- besaieri, Pachydiscus besaieri (Basse †) - (DESMOCERATIDAE) (FOSSIL)
- besairei, Hoplitoplacenticeras besairei M. Collignon, 1970 † - syn of: Hoplitoplacenticeras howarthi M. Collignon, 1970 † - (PLACENTICERATIDAE) (FOSSIL)
- besairiei, Metoicoceras besairiei M. Collignon, 1964 † - syn of: Mrhiliceras lapparenti (Pervinquière, 1907 †) - (ACANTHOCERATIDAE) (FOSSIL)
- besairiei, Latiala besairiei (M. Collignon, 1949 †) - (APORRHAIDAE) (FOSSIL)
- besairiei, Baculites besairiei M. Collignon, 1931 † - syn of: Baculites yokoyamai Tokunga & Shimizu, 1926 † - (BACULITIDAE) (FOSSIL)
- besairiei, Parabrancoceras besairiei (M. Collignon, 1949 †) - (BRANCOCERATIDAE) (FOSSIL)
- besairiei, Deiradoceras besairiei M. Collignon, 1950 † - syn of: Deiradoceras bispinosum (Spath, 1921 †) - (BRANCOCERATIDAE) (FOSSIL)
- besairiei, Brancoceras besairiei M. Collignon, 1949 † - syn of: Parabrancoceras besairiei (M. Collignon, 1949 †) - (BRANCOCERATIDAE) (FOSSIL)
- besairiei, Australiella besairiei M. Collignon, 1938 † - (COLLIGNONICERATIDAE) (FOSSIL)
- besairiei, Menuthiocrioceras besairiei (M. Collignon, 1949 †) - (CRIOCERATITIDAE) (FOSSIL)
- besairiei, Aioloceras besairiei M. Collignon, 1949 † - (DESMOCERATIDAE) (FOSSIL)
- besairiei, Cleoniceras besairiei (M. Collignon, 1949 †) - (HOPLITIDAE) (FOSSIL)
- besairiei, Myloceras besairiei M. Collignon, 1932 † - (LABECERATIDAE) (FOSSIL)
- besairiei, Xenodiscus besairiei Spinosa & al., 1975 † - (MEEKOCERATIDAE) (FOSSIL)
- besairiei, Kilianella besairiei Spath, 1939 † - (NEOCOMITIDAE) (FOSSIL)
- besairiei, Hypacanthoplites besairiei (Breistroffer in Besairie, 1936 †) - (PARAHOPLITIDAE) (FOSSIL)
- besairiei, Dichotomosphinctes besairiei (M. Collignon, 1959 †) - (PERISPHINCTIDAE) (FOSSIL)
- besairiei, Argonauticeras besairiei Anthula, 1899 † - syn of: Argonauticeras belliseptatum (Anthula, 1899 †) - (TETRAGONITIDAE) (FOSSIL)
- besairieri, Proeucalycoceras besairieri M. Collignon, 1937 † - (ACANTHOCERATIDAE) (FOSSIL)
- besairieri, Karapadites besairieri M. Collignon, 1954 † - (KOSSMATICERATIDAE) (FOSSIL)
- besakatrense, Goodhallites besakatrense M. Collignon, 1963 † - (BRANCOCERATIDAE) (FOSSIL)
- besalampiensis, Tropidophora besalampiensis E. Fischer-Piette, 1945 - (POMATIIDAE)
- beschterekensis, Leviathania beschterekensis (Golovinova, 1982 †) - (LEVIATHANIIDAE) (FOSSIL)
- besckeanus, Diplodon besckeanus (R.W. Dunker, 1848) - (HYRIIDAE)
- besckeanus, Unio besckeanus R.W. Dunker, 1848 - syn of: Diplodon besckeanus (R.W. Dunker, 1848) - (UNIONIDAE)
- besckeanus nordestinus, Diplodon besckeanus nordestinus F. Haas, 1938 - syn of: Rhipidodonta rhombea (J.B. von Spix & J.A. Wagner, 1827) - (HYRIIDAE)
