- bawenauruensis, Canarium bawenauruensis G.G. Wissema, 1947 † - (STROMBIDAE) (FOSSIL)
- baxteri, Anatoma baxteri J.H. McLean, 1984 - syn of: Anatoma lyra (S.S. Berry, 1947) - (ANATOMIDAE)
- baxteri, Thieleella baxteri J.H. McLean, 1984 - syn of: Anatoma lyra (S.S. Berry, 1947) - (ANATOMIDAE)
- baxteri, Cocculina baxteri J.H. McLean, 1987 - (COCCULINIDAE)
- baxteri, Tripoplax baxteri (K.B. Clark, 2000) - (ISCHNOCHITONIDAE)
- baxteri, Margarites costalis baxteri J.H. McLean, 1995 - (MARGARITIDAE)
- baxteri, Mya baxteri E.V. Coan & P.H. Valentich-Scott, 1997 - (MYIDAE)
- baxteri, Philine baxteri Valdés, Cadien & Gosliner, 2016 - (PHILINIDAE)
- baxteri, Sepia baxteri T. Iredale, 1940 - syn of: Sepia bandensis W. Adam, 1939 - (SEPIIDAE)
- baxteri, Solariella baxteri J.H. McLean, 1995 - syn of: Margarites costalis baxteri J.H. McLean, 1995 - (SOLARIELLIDAE)
- baxteriana, Rissoina baxteriana G. Nevill, 1881 - (RISSOINIDAE)
- bayacalifornica, Ferrissia bayacalifornica B. Walker, 1924 - (PLANORBIDAE)
- bayamense, Farcimen pseudotortum bayamense C. de la Torre & P. Bartsch, 1942 - (MEGALOMASTOMIDAE)
- bayamensis, Zachrysia bayamensis (L. Pfeiffer, 1854) - (CAMAENIDAE)
- bayamensis, Emoda bayamensis (F. Poey, 1854) - (HELICINIDAE)
- bayani, Buccinum bayani (F.P. Jousseaume, 1883) - (BUCCINIDAE)
- bayani, Cerithium bayani R. Tournouer, 1872 † - syn of: Tympanotonos stroppus A. Brongniart, 1823 † - (CERITHIIDAE) (FOSSIL)
- bayani, Stellaconus bayani (F.P. Jousseaume, 1872) - (CONIDAE)
- bayani, Phlyseogrammoceras bayani (Dumortier, 1874 †) - (HILDOCERATIDAE) (FOSSIL)
- bayani, Pachyrisma bayani C. Gemmellaro, 1871 † - (PACHYRISMATIDAE) (FOSSIL)
- bayani, Pseudomercaticeras bayani Dumortier, 1874 † - syn of: Phlyseogrammoceras bayani (Dumortier, 1874 †) - (PHYMATOCERATIDAE) (FOSSIL)
- bayani, Strombolaria bayani A.E.M. Cossmann† - (RIMELLIDAE) (FOSSIL)
- bayani, Strombus bayani P. Oppenheim, 1901 † - syn of: Oostrombus pulcinella (J.F. Bayan, 1870 †) - (STROMBIDAE) (FOSSIL)
- bayani, Viriola bayani F.P. Jousseaume, 1884 - (TRIPHORIDAE)
- bayani aniwanum, Buccinum bayani aniwanum W.H. Dall, 1907 - syn of: Buccinum aniwanum W.H. Dall, 1907 - (BUCCINIDAE)
- bayani major, Buccinum bayani major W.H. Dall, 1919 - (BUCCINIDAE)
- Bayania, Genus Bayania Munier-Chalmas, 1877 † (THIARIDAE) (FOSSIL)
- Bayanoteuthis, Genus Bayanoteuthis Munier-Chalmas, 1871 † (BELEMNITIDA (UNASSIGNED)) (FOSSIL)
- bayaona, Achatina bayaona P.M.A. Morelet, 1866 - syn of: Achatina bayoniana P.M.A. Morelet, 1868 - (ACHATINIDAE)
- Bayardella, Genus Bayardella J.B. Burch, 1977 (PLANORBIDAE)
- bayardense, Neostlingoceras bayardense Cobban, Hook & J. Kennedy, 1989 † - (TURRILITIDAE) (FOSSIL)
- bayardi, Succinea bayardi E.G. Vanatta, 1914 - (SUCCINEIDAE)
- bayatense, Chondropoma dilatatum bayatense C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- bayensis, Varohadra bayensis (J.W. Brazier, 1875) - (CAMAENIDAE)
- bayensis, Turbonilla bayensis J.J. Van Aartsen & J.X. Corgan, 1996 - (PYRAMIDELLIDAE)
- bayensis reducta, Varohadra bayensis reducta T. Iredale, 1937 - syn of: Figuladra reducta (T. Iredale, 1937) - (CAMAENIDAE)
- Bayercerithium, syn of: Genus Cerithium J.G. Bruguière, 1789 (CERITHIIDAE)
- bayerfehlmanni, Acochlidium bayerfehlmanni E. Wawra, 1980 - (ACOCHLIDIIDAE)
- bayeri, Akera bayeri Er. Marcus & Ev. Marcus, 1967 - (AKERIDAE)
- bayeri, Armina bayeri Er. Marcus & Ev. Marcus, 1966 - (ARMINIDAE)
- bayeri, Callochiton bayeri E. Schwabe, 1998 - (CALLOCHITONIDAE)
- bayeri, Admetula bayeri R.E. Petit, 1976 - (CANCELLARIIDAE)
- bayeri, Tritonoharpa bayeri (E.J. Petuch, 1987) - (CANCELLARIIDAE)
- bayeri, Tritonoharpa bayeri E.J. Petuch, 1987 - syn of: Tritonoharpa bayeri (E.J. Petuch, 1987) - (CANCELLARIIDAE)
- bayeri, Cerithium bayeri (E.J. Petuch, 2001) - (CERITHIIDAE)
- bayeri, Bayericerithium bayeri E.J. Petuch, 2001 - syn of: Cerithium bayeri (E.J. Petuch, 2001) - (CERITHIIDAE)
- bayeri, Felimare bayeri Er. Marcus & Ev. Marcus, 1967 - (CHROMODORIDIDAE)
- bayeri, Glyphostoma bayeri A.A. Olsson, 1971 - (CLATHURELLIDAE)
- bayeri, Gradiconus bayeri (E.J. Petuch, 1987) - (CONIDAE)
- bayeri, Polygona bayeri (E.J. Petuch, 2001) - (FASCIOLARIIDAE)
- bayeri, Morum bayeri E.J. Petuch, 2001 - (HARPIDAE)
- bayeri, Pickfordiateuthis bayeri C.F.E. Roper & M. Vecchione, 2001 - (LOLIGINIDAE)
- bayeri, Volvarina bayeri C. Gracia & F. Boyer, 2004 - (MARGINELLIDAE)
- bayeri, Modulus bayeri E.J. Petuch, 2001 - (MODULIDAE)
- bayeri, Vokesimurex bayeri E.J. Petuch, 2001 - (MURICIDAE)
- bayeri, Antillophos bayeri E.J. Petuch, 1987 - (NASSARIIDAE)
- bayeri, Natica bayeri H.A. Rehder, 1986 - syn of: Natica tedbayeri H.A. Rehder, 1986 - (NATICIDAE)
- bayeri, Oliva bayeri E.J. Petuch, 2001 - (OLIVIDAE)
- bayeri, Thuridilla bayeri Er. Marcus, 1965 - syn of: Thuridilla gracilis (J.J. Risbec, 1928) - (PLAKOBRANCHIDAE)
- bayeri, Teredo bayeri G.F. Roch, 1955 - syn of: Teredo mindanensis P. Bartsch, 1923 - (TEREDINIDAE)
- bayeri, Tritonia bayeri Ev. Marcus & Er. Marcus, 1967 - (TRITONIIDAE)
- bayeri, Purpurcapsula bayeri (D. Fehse, 1998) - (TRIVIIDAE)
- bayeri, Trivirostra bayeri D. Fehse, 1998 - syn of: Purpurcapsula bayeri (D. Fehse, 1998) - (TRIVIIDAE)
- bayeri, Austrotrivia bayeri D. Fehse, 1998 - syn of: Purpurcapsula bayeri (D. Fehse, 1998) - (TRIVIIDAE)
- bayeri, Polystira bayeri E.J. Petuch, 2001 - (TURRIDAE)
- bayeri, Turritella bayeri (E.J. Petuch, 2001) - (TURRITELLIDAE)
- bayeri, Torcula bayeri E.J. Petuch, 2001 - syn of: Turritella bayeri (E.J. Petuch, 2001) - (TURRITELLIDAE)
- bayeri, Volutomitra bayeri T.A. Okutani, 1982 - (VOLUTOMITRIDAE)
- bayeri, Xylophaga bayeri H. Turner, 2002 - (XYLOPHAGAIDAE)
- bayeri misa, Tritonia bayeri misa Ev. Marcus & Er. Marcus, 1967 - syn of: Tritonia bayeri Ev. Marcus & Er. Marcus, 1967 - (TRITONIIDAE)
- Bayericerithium, syn of: Genus Cerithium J.G. Bruguière, 1789 (CERITHIIDAE)
- Bayerius, Genus Bayerius A.A. Olsson, 1971 (BUCCINIDAE)
- Bayerotrochus, Genus Bayerotrochus C.É. Bayle in P. Fischer, 1885 (PLEUROTOMARIIDAE)
- bayfieldensis, Physella gyrina bayfieldensis H.B. Baker, 1928 - (PHYSIDAE)
- bayfieldi, Cymatoceras bayfieldi Foord & Crick, 1890 † - (CYMATOCERATIDAE) (FOSSIL)
- bayfieldi, Vanuxemia bayfieldi (Billings, 1857 †) - (CYRTODONTIDAE) (FOSSIL)
- bayfieldi, Ormoceras bayfieldi A. Stokes, 1840 † - (ORMOCERATIDAE) (FOSSIL)
- baygiongina, Syrnola baygiongina E. Saurin, 1959 - (PYRAMIDELLIDAE)
- bayi, Astarte bayi Lundgren, 1895 † - (ASTARTIDAE) (FOSSIL)
- bayi, Phyllidiopsis bayi (P. Bouchet, 1983) - (PHYLLIDIIDAE)
- Baykonaroceras, Genus Baykonaroceras Barskov, 1972 † (ORTHOCERIDA (UNASSIGNED)) (FOSSIL)
- Baylea, Genus Baylea de Koninck, 1881 † (GOSSELETINIDAE) (FOSSIL)
- bayleanum, Skirroceras bayleanum (Oppel, 1857 †) - (STEPHANOCERATIDAE) (FOSSIL)
- baylei, Acroreia baylei (A.E.M. Cossmann, 1885 †) - (ACROREIIDAE) (FOSSIL)
- baylei, Acroria baylei A.E.M. Cossmann, 1885 † - syn of: Acroreia baylei (A.E.M. Cossmann, 1885 †) - (ACROREIIDAE) (FOSSIL)
- baylei, Metapeltoceras baylei Prieser, 1937 † - (ASPIDOCERATIDAE) (FOSSIL)
- baylei, Pictonia baylei (Salfeld, 1913 †) - (AULACOSTEPHANIDAE) (FOSSIL)
- baylei, Batillaria baylei (Vasseur, 1881 †) - (BATILLARIIDAE) (FOSSIL)
- baylei, Cancellaria baylei Bezançon, 1870 † - (CANCELLARIIDAE) (FOSSIL)
- baylei, Caprina baylei C. Gemmellaro, 1865 † - (CAPRINIDAE) (FOSSIL)
- baylei, Lindaconus spurius baylei (F.P. Jousseaume, 1872) - (CONIDAE)
- baylei, Goniatites baylei Leymerie, 1881 † - (GONIATITIDAE) (FOSSIL)
- baylei, Ludwigia baylei (Buckman †) - (GRAPHOCERATIDAE) (FOSSIL)
- baylei, Heteroceras baylei Reynès, 1876 † - (HETEROCERATIDAE) (FOSSIL)
- baylei, Hoplites benettianus baylei Spath, 1925 † - (HOPLITIDAE) (FOSSIL)
- baylei, Nacella baylei A.E.M. Cossmann, 1882 † - (NACELLIDAE) (FOSSIL)
- baylei, Nerita baylei Vasseur, 1881 † - (NERITIDAE) (FOSSIL)
- baylei, Erymnoceras baylei Jeannet, 1951 † - (PACHYCERATIDAE) (FOSSIL)
- baylei, Chlamys baylei F.P. Jousseaume, 1928 - syn of: Mimachlamys townsendi (G.B. III Sowerby, 1895) - (PECTINIDAE)
- baylei, Hippochrenes baylei G.P. Deshayes, 1865 † - (ROSTELLARIIDAE) (FOSSIL)
- Bayleia, Genus Bayleia Munier-Chalmas, 1873 † (REQUIENIIDAE) (FOSSIL)
- Bayleites, syn of: Genus Cadomites Munier-Chalmas, 1892 † (STEPHANOCERATIDAE) (FOSSIL)
- Bayleoidea, Genus Bayleoidea Palmer, 1928 † (REQUIENIIDAE) (FOSSIL)
- baylii, Balanetta baylii F.P. Jousseaume, 1875 - (MARGINELLIDAE)
- baylii, Brasilina baylii (Buckman) † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- baylii, Pitar baylii (L.H. Hupé, 1854 †) - (VENERIDAE) (FOSSIL)
- baylissi, Ancylotropaeum baylissi (T.L. Casey, 1980 †) - (ANCYLOCERATIDAE) (FOSSIL)
- baylissi, Euhystrichoceras baylissi J. Kennedy & Wright, 1981 † - (BRANCOCERATIDAE) (FOSSIL)
- baylissi, Forbesiceras baylissi Wright & J. Kennedy, 1984 † - (FORBESICERATIDAE) (FOSSIL)
- baylorense, Endoceras baylorense Ulrich & al., 1944 † - (ENDOCERATIDAE) (FOSSIL)
- baylorense, Metalegoceras baylorense (White, 1891 †) - (METALEGOCERATIDAE) (FOSSIL)
- baylorense, Metacoceras baylorense Miller & Youngquist, 1949 † - (TAINOCERATIDAE) (FOSSIL)
- baylorensis, Goniatites baylorensis White, 1891 † - syn of: Metalegoceras baylorense (White, 1891 †) - (GONIATITIDAE) (FOSSIL)
- baynhami, Ptychobela baynhami (E.A. Smith, 1891) - (PSEUDOMELATOMIDAE)
- bayoli, Achatina achatina bayoli P.M.A. Morelet, 1888 - (ACHATINIDAE)
- bayonai, Prunum bayonai T. Cossignani, 2009 - (MARGINELLIDAE)
- bayonet, Gracilitheca bayonet (G.F. Matthew, 1899 †) - (GRACILITHECIDAE) (FOSSIL)
- bayoni, Renea bayoni C. Pollonera, 1905 - syn of: Renea elegantissima N. Pini, 1886 - (ACICULIDAE)
- bayoniana, Achatina bayoniana P.M.A. Morelet, 1868 - (ACHATINIDAE)
- bayonnensis, Mercuria bayonnensis (É.A.A. Locard, 1894) - (HYDROBIIDAE)
- bayosense, Parvamussium bayosense del Rio & al., 2008 † - (PROPEAMUSSIIDAE) (FOSSIL)
- bayrdi, Eudolium bayrdi A.E. Verrill, 1887 - syn of: Eudolium bairdii (A.E. Verrill & S. Smith, 1881) - (TONNIDAE)
- baysunensis, Myophorella baysunensis Repman, 1963 † - (MYOPHORELLIDAE) (FOSSIL)
- bazavlukensis, Viviparus bazavlukensis (Datsenko, 2000 †) - (VIVIPARIDAE) (FOSSIL)
- bazini, Cardium bazini G.P. Deshayes, 1858 † - (CARDIIDAE) (FOSSIL)
- bazini, Volvarina bazini F.P. Jousseaume, 1875 - (MARGINELLIDAE)
- bazini, Lamprotula bazini (P.M. Heude, 1877) - (UNIONIDAE)
- baziniana, Formosana baziniana (P.M. Heude, 1889) - (CLAUSILIIDAE)
- bazzettae, Vitrea bazzettae C. Pollonera, 1885 - syn of: Vitrea subrimata (O.W.H. Reinhardt, 1871) - (PRISTILOMATIDAE)
- bazzocchii, Marshallopsis bazzocchii A. Cecalupo & I. Perugia, 2014 - (CERITHIOPSIDAE)
- bbugeae, Calyptoliva bbugeae Y.I. Kantor, A.E. Fedosov & al., 2016 - (OLIVIDAE)
- bchirikvarensis, Staja bchirikvarensis (Badzoshvili, 1979 †) - (HYDROBIIDAE) (FOSSIL)
- beachi, Gymnotoceras beachi McLearn, 1946 † - syn of: Eogymnotoceras beachi (McLearn, 1946 †) - (BEYRICHITIDAE) (FOSSIL)
- beachi, Eogymnotoceras beachi (McLearn, 1946 †) - (CERATITIDAE) (FOSSIL)
- beachi, Leiodistichites beachi Tozer, 1994 † - (DISTICHITIDAE) (FOSSIL)
- beachi, Teredo beachi P. Bartsch, 1921 - syn of: Teredo navalis C. Linnaeus, 1758 - (TEREDINIDAE)
- beachi, Trochonema beachi R.P. Whitfield, 1878 † - (TROCHONEMATIDAE) (FOSSIL)
- beachportense, Epitonium beachportense (B.C. Cotton & F.C. Godfrey, 1938) - (EPITONIIDAE)
- beachportensis, Amalda beachportensis (J.C. Verco, 1909) - (ANCILLARIIDAE)
- beachportensis, Anachis beachportensis (J.C. Verco, 1910) - (COLUMBELLIDAE)
- beachportensis, Nucula beachportensis J.C. Verco, 1907 - (NUCULIDAE)
- beachportensis, Philine beachportensis J.C. Verco, 1909 - (PHILINIDAE)
- beachportensis, Epidirona beachportensis (B.C. Cotton & F.C. Godfrey, 1938) - (PSEUDOMELATOMIDAE)
- beachportensis, Cantharidella beachportensis B.C. Cotton & F.C. Godfrey, 1934 - (TROCHIDAE)
- beadleiana, Elliptio beadleiana I. Lea, 1861 - syn of: Pleurobema beadleianum (I. Lea, 1861) - (UNIONIDAE)
- beadleianum, Pleurobema beadleianum (I. Lea, 1861) - (UNIONIDAE)
- beaglensis, Crenatosipho beaglensis K. Linse, 2002 - (BUCCINIDAE)
- bealei, Anodonta bealei I. Lea, 1863 - syn of: Anodonta grandis T. Say, 1829 - (UNIONIDAE)
- bealei, Unio bealei I. Lea, 1862 - syn of: Toxolasma texasiensis I. Lea, 1838 - (UNIONIDAE)
- beali, Conus beali Carson, 1926 † - (CONIDAE) (FOSSIL)
- beali, Prunum beali (J.T.L. McGinty, 1940) - (MARGINELLIDAE)
- beali, Marginella beali J.T.L. McGinty, 1940 - syn of: Prunum beali (J.T.L. McGinty, 1940) - (MARGINELLIDAE)
- beali, Pecten beali L.G. Hertlein, 1925 † - (PECTINIDAE) (FOSSIL)
- beali, Turbonilla beali H.K. Jordan, 1936 - (PYRAMIDELLIDAE)
- bealiana, Drillia bealiana (J.S. Schwengel & J.T.L. McGinty, 1942) - (DRILLIIDAE)
- bealiana, Douglassia bealiana J.S. Schwengel & J.T.L. McGinty, 1942 - syn of: Drillia bealiana (J.S. Schwengel & J.T.L. McGinty, 1942) - (DRILLIIDAE)
- bealsi, Notadusta hungerfordi bealsi (D.K. Mock, 1996) - (CYPRAEIDAE)
- bealsi, Trivellona bealsi G. Rosenberg & H.E. Finley, 2001 - (TRIVIIDAE)
- beambrae, Kalidos beambrae K.C. Emberton, 2007 - (ARIOPHANTIDAE)
