) (FOSSIL)
- fortilirata, Cominella fortilirata G.B. III Sowerby, 1913 - syn of: Aulacofusus periscelidus (W.H. Dall, 1891) - (BUCCINIDAE)
- fortilirata, Lucilina fortilirata (L.A. Reeve, 1847) - (CHITONIDAE)
- fortilirata, Pseudoetrema fortilirata (E.A. Smith, 1879) - (CLATHURELLIDAE)
- fortilirata, Drillia fortilirata E.A. Smith, 1879 - syn of: Pseudoetrema fortilirata (E.A. Smith, 1879) - (DRILLIIDAE)
- fortilirata, Neohaustator fortilirata (G.B. III Sowerby, 1914) - (TURRITELLIDAE)
- fortilirata habei, Neohaustator fortilirata habei T. Kotaka, 1952 - (TURRITELLIDAE)
- fortilirata multilirata, Turritella fortilirata multilirata T. Kotaka, 1951 - syn of: Neohaustator fortilirata (G.B. III Sowerby, 1914) - (TURRITELLIDAE)
- fortilirata tibiana, Neohaustator fortilirata tibiana (S. Nomura, 1940) - (TURRITELLIDAE)
- fortinensis, Trigonia fortinensis A. Lambert, 1944 † - (TRIGONIIDAE) (FOSSIL)
- fortinodosa, Bathytoma fortinodosa (J. Marwick, 1931 †) - (BORSONIIDAE) (FOSSIL)
- fortior, Cerithiopsis fortior P.P. Carpenter, 1864 - syn of: Lirobittium interfossa (P.P. Carpenter, 1864) - (CERITHIOPSIDAE)
- fortior, Ficus fortior O.A.L. Mörch, 1877 - syn of: Ficus papyratia carolae W.J. Clench, 1945 - (FICIDAE)
- fortior, Auriptygma fortior J. Perner, 1903 † - (MEEKOSPIRIDAE) (FOSSIL)
- Fortipecten, Genus Fortipecten Yabe & Hatai, 1940 † (PECTINIDAE) (FOSSIL)
- fortiplicata, Siogamaia fortiplicata (S. Nomura, 1936) - (PYRAMIDELLIDAE)
- fortiplicatum, Pusia fortiplicatum (W.H. Pease, 1868) - (COSTELLARIIDAE)
- fortis, Acteon fortis K.H.J. Thiele, 1925 - (ACTEONIDAE)
- fortis, Reiflingites fortis (Mojsisovics, 1882 †) - (BALATONITIDAE) (FOSSIL)
- fortis, Boiotremus fortis (Frech, 1894 †) - (BUCANIIDAE) (FOSSIL)
- fortis, Calicantharus fortis (Carpenter, 1866 †) - (BUCCINIDAE) (FOSSIL)
- fortis, Bostrycapulus aculeatus fortis (J.J. Parodíz, 1939) - (CALYPTRAEIDAE)
- fortis, Cardiolinka fortis (Barrande, 1881 †) - (CARDIOLIDAE) (FOSSIL)
- fortis, Conus fortis S.A. Renier, 1804 - syn of: Lautoconus ventricosus (J.F. Gmelin, 1791) - (CONIDAE)
- fortis, Caryocorbula fortis P.O. Jung, 1965 † - (CORBULIDAE) (FOSSIL)
- fortis, Staphylaea fortis G.S. Coen, 1949 - syn of: Staphylaea staphylaea (C. Linnaeus, 1758) - (CYPRAEIDAE)
- fortis, Batissa fortis T. Prime, 1861 - syn of: Polymesoda radiata (S.C.T. Hanley, 1845) - (CYRENIDAE)
- fortis, Cyanocyclas fortis W.B. Marshall, 1924 - syn of: Cyanocyclas paranacensis (A.V.M.D. D'Orbigny, 1835) - (CYRENIDAE)
- fortis, Gibberula fortis T. McCleery, 2008 - (CYSTISCIDAE)
- fortis, Melampus fortis A. Mousson, 1869 - syn of: Melampus flavus (J.F. Gmelin, 1791) - (ELLOBIIDAE)
- fortis, Helix fortis C.B. Adams, 1850 - syn of: Pleurodonte okeniana (L. Pfeiffer, 1845) - (HELICIDAE)
- fortis, Humboldtiana fortis H.A. Pilsbry, 1948 - (HUMBOLDTIANIDAE)
- fortis, Diplodon fortis W.B. Marshall, 1917 - syn of: Rhipidodonta charruana (A.V.M.D. D'Orbigny, 1835) - (HYRIIDAE)