- besckei, Helicina besckei L. Pfeiffer, 1848 - (HELICINIDAE)
- besckei, Happia besckei (R.W. Dunker, 1847) - (SCOLODONTIDAE)
- beseneckeri, Lanistes beseneckeri H. Schütt in H. Schütt & Besenecker, 1973 † - (AMPULLARIIDAE) (FOSSIL)
- Beshtashella, Genus Beshtashella Missarzhevsky & Mambetov, 1981 (HELCIONELLOIDEA (UNASSIGNED)) (FOSSIL)
- beskeanus, Diplodon beskeanus I. Lea, 1852 - syn of: Diplodon besckeanus (R.W. Dunker, 1848) - (HYRIIDAE)
- beskidensis, Mesohibolithes beskidensis (Uhlig, 1883 †) - (MESOHIBOLITHIDAE) (FOSSIL)
- beskydensis, Terrestrina beskydensis (Vasicek, 1972 †) - (ANAHAMULINIDAE) (FOSSIL)
- Besla, Subgenus Odostomia (Besla) W.H. Dall & P. Bartsch, 1904 (PYRAMIDELLIDAE)
- beslui, Crassicantharus beslui K. Fraussen & P. Stahlschmidt, 2015 - (BUCCINIDAE)
- besnardi, Warrana besnardi (M.A. Klappenbach, 1963) - (CONDYLOCARDIIDAE)
- besnardianus, Unio besnardianus G. Servain, 1888 - syn of: Unio arcuatus N.R. Bouchard-Chantereaux, 1838 - (UNIONIDAE)
- besnosovi, Ptychites besnosovi Shevyrev, 1995 † - (PTYCHITIDAE) (FOSSIL)
- bespiso, Zebina bespiso P. Lozouet, 2015 - (ZEBINIDAE)
- bessabisana, Tingitana bessabisana (P.M. Pallary, 1918) - (HELICIDAE)
- bessarabica, Theodoxus crenulatus bessarabica (Sinzow, 1899 †) - (NERITIDAE) (FOSSIL)
- bessarabicus, Theodoxus bessarabicus (Sinzov, 1896 †) - (NERITIDAE) (FOSSIL)
- bessei, Purpuriconus bessei (E.J. Petuch, 1992) - (CONIDAE)
- bessei, Polygona bessei E.J. Petuch, 2013 - syn of: Lamellilatirus sunderlandorum W.G. Lyons & M.A. Snyder, 2013 - (FASCIOLARIIDAE)
- bessei, Volvarina bessei F. Boyer, 2001 - (MARGINELLIDAE)
- bessei, Attiliosa bessei E.H. Vokes, 1999 - (MURICIDAE)
- bessei, Siratus bessei (R. Houart, 2000) - (MURICIDAE)
- bessei, Pusula bessei E.J. Petuch, 2013 - (TRIVIIDAE)
- bessei, Enaeta bessei E.J. Petuch, 2013 - (VOLUTIDAE)
- besselensis, Leptomphalus besselensis Dickins, 1963 † - (EUOMPHALIDAE) (FOSSIL)
- bessemerense, Hypseloconus bessemerense Ulrich & al., 1943 † - (HYPSELOCONIDAE) (FOSSIL)
- bessemerense, Shelbyoceras bessemerense Ulrich & al., 1943 † - syn of: Hypselentoma inornata (F.B. Meek, 1872 †) - (POLLICINIDAE) (FOSSIL)
- besseri, Pecten besseri Andrzejowski, 1830 † - (PECTINIDAE) (FOSSIL)
- besshoensis, Aelga besshoensis (M. Yokoyama, 1924 †) - (PERIPLOMATIDAE) (FOSSIL)
- besshoensis gakhensis, Periploma besshoensis gakhensis L. Krishtofovich, 1984 † - syn of: Aelga besshoensis (M. Yokoyama, 1924 †) - (PERIPLOMATIDAE) (FOSSIL)
- bessinus, Belemnites bessinus (A.V.M.D. D'Orbigny, 1842 †) - (BELEMNITELLIDAE) (FOSSIL)