- beamensis, Turricula beamensis M.A. Peyrot, 1925 † - (CLAVATULIDAE) (FOSSIL)
- beana, Lyonsia beana D'Orbigny, 1853 - syn of: Entodesma brasiliense (A.A. Gould, 1850) - (LYONSIIDAE)
- beana, Entodesma beana D'Orbigny, 1853 - syn of: Entodesma brasiliense (A.A. Gould, 1850) - (LYONSIIDAE)
- beananae, Boucardicus beananae E. Fischer-Piette & J. Bedoucha, 1965 - (CYCLOPHORIDAE)
- beandreana, Gulella beandreana K.C. Emberton, 2001 - (STREPTAXIDAE)
- Beanella, syn of: Genus Leptochiton J.E. Gray, 1847 (LEPTOCHITONIDAE)
- beani, Ammonites beani C.T. Simpson, 1843 † - syn of: Haugia beani (C.T. Simpson, 1843 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- beani, Paracrioceras beani (A.T. Young & Bird, 1828 †) - (ANCYLOCERATIDAE) (FOSSIL)
- beani, Brachioteuthis beani A.E. Verrill, 1881 - (BRACHIOTEUTHIDAE)
- beani, Cocculina beani W.H. Dall, 1881 - syn of: Propilidium scabrosum J.G. Jeffreys, 1883 - (COCCULINIDAE)
- beani, Haugia beani (C.T. Simpson, 1843 †) - (PHYMATOCERATIDAE) (FOSSIL)
- beani, Proconulus beani Cox & Arkell † - (PROCONULIDAE) (FOSSIL)
- beani, Alvania beani (S.C.T. Hanley & Thorpe, 1844 †) - (RISSOIDAE) (FOSSIL)
- Beania, syn of: Genus Lepidochitona J.E. Gray, 1821 (LEPIDOCHITONIDAE)
- beaniana, Thracia beaniana C.A. Récluz, 1845 - syn of: Thracia phaseolina (J.B.P.A. Lamarck, 1818) - (THRACIIDAE)
- Beaniceras, Subgenus Aegoceras (Beaniceras) D'Orbigny, 1844 † (LIPAROCERATIDAE) (FOSSIL)
- beanii, Cerithium beanii P. Morris & J. Lycett, 1851 † - (CERITHIIDAE) (FOSSIL)
- beanii, Fedikovella beanii (W.H. Dall, 1882) - (COCCULINIDAE)
- beanii, Hamites beanii (Young & Bird, 1828 †) - (HAMITIDAE) (FOSSIL)
- beanii, Cyanoplax beanii (P.P. Carpenter, 1857) - (LEPIDOCHITONIDAE)
- beanii, Lepidopleurus beanii P.P. Carpenter, 1857 - syn of: Cyanoplax beanii (P.P. Carpenter, 1857) - (LEPTOCHITONIDAE)
- beanii, Littorina beanii W. Macgillivray, 1843 - syn of: Littorina fabalis (W. Turton, 1825) - (LITTORINIDAE)
- beanii, Alvania beanii (S.C.T. Hanley in C. Thorpe, 1844) - (RISSOIDAE)
- beanii calathus, Alvania beanii calathus E. Forbes & S.C.T. Hanley, 1850 - (RISSOIDAE)
- beanii quadricinctum, Cerithium beanii quadricinctum Hudleston † - (CERITHIIDAE) (FOSSIL)
- beanii weldonis, Cerithium beanii weldonis Hudleston † - (CERITHIIDAE) (FOSSIL)
- beanka, Ampelita beanka R.J. Griffiths & D.G. Herbert, 2013 - (ACAVIDAE)
- beantalyense, Gaudryceras beantalyense M. Collignon, 1956 † - (GAUDRYCERATIDAE) (FOSSIL)
- beanyi, Euhoplites beanyi Milbourne † - (HOPLITIDAE) (FOSSIL)
- beardi, Bernaya beardi F.P. Jousseaume 1884 † - (CYPRAEIDAE) (FOSSIL)
- beardi, Liguus fasciatus beardi A.M. Jones, 1979 - (ORTHALICIDAE)
- beardsleana, Geomelania beardsleana (C.B. Adams, 1849) - (TRUNCATELLIDAE)
- bearizensis, Spirancilla bearizensis J.M. Pacaud, D. Merle & Pons, 2013 † - (ANCILLARIIDAE) (FOSSIL)
- Bearizia, Genus Bearizia Pacaud, Merle & Pons, 2013 † (ANCILLARIIDAE) (FOSSIL)
- bearlakensis, Silberlingeria bearlakensis (Kummel, 1969 †) - (LONGOBARDITIDAE) (FOSSIL)
- bearnensis, Bythinella bearnensis A.E.M. Cossmann & M.A. Peyrot, 1918 † - (BYTHINELLIDAE) (FOSSIL)
- bearnensis, Cancellaria barjonae bearnensis Da Costa, 1867 † - (CANCELLARIIDAE) (FOSSIL)
- bearnensis, Megacardita jouanneti bearnensis A.E.M. Cossmann & M.A. Peyrot, 1912 † - (CARDITIDAE) (FOSSIL)
- bearnensis, Altaspiratella bearnensis Curry, 1982 † - (LIMACINIDAE) (FOSSIL)
- bearnensis, Nassarius bearnensis M.A. Peyrot, 1924 † - (NASSARIIDAE) (FOSSIL)
- bearnensis, Tympanotonos margaritaceus bearnensis A.E.M. Cossmann & M.A. Peyrot, 1922 † - (POTAMIDIDAE) (FOSSIL)
- bearnensis, Rissoina bearnensis A.E.M. Cossmann & M.A. Peyrot, 1919 † - (RISSOINIDAE) (FOSSIL)
- bearnensis, Skaptotion bearnensis Curry, 1982 † - (THECOSOMATA (UNASSIGNED)) (FOSSIL)
- bearnensis, Turritella bearnensis A.E.M. Cossmann & M.A. Peyrot, 1921 † - (TURRITELLIDAE) (FOSSIL)
- bearnicus, Obscurella bearnicus J.R. Bourguignat, 1891 - syn of: Cochlostoma obscurum (J.P.R. Draparnaud, 1801) - (COCHLOSTOMATIDAE)
- bearpawense, Solenoceras bearpawense J. Kennedy & al., 2000 † - (DIPLOMOCERATIDAE) (FOSSIL)
- bearriverensis, Keyserlingites bearriverensis Kummel, 1969 † - syn of: Silberlingeria bearlakensis (Kummel, 1969 †) - (SIBIRITIDAE) (FOSSIL)
- bearskinense, Pseudouhligella bearskinense McLearn, 1972 † - (DESMOCERATIDAE) (FOSSIL)
- beasleyi, Ataxocerithium beasleyi B.C. Cotton & F.C. Godfrey, 1938 - (NEWTONIELLIDAE)
- beata, Achatinella apexfulva beata H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- beata, Canariella fortunata beata (T.V. Wollaston, 1878) - (CANARIELLIDAE)
- beata, Cancellaria beata P.O. Jung, 1965 † - (CANCELLARIIDAE) (FOSSIL)
- beata, Purpurocardia beata (J. Marwick, 1928 †) - (CARDITIDAE) (FOSSIL)
- beata, Nassa beata A.A. Gould, 1860 † - syn of: Tritia sinusigera (A. Adams, 1852) - (NASSARIIDAE) (FOSSIL)
- beatensis, Chondropoma beatensis W.J. Clench, 1932 - (POMATIIDAE)
- beatensis, Macroceramus beatensis P. Bartsch, 1932 - (UROCOPTIDAE)
- beatensis armouri, Chondropoma beatensis armouri W.J. Clench, 1932 - (POMATIIDAE)
- beathiana, Pineria beathiana F. Poey, 1854 - (UROCOPTIDAE)
- Beatites, Genus Beatites Arthaber, 1911 † (ASPENITIDAE) (FOSSIL)
- beatricae, Pustularia chiapponii beatricae F.Jr. Lorenz, 2014 - (CYPRAEIDAE)
- beatricae, Sinum beatricae K.V.W. Palmer, 1937 † - (NATICIDAE) (FOSSIL)
- beatrice, Paupospira beatrice (Foerste, 1914 †) - (LOPHOSPIRIDAE) (FOSSIL)
- beatriceae, Bela beatriceae (P. Mariottini, 2007) - (MANGELIIDAE)
- beatricis, Thersites beatricis C.M. Tapparone-Canefri, 1883 - (CAMAENIDAE)
- beatrix, Papuina beatrix G.F. Angas, 1876 - (CAMAENIDAE)
- beatrix, Agatrix beatrix (A.A. Olsson, 1964 †) - (CANCELLARIIDAE) (FOSSIL)
- beatrix, Turriconus beatrix (M.J. Tenorio, G.T. Poppe & S.P. Tagaro, 2007) - (CONIDAE)
- beatrix, Turriconus beatrix M.J. Tenorio, G.T. Poppe & S.P. Tagaro, 2007 - syn of: Turriconus beatrix (M.J. Tenorio, G.T. Poppe & S.P. Tagaro, 2007) - (CONIDAE)
- beatrix, Gemma beatrix (G.F. Angas, 1879) - (HELICINIDAE)
- beatrix, Serrata beatrix (T. Cossignani, 2001) - (MARGINELLIDAE)
- beatrix, Styloptygma beatrix (J.C. Melvill, 1910) - (PYRAMIDELLIDAE)
- beatrix confusa, Gemma beatrix confusa (A.J. Wagner, 1908) - (VENERIDAE)
- beatrix nicaraguae, Gemma beatrix nicaraguae (A.J. Wagner, 1908) - (VENERIDAE)
- beatrix riopejensis, Gemma beatrix riopejensis I. Richling, 2004 † - (VENERIDAE) (FOSSIL)
- beattiei, Hemitrochus beattiei C.G. Aguayo & M.L. Jaume, 1957 - (CEPOLIDAE)
- beattii, Lecanites beattii McLearn, 1947 † - syn of: Parisculites mundus (McLearn, 1947 †) - (LECANITIDAE) (FOSSIL)
- beattyi, Mesembrinus elongatus beattyi W.J. Clench, 1951 - (BULIMULIDAE)
- beattyi, Cerithidea beattyi J.C. Bequaert, 1942 † - syn of: Vatopsis rasmusseni Schnetler, 2001 † - (POTAMIDIDAE) (FOSSIL)
- beatula, Micrarionta beatula T.D.A. Cockerell, 1929 - (HELMINTHOGLYPTIDAE)
- beatum, Sphaerorthoceras beatum Ristedt, 1968 † - (SPHAERORTHOCERATIDAE) (FOSSIL)
- beatus, Armatites beatus Becker, 1993 † - (TORNOCERATIDAE) (FOSSIL)
- beatus, Xenodiscoides beatus F.S. Xu, 1988 † - (XENOCELTITIDAE) (FOSSIL)
- beauchampii, Quadrula beauchampii W.A. Marsh, 1902 - syn of: Fusconaia subrotunda (I. Lea, 1831) - (UNIONIDAE)
- beaudouini, Trochulus beaudouini É.A.A. Locard, 1887 - syn of: Trichia hispida (C. Linnaeus, 1758) - (HYGROMIIDAE)
- beaufortana, Teredo beaufortana P. Bartsch, 1922 - syn of: Teredo navalis C. Linnaeus, 1758 - (TEREDINIDAE)
- beaufortensis, Caecum beaufortensis Ward & B.W. Blackwelder, 1987 † - (CAECIDAE) (FOSSIL)
- beaufortensis, Balcis beaufortensis Ward & B.W. Blackwelder, 1987 † - (EULIMIDAE) (FOSSIL)
- beaufortensis, Fasciolaria beaufortensis Ward & B.W. Blackwelder, 1987 † - (FASCIOLARIIDAE) (FOSSIL)
- beaufortensis, Mysella beaufortensis Ward & B.W. Blackwelder, 1987 † - (MONTACUTIDAE) (FOSSIL)
- beaufortensis, Orinella beaufortensis L.W. Ward & B.W. Blackwelder, 1987 † - (PYRAMIDELLIDAE) (FOSSIL)
- beaufortensis, Chrysallida beaufortensis L.W. Ward & B.W. Blackwelder, 1987 † - (PYRAMIDELLIDAE) (FOSSIL)
- beaufortensis, Teinostoma beaufortensis Ward & B.W. Blackwelder, 1987 † - (TORNIDAE) (FOSSIL)
- beaufortensis, Turritella beaufortensis Ward & B.W. Blackwelder, 1987 † - (TURRITELLIDAE) (FOSSIL)
- beauforti, Dominamaria beauforti W.S.S. Van Benthem-Jutting, 1963 - (ASSIMINEIDAE)
- beauforti, Acrosterigma beauforti B. Prashad, 1932 - syn of: Acrosterigma impolitum (G.B. II Sowerby, 1841) - (CARDIIDAE)
- beauforti, Seila beauforti C. Thiriot-Quiévreux, 1980 - (CERITHIOPSIDAE)
- beauforti, Cinerascens cinerascens beauforti (S. Clessin, 1887) - (COCHLOSTOMATIDAE)
- beauforti, Odostomia beauforti A. Jacot, 1921 - (PYRAMIDELLIDAE)
- beauforti, Unio beauforti A.R.J.B. Bavay, 1908 - syn of: Velesunio anodontaeformis (C.M. Tapparone-Canefri, 1883) - (UNIONIDAE)
- beaui, Eulithidium beaui (R. Robertson, 1958) - (PHASIANELLIDAE)
- beauiana, Pholas beauiana C.A. Récluz, 1853 - syn of: Martesia striata (C. Linnaeus, 1758) - (PHOLADIDAE)
- beauiana, Martesia beauiana C.A. Récluz, 1853 - syn of: Martesia striata (C. Linnaeus, 1758) - (PHOLADIDAE)
- beauiana, Osteodesma beauiana P. Fischer, 1857 - syn of: Entodesma brasiliense (A.A. Gould, 1850) - (THRACIIDAE)
- beauianus, Amphicyclotus beauianus (S.A.A. Petit De La Saussaye, 1853) - (NEOCYCLOTIDAE)
- beauii, Cylindrobulla beauii P. Fischer, 1857 - (CYLINDROBULLIDAE)
- beauii, Lyonsia beauii R. Arango, 1878 - syn of: Entodesma brasiliense (A.A. Gould, 1850) - (LYONSIIDAE)
- beauii, Siratus beauii (P. Fischer & A.C. Bernardi, 1857) - (MURICIDAE)
- beauii, Antillophos beauii (P. Fischer & A.C. Bernardi, 1857) - (NASSARIIDAE)
- beauii, Cyclostremiscus beauii (Fischer, 1857) - (TORNIDAE)
- beauii, Venus beauii C.A. Récluz, 1852 - syn of: Leukoma subrostrata (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- beauii, Lyria beauii (P. Fischer & A.C. Bernardi, 1857) - (VOLUTIDAE)
- beauii archeri, Lyria beauii archeri (G.F. Angas, 1865) - (VOLUTIDAE)
- beauii bicarinatus, Cyclostremiscus beauii bicarinatus (R.J.L. Guppy, 1866 †) - (TORNIDAE) (FOSSIL)
- beauii branchi, Siratus beauii branchi W.J. Clench, 1953 - (MURICIDAE)
- beauii sabaensis, Mitraelyria beauii sabaensis P. Bail, 1993 - syn of: Lyria sabaensis P. Bail, 1993 - (VOLUTIDAE)
- beauii sabaensis, Lyria beauii sabaensis P. Bail, 1993 - syn of: Lyria sabaensis P. Bail, 1993 - (VOLUTIDAE)
- beauii vegai, Lyria beauii vegai W.J. Clench & H. Turner, 1967 - syn of: Lyria vegai W.J. Clench & H. Turner, 1967 - (VOLUTIDAE)
- beauliziense, Pseudolioceras beauliziense (Monestier †) - (HILDOCERATIDAE) (FOSSIL)
- beaumetzi, Brotia beaumetzi A. Brot, 1887 - (PACHYCHILIDAE)
- beaumieri, Loxana beaumieri (A. Mousson, 1874) - (HELICIDAE)
- beaumieri demnatensis, Loxana beaumieri demnatensis (A. Mousson, 1874) - (HELICIDAE)
- beaumieri rostrata, Loxana beaumieri rostrata (P.M. Pallary, 1926) - (HELICIDAE)
- Beaumieriana, syn of: Subgenus Alabastrina (Loxana) J.R. Bourguignat, 1898 (HELICIDAE)
- beaumonti, Anisocardia beaumonti (d'Archiac, 1843 †) - (ARCTICIDAE) (FOSSIL)
- beaumonti, Doris beaumonti G.P. Farran, 1903 - syn of: Diaphorodoris luteocincta (G.O. Sars, 1870) - (DORIDIDAE)
- beaumonti, Cumanotus beaumonti (C.N.E. Eliot, 1906) - (FLABELLINIDAE)
- beaumonti, Devonorhineoderma beaumonti (d'Archiac & de Verneuil, 1842 †) - (GOSSELETINIDAE) (FOSSIL)
- beaumonti, Megalotachea beaumonti (Mathéron, 1842) † - (HELICIDAE) (FOSSIL)
- beaumonti, Worthenia beaumonti Klipstein, 1843 † - syn of: Rinaldoella beaumonti (Klipstein, 1843 †) - (LOPHOSPIRIDAE) (FOSSIL)
- beaumonti, Ocenebra beaumonti (J.P.S. Grateloup, 1840 †) - (MURICIDAE) (FOSSIL)
- beaumonti, Mytilus beaumonti de Verneuil, 1845 † - (MYTILIDAE) (FOSSIL)
- beaumonti, Stigmaulax beaumonti R.F. Rutsch, 1934 † - (NATICIDAE) (FOSSIL)
- beaumonti, Diaphorodoris beaumonti G.P. Farran, 1904 - syn of: Diaphorodoris luteocincta (G.O. Sars, 1870) - (ONCHIDORIDIDAE)
- beaumonti, Cyrtoceras beaumonti Barrande, 1866 † - syn of: Protophragmoceras beaumonti (Barrande, 1866 †) - (ONCOCERIDA (unassigned)) (FOSSIL)
- beaumonti, Pachyrisma beaumonti Zejszner, 1862 † - (PACHYRISMATIDAE) (FOSSIL)
- beaumonti, Protophragmoceras beaumonti (Barrande, 1866 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- beaumonti, Supplanaxis beaumonti (Bayan, 1870) † - (PLANAXIDAE) (FOSSIL)
- beaumonti, Hemistomia beaumonti W.F. Ponder, 1982 - (TATEIDAE)
- beaumonti, Gibbula beaumonti (Orbigny, 1844 †) - (TROCHIDAE) (FOSSIL)
- beaumonti, Rinaldoella beaumonti (Klipstein, 1843 †) - (WORTHENIELLIDAE) (FOSSIL)
- beaumontiana, Harpagodes beaumontiana (A.V.M.D. D'Orbigny, 1842 †) - (HARPAGODIDAE) (FOSSIL)
- beaumontiana, Plicatula beaumontiana M. Rouault † - (PLICATULIDAE) (FOSSIL)
- beaumontianum, Forbesiceras beaumontianum (A.V.M.D. D'Orbigny, 1840 †) - (FORBESICERATIDAE) (FOSSIL)
- beaumontianus, Belemnites beaumontianus A.V.M.D. D'Orbigny, 1842 † - (BELEMNITELLIDAE) (FOSSIL)
- beaumontii, Goniatites beaumontii Klipstein, 1843 † - (GONIATITIDAE) (FOSSIL)