- fortis, Bela fortis (L.A. Reeve, 1844) - (MANGELIIDAE)
- fortis, Dentimargo fortis (C.F. Laseron, 1957) - (MARGINELLIDAE)
- fortis, Strigatella fortis J.C. Melvill, 1925 - syn of: Mitra orientalis E. Griffith & E. Pidgeon, 1834 - (MITRIDAE)
- fortis, Murex fortis A. Risso, 1826 - syn of: Fusinus syracusanus (C. Linnaeus, 1758) - (MURICIDAE)
- fortis, Nuculana fortis (C. Hedley, 1907) - (NUCULANIDAE)
- fortis, Oreohelix yavapai fortis T.D.A. Cockerell, 1927 - (OREOHELICIDAE)
- fortis, Pholadomya fortis Whidborne † - (PHOLADOMYIDAE) (FOSSIL)
- fortis, Carinoturris fortis P. Bartsch, 1944 - (PSEUDOMELATOMIDAE)
- fortis, Volvulella fortis (K.H.J. Thiele, 1925) - (RHIZORIDAE)
- fortis, Onoba fortis H.A. Pilsbry & A.A. Olsson, 1941 - (RISSOIDAE)
- fortis, Rissoina fortis (C.B. Adams, 1852) - (RISSOINIDAE)
- fortis, Mayaxis fortis (E.C. Von Martens, 1898) - (SPIRAXIDAE)
- fortis, Geomelania fortis C.B. Adams, 1850 - syn of: Geomelania magna C.B. Adams, 1850 - (TRUNCATELLIDAE)
- fortis, Gongylostomella fortis (J. Gundlach in L. Pfeiffer, 1864) - (UROCOPTIDAE)
- fortis, Torrecoptis vermicularis fortis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- fortis alpina, Boiotremus fortis alpina (Spitz, 1907 †) - (BUCANIIDAE) (FOSSIL)
- fortis inna, Murex fortis inna P. François, 1891 - syn of: Fusinus syracusanus (C. Linnaeus, 1758) - (MURICIDAE)
- fortisculpta, Coripia fortisculpta (K.H. Barnard, 1964) - (CARDITIDAE)
- fortisculpta, Cardiomya fortisculpta J.T. Kuroda, 1948 - (CUSPIDARIIDAE)
- fortisculpta, Holospira fortisculpta F.G. Thompson & E.L. Mihalcik, 2005 - (UROCOPTIDAE)
- fortisi, Scaphander fortisi A. Brongniart, 1823 † - (SCAPHANDRIDAE) (FOSSIL)
- Fortisia, syn of: Genus Liocarenus G.F. Harris & H.W. Burrows, 1891 (ACTEONIDAE)
- fortisii, Bulla fortisii A. Brongniart, 1837 † - syn of: Scaphander tarbellianus (J.P.S. Grateloup, 1837 †) - (BULLIDAE) (FOSSIL)
- fortisii, Dilatilabrum fortisii (A. Brongniart, 1823 †) - (STROMBIDAE) (FOSSIL)
- fortisminor, Gibberula fortisminor T. McCleery, 2008 - (CYSTISCIDAE)
- fortispina, Murex fortispina P. François, 1891 - syn of: Chicoreus ramosus (C. Linnaeus, 1758) - (MURICIDAE)
- fortispiralis, Turbo fortispiralis K. Kreipl & A. Alf, 2003 - syn of: Turbo smithi fortispiralis K. Kreipl & A. Alf, 2003 - (TURBINIDAE)
- fortispiralis, Turbo smithi fortispiralis K. Kreipl & A. Alf, 2003 - (TURBINIDAE)
- fortissimus, Isognomon fortissimus (L. C. King, 1933 †) - (PTERIIDAE) (FOSSIL)
- fortistriata, Palaeoneilo fortistriata Wasmer & Hautmann, 2012 † - (MALLETIIDAE) (FOSSIL)
- fortistriata, Pseudorhaphitoma fortistriata (E.A. Smith, 1888) - (MANGELIIDAE)
- fortistriata, Parvedentulina fortistriata K.C. Emberton, 2002 - (STREPTAXIDAE)
- fortistriata, Pleurotoma fortistriata E.A. Smith, 1888 - syn of: Pseudorhaphitoma fortistriata (E.A. Smith, 1888) - (TURRIDAE)
- fortistriatus, Boucardicus fortistriatus K.C. Emberton & T.A. Pearce, 1999 - (CYCLOPHORIDAE)