- bessinus, Belemnopsis bessinus A.V.M.D. D'Orbigny, 1842 † - syn of: Belemnites bessinus (A.V.M.D. D'Orbigny, 1842 †) - (BELEMNOPSEIDAE) (FOSSIL)
- Bessomia, Subgenus Thyca (Bessomia) S.S. Berry, 1959 (EULIMIDAE)
- bessoni, Palaospeum bessoni (R. Bernasconi, 1999) - (MOITESSIERIIDAE)
- bessoni rebenacqensis, Palaospeum bessoni rebenacqensis H.D. Boeters & A. Bertrand, 2001 - (MOITESSIERIIDAE)
- bestia, Cryptocycloceras bestia (Shimansky, 1968 †) - (ORTHOCERIDA (UNASSIGNED)) (FOSSIL)
- beswicki, Cyclopilsbrya beswicki (E. Chitty, 1857) - (MEGALOMASTOMIDAE)
- beta, Austrofusus beta Finlay, 1926 † - (BUCCINIDAE) (FOSSIL)
- beta, Cidarina beta R.L. Squires & Saul, 2003 - (CALLIOTROPIDAE)
- beta, Etrema crassilabrum beta C. Hedley, 1922 - (CLATHURELLIDAE)
- beta, Cuthona beta (K. Baba & J.M. Abe, 1964) - (FIONIDAE)
- beta, Pleuropoma laciniosa beta H.A. Pilsbry & C.M. Cooke, 1908 - (HELICINIDAE)
- beta, Kurtzina beta (W.H. Dall, 1919) - (MANGELIIDAE)
- beta, Kurtziella beta (W.H. Dall, 1919) - syn of: Kurtzina beta (W.H. Dall, 1919) - (MANGELIIDAE)
- beta, Mysella beta A.W.B. Powell, 1937 - (MONTACUTIDAE)
- beta, Ocenebra beta W.H. Dall, 1919 - syn of: Ocinebrina foveolata (R.B. Hinds, 1844) - (MURICIDAE)
- beta, Pectinodonta beta B. A. Marshall, Puillandre, Lambourdière, Couloux & Samadi, 2016 - (PECTINODONTIDAE)
- beta, Eulimella beta C.R. Laws, 1938 † - (PYRAMIDELLIDAE) (FOSSIL)
- beta, Onoba beta (A.W.B. Powell, 1955) - (RISSOIDAE)
- beta, Lissotesta beta C.R. Laws, 1939 † - (SEGUENZIOIDEA (UNASSIGNED)) (FOSSIL)
- beta, Taia lanaonis beta (P. Bartsch, 1907) - (VIVIPARIDAE)
- beta, Conomitra vincentiana beta A.E.M. Cossmann, 1881 - (VOLUTOMITRIDAE)
- betae, Helix betae C.T. Trechmann, 1938 - syn of: Cornu aspersum (O.F. Müller, 1774) - (HELICIDAE)
- betafoense, Pisidium betafoense J.G.J. Kuiper, 1953 - (SPHAERIIDAE)
- betamajor, Caseolus betamajor H.W. Waldén, 1983 - (HYGROMIIDAE)
- betamponae, Gulella betamponae K.C. Emberton, 2002 - (STREPTAXIDAE)
- betancourtae, Gibberula betancourtae J.A. Ortea, 2015 - (CYSTISCIDAE)
- betarhipaeum, Phillipsoceras betarhipaeum Ruzhencev & Bogoslovskaya, 1978 † - (RETICULOCERATIDAE) (FOSSIL)
- betchogurense, Mimimitoceras betchogurense (Balashova, 1953 †) - (PRIONOCERATIDAE) (FOSSIL)
- betchogurense, Imitoceras betchogurense Balashova, 1953 † - syn of: Mimimitoceras betchogurense (Balashova, 1953 †) - (PRIONOCERATIDAE) (FOSSIL)
- betekhtinae, Gondwanaiadites betekhtinae Silantiev, Chandra & Urazaeva, 2015 † - (NAIADITIDAE) (FOSSIL)