- beaumontii, Goniatites beaumontii G.G. Münster † - syn of: Sporadoceras beaumontii G.G. Münster † - (GONIATITIDAE) (FOSSIL)
- beaumontii, Murex beaumontii J.P.S. Grateloup, 1847 † - syn of: Ocenebra suberinacea (B. de Basterot, 1825 †) - (MURICIDAE) (FOSSIL)
- beaumontii, Pleurotomaria beaumontii Klipstein, 1843 † - syn of: Rinaldoella beaumonti (Klipstein, 1843 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- beaumontii, Sporadoceras beaumontii G.G. Münster † - (SPORADOCERATIDAE) (FOSSIL)
- beaverensis, Inyoites beaverensis Brayard & al., 2013 † - (INYOITIDAE) (FOSSIL)
- beaverensis, Unio beaverensis I. Lea, 1868 - syn of: Unio abbevillensis I. Lea, 1857 - (UNIONIDAE)
- beaveri, Pecten beaveri J. de C. Sowerby, 1817 † - (PECTINIDAE) (FOSSIL)
- bebae, Pachybathron bebae C. Fernández & E. Rolán, 1995 - (CYSTISCIDAE)
- bebae, Cymbovula bebae F. Fernandes & E. Rolán, 1995 - (OVULIDAE)
- bebae, Cymbula bebae C. Fernández & E. Rolán, 1995 - syn of: Cymbovula bebae F. Fernandes & E. Rolán, 1995 - (PATELLIDAE)
- beberianus, Peristernia beberianus Martin, 1921 † - (FASCIOLARIIDAE) (FOSSIL)
- beberkiriana, Barycypraea beberkiriana (Martin, 1899 †) - (CYPRAEIDAE) (FOSSIL)
- beberkiriana, Atys beberkiriana K. Martin, 1906 - (HAMINOEIDAE)
- beberkiriana, Tateiwaia beberkiriana (K. Martin, 1899 †) - (POTAMIDIDAE) (FOSSIL)
- beberkirianus, Nassarius beberkirianus (K. Martin & Icke, 1906 †) - (NASSARIIDAE) (FOSSIL)
- bebias, Helix bebias J.W. Brazier, 1878 - syn of: Sphaerospira cookensis (J.W. Brazier, 1875) - (HELICIDAE)
- bebini, Troschelvindex bebini (R. Arango, 1865) - (POMATIIDAE)
- beblammena, Turris beblammena (R. Sturany, 1903) - (TURRIDAE)
- bebokae, Gulella bebokae K.C. Emberton, 2001 - (STREPTAXIDAE)
- Becanites, Genus Becanites Korn , 1997 † (PROLECANITIDAE) (FOSSIL)
- becasis, Montserratina becasis (J.P. Rambur, 1868) - (HYGROMIIDAE)
- becaudi, Orthildaites becaudi Kovács, 2011 † - (HILDOCERATIDAE) (FOSSIL)
- becca, Thyasira becca † - (THYASIRIDAE) (FOSSIL)
- becca cobbani, Thyasira becca cobbani Kauffman, 1967 † - (THYASIRIDAE) (FOSSIL)
- beccari, Testacella beccari A. Issel, 1868 - syn of: Testacella scutulum G.B. I Sowerby, 1821 - (TESTACELLIDAE)
- Beccaria, syn of: Genus Caliphylla A. da Costa, 1869 (CALIPHYLLIDAE)
- Beccaria, syn of: Genus Pseudopeas S. Putzeys, 1899 (SUBULINIDAE)
- beccarianus, Virgus beccarianus (C.M. Tapparone-Canefri, 1883) - (HYRIIDAE)
- beccarii, Parmarion beccarii A. Issel, 1874 - (ARIOPHANTIDAE)
- beccarii, Amphidromus beccarii C.M. Tapparone-Canefri, 1883 - (CAMAENIDAE)
- beccarii, Gastroptychia beccarii (A. Issel, 1874) - (DIPLOMMATINIDAE)
- beccarii, Littorina beccarii C.M. Tapparone-Canefri, 1875 - syn of: Fossarus beccarii (C.M. Tapparone-Canefri, 1875) - (LITTORINIDAE)
- beccarii, Nassa beccarii J. Bisacchi, 1930 - syn of: Nassarius crebricostatus (M.M. Schepman, 1911) - (NASSARIIDAE)
- beccarii, Fossarus beccarii (C.M. Tapparone-Canefri, 1875) - (PLANAXIDAE)
- beccarii, Bulinus beccarii A. Paladilhe, 1872 - (PLANORBIDAE)
- beccarii, Oscilla beccarii (A. Hornung & G. Mermod, 1924) - (PYRAMIDELLIDAE)
- beccarii, Septa beccarii C.M. Tapparone-Canefri, 1875 - syn of: Monoplex pilearis (C. Linnaeus, 1758) - (RANELLIDAE)
- beccarii, Triton beccarii C.M. Tapparone-Canefri, 1875 - syn of: Monoplex pilearis (C. Linnaeus, 1758) - (RANELLIDAE)
- beccarii, Latipes beccarii (I. Coifmann, 1935) - (VERONICELLIDAE)
- becenensis, Theodoxus becenensis (Cobalcescu, 1883 †) - (NERITIDAE) (FOSSIL)
- bechei, Nemocardium bechei (L.A. Reeve, 1847) - (CARDIIDAE)
- bechei, Becheiceras bechei J. de C. Sowerby, 1821 † - (LIPAROCERATIDAE) (FOSSIL)
- Becheiceras, Subgenus Liparoceras (Becheiceras) Sowerby, 1821 † (LIPAROCERATIDAE) (FOSSIL)
- becheri, Ammonites becheri von Buch, 1832 † - syn of: Lunupharciceras becheri (von Buch, 1832 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- becheri, Lunupharciceras becheri (von Buch, 1832 †) - (PHARCICERATIDAE) (FOSSIL)
- becheri, Posidonia becheri H.G. Bronn, 1828 † - (POSIDONIIDAE) (FOSSIL)
- bechevi, Bythiospeum bechevi D.G. Georgiev & P. Glöer, 2013 - (HYDROBIIDAE)
- bechevillersensis, Spirancilla bechevillersensis J.M. Pacaud, D. Merle & Pons, 2013 † - (ANCILLARIIDAE) (FOSSIL)
- bechi, Napaeinus bechi M.R. Alonso & C.M. Ibáñez, 1993 - (ENIDAE)
- bechi, Corneola desmoulinsi bechi C. Altimira, 1959 - (HELICIDAE)
- bechteli, Eremarionta rowelli bechteli (W.K. Emerson & E.R. Jacobson, 1964) - (HELMINTHOGLYPTIDAE)
- Bechtelia, syn of: Genus Marsupina W.H. Dall, 1904 (BURSIDAE)
- bechteri, Amaltheus bechteri (Frentzen †) - (AMALTHEIDAE) (FOSSIL)
- beckei, Trachysagenites beckei Diener, 1921 † - (HALORITIDAE) (FOSSIL)
- beckeri, Gymnotoceras beckeri Smith, 1914 † - syn of: Parafrechites meeki (Mojsisovics, 1888 †) - (BEYRICHITIDAE) (FOSSIL)
- beckeri, Lienardia beckeri (G.B. III Sowerby, 1906) - (CLATHURELLIDAE)
- beckeri, Costoanachis beckeri (G.B. III Sowerby, 1900) - (COLUMBELLIDAE)
- beckeri, Columbella beckeri G.B. III Sowerby, 1900 - syn of: Costoanachis beckeri (G.B. III Sowerby, 1900) - (COLUMBELLIDAE)
- beckeri, Conus beckeri G.B. III Sowerby, 1911 - syn of: Sciteconus pictus (L.A. Reeve, 1843) - (CONIDAE)
- beckeri, Koenenites beckeri House & Kirchgasser, 2008 † - (KOENENITIDAE) (FOSSIL)
- beckeri, Primovula beckeri (G.B. III Sowerby, 1900) - (OVULIDAE)
- beckeri, Solariella beckeri G.B. III Sowerby, 1901 - syn of: Solariella fuscomaculata G.B. III Sowerby, 1892 - (SOLARIELLIDAE)
- beckeri, Stenogyra beckeri H.C. Fulton, 1907 - (SUBULINIDAE)
- beckeri, Oxyloma beckeri P.D. Lanzieri, 1966 - (SUCCINEIDAE)
- beckeri, Protrachyceras beckeri Smith, 1927 † - syn of: Protrachyceras storrsi Smith, 1927 † - (TRACHYCERATIDAE) (FOSSIL)
- beckeri, Gibbula beckeri G.B. III Sowerby, 1901 - (TROCHIDAE)
- beckeri tropica, Primovula beckeri tropica F.A. Schilder, 1931 - syn of: Primovula tropica F.A. Schilder, 1931 - (OVULIDAE)
- becketti, Pachnodus becketti J. Gerlach, 1994 - (CERASTUIDAE)
- becki, Nodulus becki W.H. Turton, 1932 - syn of: Pelycidion africanum (P. Bartsch, 1915) - (ANABATHRIDAE)
- becki, Cerithiopsis becki W.H. Turton, 1932 - syn of: Cerithiopsis exquisita G.B. III Sowerby, 1897 - (CERITHIOPSIDAE)
- becki, Melanella becki (W.H. Turton, 1932) - (EULIMIDAE)
- becki, Clathrosepta becki J.H. McLean & D.L. Geiger, 1998 - (FISSURELLIDAE)
- becki, Lima becki C.A. Fleming, 1955 † - (LIMIDAE) (FOSSIL)
- becki, Marginella becki W.H. Turton, 1933 - syn of: Marginella piperata R.B. Hinds, 1844 - (MARGINELLIDAE)
- becki, Mitra becki W.H. Turton, 1933 - syn of: Austromitra kowieensis (G.B. III Sowerby, 1901) - (MITRIDAE)
- becki, Nerita becki C.A. Récluz - syn of: Neritina pulligera (C. Linnaeus, 1767) - (NERITIDAE)
- becki, Patella becki W.H. Turton, 1932 - syn of: Cymbula miniata (I. von Born, 1778) - (PATELLIDAE)
- becki, Pelycidion becki (W.H. Turton, 1932) - (PELYCIDIIDAE)
- becki, Planorbis becki R.W. Dunker, 1886 - syn of: Biomphalaria glabrata (T. Say, 1818) - (PLANORBIDAE)
- becki, Protocycloceras becki (Billings, 1859 †) - (PROTOCYCLOCERATIDAE) (FOSSIL)
- becki, Odostomia becki W.H. Turton, 1933 - (PYRAMIDELLIDAE)
- becki, Rissoella becki W.H. Turton, 1932 - (RISSOELLIDAE)
- becki, Clanculus becki W.H. Turton, 1932 - syn of: Clanculus miniatus (H.E. Anton, 1838) - (TROCHIDAE)
- becki, Dosinia becki W.H. Turton, 1932 - syn of: Dosinia hepatica (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- beckiana, Trochomorpha beckiana (O.F. von Möllendorff, 1842) - (TROCHOMORPHIDAE)
- Beckianum, Genus Beckianum H.B. Baker, 1961 (SUBULINIDAE)
- beckianum, Beckianum beckianum (L. Pfeiffer, 1846) - (SUBULINIDAE)
- beckianum gabbianum, Beckianum beckianum gabbianum (G.F. Angas, 1879) - (SUBULINIDAE)
- beckianus, Bulimus beckianus L. Pfeiffer, 1846 - syn of: Beckianum beckianum (L. Pfeiffer, 1846) - (BULIMULIDAE)
- beckii, Bufonaria beckii L.C. Kiener, 1841 - syn of: Bufonaria rana (C. Linnaeus, 1758) - (BURSIDAE)
- beckii, Erosaria beckii (J.S. Gaskoin, 1836) - (CYPRAEIDAE)
- beckii, Cypraea beckii J.S. Gaskoin, 1836 - syn of: Erosaria beckii (J.S. Gaskoin, 1836) - (CYPRAEIDAE)
- beckii, Clavus beckii (L.A. Reeve, 1842) - (DRILLIIDAE)
- beckii, Fusinus beckii (L.A. Reeve, 1848) - (FASCIOLARIIDAE)
- beckii, Pandorina beckii W. Leche, 1878 - syn of: Lyonsia arenosa (H.P.C. Møller, 1842) - (LYONSIIDAE)
- beckii, Oenopota beckii H.P.C. Møller, 1842 - syn of: Oenopota violacea (J.W. Mighels & C.B. Adams, 1842) - (MANGELIIDAE)
- beckii, Murex beckii R.A. Philippi, 1847 - syn of: Takia rosarium beckii (R.A. Philippi, 1847) - (MURICIDAE)
- beckii, Takia rosarium beckii (R.A. Philippi, 1847) - (MURICIDAE)
- beckii, Ranella beckii L.C. Kiener, 1841 - syn of: Bufonaria rana (C. Linnaeus, 1758) - (RANELLIDAE)
- beckii, Liocyma beckii W.H. Dall, 1870 - syn of: Liocyma fluctuosa (A.A. Gould, 1841) - (VENERIDAE)
- beckii, Adelomelon beckii (W.J. Broderip, 1836) - (VOLUTIDAE)
- beckii connexa, Adelomelon beckii connexa (F. Lahille, 1895) - (VOLUTIDAE)
- beckii fusiformis, Adelomelon beckii fusiformis (L.C. Kiener, 1839) - (VOLUTIDAE)
- beckii indigestus, Adelomelon beckii indigestus (H.F.A. von Ihering, 1908) - (VOLUTIDAE)
- becklemishevi, Curtitoma becklemishevi I.P. Bogdanov, 1989 - (MANGELIIDAE)
- becklesi, Ceratosiphon becklesi (Mantell, 1851 †) - (APORRHAIDAE) (FOSSIL)
- beckmanae, Pseudancylastrum beckmanae Y.I. Starobogatov, 1989 - (ACROLOXIDAE)
- beckmanni, Bythinella beckmanni A. Reischütz, P.L. Reischütz & W. Fischer, 2008 - (BYTHINELLIDAE)
- beckmanni, Pseudamnicola beckmanni P. Glöer & M.L. Zettler, 2007 - (HYDROBIIDAE)
- beckmanni, Ortizius beckmanni G. Falkner, 2007 - (OXYCHILIDAE)
- beckmanni, Truncatellina beckmanni J. Quintana, 2010 - (VERTIGINIDAE)
- beckneri, Cyrtodonta beckneri Conkin † - (CYRTODONTIDAE) (FOSSIL)
- becksii, Natica becksii Klipstein, 1843 † - (NATICIDAE) (FOSSIL)
- beckwithana, Shansiella beckwithana (McChesney, 1859 †) - (PORTLOCKIELLIDAE) (FOSSIL)
- beckwithiana, Pleurotomaria beckwithiana McChesney, 1859 † - syn of: Shansiella beckwithana (McChesney, 1859 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- beckyae, Hemipolygona beckyae (M.A. Snyder, 2000) - (FASCIOLARIIDAE)
- bedaliensis, Taiwanassiminea bedaliensis (B. Rensch, 1934) - (ASSIMINEIDAE)
- bedbouceki, Styliacus bedbouceki Alberti, 1985 † - (STYLIOLINIDAE) (FOSSIL)
- beddomae, Hadra beddomae J.W. Brazier, 1878 - (CAMAENIDAE)
- Beddomea, Genus Beddomea G. Nevill, 1878 (CAMAENIDAE)
- beddomeae, Corilla beddomeae (S.C.T. Hanley & W. Theobald, 1875) - (CORILLIDAE)
- beddomeana, Assiminea beddomeana G. Nevill, 1880 - syn of: Assiminea beddomiana G. Nevill, 1881 - (ASSIMINEIDAE)
- beddomeanum, Cyathopoma beddomeanum H.B. Preston, 1914 - (CYCLOPHORIDAE)
- beddomeanus, Subzebrinus beddomeanus (G. Nevill, 1878) - (ENIDAE)
- beddomei, Aclis beddomei P. Dautzenberg, 1912 - syn of: Acliceratia beddomei (P. Dautzenberg, 1912) - (ACLIDIDAE)
- beddomei, Hemiplecta beddomei (W.T. Blanford, 1874) - (ARIOPHANTIDAE)
- beddomei, Chloritis beddomei G.P.L.K. Gude, 1906 - (CAMAENIDAE)
- beddomei, Cardita beddomei E.A. Smith, 1885 - syn of: Purpurocardia amabilis (G.P. Deshayes, 1854) - (CARDITIDAE)
- beddomei, Zella beddomei (W.F. Petterd, 1884) - (COLUMBELLIDAE)
- beddomei, Conus beddomei G.B. III Sowerby, 1901 - syn of: Poremskiconus ziczac (J.K. Megerle Von Mühlfeld, 1816) - (CONIDAE)
- beddomei, Umbilia hesitata beddomei (F.A. Schilder, 1930) - (CYPRAEIDAE)
- beddomei, Gibberula beddomei W.F. Petterd, 1884 - syn of: Gibberula subbulbosa (R. Tate, 1878) - (CYSTISCIDAE)
- beddomei, Opisthostoma beddomei E.A. Smith, 1904 - (DIPLOMMATINIDAE)
- beddomei, Velepalaina beddomei (O.F. von Möllendorff, 1897) - (DIPLOMMATINIDAE)
- beddomei, Notomya beddomei Johnston, 1887 † - syn of: Eurydesma hobartense konincki Johnston, 1887 † - (EDMONDIIDAE) (FOSSIL)
- beddomei, Glycymeris beddomei Smith, 1885 - syn of: Tucetona flabellata (J.E. Tenison-Woods, 1877) - (GLYCYMERIDIDAE)
- beddomei, Tucetona beddomei E.A. Smith, 1885 - syn of: Tucetona flabellata (J.E. Tenison-Woods, 1877) - (GLYCYMERIDIDAE)
- beddomei, Glycymeris beddomei E.A. Smith, 1885 - syn of: Tucetona flabellata (J.E. Tenison-Woods, 1877) - (GLYCYMERIDIDAE)
- beddomei, Acliceratia beddomei (P. Dautzenberg, 1912) - (IRAVADIIDAE)
- beddomei, Amygdalum beddomei T. Iredale, 1924 - syn of: Amygdalum striatum (F.W. Hutton, 1873) - (MYTILIDAE)
- beddomei, Friginatica beddomei (G. Johnston, 1885) - (NATICIDAE)
- beddomei, Gundlachia beddomei (Pettas) - (PLANORBIDAE)
- beddomei, Pupinoa beddomei C.M.F. Ancey - (PUPINIDAE)
- beddomei, Turbonilla beddomei (W.F. Petterd, 1884) - (PYRAMIDELLIDAE)
- beddomei, Sinezona beddomei (W.F. Petterd, 1884) - (SCISSURELLIDAE)
- beddomei, Glessula beddomei (W.T. Blanford, 1861) - (SUBULINIDAE)
- beddomei, Terebra beddomei W.F. Petterd, 1884 - syn of: Zella beddomei (W.F. Petterd, 1884) - (TEREBRIDAE)
- Beddomeia, Genus Beddomeia W.F. Petterd, 1889 (HYDROBIIDAE)
- beddomiana, Assiminea beddomiana G. Nevill, 1881 - (ASSIMINEIDAE)
- beddomii, Hemiplecta beddomii W.T. Blanford, 1874 - syn of: Hemiplecta beddomei (W.T. Blanford, 1874) - (ARIOPHANTIDAE)