- fortisulcata, Semicassis fortisulcata E.A. Smith, 1904 - syn of: Semicassis umbilicata (W.H. Pease, 1861) - (CASSIDAE)
- fortisulcata, Corbula fortisulcata E.A. Smith, 1879 - (CORBULIDAE)
- fortius, Parviturbo fortius F. Rubio, E. Rolán & R. Fernández-Garcés, 2015 - (SKENEIDAE)
- fortiuscula, Torrecoptis fortiuscula (C. de la Torre, 1912) - (UROCOPTIDAE)
- fortiusculum, Cerithidea fortiusculum C.É. Bayle, 1880 - syn of: Cerithidea valida Adams, 1852 - (POTAMIDIDAE)
- Fortowensia, Genus Fortowensia Cope, 1996 † (MODIOMORPHIDA (UNASSIGNED)) (FOSSIL)
- fortsaintlouis, Hyalina fortsaintlouis Ortea & Espinosa, 2017 - (MARGINELLIDAE)
- fortuita, Simobelus fortuita Saks & Nalnyaeva, 1966 † - (BELEMNITIDA (UNASSIGNED)) (FOSSIL)
- fortuita, Mitrella fortuita K. Monsecour & D. Monsecour, 2016 - (COLUMBELLIDAE)
- Fortuna, Genus Fortuna Schlickum & Strauch, 1972 † (SUBULINIDAE) (FOSSIL)
- fortunata, Anadara fortunata T. Iredale, 1939 - syn of: Anadara ferruginea (L.A. Reeve, 1844) - (ARCIDAE)
- fortunata, Mabellarca fortunata T. Iredale, 1939 - syn of: Anadara ferruginea (L.A. Reeve, 1844) - (ARCIDAE)
- fortunata, Canariella fortunata (R.J. Shuttleworth, 1852) - (CANARIELLIDAE)
- fortunata, Alopia vicina fortunata R. von Kimakowicz, 1931 - (CLAUSILIIDAE)
- fortunata, Opalia fortunata P. Bouchet & A. Warén, 1986 - (EPITONIIDAE)
- fortunata, Helix fortunata E.A. Bielz, 1860 - syn of: Faustina faustina associata (E.A. Rossmässler, 1835) - (HELICIDAE)
- fortunata, Volvarina fortunata (P.W. Clover & C. Maccà, 1990) - (MARGINELLIDAE)
- fortunata, Rissoina fortunata Yokoyama, 1926 † - (RISSOINIDAE) (FOSSIL)
- fortunata, Calyptogena fortunata (T.A. Okutani, S. Kojima, Kawato, A. Seo & K. Fujikura, 2011) - (VESICOMYIDAE)
- fortunata, Archivesica fortunata T.A. Okutani, S. Kojima, Kawato, A. Seo & K. Fujikura, 2011 - syn of: Calyptogena fortunata (T.A. Okutani, S. Kojima, Kawato, A. Seo & K. Fujikura, 2011) - (VESICOMYIDAE)
- fortunata beata, Canariella fortunata beata (T.V. Wollaston, 1878) - (CANARIELLIDAE)
- fortunata pera, Anadara fortunata pera T. Iredale, 1939 - syn of: Anadara ferruginea (L.A. Reeve, 1844) - (ARCIDAE)
- fortunata pera, Mabellarca fortunata pera T. Iredale, 1939 - syn of: Anadara ferruginea (L.A. Reeve, 1844) - (ARCIDAE)
- fortunatus, Dermatobranchus fortunatus (L.S.R. Bergh, 1888) - (ARMINIDAE)
- fortuneana, Fadyenia fortuneana E. Chitty, 1857 - (HELICINIDAE)
- fortunei, Bradybaena fortunei (O.F. von Möllendorff, 1884) - (BRADYBAENIDAE)
- fortunei, Formosana fortunei (L. Pfeiffer, 1852) - (CLAUSILIIDAE)
- fortunei, Dorcasia fortunei O.F. von Möllendorff, 1884 - syn of: Bradybaena fortunei (O.F. von Möllendorff, 1884) - (DORCASIIDAE)
- fortunei, Palustorina fortunei L.A. Reeve, 1857 - syn of: Littoraria flammea (R.A. Philippi, 1847) - (LITTORINIDAE)
- fortunei, Limnoperna fortunei (R.W. Dunker, 1857) - (MYTILIDAE)