- beteyensis, Cymatophos beteyensis (A.A. Olsson, 1922 †) - (NASSARIIDAE) (FOSSIL)
- beteyensis, Cyclinella beteyensis A.A. Olsson, 1922 † - (VENERIDAE) (FOSSIL)
- bethana, Pleuroxia bethana G.A. Solem, 1997 - (CAMAENIDAE)
- Bethanella, syn of: Genus Bathonella Yen, 1948 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- betheli, Helminthoglypta betheli (J. Henderson, 1914) - (HELMINTHOGLYPTIDAE)
- betheli, Oreohelix haydeni betheli H.A. Pilsbry & T.D.A. Cockerell, 1913 - (OREOHELICIDAE)
- bethencourtiana, Hemicycla bethencourtiana (R.J. Shuttleworth, 1852) - (HELICIDAE)
- bethleviensis, Colchidites bethleviensis Kakabadze, 1971 † - (ANCYLOCERATIDAE) (FOSSIL)
- Bethymalletia, syn of: Genus Malletiella Kuroda & Habe, 1971 (MALLETIIDAE) (FOSSIL)
- betilloni, Monophyllites betilloni Renz & Renz, 1948 † - syn of: Eophyllites dieneri (Arthaber, 1908 †) - (USSURITIDAE) (FOSSIL)
- betiokyense, Mantelliceras betiokyense M. Collignon, 1964 † - syn of: Mantelliceras mantelli (J. de C. Sowerby, 1814 †) - (ACANTHOCERATIDAE) (FOSSIL)
- betiokyense, Lytoceras betiokyense M. Collignon, 1962 † - (LYTOCERATIDAE) (FOSSIL)
- betsaratae, Kalidos betsaratae K.C. Emberton, 2007 - (ARIOPHANTIDAE)
- betsiakae, Parvedentulina betsiakae K.C. Emberton, 2002 - (STREPTAXIDAE)
- betsibokaensis, Zardinistylus betsibokaensis S. Kiel, 2006 † - (EULIMIDAE) (FOSSIL)
- betsileoensis, Tropidophora betsileoensis E.A. Smith, 1882 - syn of: Tropidophora betsiloensis E.A. Smith, 1882 - (POMATIIDAE)
- betsiloensis, Helicophanta betsiloensis (G.F. Angas, 1879) - (ACAVIDAE)
- betsiloensis, Tropidophora betsiloensis E.A. Smith, 1882 - (POMATIIDAE)
- betsyae, Corbula betsyae Marincovich Jr., 1993 † - (CORBULIDAE) (FOSSIL)
- betsyae, Hastula betsyae R.D. Burch, 1965 - syn of: Hastula penicillata (R.B. Hinds, 1844) - (TEREBRIDAE)
- bettae, Quickella bettae P.V. Gredler, 1856 - syn of: Catinella arenaria (N.R. Bouchard-Chantereaux, 1837) - (SUCCINEIDAE)
- Bettoniceras, Genus Bettoniceras Wiedenmayer, 1977 (DACTYLIOCERATIDAE) (FOSSIL)
- bettonii, Miltoceras bettonii (Fucini, 1908 †) - (COELOCERATIDAE) (FOSSIL)
- bettonii, Limax bettonii F. Sordelli, 1870 - syn of: Lehmannia marginata (O.F. Müller, 1774) - (LIMACIDAE)
- bettonii, Zaghouanites bettonii (Fucini, 1920 †) - (LYTOCERATIDAE) (FOSSIL)
- bettonii, Phricodoceras bettonii Geczy, 1976 † - (PHRICODOCERATIDAE) (FOSSIL)
- bettyensis, Cypraeovula algoensis bettyensis F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- betula, Nephrotheca betula Valent & al., 2012 † - (GRACILITHECIDAE) (FOSSIL)
- betuleti, Canarium betuleti (G.C. Kronenberg, 1991) - (STROMBIDAE)