- beddomii, Perrottetia beddomii (W.T. Blanford, 1899) - (STREPTAXIDAE)
- bedeckta, Elysia bedeckta F.M. MacFarland, 1966 - syn of: Elysia hedgpethi Er. Marcus, 1961 - (PLAKOBRANCHIDAE)
- bedei, Melanopsis bedei (P.M. Pallary, 1933) - (MELANOPSIDAE)
- bedei, Raphitoma papillosa bedei P.M. Pallary, 1906 - (RAPHITOMIDAE)
- bederi, Diamanticeras bederi (Gerth, 1925 †) - (CRIOCERATITIDAE) (FOSSIL)
- bedetteae, Bathrotomaria bedetteae M.G. Harasewych & S. Kiel, 2007 † - (PLEUROTOMARIIDAE) (FOSSIL)
- Bedeva, Genus Bedeva T. Iredale, 1924 (MURICIDAE)
- Bedevina, Genus Bedevina T. Habe, 1946 (MURICIDAE)
- bedfordensis, Pyrgulopsis bedfordensis R. Hershler & D.L. Gustafson, 1999 - (HYDROBIIDAE)
- bedfordi, Endothyrella bedfordi (G.P.L.K. Gude, 1915) - (PLECTOPYLIDAE)
- bednalli, Acanthochitona bednalli (H.A. Pilsbry, 1894) - (ACANTHOCHITONIDAE)
- bednalli, Pollia bednalli (G.B. III Sowerby, 1895) - (BUCCINIDAE)
- bednalli, Cupedora bednalli (J.W. Brazier, 1872) - (CAMAENIDAE)
- bednalli, Sinumelon bednalli (J.H. Ponsonby, 1904) - (CAMAENIDAE)
- bednalli, Cerion bednalli H.A. Pilsbry & E.G. Vanatta - syn of: Cerion bendalli H.A. Pilsbry & E.G. Vanatta, 1896 - (CERIONIDAE)
- bednalli, Chiton bednalli (H.A. Pilsbry, 1895) - (CHITONIDAE)
- bednalli, Rhyssoplax bednalli H.A. Pilsbry, 1895 - syn of: Chiton bednalli (H.A. Pilsbry, 1895) - (CHITONIDAE)
- bednalli, Cumia bednalli (J.W. Brazier, 1875) - (COLUBRARIIDAE)
- bednalli, Dentalium bednalli H.A. Pilsbry & B. Sharp, 1898 - (DENTALIIDAE)
- bednalli, Splendrillia bednalli (G.B. III Sowerby, 1896) - (DRILLIIDAE)
- bednalli, Fusus bednalli J.W. Brazier, 1875 - syn of: Cumia bednalli (J.W. Brazier, 1875) - (FASCIOLARIIDAE)
- bednalli, Helix bednalli J.W. Brazier, 1872 - syn of: Cupedora bednalli (J.W. Brazier, 1872) - (HELICIDAE)
- bednalli, Subterenochiton bednalli H.A. Pilsbry, 1895 - syn of: Acanthochitona bednalli (H.A. Pilsbry, 1894) - (ISCHNOCHITONIDAE)
- bednalli, Ischnochiton bednalli W.G. Torr, 1912 - syn of: Leptochiton bednalli (W.G. Torr, 1912) - (ISCHNOCHITONIDAE)
- bednalli, Leptochiton bednalli (W.G. Torr, 1912) - (LEPTOCHITONIDAE)
- bednalli, Timbellus bednalli (J.W. Brazier, 1878) - (MURICIDAE)
- bednalli, Pterynotus bednalli J.W. Brazier, 1878 - syn of: Timbellus bednalli (J.W. Brazier, 1878) - (MURICIDAE)
- bednalli, Neotrigonia bednalli (J.C. Verco, 1907) - (TRIGONIIDAE)
- bednalli, Unio bednalli R. Tate, 1882 - syn of: Velesunio angasi (G.B. Sowerby, 1867) - (UNIONIDAE)
- bednalli, Volutoconus bednalli (J.W. Brazier, 1878) - (VOLUTIDAE)
- bednalli volaticus, Cumia bednalli volaticus (T. Iredale, 1925) - (COLUBRARIIDAE)
- bednalli volaticus, Fusus bednalli volaticus T. Iredale, 1925 - syn of: Cumia bednalli volaticus (T. Iredale, 1925) - (FASCIOLARIIDAE)
- bedoti, Dreissena bedoti É.A.A. Locard, 1893 - syn of: Dreissena polymorpha (P.S. Pallas, 1771) - (DREISSENIDAE)
- bedoti, Metengonoceras bedoti Grossouvre, 1912 † - (ENGONOCERATIDAE) (FOSSIL)
- bedoti, Megastomia bedoti (A. Hornung & G. Mermod, 1924) - (PYRAMIDELLIDAE)
- bedoti, Turbonilla bedoti P. Dautzenberg, 1913 - syn of: Turbonilla subulina T.A. de M. Monterosato, 1889 - (PYRAMIDELLIDAE)
- bedoti, Syrnola bedoti A. Hornung & G. Mermod, 1924 - syn of: Megastomia bedoti (A. Hornung & G. Mermod, 1924) - (PYRAMIDELLIDAE)
- bedoyai, Turbonilla bedoyai A. Peñas & E. Rolán, 1997 - (PYRAMIDELLIDAE)
- bedoyai, Raphitoma bedoyai E. Rolán, J. Otero-Schmidt & F. Fernandes, 1998 - (RAPHITOMIDAE)
- bedriagae, Milax bedriagae M. Lessona & C. Pollonera, 1882 - syn of: Milax gagates (J.P.R. Draparnaud, 1801) - (MILACIDAE)
- beduina, Mangelia beduina K.H.J. Thiele, 1925 - (MANGELIIDAE)
- bedullii, Leptochiton bedullii B. Dell'Angelo & S. Palazzi, 1986 - syn of: Leptochiton boettgeri Sulc, 1934 - (LEPTOCHITONIDAE)
- beebei, Cyclocardia beebei (L.G. Hertlein, 1958) - (CARDITIDAE)
- beebei, Helicocranchia beebei C.W. Robson, 1948 - (CRANCHIIDAE)
- beebei, Stromboli beebei (L.G. Hertlein & A.M. Strong, 1951) - (FISSURELLIDAE)
- beebei, Zacatrophon beebei (L.G. Hertlein & A.M. Strong, 1948) - (MURICIDAE)
- beebei, Melanoteuthis beebei C.W. Robson, 1929 - syn of: Vampyroteuthis infernalis C. Chun, 1903 - (VAMPYROTEUTHIDAE)
- beecheri, Pojetaconcha beecheri (W.J. Raymond, 1905 †) - (BRANSONIIDAE) (FOSSIL)
- beecheri, Ceratites beecheri Smith, 1914 † - syn of: Nevadites humboldtensis (Smith, 1914 †) - (CERATITIDAE) (FOSSIL)
- beecheri, Didymoceras beecheri A. Hyatt, 1894 † - syn of: Didymoceras nebrascense (F.B. Meek & Hayden, 1856 †) - (NOSTOCERATIDAE) (FOSSIL)
- beecheri, Protocalyptraea beecheri A.H. Clarke, 1894 † - (PSEUDOPHORIDAE) (FOSSIL)
- beecheyi, Gabbia beecheyi W.F. Ponder, 2003 - (BITHYNIIDAE)
- beecheyi, Mesoginella beecheyi T. Cossignani, 2006 - (MARGINELLIDAE)
- beecheyi, Pulsellum beecheyi K.L. Lamprell & J.M. Healy, 1998 - (PULSELLIDAE)
- beedei, Novlepatella beedei (E.L. Yochelson, 1960 †) - (DAMILINIDAE) (FOSSIL)
- beedei, Glabrocingulum beedei (Mark, 1912 †) - (GOSSELETINIDAE) (FOSSIL)
- beedei, Lepetopsis beedei E.L. Yochelson, 1960 † - syn of: Novlepatella beedei (E.L. Yochelson, 1960 †) - (LEPETOPSIDAE) (FOSSIL)
- beedei, Worthenia beedei Knight, 1940 † - syn of: Worthenia whitehorsensis F.L. Saunders & E.L. Yochelson, 1964 † - (LOPHOSPIRIDAE) (FOSSIL)
- beedei, Roadoceras beedei (Plummer & P.H. Scott, 1937 †) - (PARAGASTRIOCERATIDAE) (FOSSIL)
- beedei, Perrinites beedei Plummer & P.H. Scott, 1937 † - syn of: Perrinites hilli (Smith, 1903 †) - (PERRINITIDAE) (FOSSIL)
- beedei, Pseudomonotis beedei Newell, 1938 † - (PSEUDOMONOTIDAE) (FOSSIL)
- beekmanense, Bassleroceras beekmanense (R.P. Whitfield, 1889 †) - (BASSLEROCERATIDAE) (FOSSIL)
- beekmanensis, Pleurotomaria beekmanensis Billings, 1865 † - syn of: Euconia etna (Billings, 1865 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- beekmanensis, Euconia beekmanensis R.P. Whitfield, 1889 † - syn of: Euconia etna (Billings, 1865 †) - (SINUOPEIDAE) (FOSSIL)
- Beekmanoceras, Genus Beekmanoceras Ulrich & Foerste 1935 (TARPHYCERIDA (UNASSIGNED)) (FOSSIL)
- beermanae, Menestho beermanae D. De Jong & H.E. Coomans, 1988 - (PYRAMIDELLIDAE)
- beerwah, Georissa beerwah J. Stanisic, 2010 - (HYDROCENIDAE)
- beeseliensis, Glycymeris beeseliensis Heering, 1942 - syn of: Glycymeris obovata baldii M. Glibert & L. van de Poel, 1965 † - (GLYCYMERIDIDAE)
- beesleyana, Psilotrigonia beesleyana (Lycett, 1874) † - (TRIGONIIDAE) (FOSSIL)
- beesleyi, Patella beesleyi Tate, 1875 † - (PATELLIDAE) (FOSSIL)
- beetsi, Ancilla beetsi K. Martin in C. Beets, 1942 † - (ANCILLARIIDAE) (FOSSIL)
- beetsi, Parashiela beetsi H.S. Ladd, 1966 - (RISSOIDAE)
- beetsi, Gibbula beetsi Regteren Altena, 1954 † - (TROCHIDAE) (FOSSIL)
- beetzi, Lithophaga beetzi Bohm, 1926 † - (MYTILIDAE) (FOSSIL)
- bega, Turbonilla bega A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- begastrensis, Oosterella begastrensis Company, 1987 † - (OOSTERELLIDAE) (FOSSIL)
- beggi, Glabrocingulum beggi A. Thomas, 1940 † - (GOSSELETINIDAE) (FOSSIL)
- beggi, Polytremaria beggi Weir, 1925 † - (POLYTREMARIIDAE) (FOSSIL)
- beggingensis, Villania beggingensis Schlatter 1991 † - (PHRICODOCERATIDAE) (FOSSIL)
- begiati, Chedevillia begiati (A. De Gregorio, 1880 †) - (ROSTELLARIIDAE) (FOSSIL)
- begini, Ampullaria begini L.J. Morlet, 1889 - syn of: Pila pesmei (L.J. Morlet, 1889) - (AMPULLARIIDAE)
- begini, Bulimus begini L.J. Morlet, 1886 - syn of: Amphidromus begini (L.J. Morlet, 1886) - (BULIMULIDAE)
- begini, Amphidromus begini (L.J. Morlet, 1886) - (CAMAENIDAE)
- Beguina, Genus Beguina P.F. Röding, 1798 (CARDITIDAE)
- beguirae, Napaeus beguirae F.C. Henríquez, 1995 - (ENIDAE)
- behainei, Cossmannica behainei E. Saurin, 1959 - (PYRAMIDELLIDAE)
- behelokensis, Darioconus behelokensis (J. Lauer, 1989) - (CONIDAE)
- behelokensis melbae, Darioconus behelokensis melbae (L.A. Reeve, 1851) - (CONIDAE)
- behemoth, Shastoceras behemoth F.M. Anderson, 1938 † - (ANCYLOCERATIDAE) (FOSSIL)
- Behemoth, Genus Behemoth Buckman, 1922 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- behni, Brachioteuthis behni (J.J.S. Steenstrup, 1882) - (BRACHIOTEUTHIDAE)
- behni, Aylacostoma behni (L.A. Reeve, 1860) - (THIARIDAE)
- behni, Vaginula behni C.G. Semper, 1885 - syn of: Sarasinula plebeia (H. Fischer, 1898) - (VERONICELLIDAE)
- behnii, Madeirovitrina behnii (R.T. Lowe, 1851) - (VITRINIDAE)
- behningi, Caspiohydrobia behningi Y.I. Starobogatov & S.I. Andreeva, 1981 - (HYDROBIIDAE)
- behningi, Pyrgula behningi B.M. Logvinenko & Y.I. Starobogatov, 1968 - (HYDROBIIDAE)
- behningi, Pisidium behningi Z.I. Izzatullaev & Y.I. Starobogatov, 1986 - (SPHAERIIDAE)
- behrendti, Bulimulus behrendti L. Pfeiffer, 1861 - syn of: Bulimulus coriaceus L. Pfeiffer, 1857 - (BULIMULIDAE)
- behrendti, Helicina behrendti L. Pfeiffer, 1862 - syn of: Tristramia zephyrina (P.L. Duclos, 1833) - (HELICINIDAE)
- behrensi, Dendrodoris behrensi S.V. Millen & H.W. Bertsch, 2005 - (DENDRODORIDIDAE)
- behrensi, Cuthona behrensi A. Hermosillo & Á. Valdés, 2007 - (FIONIDAE)
- behri, Linisia behri (W.M. Gabb, 1865) - (POLYGYRIDAE)
- behrii, Helix behrii W.M. Gabb, 1865 - syn of: Linisia behri (W.M. Gabb, 1865) - (HELICIDAE)
- behringensis, Cardiomya behringensis (W. Leche, 1883) - (CUSPIDARIIDAE)
- behringi, Beringius behringi (A.T. von Middendorff, 1847) - (BUCCINIDAE)
- behringiana, Neptunea behringiana A.T. von Middendorff, 1848 - syn of: Neptunea beringiana (A.T. von Middendorff, 1848) - (BUCCINIDAE)
- behringiana, Chlamys behringiana A.T. von Middendorff, 1849 - (PECTINIDAE)
- behringiana cordata, Neptunea behringiana cordata W.H. Dall, 1919 - syn of: Neptunea beringiana cordata W.H. Dall, 1919 - (BUCCINIDAE)
- behringiana gregaria, Chlamys behringiana gregaria Devjatilova, 1981 † - syn of: Chlamys behringiana A.T. von Middendorff, 1849 - (PECTINIDAE) (FOSSIL)
- behringiana scarlatovi, Chlamys behringiana scarlatovi Myasnikov, 1992 - syn of: Chlamys behringiana A.T. von Middendorff, 1849 - (PECTINIDAE)
- behringiana unalaskae, Chlamys behringiana unalaskae F.S. MacNeil, 1967 - syn of: Chlamys behringiana A.T. von Middendorff, 1849 - (PECTINIDAE)
- behringii, Volutopsius behringii W.H. Dall, 1873 - (BUCCINIDAE)
- behringii kobelti, Volutopsius behringii kobelti W.H. Dall, 1902 - (BUCCINIDAE)
- beibuwanense, Periploma beibuwanense F.S. Xu, 1999 - (PERIPLOMATIDAE)
- Beichuania, Genus Beichuania Liu & Gu, 1988 (BEICHUANIIDAE) (FOSSIL)
- BEICHUANIIDAE Liu & Gu, 1988 † - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-IMPARIDENTIA [Superorder]-MEGALODONTIDA [Order]-MECYNODONTOIDEA [Super) (FOSSIL)
- beidaensis, Turbonilla beidaensis A. Peñas & E. Rolán, 2000 - (PYRAMIDELLIDAE)
- beieri, Erosaria beieri J.G. Walls, 1980 - syn of: Erosaria lamarckii (J.E. Gray, 1825) - (CYPRAEIDAE)
- beieri, Chondrula beieri M. Klemm, 1962 - (ENIDAE)
- beieri, Monacha beieri M. Klemm, 1962 - (HYGROMIIDAE)
- Beieriella, syn of: Genus Montenegrina O. Böttger, 1877 (CLAUSILIIDAE)
- beilanensis, Palaina beilanensis H.B. Preston, 1913 - (DIPLOMMATINIDAE)
- Beilania, Genus Beilania H.B. Preston, 1913 (CHAROPIDAE)
- beili, Leukoma beili A.A. Olsson, 1961 - (VENERIDAE)
- beili, Leukoma beili A.A. Olsson, 1961 - syn of: Leukoma beili A.A. Olsson, 1961 - (VENERIDAE)
- beiliana, Pteria beiliana A.A. Olsson, 1961 - syn of: Pteria sterna (A.A. Gould, 1851) - (PTERIIDAE)
- beiliana, Pteria beiliana A.A. Olsson, 1961 - syn of: Pteria sterna (A.A. Gould, 1851) - (PTERIIDAE)
- beipeiensis, Aviculopecten beipeiensis H.X. Liu, 1976 † - (AVICULOPECTINIDAE) (FOSSIL)
- beipeiensis, Girtypecten beipeiensis H.X. Liu, 1976 † - (HETEROPECTINIDAE) (FOSSIL)
- beirensis, Cardiolaria beirensis (Sharpe, 1853 †) - (CARDIOLARIIDAE) (FOSSIL)
- beirensis, Ctenodonta beirensis Sharpe, 1853 † - syn of: Cardiolaria beirensis (Sharpe, 1853 †) - (CTENODONTIDAE) (FOSSIL)
- beirensis, Nucula beirensis Sharpe, 1853 † - syn of: Cardiolaria beirensis (Sharpe, 1853 †) - (NUCULIDAE) (FOSSIL)
- beirensis, Cristaria beirensis Y.Y. Liu & W.Z. Zhang, 1982 - (UNIONIDAE)
- beiseli, Tylotoechus beiseli (Holzapfel 1888) - (PUPINIDAE)
- beishanensis, Medlicottia beishanensis Liang, 1981 † - (MEDLICOTTIIDAE) (FOSSIL)
- Beisselia, Genus Beisselia Holzapfel, 1889 † (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- beitzi, Vexillum beitzi (R. Salisbury & S. Gori, 2013) - (COSTELLARIIDAE)
- beitzi, Pusia beitzi R. Salisbury & S. Gori, 2013 - syn of: Vexillum beitzi (R. Salisbury & S. Gori, 2013) - (COSTELLARIIDAE)
- Bejucoceras, Genus Bejucoceras Cantú Chapa, 1976 † (AEGOCRIOCERATIDAE) (FOSSIL)
- bejumae, Pisidium bejumae H.B. Baker, 1930 - (SPHAERIIDAE)
- bejumensis, Poteria bejumensis H.B. Baker, 1923 - (NEOCYCLOTIDAE)
- beka, Loliolus beka (M. Sasaki, 1929) - (LOLIGINIDAE)
- bekaensis, Gyraulus bekaensis P. Glöer & U. Bössneck, 2007 - (PLANORBIDAE)
- bekkeri, Nybyoceras bekkeri Troedsson, 1926 † - (ARMENOCERATIDAE) (FOSSIL)
- Bekkochlamys, Genus Bekkochlamys T. Habe, 1958 (HELICARIONIDAE)
- Bela, Genus Bela J.E. Gray, 1847 (MANGELIIDAE)