- fortunei, Modiolus fortunei R.W. Dunker, 1857 - syn of: Limnoperna fortunei (R.W. Dunker, 1857) - (MYTILIDAE)
- fortunei, Natica fortunei L.A. Reeve, 1855 - syn of: Laguncula pulchella W.H. Benson, 1842 - (NATICIDAE)
- fortunei, Euspira fortunei L.A. Reeve, 1855 - syn of: Laguncula pulchella W.H. Benson, 1842 - (NATICIDAE)
- fortunei, Olivella fortunei (F.P. Marrat, 1871) - (OLIVELLIDAE)
- fortunei, Cerithidea fortunei A. Adams, 1854 - syn of: Cerithideopsis montagnei (A.V.M.D. D'Orbigny, 1841) - (POTAMIDIDAE)
- fortunei, Clathroterebra fortunei (G.P. Deshayes, 1857) - (TEREBRIDAE)
- fortunei kikuchii, Limnoperna fortunei kikuchii T. Habe, 1981 - syn of: Limnoperna securis (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- fortunei meridionalis, Bradybaena fortunei meridionalis O.F. von Möllendorff, 1884 - syn of: Satsuma meridionalis (O.F. von Möllendorff, 1884) - (BRADYBAENIDAE)
- fortunei meridionalis, Helix fortunei meridionalis O.F. von Möllendorff, 1884 - syn of: Satsuma meridionalis (O.F. von Möllendorff, 1884) - (HELICIDAE)
- fortunei submeridionalis, Bradybaena fortunei submeridionalis A. Zilch, 1951 - syn of: Satsuma meridionalis (O.F. von Möllendorff, 1884) - (BRADYBAENIDAE)
- fortunensis, Hypselodoris fortunensis J.A. Ortea, J. Espinosa & Y. Buske, 2013 - (CHROMODORIDIDAE)
- fortuni, Rapana fortuni A. Adams, 1854 - syn of: Mipus eugeniae (M. Bernardi, 1853) - (MURICIDAE)
- forulata, Heminajas forulata C. Chen, 1976 † - (TRIGONODIDAE) (FOSSIL)
- forumjuliana, Iglica forumjuliana (C. Pollonera, 1887) - (HYDROBIIDAE)
- forumjulianum, Paladilhia forumjulianum C. Pollonera, 1886 - (MOITESSIERIIDAE)
aaa
abx
ack
acy
adn
aer
afs
ajd
alc
alj
alu
amc
ams
and
anh
anp
anu
apl
arb
ard
arh
ars
asr
atl
atu
aus
aut
bab
baj
bao
bas
baw
bem
bes
bid
bim
bit
bli
bom
bos
bov
bre
bri
bry
bum
bys
caa
cak
cam
cao
cas
cau
cem
ces
che
chk
chy
cio
cle
cob
coh
com
con
coo
cos
cot
cre
cri
cru
cud
cuo
cuy
cym
daa
dam
dav
ded
dem
deo
det
dib
dih
dir
dit
dom
dos
duc
duq
eag
ecr
egg
elf
elp
enh
eov
erf
erz
eud
eus
exb
exl
exy
faa
fan
fat
fes
fim
fle
flu
fos
fre
fuf
fur
fut
gaa
gam
gav
geo
gie
gis
gle
glu
goo
gre
gru
gug
guz
haa
ham
has
heb
hem
hes
hif
his
hom
hou
hun
hye
iac
ilm
imt
ind
inf
ing
int
inu
irm
isp
jaa
jao
jaw
joi
juk
kaa
kao
kaz
kes
kio
koc
kot
kuk
laa
lad
laf
lan
las
lau
lec
leo
leq
lew
lim
lio
liu
loo
lub
lun
luv
maa
mad
mah
mam
mao
mas
mav
mee
mem
mes
mey
mid
min
mio
mit
moe
moo
mos
mum
mut
nab
nao
nav
nel
neq
nex
nih
niu
noe
nou
nue
oaf
obn
obu
oci
oke
olk
oos
orc
oro
osu
ove
paa
paf
pam
paq
pas
pau
pay
pem
pes
pfi
phl
pid
pio
ple
plo
pom
pos
pre
pro
pru
psi
pul
pum
pup
put
pys
qag
qub
rab
rah
ras
red
reh
reu
rhu
rin
roc
rot
rox
rue
ruh
ryd
saa
sai
san
sao
sav
sce
sci
scy
sem
sen
ses
shl
sih
sin
sio
smo
som
soy
sph
spj
sra
stg
sts
suc
sum
suv
szo
tab
tal
taq
tay
ten
teo
tes
tha
thl
tif
toc
tos
tre
trl
try
tuc
tus
uac
ume
uni
urd
vaa
vap
vas
vep
ves
vid
vip
vis
vob
vup
waa
wam
weg
who
wom
xac
yaa
yot
zaa
zem
zoo
|