- betulinoides, Conus betulinoides J.B.P.A. Lamarck, 1810 † - (CONIDAE) (FOSSIL)
- betulinoides girondicus, Conus betulinoides girondicus M.A. Peyrot, 1930 - (CONIDAE)
- betulinus, Dendroconus betulinus (C. Linnaeus, 1758) - (CONIDAE)
- betulinus, Sirenites betulinus (Dittmar, 1886 †) - (TRACHYCERATIDAE) (FOSSIL)
- betulinus alternans, Conus betulinus alternans P. Dautzenberg, 1937 - syn of: Dendroconus betulinus (C. Linnaeus, 1758) - (CONIDAE)
- betulinus continua, Dendroconus betulinus continua L. Bozzetti, 2010 - (CONIDAE)
- betulinus immaculata, Conus betulinus immaculata P. Dautzenberg, 1906 - syn of: Dendroconus betulinus (C. Linnaeus, 1758) - (CONIDAE)
- betulinus medusa, Conus betulinus medusa J.F. Gmelin, 1791 - syn of: Dendroconus betulinus (C. Linnaeus, 1758) - (CONIDAE)
- betulinus paucimaculata, Conus betulinus paucimaculata P. Dautzenberg, 1937 - syn of: Dendroconus betulinus (C. Linnaeus, 1758) - (CONIDAE)
- betulinus plurizonata, Conus betulinus plurizonata P. Dautzenberg, 1937 - syn of: Dendroconus betulinus (C. Linnaeus, 1758) - (CONIDAE)
- betulinus rubrolabiatus, Dendroconus betulinus rubrolabiatus L. Bozzetti, 2012 - (CONIDAE)
- betulinus rufoluteus, Conus betulinus rufoluteus L. Bozzetti & M. Ferrario, 2005 - syn of: Dendroconus betulinus (C. Linnaeus, 1758) - (CONIDAE)
- betulinus scripta, Conus betulinus scripta P. Dautzenberg, 1937 - syn of: Dendroconus betulinus (C. Linnaeus, 1758) - (CONIDAE)
- betulinus suratensis, Dendroconus betulinus suratensis C.H. Hwass, 1792 - syn of: Dendroconus suratensis (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- betulinus tabulata, Conus betulinus tabulata P. Dautzenberg, 1937 - syn of: Dendroconus betulinus (C. Linnaeus, 1758) - (CONIDAE)
- betulonensis, Amandana montserratensis betulonensis (A. Bofill, 1879) - (HYGROMIIDAE)
- betyae, Volvarina betyae J. Espinosa & J.A. Ortea, 1998 - (MARGINELLIDAE)
- Betyokites, Genus Betyokites (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- beudanti, Ammonites beudanti A. Brongniart, 1822 † - syn of: Beudanticeras beudanti (A. Brongniart, 1822 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- beudanti, Beudanticeras beudanti (A. Brongniart, 1822 †) - (DESMOCERATIDAE) (FOSSIL)
- beudanti, Pecten beudanti B. de Basterot, 1825 † - (PECTINIDAE) (FOSSIL)
- beudanti, Venus beudanti B.C.M. Payraudeau, 1826 - syn of: Polititapes aureus (J.F. Gmelin, 1791) - (VENERIDAE)
- beudanti mitchelli, Ammonites beudanti mitchelli Etheridge, 1872 † - syn of: Beudanticeras beudanti mitchelli (Etheridge, 1872 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- beudanti mitchelli, Beudanticeras beudanti mitchelli (Etheridge, 1872 †) - (DESMOCERATIDAE) (FOSSIL)