- bela, Mitra bela J.C. Melvill, 1888 - syn of: Pusia ebenus (J.B.P.A. Lamarck, 1811) - (MITRIDAE)
- bela, Asperdaphne bela C. Hedley, 1922 - (RAPHITOMIDAE)
- belaeformis, Bathytoma belaeformis (G.B. III Sowerby, 1903) - (BORSONIIDAE)
- belahubbardi, Neniatracta belahubbardi (H.A. Pilsbry, 1922) - (CLAUSILIIDAE)
- belaiaensis, Colchidites belaiaensis Kakabadze, 1971 † - (ANCYLOCERATIDAE) (FOSSIL)
- belaiaensis, Argvethites belaiaensis Kakabadze, 1975 † - (HETEROCERATIDAE) (FOSSIL)
- belairensis, Lautoconus belairensis (M. Pin & L. Tack, 1989) - (CONIDAE)
- belairi, Tropidophora belairi (S.A.A. Petit De La Saussaye, 1853) - (POMATIIDAE)
- Belalora, Genus Belalora A. Powell, 1951 (MANGELIIDAE)
- belandi, Crossoceras belandi Boucot & E.L. Yochelson, 1966 † - (PLATYCERATIDAE) (FOSSIL)
- belangeri, Cryptozona belangeri (G.P. Deshayes) - (ARIOPHANTIDAE)
- belangeri, Marginella belangeri L.C. Kiener, 1834 - syn of: Bullata bullata (I. von Born, 1778) - (MARGINELLIDAE)
- belangeri, Bullata belangeri L.C. Kiener, 1834 - syn of: Bullata bullata (I. von Born, 1778) - (MARGINELLIDAE)
- belangeri, Dorsanum belangeri L.C. Kiener, 1834 - syn of: Bullia tranquebarica (P.F. Röding, 1798) - (NASSARIIDAE)
- Belangeria, syn of: Genus Clanculus P.D. Montfort, 1810 (TROCHIDAE)
- Belardiella, syn of: Genus Comarmondia T.A. de M. Monterosato, 1884 (CLATHURELLIDAE)
- Belatomina, syn of: Genus Daphnella R.B. Hinds, 1844 (RAPHITOMIDAE)
- Belaturricula, Genus Belaturricula A. Powell, 1951 (BORSONIIDAE)
- belauense, Calliostoma belauense T.A. Okutani & Kurata, 1998 - (CALLIOSTOMATIDAE)
- belauensis, Nautilus belauensis F.L. Saunders, 1981 - (NAUTILIDAE)
- belaurita, Epitonium belaurita W.H. Dall, 1889 - syn of: Sthenorytis pernobilis belaurita (W.H. Dall, 1889) - (EPITONIIDAE)
- belaurita, Sthenorytis pernobilis belaurita (W.H. Dall, 1889) - (EPITONIIDAE)
- belbekensis, Arrhoges belbekensis Gorbach, 1972 † - (APORRHAIDAE) (FOSSIL)
- belchatovensis, Microprososthenia belchatovensis D. Kadolsky & Piechocki, 2000 † - (HYDROBIIDAE) (FOSSIL)
- Belchatovia, Genus Belchatovia Kadolsky & Piechocki, 2000 † (HYDROBIIDAE) (FOSSIL)
- belchatoviensis, Caspicyclotus belchatoviensis Stworzewicz, 1995 † - (CYCLOPHORIDAE) (FOSSIL)
- belcheri, Buccinum belcheri L.A. Reeve, 1845 - (BUCCINIDAE)
- belcheri, Trachycardium belcheri (W.J. Broderip & G.B. I Sowerby, 1829) - (CARDIIDAE)
- belcheri, Centrocardita belcheri (G.P. Deshayes, 1854) - (CARDITIDAE)
- belcheri, Euphaedusa belcheri (L. Pfeiffer, 1861) - (CLAUSILIIDAE)
- belcheri, Orthoceltites belcheri Tozer, 1994 † - (DANUBITIDAE) (FOSSIL)
- belcheri, Dentalium belcheri G.B. Sowerby, 1860 - syn of: Dentalium variabile G.P. Deshayes, 1825 - (DENTALIIDAE)
- belcheri, Dentalium belcheri H.A. Pilsbry & B. Sharp, 1897 - syn of: Dischides belcheri H.A. Pilsbry & B. Sharp, 1898 - (DENTALIIDAE)
- belcheri, Latirus belcheri L.A. Reeve, 1847 - (FASCIOLARIIDAE)
- belcheri, Dischides belcheri H.A. Pilsbry & B. Sharp, 1898 - (GADILIDAE)
- belcheri, Limopsis belcheri Adams & L.A. Reeve, 1850 - (LIMOPSIDAE)
- belcheri, Marginella belcheri R.B. Hinds, 1844 - (MARGINELLIDAE)
- belcheri, Synartinskia belcheri Nassichuk, 1970 † - (MEDLICOTTIIDAE) (FOSSIL)
- belcheri, Mitra belcheri R.B. Hinds, 1843 - (MITRIDAE)
- belcheri, Forreria belcheri (R.B. Hinds, 1843) - (MURICIDAE)
- belcheri, Typhina belcheri (W.J. Broderip, 1833) - (MURICIDAE)
- belcheri, Typhis belcheri W.J. Broderip, 1833 † - syn of: Mitra yasila A.A. Olsson, 1930 † - (MURICIDAE) (FOSSIL)
- belcheri, Nuculana belcheri (R.B. Hinds, 1843) - (NUCULANIDAE)
- belcheri, Nucula belcheri R.B. Hinds, 1843 - syn of: Nuculana belcheri (R.B. Hinds, 1843) - (NUCULIDAE)
- belcheri, Crassostrea belcheri (G.B. II Sowerby, 1871) - (OSTREIDAE)
- belcheri, Ostrea belcheri G.B. II Sowerby, 1871 - syn of: Crassostrea belcheri (G.B. II Sowerby, 1871) - (OSTREIDAE)
- belcheri, Cultellus belcheri G.B. II Sowerby, 1874 - (PHARIDAE)
- belcheri, Prodentalium belcheri Nassichuk & Hodgkinson, 1976 † - (PRODENTALIIDAE) (FOSSIL)
- belcheri, Caloceras belcheri (C.T. Simpson, 1843 †) - (PSILOCERATIDAE) (FOSSIL)
- belcheri, Siphonaria belcheri (S.C.T. Hanley, 1858) - (SIPHONARIIDAE)
- belcheri, Patellopsis belcheri S.C.T. Hanley, 1858 - syn of: Siphonaria belcheri (S.C.T. Hanley, 1858) - (SIPHONARIIDAE)
- belcheri, Myurella belcheri E.A. Smith, 1873 - syn of: Terebra guayaquilensis (E.A. Smith, 1880) - (TEREBRIDAE)
- belcheri, Monilea belcheri R.A. Philippi, 1849 - (TROCHIDAE)
- belcheri, Turbinella belcheri L.A. Reeve, 1847 - syn of: Latirus belcheri L.A. Reeve, 1847 - (TURBINELLIDAE)
- belcheri, Pitar belcheri (G.B. II Sowerby, 1851) - (VENERIDAE)
- belcheri, Tapes belcheri Sowerby, 1852 - (VENERIDAE)
- Belchiton, syn of: Genus Leptochiton J.E. Gray, 1847 (LEPTOCHITONIDAE)
- Belchlamys, syn of: Genus Chlamys P.F. Röding, 1798 (PECTINIDAE)
- beldingi, Naesiotus beldingi (J.G. Cooper, 1892) - (BULIMULIDAE)
- belemensis, Candidula belemensis (G. Servain, 1880) - (HYGROMIIDAE)
- Belemnella, Genus Belemnella Nowak, 1913 † (BELEMNITIDA (UNASSIGNED)) (FOSSIL)
- Belemnellocamax, Genus Belemnellocamax Naidin, 1963 † (BELEMNITIDA (UNASSIGNED)) (FOSSIL)
- Belemnitella, Genus Belemnitella Moberg, 1885 † (BELEMNITELLIDAE) (FOSSIL)
- BELEMNITELLIDAE Pavlov, 1914 † - Family (CEPHALOPODA-COLEOIDEA [Subclass]-BELEMNITIDA [Order]) (FOSSIL)
- Belemnites, Genus Belemnites Schlotheim, 1820 † (BELEMNITELLIDAE) (FOSSIL)
- belemnites, Euphaedusa belemnites P.B. Schmacker & O. Böttger, 1894 - (CLAUSILIIDAE)
- BELEMNITIDA (UNASSIGNED) - Family (CEPHALOPODA-COLEOIDEA [Subclass]-BELEMNITIDA [Order]) (FOSSIL)
- BELEMNITIDAE - syn of Family: PASSALOTEUTHIDIDAE (FOSSIL)
- belemnitiforme, Dentoceras belemnitiforme Flower, 1964 † - (DENTOCERATIDAE) (FOSSIL)
- belemnitiforme, Proterovaginoceras belemnitiforme (Holm, 1885 †) - (ENDOCERATIDAE) (FOSSIL)
- belemnitoidea, Beloptera belemnitoidea H.M.D. de Blainville, 1825 † - (BELOPTERIIDAE) (FOSSIL)
- Belemnitomimus, Genus Belemnitomimus Shimanskiy , 1954 † (PARABACTRITIDAE) (FOSSIL)
- belemnitum, Terebellum belemnitum K.V.W. Palmer, 1953 † - (SERAPHSIDAE) (FOSSIL)
- Belemnocamax, Genus Belemnocamax Crick, 1910 † (BELEMNITIDA (UNASSIGNED)) (FOSSIL)
- belemnoidea, Beloptera belemnoidea H.M.D. de Blainville, 1825 † - syn of: Beloptera belemnitoidea H.M.D. de Blainville, 1825 † - (BELOPTERIIDAE) (FOSSIL)
- BELEMNOPSEIDAE Naef, 1922 † - Family (CEPHALOPODA-COLEOIDEA [Subclass]-BELEMNITIDA [Order]) (FOSSIL)
- Belemnopsis, Genus Belemnopsis Bayle, 1878 † (BELEMNOPSEIDAE) (FOSSIL)
- BELEMNOSEIDAE Wiltshire, 1869 † - Family (CEPHALOPODA-COLEOIDEA [Subclass]-DECAPODIFORMES [Superorder]-SPIRULIDA [Order]) (FOSSIL)
- Belemnosella, Genus Belemnosella Naef, 1922 † (SEPIIDA (UNASSIGNED)) (FOSSIL)
- Belemnosis, Genus Belemnosis Edwards, 1849 † (BELEMNOSEIDAE) (FOSSIL)
- BELEMNOTEUTHIDAE - syn of Family: BELEMNOTEUTHIDIDAE (FOSSIL)
- BELEMNOTEUTHIDIDAE Zittel, 1885 † - Family (CEPHALOPODA-COLEOIDEA [Subclass]-BELEMNOIDEA [Superorder]-PHRAGMOTEUTHIDA [Order]) (FOSSIL)
- BELEMNOTEUTHIDIDAE Zittel, 1885 † - Family (CEPHALOPODA-COLEOIDEA [Subclass]-PHRAGMOTEUTHIDA [Order]) (FOSSIL)
- Belemnoteuthis, Genus Belemnoteuthis Pearce , 1842 † (BELEMNOTEUTHIDIDAE) (FOSSIL)
- BELEMNOTHEUTIDIDAE - syn of Family: BELEMNOTEUTHIDIDAE (FOSSIL)
- Belemnotheutis, syn of: Genus Belemnoteuthis Pearce , 1842 † (BELEMNOTEUTHIDIDAE) (FOSSIL)
- Belemosis, Genus Belemosis † (SEPIIDA (UNASSIGNED)) (FOSSIL)
- belenae, Dischides belenae V. Scarabino, 2008 - (GADILIDAE)
- belenae, Turbonilla belenae A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- belenensis, Siphonalia belenensis A.A. Olsson, 1931 † - (BUCCINIDAE) (FOSSIL)
- belenensis, Acharax belenensis A.A. Olsson, 1931 † - (SOLEMYIDAE) (FOSSIL)
- belepia, Lepidolucina belepia E.A. Glover & D.W. Taylor, 2007 - (LUCINIDAE)
- belesis, Anomia belesis J.E. Gray, 1850 - syn of: Anomia achaeus Gray, 1849 - (ANOMIIDAE)
- belestensis, Melanopsis belestensis Villatte, 1952 † - (MELANOPSIDAE) (FOSSIL)
- beleutense, Cravenoceras beleutense Ruzhentsev & Bogoslovskaya, 1971 † - (CRAVENOCERATIDAE) (FOSSIL)
- beleuthensis, Nikenautilus beleuthensis (Shimansky, 1957 †) - (PSEUDONAUTILIDAE) (FOSSIL)
- beleuthensis, Vestinautilus beleuthensis Shimansky, 1957 † - syn of: Nikenautilus beleuthensis (Shimansky, 1957 †) - (TRIGONOCERATIDAE) (FOSSIL)
- Beleutoceras, Genus Beleutoceras Ruzhentsev & Bogoslovskaya, 1971 † (NOMISMOCERATIDAE) (FOSSIL)
- belfordi, Tolmachovia belfordi Pojeta & al., 1977 † - (ISCHYRINIIDAE) (FOSSIL)
- belgica, Turricula belgica (G.G. Münster, 1826 †) - (CLAVATULIDAE) (FOSSIL)
- belgica, Orthosurcula regularis belgica (G.A. Goldfuss, 1844 †) - (COCHLESPIRIDAE) (FOSSIL)
- belgica, Curvirimula belgica Hind † - (NAIADITIDAE) (FOSSIL)
- belgica, Alvania belgica M. Glibert, 1952 † - (RISSOIDAE) (FOSSIL)
- belgica, Astraea belgica Gilbert, 1952 † - (TURBINIDAE) (FOSSIL)
- belgica, Astraea belgica M. Glibert, 1952 † - (TURBINIDAE) (FOSSIL)
- belgicae, Leloupia belgicae (J.P.L. Pelseneer, 1903) - (CALLOCHITONIDAE)
- belgicae, Ischnochiton belgicae J.P.L. Pelseneer, 1903 - syn of: Leloupia belgicae (J.P.L. Pelseneer, 1903) - (ISCHNOCHITONIDAE)
- belgicum, Cerastoderma belgicum De Malzine, 1867 - syn of: Cerastoderma edule (C. Linnaeus, 1758) - (CARDIIDAE)
- belgicum, Cimolithium belgicum (d'Archiac, 1846 †) - (PROCERITHIIDAE) (FOSSIL)
- belgicum, Crassotornoceras belgicum (Matern, 1931 †) - (TORNOCERATIDAE) (FOSSIL)
- belgicus, Tornus belgicus M. Glibert, 1949 † - (TORNIDAE) (FOSSIL)
- belgrandi, Dreissena belgrandi É.A.A. Locard, 1893 - syn of: Dreissena polymorpha (P.S. Pallas, 1771) - (DREISSENIDAE)
- Belgrandia, Genus Belgrandia J.R. Bourguignat, 1869 (HYDROBIIDAE)
- Belgrandiella, Genus Belgrandiella A. Wagner, 1927 (HYDROBIIDAE)
- belgushkense, Uraloceras belgushkense Ruzhentsev, 1956 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- Belidaphne, Genus Belidaphne Vera-Peláez, 2002 † (MANGELIIDAE) (FOSSIL)
- belimelensis, Pseudothurmannia belimelensis Dimtrova, 1967 † - (CRIOCERATITIDAE) (FOSSIL)
- belizana, Columbellopsis belizana P.L. Duclos, 1848 - syn of: Columbellopsis nycteis (P.L. Duclos, 1846) - (COLUMBELLIDAE)
- belizana, Lucina belizana J. Gibson-Smith & W. Gibson-Smith, 1982 - syn of: Lucina beliziana J. Gibson-Smith & W. Gibson-Smith, 1982 - (LUCINIDAE)
- belizeanus, Purpuriconus belizeanus E.J. Petuch & D.M. Sargent, 2011 - (CONIDAE)
- belizeense, Carychium belizeense Jochum & Weigand, 2017 - (ELLOBIIDAE)
- belizensis, Pomacea belizensis J.C.H. Crosse & P.H. Fischer, 1888 - syn of: Pomacea flagellata (T. Say, 1829) - (AMPULLARIIDAE)
- belizensis, Gibberula belizensis T. McCleery, 2008 - (CYSTISCIDAE)
- belizensis, Biomphalaria belizensis (J.C.H. Crosse & P.H. Fischer, 1878) - (PLANORBIDAE)
- beliziana, Lucina beliziana J. Gibson-Smith & W. Gibson-Smith, 1982 - (LUCINIDAE)
- beljanini, Neamnigenia beljanini Khalfin, 1950 † - (ARCHANODONTIDAE) (FOSSIL)
- belkisae, Zafrona belkisae J. Espinosa & J.A. Ortea, 2007 - (COLUMBELLIDAE)
- belkisae, Rissoella belkisae J.A. Ortea & J. Espinosa, 2005 - (RISSOELLIDAE)
- belknapi, Adkinsites belknapi Marcou, 1858 † - (BRANCOCERATIDAE) (FOSSIL)
- belknapi, Leptochiton belknapi W.H. Dall, 1878 - (LEPTOCHITONIDAE)
- belknapi, Melongena belknapi S.A.A. Petit De La Saussaye, 1852 - syn of: Melongena corona (J.F. Gmelin, 1791) - (MELONGENIDAE)
- belknapioides, Lepidopleurus belknapioides E.H.J. Leloup, 1981 - syn of: Nierstraszella lineata (H.F. Nierstrasz, 1905) - (LEPTOCHITONIDAE)
- bella, Partulina mighelsiana bella (L.A. Reeve, 1850) - (ACHATINELLIDAE)
- bella, Tornatellaea bella (T.A. Conrad, 1860 †) - (ACTEONIDAE) (FOSSIL)
- bella, Isocyprina bella (J. Lycett, 1863 †) - (ARCTICIDAE) (FOSSIL)
- bella, Naninia bella (L. Pfeiffer) - (ARIOPHANTIDAE)
- bella, Assiminea bella Kuroda, 1958 - (ASSIMINEIDAE)
- bella, Maitaia bella Biakov, 1992 † - (ATOMODESMATIDAE) (FOSSIL)
- bella, Bohaispira bella Youlou, 1978 † - (BOHAISPIRIDAE) (FOSSIL)
- bella, Falsitromina bella (A.W.B. Powell, 1951) - (BUCCINIDAE)
- bella, Mohnia bella (H. Ozaki, 1958) - (BUCCINIDAE)
- bella, Opisthodermella bella H. Ozaki, 1958 - syn of: Mohnia bella (H. Ozaki, 1958) - (BUCCINIDAE)
- bella, Herpetopoma bella (F.W. Hutton, 1873) - (CHILODONTIDAE)
- bella, Sioliella bella (T.A. Conrad, 1871 †) - (COCHLIOPIDAE) (FOSSIL)
- bella, Parametaria bella Schemelz, 1995 † - (COLUMBELLIDAE) (FOSSIL)
- bella, Pyrene bella L.A. Reeve, 1859 - syn of: Mitrella albuginosa bella (L.A. Reeve, 1859) - (COLUMBELLIDAE)
- bella, Mitrella bella F.J. Springsteen, 1986 - syn of: Indomitrella conspersa (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- bella, Mitrella albuginosa bella (L.A. Reeve, 1859) - (COLUMBELLIDAE)
- bella, Conradia bella W.H. Dall, 1889 - syn of: Haplocochlias bellus (W.H. Dall, 1889) - (CROSSEOLIDAE)
- bella, Streblopteria bella Guskov, 1984 † - (DELTOPECTINIDAE) (FOSSIL)
- bella, Diala bella A. Adams, 1868 - (DIALIDAE)
- bella, Doto bella K. Baba, 1938 - (DOTIDAE)
- bella, Laemodonta bella (H. Adams & A. Adams, 1855) - (ELLOBIIDAE)
- bella, Denayella bella (Tyler, 1965 †) - (EOTOMARIIDAE) (FOSSIL)
- bella, Semizona bella Ebbestad & Peel, 2001 † - (EOTOMARIIDAE) (FOSSIL)
- bella, Scelidotoma bella (W.M. Gabb, 1865) - (FISSURELLIDAE)
- bella, Emarginula bella W.M. Gabb, 1865 - syn of: Scelidotoma bella (W.M. Gabb, 1865) - (FISSURELLIDAE)
- bella, Fissurella bella L.A. Reeve, 1849 - syn of: Fissurella latimarginata G.B. I Sowerby, 1835 - (FISSURELLIDAE)
- bella, Angyomphalus bella A.E.M. Cossmann 1915 † - (GOSSELETINIDAE) (FOSSIL)
- bella, Dictyobembix bella Tyler, 1965 † - (GOSSELETINIDAE) (FOSSIL)
- bella, Callistadia bella Knight, 1945 † - (GOSSELETINIDAE) (FOSSIL)
- bella, Bemella bella C. Chen & Zhang, 1980 † - (HELCIONELLIDAE) (FOSSIL)
- bella, Helicarion subrejectus bella H.A. Pilsbry, 1926 - (HELICARIONIDAE)
- bella, Fraipontia bella (Cooper & Cloud, 1938 †) - (HIPPOCARDIIDAE) (FOSSIL)
- bella, Filicardia bella (Cooper & Cloud, 1938 †) - (HIPPOCARDIOIDEA (UNASSIGNED)) (FOSSIL)
- bella, Iravadia bella A. Adams, 1853 - syn of: Iravadia delicata (R.A. Philippi, 1849) - (IRAVADIIDAE)
- bella, Laubella bella K. Bandel, 1991 † - (LAUBELLIDAE) (FOSSIL)
- bella, Loxonema bella Walcott, 1884 † - syn of: Bellazona bella (Walcott, 1884 †) - (LOXONEMATIDAE) (FOSSIL)
- bella, Ctena bella (T.A. Conrad, 1837) - (LUCINIDAE)
- bella, Codakia bella T.A. Conrad, 1837 - syn of: Ctena bella (T.A. Conrad, 1837) - (LUCINIDAE)
- bella, Lucina bella T.A. Conrad, 1837 - syn of: Ctena bella (T.A. Conrad, 1837) - (LUCINIDAE)
- bella, Epicodakia bella T.A. Conrad, 1837 - syn of: Ctena bella (T.A. Conrad, 1837) - (LUCINIDAE)
- bella, Bela bella K.H. Barnard, 1958 - (MANGELIIDAE)
- bella, Bellacythara bella (R.B. Hinds, 1843) - (MANGELIIDAE)
- bella, Marita bella (A. Adams & G.F. Angas, 1864) - (MANGELIIDAE)
- bella, Macteola bella W.H. Pease, 1860 - syn of: Macteola interrupta (L.A. Reeve, 1846) - (MANGELIIDAE)
- bella, Margarites bella T.A. Verkrüzen, 1875 - syn of: Solariella obscura (J.P.Y. Couthouy, 1838) - (MARGARITIDAE)
- bella, Volvarina bella (T.A. Conrad, 1868 †) - (MARGINELLIDAE) (FOSSIL)
- bella, Porcellanella bella T.A. Conrad, 1868 - syn of: Prunum bellulum (W.H. Dall, 1890) - (MARGINELLIDAE)
- bella, Tuba bella T.A. Conrad † - (MATHILDIDAE) (FOSSIL)
- bella, Meekospira bella Walcott, 1884 † - syn of: Bellazona bella (Walcott, 1884 †) - (MEEKOSPIRIDAE) (FOSSIL)
- bella, Mitromorpha bella J. Espinosa & J.A. Ortea, 2014 - (MITROMORPHIDAE)
- bella, Bellazona bella (Walcott, 1884 †) - (MURCHISONIIDAE) (FOSSIL)
- bella, Ricinula bella L.A. Reeve, 1846 - syn of: Clivipollia fragaria (W. Wood, 1828) - (MURICIDAE)
- bella, Nassa bella F.P. Marrat, 1877 - syn of: Nassarius bellus (F.P. Marrat, 1877) - (NASSARIIDAE)
- bella, Calorhadia bella † - (NUCULANIDAE) (FOSSIL)
- bella, Malayaspira bella (Billings, 1865 †) - (OPHILETIDAE) (FOSSIL)
- bella, Palaeacmaea bella He & Yang, 1982 † - syn of: Asiapatella undulata (Yu, 1981 †) - (PALAEACMAEIDAE) (FOSSIL)
- bella, Anceya bella H.A. Pilsbry & J.C. Bequaert, 1927 - (PALUDOMIDAE)
- bella, Elysia bella (W.H. Pease, 1860) - (PLAKOBRANCHIDAE)
- bella, Carinodrillia bella (T.A. Conrad, 1862 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- bella, Turbonilla bella W.H. Dall & P. Bartsch, 1906 - syn of: Turbonilla varicosa (A. Adams, 1855) - (PYRAMIDELLIDAE)
- bella, Lancea bella W.H. Dall & P. Bartsch, 1906 - syn of: Turbonilla varicosa (A. Adams, 1855) - (PYRAMIDELLIDAE)
- bella, Daphnella bella W.H. Pease, 1860 - syn of: Macteola segesta cinctura C. Hedley, 1922 - (RAPHITOMIDAE)
- bella, Ringicula bella Helwerda, 2015 - (RINGICULIDAE)
- bella, Rissoa bella A. Adams, 1851 - syn of: Iravadia delicata (R.A. Philippi, 1849) - (RISSOIDAE)
- bella, Scaliola bella Adams, 1860 - (SCALIOLIDAE)
- bella, Abra bella T.A. Conrad in J.G. Kerr, 1873 - syn of: Semele bellastriata T.A. Conrad, 1837 - (SEMELIDAE)
- bella, Mygallia bella Saul & W.P. Popenoe, 1962 † - (TANCREDIIDAE) (FOSSIL)
- bella, Trigonia bella J. Lycett, 1877 † - (TRIGONIIDAE) (FOSSIL)
- bella, Venus bella I.H. Jonas, 1844 - syn of: Timoclea decorata (W.J. Broderip & G.B. I Sowerby, 1829) - (VENERIDAE)
- bella, Yoldia bella Berezovsky, 2015 † - (YOLDIIDAE) (FOSSIL)
- bella abyssicola, Tromina bella abyssicola A.H. Clarke, 1961 - syn of: Lusitromina abyssicola (A.H. Clarke, 1961) - (BUCCINIDAE)
- bella delicatula, Codakia bella delicatula H.A. Pilsbry, 1904 - syn of: Ctena delicatula (H.A. Pilsbry, 1904) - (LUCINIDAE)
- bella hervieri, Marita bella hervieri (J.L. Bouge & P. Dautzenberg, 1914) - (MANGELIIDAE)
- bella hosfordensis, Volvarina bella hosfordensis W.C. Mansfield † - (MARGINELLIDAE) (FOSSIL)
- bella tersa, Volvarina bella tersa W.C. Mansfield † - (MARGINELLIDAE) (FOSSIL)
- bellabimba, Cadoceras bellabimba Mita, 2016 † - (CADOCERATIDAE) (FOSSIL)
- Bellacepolis, Subgenus Cepolis (Bellacepolis) H.A. Pilsbry, 1943 (CEPOLIDAE)
- bellacoensis, Stephanoconus bellacoensis J.R. Hendricks, 2015 † - (CONIDAE) (FOSSIL)
- bellacrenata, Anculosa bellacrenata S.S. Haldeman, 1841 - (PLEUROCERIDAE)
- bellacrenata, Hemipleurotoma bellacrenata (T.A. Conrad, 1841 †) - (TURRIDAE) (FOSSIL)
- Bellacythara, Genus Bellacythara J.H. McLean, 1971 (MANGELIIDAE)
- bellalensis, Unionelloides bellalensis D. Van Damme & A. Bogan, 2015 † - (UNIONIDAE) (FOSSIL)
- bellalirata, Deussenia bellalirata (T.A. Conrad, 1858 †) - (MELONGENIDAE) (FOSSIL)
- bellalirata costata, Deussenia bellalirata costata N.F. Sohl, 1964 † - (MELONGENIDAE) (FOSSIL)
- bellamaria, Chondrothyra detectabilis bellamaria (C. de la Torre & P. Bartsch, 1938) - (POMATIIDAE)
- bellamaris, Phenacovolva bellamaris S.S. Berry, 1946 - syn of: Phenacovolva lenoreae C. Cardin & J.G. Walls, 1980 - (OVULIDAE)
- bellamaris, Subsimnia bellamaris S.S. Berry, 1946 - syn of: Phenacovolva lenoreae C. Cardin & J.G. Walls, 1980 - (OVULIDAE)
- bellamatancera, Volvarina bellamatancera J. Espinosa & J.A. Ortea, 2015 - (MARGINELLIDAE)
- Bellamya, Genus Bellamya F.P. Jousseaume, 1886 (VIVIPARIDAE)
- bellamya, Bellamya bellamya F.P. Jousseaume, 1886 - (VIVIPARIDAE)
- bellamyi, Limicolaria bellamyi F.P. Jousseaume, 1886 - (ACHATINIDAE)
- bellamyi, Coelatura bellamyi F.P. Jousseaume, 1886 - syn of: Coelatura aegyptiaca (F. Cailliaud, 1827) - (UNIONIDAE)
- bellamyi, Bellamya bellamyi F.P. Jousseaume, 1886 - syn of: Bellamya duponti (A. de Rochebrune, 1882) - (VIVIPARIDAE)
- bellangeri, Buccinum bellangeri L.C. Kiener, 1834 - syn of: Bullia tranquebarica (P.F. Röding, 1798) - (BUCCINIDAE)
- bellangeri, Bullia bellangeri L.C. Kiener, 1834 - syn of: Bullia tranquebarica (P.F. Röding, 1798) - (NASSARIIDAE)
- bellanodosa, Terebra bellanodosa A.W. Grabau & S.G. King, 1928 - syn of: Pristiterebra bifrons (R.B. Hinds, 1844) - (TEREBRIDAE)
- bellanodosa, Pristiterebra bellanodosa A.W. Grabau & S.G. King, 1928 - syn of: Pristiterebra bifrons (R.B. Hinds, 1844) - (TEREBRIDAE)
- bellapicta, Austromitra bellapicta (J.C. Verco, 1909) - (COSTELLARIIDAE)
- bellapicta, Mitra bellapicta J.C. Verco, 1909 - syn of: Austromitra bellapicta (J.C. Verco, 1909) - (MITRIDAE)
- bellaplicata, Hyotissocameleo bellaplicata (Shumard 1860) † - (OSTREIDAE) (FOSSIL)
- bellapuncta, Bucania bellapuncta J.W. Hall, 1852 † - (BUCANIIDAE) (FOSSIL)
- bellardi, Pyramidelloides bellardi A. Issel, 1869 - syn of: Pyramidelloides mirandus (A. Adams, 1861) - (EULIMIDAE)
- bellardi, Mauryna bellardi (A. De Gregorio, 1880 †) - (SERAPHSIDAE) (FOSSIL)
- Bellardia, syn of: Genus Comarmondia T.A. de M. Monterosato, 1884 (CLATHURELLIDAE)
- bellardiana, Archicypraea bellardiana Schilder, 1932 † - (CYPRAEIDAE) (FOSSIL)
- bellardiana, Miltha bellardiana (C. Mayer, 1864 †) - (LUCINIDAE) (FOSSIL)
- bellardiana, Musculus bellardiana C.M. Tapparone-Canefri, 1874 - syn of: Arcuatula senhousia (W.H. Benson, 1842) - (MYTILIDAE)
- bellardiana, Modiolus bellardiana C.M. Tapparone-Canefri, 1874 - syn of: Arcuatula senhousia (W.H. Benson, 1842) - (MYTILIDAE)
- Bellardiclio, Subgenus Clio (Bellardiclio) Janssen, 2004 † (CAVOLINIIDAE) (FOSSIL)
- Bellardiella, Genus Bellardiella Tapparone Canefri, 1883 (PUPINIDAE)
- bellardii, Acteocina bellardii (A. von Koenen, 1882 †) - (ACTEOCINIDAE) (FOSSIL)
- bellardii, Aeolidia bellardii (J.B. Vérany, 1846) - (AEOLIDIIDAE)
- bellardii, Delphinula bellardii O.G. Michelotti, 1847 † - syn of: Pseudonina bellardii (O.G. Michelotti, 1847 † †) - (ANGARIIDAE) (FOSSIL)
- bellardii, Cordieria bellardii G.P. Deshayes, 1865 - (BORSONIIDAE)
- bellardii, Tomopleura bellardii (F.P. Jousseaume, 1883) - (BORSONIIDAE)
- bellardii, Oligotoma bellardii F.P. Jousseaume, 1883 - syn of: Tomopleura bellardii (F.P. Jousseaume, 1883) - (BORSONIIDAE)
- bellardii, Cancellaria bellardii (O.G. Michelotti, 1847 †) - (CANCELLARIIDAE) (FOSSIL)
- bellardii, Trigonostoma bellardii (C. De Stefani & D. Pantanelli, 1886 †) - (CANCELLARIIDAE) (FOSSIL)
- bellardii, Nilobia bellardii (Mayer-Eymar 1895) † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- bellardii, Cassis bellardii O.G. Michelotti, 1847 † - syn of: Semicassis jauberti A.E.M. Cossmann & M.A. Peyrot, 1923 † - (CASSIDAE) (FOSSIL)
- bellardii, Donax bellardii C.M. Tapparone-Canefri, 1869 - syn of: Donax trunculus C. Linnaeus, 1758 - (DONACIDAE)
- bellardii, Stenodrillia bellardii (C. des Moulins, 1842 †) - (DRILLIIDAE) (FOSSIL)
- bellardii, Eocithara bellardii F. Sacco, 1890 † - (HARPIDAE) (FOSSIL)
- bellardii, Assyriella bellardii (A. Mousson, 1854) - (HELICIDAE)
- bellardii, Morula bellardii (R. Hoernes & M. Auinger, 1890 †) - (MURICIDAE) (FOSSIL)
- bellardii, Janssenia bellardii (B.M. Landau & al., 2007 †) - (MURICIDAE) (FOSSIL)
- bellardii, Pseudonina bellardii (O.G. Michelotti, 1847 † †) - (NYSTIELLIDAE) (FOSSIL)
- bellardii, Cingulina bellardii A. Hornung & G. Mermod, 1924 - (PYRAMIDELLIDAE)
- bellardii, Rissoina bellardii A. Issel, 1869 - syn of: Pyramidelloides mirandus (A. Adams, 1861) - (RISSOINIDAE)
- bellardii, Terebellopsis bellardii (A. De Gregorio, 1880 †) - (ROSTELLARIIDAE) (FOSSIL)
- bellardii, Pisidium bellardii Š. Brusina, 1884 † - (SPHAERIIDAE) (FOSSIL)
- bellardii, Stenothyra bellardii (G.F. Dollfus & P. Dautzenberg, 1886 †) - (STENOTHYRIDAE) (FOSSIL)
- bellardii, Ethalia bellardii (A. Issel, 1869) - (TROCHIDAE)
- bellardii, Turritella bellardii C. Mayer, 1866 † - (TURRITELLIDAE) (FOSSIL)
- bellardii, Vitrina bellardii C. Pollonera, 1884 - syn of: Vitrina pellucida (O.F. Müller, 1774) - (VITRINIDAE)
- bellardii occlusa, Assyriella bellardii occlusa (A. Mousson, 1854) - (HELICIDAE)
- bellaria, Sphaerospira bellaria (T. Iredale, 1937) - (CAMAENIDAE)
- Bellascintilla, Genus Bellascintilla C.C. Coney, 1990 (GALEOMMATIDAE)
- Bellaspira, Genus Bellaspira T.A. Conrad, 1868 (DRILLIIDAE)
- Bellastraea, Genus Bellastraea T. Iredale, 1924 (TURBINIDAE)
- bellastriata, Asperiscala bellastriata P.P. Carpenter, 1864 - syn of: Epitonium bellastriatum (P.P. Carpenter, 1864) - (EPITONIIDAE)
- bellastriata, Nucula bellastriata T.A. Conrad, 1841 † - syn of: Carydium bellastriatum (T.A. Conrad, 1841 †) - (NUCULIDAE) (FOSSIL)
- bellastriata, Semele bellastriata T.A. Conrad, 1837 - (SEMELIDAE)
- bellastriata donovani, Semele bellastriata donovani J.T.L. McGinty, 1955 - syn of: Semele bellastriata T.A. Conrad, 1837 - (SEMELIDAE)
- bellastriatum, Carydium bellastriatum (T.A. Conrad, 1841 †) - (CARYDIIDAE) (FOSSIL)
- bellastriatum, Epitonium bellastriatum (P.P. Carpenter, 1864) - (EPITONIIDAE)
- Bellatara, Genus Bellatara Strand, 1928 † (PACHYCHILIDAE) (FOSSIL)
- bellatrix, Calliostoma bellatrix R.C. Willan, 2002 - (CALLIOSTOMATIDAE)
- bellatrix, Erosaria bellatrix F.Jr. Lorenz, 2009 - (CYPRAEIDAE)
- bellatula, Bathyarca bellatula J. Marwick, 1942 † - (ARCIDAE) (FOSSIL)
- Bellatula, syn of: Genus Comarmondia T.A. de M. Monterosato, 1884 (CLATHURELLIDAE)
- bellatula, Elasmonema bellatula (J.W. Hall, 1861 †) - (ELASMONEMATIDAE) (FOSSIL)
- bellatula, Patelloida bellatula (T. Iredale, 1929) - (LOTTIIDAE)
- bellatula, Circlotoma bellatula S.Y. Feng, 1996 - (TORNIDAE)
- bellatulum, Parametacoceras bellatulum Miller & Owen, 1934 † - (GZHELOCERATIDAE) (FOSSIL)
- bellatulum, Kionoceras bellatulum Billings, 1866 † - syn of: Kionoceras virgatum (J. de C. Sowerby & Murchison, 1839 †) - (KIONOCERATIDAE) (FOSSIL)
- bellatulum, Orthoceras bellatulum Billings, 1866 † - syn of: Kionoceras virgatum (J. de C. Sowerby & Murchison, 1839 †) - (ORTHOCERATIDAE) (FOSSIL)
- bellatulus, Aviculopecten bellatulus Newell, 1938 † - (AVICULOPECTINIDAE) (FOSSIL)
- bellaturus, Micronectes bellaturus Ichikawa & Maeda 1958 † - (PECTINIDAE) (FOSSIL)
- Bellaxinaea, syn of: Genus Tucetona T. Iredale, 1931 (GLYCYMERIDIDAE)
- Bellaxinaea, syn of: Genus Tucetona T. Iredale, 1931 (GLYCYMERIDIDAE)
- Bellazona, Genus Bellazona Gordon & Yochelson, 1987 † (MURCHISONIIDAE) (FOSSIL)
- bellefourchensis, Mytiloides bellefourchensis Walaszczyk & Cobban, 2000 † - (INOCERAMIDAE) (FOSSIL)
- bellegladeensis, Vokesimurex bellegladeensis (E.H. Vokes, 1963) - (MURICIDAE)
- bellegladeensis, Murex bellegladeensis E.H. Vokes, 1963 - syn of: Vokesimurex bellegladeensis (E.H. Vokes, 1963) - (MURICIDAE)
- bellegladensis, Haustellum bellegladensis E.H. Vokes, 1963 - syn of: Vokesimurex bellegladeensis (E.H. Vokes, 1963) - (MURICIDAE)
- bellendenker, Altidelos bellendenker J. Stanisic, 2010 - (RHYTIDIDAE)
- bellendenkerensis, Hadra bellendenkerensis J.W. Brazier, 1875 - (CAMAENIDAE)
- bellengerensis, Austrochloritis bellengerensis (J.C. Cox, 1871) - (CAMAENIDAE)
- bellengerensis, Helix bellengerensis J.C. Cox, 1871 - syn of: Austrochloritis bellengerensis (J.C. Cox, 1871) - (HELICIDAE)
- bellense, Acanthoceras bellense Adkins, 1928 † - (ACANTHOCERATIDAE) (FOSSIL)
- bellense, Kitikamispira bellense (Tassell, 1978 †) - (EUOMPHALOIDEA (UNASSIGNED)) (FOSSIL)
- bellense, Gyronema bellense Tassell, 1978 † - syn of: Kitikamispira bellense (Tassell, 1978 †) - (LOPHOSPIRIDAE) (FOSSIL)
- bellensis, Protoginella bellensis (A.G. Beu, 1970 †) - (MARGINELLIDAE) (FOSSIL)
- Bellerato, Genus Bellerato Maxwell, 1992 † (TRIVIIDAE) (FOSSIL)
- Bellerophina, Genus Bellerophina D'Orbigny, 1843 † (BELLEROPHINIDAE) (FOSSIL)
- BELLEROPHINIDAE Destombes, 1984 † - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-PTEROTRACHEOIDEA [Superfamily]) (FOSSIL)
- Bellerophon, Genus Bellerophon de Montfort, 1808 † (BELLEROPHONTIDAE) (FOSSIL)
- bellerophon, Scintillona bellerophon D. Ó Foighil & G.G. Gibson, 1984 - (GALEOMMATIDAE)
- bellerophon, Eutrephoceras bellerophon (Lundgren, 1867 †) - (NAUTILIDAE) (FOSSIL)
- BELLEROPHONTIDA (UNASSIGNED) - Family (GASTROPODA-AMPHIGASTROPODA [Subclass]-BELLEROPHONTIDA [Order]) (FOSSIL)
- BELLEROPHONTIDAE McCoy, 1852 † - Family (GASTROPODA-AMPHIGASTROPODA [Subclass]-BELLEROPHONTIDA [Order]-BELLEROPHONTOIDEA [Superfamily]) (FOSSIL)
- Bellerophus, syn of: Genus Bellerophon de Montfort, 1808 † (BELLEROPHONTIDAE) (FOSSIL)
- bellesi, Zospeum bellesi E. Gittenberger, 1973 - (ELLOBIIDAE)
- bellevuense, Spirostemma bellevuense H.A. Pilsbry, 1903 - (UROCOPTIDAE)
- Bellgrandia, syn of: Genus Belgrandia J.R. Bourguignat, 1869 (HYDROBIIDAE)
- belli, Omphalotropis howeinsulae belli T. Iredale, 1944 - (ASSIMINEIDAE)
- belli, Diaphoroceras belli Ulrich & al., 1944 † - (BASSLEROCERATIDAE) (FOSSIL)
- belli, Allocharopa belli (J.C. Cox, 1864) - (CHAROPIDAE)
- belli, Palaina belli H.B. Preston, 1913 - (DIPLOMMATINIDAE)
- belli, Microcystis belli H.B. Preston, 1913 - (EUCONULIDAE)
- belli, Gryphaea belli L.W. Stephenson, 1941 † - (GRYPHAEIDAE) (FOSSIL)
- belli, Helicarion belli T. Iredale, 1944 - (HELICARIONIDAE)
- belli, Mathewsoconcha belli H.B. Preston, 1913 - (HELICARIONIDAE)
- belli, Subarcthoplites belli McLearn, 1945 † - (HOPLITIDAE) (FOSSIL)
- belli, Gonionotites belli McLearn, 1940 † - (JUVAVITIDAE) (FOSSIL)
- belli, Lophospira belli Foerste, 1924 † - syn of: Ruedemannia humilis (Ulrich & Scofield, 1897 †) - (LOPHOSPIRIDAE) (FOSSIL)
- belli, Orthonychia belli A.H. Clarke, 1908 † - (ORTHONYCHIIDAE) (FOSSIL)
- belli, Pseudozygopleura belli Carew, 1980 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- belli, Punctum belli T. Iredale, 1944 - (PUNCTIDAE)
- belli, Alvania belli M. Glibert, 1962 † - (RISSOIDAE) (FOSSIL)
- belli, Tritoniella belli C.N.E. Eliot, 1907 - (TRITONIIDAE)
- belli extra, Punctum belli extra T. Iredale, 1944 - (PUNCTIDAE)
- belliaci, Homalopoma belliaci O. Priolo, 1952 - syn of: Homalopoma sanguineus (C. Linnaeus, 1758) - (COLLONIIDAE)
- belliaei, Homalopoma belliaei A. Michaud, 1829 - syn of: Homalopoma sanguineus (C. Linnaeus, 1758) - (COLLONIIDAE)
- belliana, Oxyperas belliana (W.R.B. Oliver, 1915) - (MACTRIDAE)
- belliata, Iselica belliata B.M. Landau & P.I. LaFollette, 2015 † - (AMATHINIDAE) (FOSSIL)
- belliatus, Callistochiton belliatus P. Kaas & R.A. Van Belle, 1994 - (CALLISTOPLACIDAE)
- bellica, Cuspivolva bellica (C.N. Cate, 1973) - (OVULIDAE)
- bellicarinata, Arjamannia bellicarinata (J. Donald, 1906 †) - (LOPHOSPIRIDAE) (FOSSIL)
- bellicincta, Hormotoma bellicincta J.W. Hall, 1847 † - syn of: Eroicaspira bellicincta (J.W. Hall, 1847 †) - (MURCHISONIIDAE) (FOSSIL)
- bellicincta, Eroicaspira bellicincta (J.W. Hall, 1847 †) - (SUBULITIDAE) (FOSSIL)
- bellicosa, Alopia plumbea bellicosa (M. von Kimakowicz, 1894) - (CLAUSILIIDAE)
- bellicosa, Doris bellicosa E.F. Kelaart, 1858 - (DORIDIDAE)
- bellicostata, Chlamys bellicostata Wood, 1861 † - (PECTINIDAE) (FOSSIL)
- bellicosum, Calliostoma bellicosum H.F.A. von Ihering, 1907 † - (CALLIOSTOMATIDAE) (FOSSIL)
- bellicosum, Lithocerithium bellicosum T.A. de M. Monterosato, 1917 - syn of: Cerithium lividulum A. Risso, 1826 - (CERITHIIDAE)
- bellicosum, Epitonium bellicosum C. Hedley, 1907 - (EPITONIIDAE)
- belliemii, Siciliaria calcarae belliemii R.A.M. Brandt, 1961 - (CLAUSILIIDAE)
- belliformis, Maitaia belliformis Biakov, 1992 † - (ATOMODESMATIDAE) (FOSSIL)
- Bellifusus, Genus Bellifusus Stephenson, 1941 † (FASCIOLARIIDAE) (FOSSIL)
- bellignyi, Acanthochitona bellignyi (A. de Rochebrune, 1884) - (ACANTHOCHITONIDAE)
- bellii, Petterdiana bellii (W.F. Petterd, 1889) - (HYDROBIIDAE)
- bellii, Margarites bellii Harmer † - (MARGARITIDAE) (FOSSIL)
- bellii, Glabella bellii (G.B. II Sowerby, 1846) - (MARGINELLIDAE)
- bellilamellatus, Pecten bellilamellatus R. Arnold, 1906 - syn of: Leptopecten latiauratus (T.A. Conrad, 1837) - (PECTINIDAE)
- bellilineata, Donaldina bellilineata (Miller, 1891 †) - (DONALDINIDAE) (FOSSIL)
- bellilineata, Aclisina bellilineata Miller, 1891 † - syn of: Donaldina bellilineata (Miller, 1891 †) - (MURCHISONIIDAE) (FOSSIL)
- bellilineatum, Owenoceras bellilineatum (Miller & Owen, 1939 †) - (GASTRIOCERATIDAE) (FOSSIL)
- bellilineatum, Neoglyphioceras bellilineatum Miller & Owen, 1939 † - syn of: Owenoceras bellilineatum (Miller & Owen, 1939 †) - (GONIATITIDAE) (FOSSIL)
- bellilineatum, Pseudoparalegoceras bellilineatum (Miller & Furnish, 1940 †) - (PSEUDOPARALEGOCERATIDAE) (FOSSIL)
- bellingenensis, Helix bellingenensis J.W. Brazier, 1871 - syn of: Austrochloritis bellengerensis (J.C. Cox, 1871) - (HELICIDAE)
- bellini, Favartia bellini (D'Attilio & B.W. Myers, 1985) - (MURICIDAE)
- bellini, Pygmaepterys bellini (D'Attilio & B.W. Myers, 1985) - syn of: Favartia bellini (D'Attilio & B.W. Myers, 1985) - (MURICIDAE)
- bellinii, Gibbula bellinii G.S. Coen, 1930 - syn of: Gibbula magus (C. Linnaeus, 1758) - (TROCHIDAE)
- bellipictus, Chlamys bellipictus W.P. Woodring, 1925 - syn of: Antillipecten antillarum (C.A. Récluz, 1853) - (PECTINIDAE)
- bellipictus, Chlamys bellipictus W.P. Woodring, 1925 - syn of: Antillipecten antillarum (C.A. Récluz, 1853) - (PECTINIDAE)
- bellireticulata, Retispira bellireticulata Knight, 1945 † - (KNIGHTITIDAE) (FOSSIL)
- bellireticulata, Tropidina bellireticulata Youluo, 1978 † - (VALVATIDAE) (FOSSIL)
- Belliscala, Genus Belliscala L.W. Stephenson, 1941 † (EPITONIIDAE) (FOSSIL)
- belliseptatiforme, Lytoceras belliseptatiforme M. Collignon, 1962 † - (LYTOCERATIDAE) (FOSSIL)
- belliseptatum, Argonauticeras belliseptatum (Anthula, 1899 †) - (TETRAGONITIDAE) (FOSSIL)
- bellisima, Carditellopsis bellisima Darragh 1994 † - (CARDITIDAE) (FOSSIL)
- bellisimum, Chondropometes bellisimum C. de la Torre & P. Bartsch, 1938 - syn of: Chondropometes bellissimum C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- bellissimum, Chondropometes bellissimum C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- bellistriata, Ambonychiopsis bellistriata (J.W. Hall, 1847 †) - (AMBONYCHIIDAE) (FOSSIL)
- bellistriata, Architectonica bellistriata T.A. Conrad, 1854 † - (ARCHITECTONICIDAE) (FOSSIL)
- bellistriata, Thorslundia bellistriata Isberg, 1934 † - (CYRTODONTIDAE) (FOSSIL)
- bellistriata, Scalaria bellistriata P.P. Carpenter, 1864 - syn of: Epitonium bellastriatum (P.P. Carpenter, 1864) - (EPITONIIDAE)
- bellistriata, Polidevcia bellistriata (Stevens, 1858 †) - (NUCULANIDAE) (FOSSIL)
- bellistriata, Pleurotomella bellistriata Clark, 1895 † - (RAPHITOMIDAE) (FOSSIL)
- bellistriata, Shaninopsis bellistriata Isberg, 1934 † - (VLASTIDAE) (FOSSIL)
- bellistriatus, Eodon bellistriatus T.A. Conrad † - (EODONIDAE) (FOSSIL)
- bellistriatus, Microdon bellistriatus T.A. Conrad † - syn of: Eodon bellistriatus T.A. Conrad † - (EODONIDAE) (FOSSIL)
- bellistriatus, Technophorus bellistriatus (R.M. Branson, 1909 †) - (TECHNOPHORIDAE) (FOSSIL)
- Belloceras, Genus Belloceras Cecioni, 1965 † (ELLESMEROCERIDA (UNASSIGNED)) (FOSSIL)
- Belloconcha, Genus Belloconcha H.B. Preston, 1913 (HELICARIONIDAE)
- Belloconcha, syn of: Genus Mathewsoconcha H.B. Preston, 1913 (HELICARIONIDAE)
- bellocqae, Conus bellocqae H.M. van Rossum, 1996 - syn of: Monteiroconus bellocquae H.M. van Rossum, 1996 - (CONIDAE)
- bellocqae, Primovula bellocqae C. Cardin, 1997 - syn of: Pseudosimnia juanjosensii (A.M. Pérez & B. Gómez, 1987) - (OVULIDAE)
- bellocquae, Monteiroconus bellocquae H.M. van Rossum, 1996 - (CONIDAE)
- belloides, Volvarina belloides (A.A. Olsson & A. Harbison, 1953 †) - (MARGINELLIDAE) (FOSSIL)
- Belloliva, Genus Belloliva A.J. Peile, 1922 (OLIVIDAE)
- Bellolividae, Genus Bellolividae Kantor, Fedosov, Puillandre, Bonillo & Bouchet, 2017 (BELLOLIVIDAE)
- BELLOLIVIDAE Kantor, Fedosov & al., 2017 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-NEOGASTROPODA [Order]-OLIVOIDEA [Superfamily])
- bellona, Loxonema bellona J.W. Hall, 1876 † - (LOXONEMATIDAE) (FOSSIL)
- bellona, Mesomiltha bellona (A.V.M.D. D'Orbigny, 1850 †) - (LUCINIDAE) (FOSSIL)
- bellona, Purpurina bellona (A.V.M.D. D'Orbigny, 1850 †) - (PURPURINIDAE) (FOSSIL)
- bellona, Paravitrea bellona L.R. Hubricht, 1978 - (ZONITIDAE)
- bellona pagoda, Purpurina bellona pagoda Hudleston † - (PURPURINIDAE) (FOSSIL)
- bellonae, Mitrella bellonae K. Monsecour & D. Monsecour, 2016 - (COLUMBELLIDAE)
- bellonarum, Amalda bellonarum R.N. Kilburn & P. Bouchet, 1988 - (ANCILLARIIDAE)
- Bellonidium, syn of: Subgenus Eulimella (Belonidium) A.E.M. Cossmann, 1892 (PYRAMIDELLIDAE)
- bellornatus, Dombarites bellornatus W. Korn & Ebbighausen, 2006 † - (DELEPINOCERATIDAE) (FOSSIL)
- Bellostrea, Subgenus Ostrea (Bellostrea) Vialov, 1936 † (OSTREIDAE) (FOSSIL)
- bellosum, Acanthopecten bellosum Hoare & al., 1978 † - (LIMIPECTINIDAE) (FOSSIL)
- belloti, Gomphoceras belloti Barrande, 1865 † - syn of: Ovocerina belloti (Barrande, 1865 †) - (DIESTOCERATIDAE) (FOSSIL)
- belloti, Ovocerina belloti (Barrande, 1865 †) - (MANDALOCERATIDAE) (FOSSIL)
- bellotii, Nuculana bellotii A. Adams, 1856 - syn of: Ennucula tenuis (G. Montagu, 1808) - (NUCULANIDAE)
- bellotii, Nucula bellotii A. Adams, 1856 - syn of: Ennucula tenuis (G. Montagu, 1808) - (NUCULIDAE)
- bellotti, Nucula bellotti A. Adams, 1856 - syn of: Ennucula tenuis (G. Montagu, 1808) - (NUCULIDAE)
- bellovacensis, Dosiniopsis bellovacensis G.P. Deshayes, 1825 † - syn of: Dosiniopsis bellovacina (G.P. Deshayes, 1825 †) - (VENERIDAE) (FOSSIL)
- bellovaciana, Amalda bellovaciana J.M. Pacaud, D. Merle & Pons, 2013 † - (ANCILLARIIDAE) (FOSSIL)
- bellovacina, Trochulus bellovacina J.F. Mabille, 1877 - syn of: Trichia hispida (C. Linnaeus, 1758) - (HYGROMIIDAE)
- bellovacina, Bellostrea bellovacina (J.B.P.A. Lamarck, 1806 †) - (OSTREIDAE) (FOSSIL)
- bellovacina, Turritella bellovacina G.P. Deshayes, 1861 † - (TURRITELLIDAE) (FOSSIL)
- bellovacina, Dosiniopsis bellovacina (G.P. Deshayes, 1825 †) - (VENERIDAE) (FOSSIL)
- Bellrhagada, syn of: Genus Rhagada J.A. Albers, 1860 (CAMAENIDAE)
- bellsanum, Plesiacanthoceras bellsanum (L.W. Stephenson, 1953 †) - (ACANTHOCERATIDAE) (FOSSIL)
- belltrani, Peronaeus agueroi belltrani W.K. Weyrauch, 1964 - (BULIMULIDAE)
- bellua, Anodonta bellua P.M.A. Morelet, 1866 - syn of: Cristaria plicata (W.E. Leach, 1815) - (UNIONIDAE)
- belluccii, Viviparus belluccii C. De Stefani, 1880 † - (VIVIPARIDAE) (FOSSIL)
- belluccii narniensis, Viviparus belluccii narniensis (O. Girotti, 1966 †) - (VIVIPARIDAE) (FOSSIL)
- Bellucina, syn of: Genus Cardiolucina F. Sacco, 1901 (LUCINIDAE)
- bellula, Callispira bellula Mazaev, 2003 † - (ACANTHONEMATIDAE) (FOSSIL)
- bellula, Achatinella bellula E.A. Smith, 1873 - (ACHATINELLIDAE)
- bellula, Bathyarca bellula (Wiechmann, 1874 †) - (ARCIDAE) (FOSSIL)
- bellula, Conradella bellula Ulrich & Scofield, 1897 † - syn of: Phragmolites bellulus Ulrich & Scofield, 1897 † - (BUCANIIDAE) (FOSSIL)
- bellula, Macedonica pindica bellula E. Gittenberger, 2002 - (CLAUSILIIDAE)
- bellula, Talabrica bellula (A. Adams, 1854) - (CRASSATELLIDAE)
- bellula, Crassatella bellula A. Adams, 1854 - syn of: Talabrica bellula (A. Adams, 1854) - (CRASSATELLIDAE)
- bellula, Crassatina bellula A. Adams, 1854 - syn of: Talabrica bellula (A. Adams, 1854) - (CRASSATELLIDAE)
- bellula, Crossea bellula A. Adams, 1865 - (CROSSEOLIDAE)
- bellula, Japonia bellula (E.C. Von Martens, 1867) - (CYCLOPHORIDAE)
- bellula, Edmondia bellula Girty, 1909 † - (EDMONDIIDAE) (FOSSIL)
- bellula, Emarginula bellula A. Adams, 1851 - (FISSURELLIDAE)
- bellula, Helicina bellula A.A. Gould - (HELICINIDAE)
- bellula, Neptunopecten bellula (Astafieva, 1997 †) - (HETEROPECTINIDAE) (FOSSIL)
- bellula, Buchema bellula (E.A. Smith, 1882) - (HORAICLAVIDAE)
- bellula, Calliopaea bellula A.V.M.D. D'Orbigny, 1837 - (LIMAPONTIIDAE)
- bellula, Plagiostoma bellula Morris & J. Lycett, 1853 † - (LIMIDAE) (FOSSIL)
- bellula, Strigatella bellula A. Adams, 1853 - (MITRIDAE)
- bellula, Mitromorpha bellula M. Harzhauser, 2014 † - (MITROMORPHIDAE) (FOSSIL)
- bellula, Cosmogoniophora bellula (Billings, 1874 †) - (MODIOMORPHIDAE) (FOSSIL)
- bellula, Nassa bellula A. Adams, 1852 - syn of: Nassarius bellulus (A. Adams, 1852) - (NASSARIIDAE)
- bellula, Nuculana bellula (A. Adams, 1856) - (NUCULANIDAE)
- bellula, Leda bellula C. Hedley, 1906 - syn of: Saccella maxwelli A.G. Beu, 2006 - (NUCULANIDAE)
- bellula, Saccella bellula A. Adams, 1856 - syn of: Nuculana bellula (A. Adams, 1856) - (NUCULANIDAE)
- bellula, Truncacila bellula Slodkewitsch, 1967 † - (NUCULIDAE) (FOSSIL)
- bellula, Samoana bellula W.D. Hartman - (PARTULIDAE)
- bellula, Pholadomya bellula Whidborne † - (PHOLADOMYIDAE) (FOSSIL)
- bellula, Elimia bellula (I. Lea, 1861) - (PLEUROCERIDAE)
- bellula, Hammatospira bellula W.J. Gordon & E.L. Yochelson, 1983 † - (PORTLOCKIELLIDAE) (FOSSIL)
- bellula, Ptychopteria bellula (Whidborne) † - (PTERINEIDAE) (FOSSIL)
- bellula, Chrysallida bellula A. Adams, 1860 - (PYRAMIDELLIDAE)
- bellula, Cabestana bellula Astafieva, 1997 † - syn of: Neptunopecten bellula (Astafieva, 1997 †) - (RANELLIDAE) (FOSSIL)
- bellula, Phosinella bellula (A. Adams, 1851) - (RISSOINIDAE)
- bellula, Rissoina bellula A. Adams, 1851 - syn of: Phosinella bellula (A. Adams, 1851) - (RISSOINIDAE)
- bellula, Solariella bellula J.C. Melvill & R. Standen - (SOLARIELLIDAE)
- bellula, Kenzieana bellula (Barrande, 1881 †) - (SPANILIDAE) (FOSSIL)
- bellula, Melania bellula I. Lea, 1861 - syn of: Elimia bellula (I. Lea, 1861) - (THIARIDAE)
- bellula, Catriona bellula S.L. Lovén, 1846 - syn of: Cuthona gymnota (J.P.Y. Couthouy, 1838) - (TRINCHESIIDAE)
- bellula, Iniforis bellula S. Kosuge, 1961 - (TRIPHORIDAE)
- bellula, Trochozonites bellula (E.C. Von Martens, 1892) - (UROCYCLIDAE)
- bellula multizonata, Achatinella bellula multizonata D.D. Baldwin, 1895 - (ACHATINELLIDAE)
- bellulavaria, Subcancilla bellulavaria A.M. Dekkers, M. Herrmann, G.T. Poppe & S.P. Tagaro, 2014 - (MITRIDAE)
- bellulum, Bothropoma bellulum (C.B. Adams, 1873) - (COLLONIIDAE)
- bellulum, Eupleuroceras bellulum Miller & Cline, 1934 † - (EUPLEUROCERATIDAE) (FOSSIL)
- bellulum, Prunum bellulum (W.H. Dall, 1890) - (MARGINELLIDAE)
- bellulum, Cyclonema bellulum Billings, 1866 † - (PLATYCERATIDAE) (FOSSIL)
- bellulum, Trochonema bellulum Ulrich & Scofield, 1897 † - (TROCHONEMATIDAE) (FOSSIL)
- bellulum, Kelteroceras bellulum Ermakova, 1975 † - (XENODISCIDAE) (FOSSIL)
- bellulus, Plekocheilus bellulus I.H. Jonas, 1844 - (AMPHIBULIMIDAE)
- bellulus, Phragmolites bellulus Ulrich & Scofield, 1897 † - (BUCANIIDAE) (FOSSIL)
- bellulus, Africonus bellulus (E. Rolán, 1990) - (CONIDAE)
- bellulus, Cadulus bellulus Clark, 1895 † - (GADILIDAE) (FOSSIL)
- bellulus, Hippocardia bellulus Barrande, 1881 † - (HIPPOCARDIIDAE) (FOSSIL)
- bellulus, Hippocardia bellulus Cresswell, 1893 † - (HIPPOCARDIIDAE) (FOSSIL)
- bellulus, Pleurorhynchus bellulus Cresswell, 1893 † - syn of: Hippocardia bellulus Cresswell, 1893 † - (HIPPOCARDIIDAE) (FOSSIL)
- bellulus, Nassarius bellulus (A. Adams, 1852) - (NASSARIIDAE)
- bellulus, Neithea bellulus Cragin, 1893 † - (PECTINIDAE) (FOSSIL)
- bellulus, Spectamen bellulus (G.F. Angas, 1869) - (SOLARIELLIDAE)
- bellulus, Phasianotrochus bellulus (R.W. Dunker, 1845) - (TROCHIDAE)
- bellum, Calliostoma bellum (T.A. Conrad, 1834 †) - (CALLIOSTOMATIDAE) (FOSSIL)
- bellum, Conocardium bellum Cooper & Cloud, 1938 † - syn of: Fraipontia bella (Cooper & Cloud, 1938 †) - (CONOCARDIIDAE) (FOSSIL)
- bellum, Vexillum bellum (W.H. Pease, 1860) - (COSTELLARIIDAE)
- bellum, Phyllodesmium bellum W.P.E.S. Rüppell & F.S. Leuckart, 1831, 1828 - (FACELINIDAE)
- bellum, Jinyaceras bellum Brayard & Bucher, 2008 † - (MELAGATHICERATIDAE) (FOSSIL)
- bellum, Eulithidium bellum (M. Smith, 1937) - (PHASIANELLIDAE)
- bellum, Chondropometes bellum Torré - (POMATIIDAE)
- bellum bellulum, Prunum bellum bellulum W.H. Dall, 1890 - syn of: Prunum bellulum (W.H. Dall, 1890) - (MARGINELLIDAE)
- bellum ineptum, Prunum bellum ineptum W.H. Dall, 1890 - syn of: Prunum bellulum (W.H. Dall, 1890) - (MARGINELLIDAE)
- bellus, Tornatellides bellus C.M. Cooke & H.A. Pilsbry, 1915 - (ACHATINELLIDAE)
- bellus, Penion bellus (T.A. Conrad, 1833 †) - (BUCCINIDAE) (FOSSIL)
- bellus, Drymaeus bellus S.I. Da Costa, 1906 - syn of: Drymaeus blandi H.A. Pilsbry, 1898 - (BULIMULIDAE)
- bellus, Fusus bellus C.B. Adams, 1852 - syn of: Bailya anomala (R.B. Hinds, 1844) - (FASCIOLARIIDAE)
- bellus, Oelandiella bellus (S.Y. Feng & al., 2000 †) - (HELCIONELLIDAE) (FOSSIL)
- bellus, Helcionella bellus S.Y. Feng & al., 2000 † - syn of: Oelandiella bellus (S.Y. Feng & al., 2000 †) - (HELCIONELLIDAE) (FOSSIL)
- bellus, Retispira bellus Keyes, 1894 † - syn of: Retispira textiliformis (Gurley, 1883 †) - (KNIGHTITIDAE) (FOSSIL)
- bellus, Lithoglyphus bellus Papaianopol, 2006 † - (LITHOGLYPHIDAE) (FOSSIL)
- bellus, Murex bellus L.A. Reeve, 1845 - syn of: Vokesimurex chrysostoma bellus (L.A. Reeve, 1845) - (MURICIDAE)
- bellus, Vokesimurex chrysostoma bellus (L.A. Reeve, 1845) - (MURICIDAE)
- bellus, Nassarius bellus (F.P. Marrat, 1877) - (NASSARIIDAE)
- bellus, Pecten bellus T.A. Conrad, 1857 † - (PECTINIDAE) (FOSSIL)
- bellus, Fossarus bellus W.H. Dall, 1889 - (PLANAXIDAE)
- bellus, Haplocochlias bellus (W.H. Dall, 1889) - (SKENEIDAE)
- bellus angriasensis, Nassarius bellus angriasensis (J.C. Melvill & R. Standen, 1901) - (NASSARIIDAE)
- bellus leai, Penion bellus leai K.V.W. Palmer, 1937 - (BUCCINIDAE)
- belmontense, Cenoceras belmontense Rulleau, 2008 † - (CENOCERATIDAE) (FOSSIL)
- belmonti, Synaptocochlea belmonti L.R.L. Simone, 2009 - (TROCHIDAE)
- Belmonticeras, Genus Belmonticeras Rulleau, 2008 † (NAUTILIDAE) (FOSSIL)
- belmorei, Trochomorpha belmorei J.C. Cox - (TROCHOMORPHIDAE)
- belnensis, Tournouerina belnensis (Delafond & Depéret, 1893) † - (HYDROBIIDAE) (FOSSIL)
- belnensis, Planorbarius belnensis (Tournouër, 1866) † - (PLANORBIDAE) (FOSSIL)
- Belocaulis, syn of: Genus Angustipes G. Colosi, 1922 (VERONICELLIDAE)
- Belocaulus, Genus Belocaulus H. Hoffmann, 1925 (VERONICELLIDAE)
- Beloceras, Genus Beloceras Hyatt , 1884 † (BELOCERATIDAE) (FOSSIL)
- BELOCERATIDAE Hyatt, 1884 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AGONIATITIDA [Order]-BELOCERATOIDEA [Superfamily]) (FOSSIL)
- Belocurta, Genus Belocurta Avnimelech, 1956 † (SEPIIDA (UNASSIGNED)) (FOSSIL)
- belogolovensis, Cyclocardia belogolovensis (Ilyina, 1962 †) - (CARDITIDAE) (FOSSIL)
- belohasifakaensis, Acanthohoplites belohasifakaensis M. Collignon, 1962 † - (DESHAYESITIDAE) (FOSSIL)
- beloitense, Actinoceras beloitense R.P. Whitfield † - (ACTINOCERATIDAE) (FOSSIL)
- beloitense, Ulrichoceras beloitense Foerste, 1928 † - (CYRTOGOMPHOCERATIDAE) (FOSSIL)
- beloitense, Trochonema beloitense R.P. Whitfield, 1878 † - (TROCHONEMATIDAE) (FOSSIL)
- beloitense, Fayettoceras beloitense Foerste, 1932 † - (VALCOUROCERATIDAE) (FOSSIL)
- beloitensis, Lesueurilla beloitensis (Ulrich & Scofield, 1897 †) - (LESUEURILLIDAE) (FOSSIL)
- beloitensis, Ecculiomphalus beloitensis Ulrich & Scofield, 1897 † - syn of: Lesueurilla beloitensis (Ulrich & Scofield, 1897 †) - (OPHILETIDAE) (FOSSIL)
- beloitensis, Scenella beloitensis Ulrich & Scofield, 1897 † - (SCENELLIDAE) (FOSSIL)
- beloitensis, Subulites beloitensis Ulrich & Scofield, 1897 † - (SUBULITIDAE) (FOSSIL)
- beloiti, Ostrea beloiti Logan, 1899 † - (OSTREIDAE) (FOSSIL)
- Beloitoceras, Genus Beloitoceras Foerste, 1924 † (ONCOCERATIDAE) (FOSSIL)
- Belomitra, Genus Belomitra P. Fischer, 1882 (BELOMITRIDAE)
- BELOMITRIDAE Kantor, Puillandre, Rivasseau & Bouchet, 2012 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-NEOGASTROPODA [Order]-BUCCINOIDEA [Superfamily])
- Belonarion, Subgenus Mesafricarion (Belonarion) H.A. Pilsbry, 1919 (UROCYCLIDAE)
- belone, Taonius belone (C. Chun, 1906) - (CRANCHIIDAE)
- Belonella, syn of: Genus Taonius J.J.S. Steenstrup, 1861 (CRANCHIIDAE)
- Belonesia, Subgenus Liardetia (Belonesia) F.C. Baker, 1938 (EUCONULIDAE)
- beloni, Anixa beloni F.P. Jousseaume, 1894 - (BRADYBAENIDAE)
- beloni, Seguenzia beloni G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 - (SEGUENZIIDAE)
- belonidaea, Melanopsis belonidaea J.R. Bourguignat, 1884 - (MELANOPSIDAE)
- belonidea, Clausilia rugosa belonidea J.R. Bourguignat, 1877 - (CLAUSILIIDAE)
- Belonidium, Subgenus Eulimella (Belonidium) A.E.M. Cossmann, 1892 (PYRAMIDELLIDAE)
- Belonidium, syn of: Genus Eulimella E. Forbes & M' Andrew, 1846 (PYRAMIDELLIDAE)
- Belonimorphis, Genus Belonimorphis M. Jay & J. Drivas, 2002 (CERITHIOPSIDAE)
- belonimorphis, Belonimorphis belonimorphis M. Jay & J. Drivas, 2002 - (CERITHIOPSIDAE)
- Belonis, syn of: Genus Cecilioides A.E.J. Férussac, 1814 (FERUSSACIIDAE)
- belonis, Turbonilla belonis (J.C. Melvill & R. Standen, 1896) - (PYRAMIDELLIDAE)
- belonis, Amamimormula belonis J.C. Melvill & R. Standen, 1896 - syn of: Turbonilla belonis (J.C. Melvill & R. Standen, 1896) - (PYRAMIDELLIDAE)
- belonoides, Glyphostoma belonoides J. Gardner, 1937 † - (CLATHURELLIDAE) (FOSSIL)
- Belopeltis, syn of: Genus Loligosepia Quenstedt , 1839 † (LOLIGOSEPIIDAE) (FOSSIL)
- Belophos, Genus Belophos Cossmann, 1901 † (TURRIDAE) (FOSSIL)
- Beloplaxus, Genus Beloplaxus Oehlert, 1881 † (NEOLORICATA (UNASSIGNED)) (FOSSIL)
- Beloptera, Genus Beloptera Deshayes, 1824 † (BELOPTERIIDAE) (FOSSIL)
- BELOPTERIDAE - syn of Family: BELOPTERIIDAE (FOSSIL)
- Belopteridium, Genus Belopteridium Naef, 1921 † (SEPIIDA (UNASSIGNED)) (FOSSIL)
- BELOPTERIIDAE Naef, 1922 † - Family (CEPHALOPODA-COLEOIDEA [Subclass]-DECAPODIFORMES [Superorder]-SPIRULIDA [Order]) (FOSSIL)
- Belopterina, Genus Belopterina Munier-Chalmas, 1872 † (SEPIIDA (UNASSIGNED)) (FOSSIL)
- Belopygmeus, Subgenus Liardetia (Belopygmeus) F.C. Baker, 1938 (EUCONULIDAE)
- Belosaepia, syn of: Genus Belosepia Bronn, 1838 † (BELOSAEPIIDAE) (FOSSIL)
- BELOSAEPIIDAE Dixon, 1850 † - Family (CEPHALOPODA-COLEOIDEA [Subclass]-DECAPODIFORMES [Superorder]-SEPIIDA [Order]) (FOSSIL)
- Belosepia, Genus Belosepia Bronn, 1838 † (BELOSAEPIIDAE) (FOSSIL)
- Belosepiella, Genus Belosepiella Alessandri, 1905 † (SEPIIDA (UNASSIGNED)) (FOSSIL)
- BELOSEPIIDAE - syn of Family: BELOSAEPIIDAE (FOSSIL)
- Belospirula, Genus Belospirula † (BELEMNITIDA (UNASSIGNED)) (FOSSIL)
- BELOTEUTHIDAE Naef, 1921 † - Family (CEPHALOPODA-MESOTEUTHOIDEA [Superfamily]) (FOSSIL)
- Beloteuthis, Genus Beloteuthis Munster, 1843 † (BELOTEUTHIDAE) (FOSSIL)
- belotheca, Turbonilla belotheca W.H. Dall, 1889 - (PYRAMIDELLIDAE)
- belouis, Diplommatina belouis O.F. von Möllendorff, 1900 - (DIPLOMMATINIDAE)
- beloventer, Deiradoceras beloventer J. Kennedy & al., 1999 † - (BRANCOCERATIDAE) (FOSSIL)
- belsantii, Asmunda belsantii E. Saurin, 1959 - (PYRAMIDELLIDAE)
- belti, Astarte belti G. Høpner Petersen, 2001 - (ASTARTIDAE)
- belti, Scalina belti DeVries, 2006 † - (EPITONIIDAE) (FOSSIL)
- beltiana, Pupoides beltiana R. Tate, 1894 - (PUPILLIDAE)
- beltiana, Turbonilla beltiana L.G. Hertlein & A.M. Strong, 1951 - (PYRAMIDELLIDAE)
- belticum, Cerastoderma belticum L.A. Reeve, 1845 - syn of: Cerastoderma glaucum (J.G. Bruguière, 1789) - (CARDIIDAE)
- beltmani, Marginella peelae beltmani M.R. Hart, 1993 - (MARGINELLIDAE)
- beltoni, Anthracosphaerium beltoni W.B. Wright, 1929 † - syn of: Anthracosphaerium boltoni W.B. Wright, 1929 † - (ANTHRACOSIIDAE) (FOSSIL)
- beltrami, Valvata beltrami Contreras-Arquieta, 1993 - syn of: Valvata beltrani Contreras-Arquieta, 1993 - (VALVATIDAE)
- beltrani, Valvata beltrani Contreras-Arquieta, 1993 - (VALVATIDAE)
- belua, Cancellator belua Horný, 1992 † - (PLATYCERATIDAE) (FOSSIL)
- beluchistana, Thalotia beluchistana J.C. Melvill, 1897 - (TROCHIDAE)
- beluense, Somoholites beluense (Haniel, 1915 †) - (SOMOHOLITIDAE) (FOSSIL)
- belus, Conus belus Orbigny, 1852 † - (CONIDAE) (FOSSIL)
- belus, Crioceratites belus Dimitrova, 1967 † - syn of: Davouxiceras belus (Dimitrova, 1967 †) - (CRIOCERATITIDAE) (FOSSIL)
- belus, Davouxiceras belus (Dimitrova, 1967 †) - (EMERICICERATIDAE) (FOSSIL)
- belusi, Melanopsis belusi J.R. Bourguignat, 1884 - (MELANOPSIDAE)
- Belusiana, syn of: Genus Melanopsis A.E.J. Férussac, 1807 (MELANOPSIDAE)
- belutschiensis, Strombus belutschiensis J.C. Melvill, 1898 - syn of: Conomurex persicus (W.J. Swainson, 1821) - (STROMBIDAE)
- belvaceum, Xenophora belvaceum J.T. Kuroda, 1941 - syn of: Onustus exutus L.A. Reeve, 1842 - (XENOPHORIDAE)
- belviderei, Turritella belviderei (Cragin, 1897 †) - (TURRITELLIDAE) (FOSSIL)
- belviderense, Engonoceras belviderense Cragin, 1894 † - (ENGONOCERATIDAE) (FOSSIL)
- belviderensis, Cardita belviderensis Cragin, 1894 † - (CARDITIDAE) (FOSSIL)
- belviderensis, Gryphaea corrugata belviderensis J. Hill & Vaughan 1898 † - (GRYPHAEIDAE) (FOSSIL)
- belviderensis, Turbo belviderensis Stanton, 1947 † - (TURBINIDAE) (FOSSIL)
- belyaevi, Somoholites belyaevi Voronov, 1992 † - (SOMOHOLITIDAE) (FOSSIL)
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