- beudanti pluriscissus, Pecten beudanti pluriscissus A.E.M. Cossmann & M.A. Peyrot, 1921 † - (PECTINIDAE) (FOSSIL)
- beudantiana, Planaxis beudantiana A. Risso, 1826 † - syn of: Tritia cuvierii (B.C.M. Payraudeau, 1826 †) - (PLANAXIDAE) (FOSSIL)
- Beudanticeras, Genus Beudanticeras Hitzell , 1902 (DESMOCERATIDAE) (FOSSIL)
- Beudantiella, Genus Beudantiella Breistroffer, 1947 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- beuelense, Tornoceras beuelense C.N. Lange, 1929 † - syn of: Carinoclymenia beuelensis (C.N. Lange, 1929 †) - (TORNOCERATIDAE) (FOSSIL)
- beuelensis, Carinoclymenia beuelensis (C.N. Lange, 1929 †) - (CARINOCLYMENIIDAE) (FOSSIL)
- Beuella, Genus Beuella Lesport, Cluzaud & Verhecken, 2015 (CANCELLARIIDAE) (FOSSIL)
- beui, Tritonoharpa beui A. Verhecken, 1997 - (CANCELLARIIDAE)
- beui, Unitas beui Renard, 1994 † - (CANCELLARIIDAE) (FOSSIL)
- beui, Casmaria beui J.A. Buijse, H. Dekker & G. Verbinnen, 2013 - (CASSIDAE)
- beui, Galeodea beui K. Kreipl & A. Alf, 2002 - syn of: Galeodea alcocki (E.A. Smith, 1906) - (CASSIDAE)
- beui, Orthosurcula beui P.A. Maxwell, 1992 † - (COCHLESPIRIDAE) (FOSSIL)
- beui, Lepidozona beui H.B. O'Neill, 1987 - (ISCHNOCHITONIDAE)
- beui, Neilo beui J.D. Stilwell & Zinsmeister, 1992 † - (MALLETIIDAE) (FOSSIL)
- beui, Mitra beui Thach, 2016 - (MITRIDAE)
- beui, Xymene beui C. Nielsen, 2003 † - (MURICIDAE) (FOSSIL)
- beui, Personopsis beui (P.A. Maxwell, 1968 †) - (PERSONIDAE) (FOSSIL)
- beui, Distorsionella beui F. Riedel, 2000 - syn of: Distorsionella lewisi (A.G. Beu, 1978) - (PERSONIDAE)
- beui, Paracomitas beui (P.A. Maxwell, 1988 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- beui, Septa beui F. García-Talavera, 1985 - syn of: Septa occidentalis beui F. García-Talavera, 1985 - (RANELLIDAE)
- beui, Septa occidentalis beui F. García-Talavera, 1985 - (RANELLIDAE)
- beui, Thyasira beui K. Amano, C. Little & al., 2015 - (THYASIRIDAE)
- beui, Malea beui B.M. Landau & F. Da Silva, 2010 † - (TONNIDAE) (FOSSIL)
- beureumensis, Nassarius beureumensis C.H. Oostingh, 1933 † - (NASSARIIDAE) (FOSSIL)
- Beurlenella, Genus Beurlenella Anelli & al., 2010 (MEGADESMIDAE) (FOSSIL)
- beurleni, Peronoceras beurleni Monestier, 1931 † - (DACTYLIOCERATIDAE) (FOSSIL)
- beurleni, Craginia beurleni Pereira, Cassab & Barreto, 2016 † - (TURRITELLIDAE) (FOSSIL)
- beushauseni, Palaeoneilo beushauseni Kegel, 1913 † - (MALLETIIDAE) (FOSSIL)
- beushauseni, Auriptygma beushauseni J. Perner 1903 † - (MEEKOSPIRIDAE) (FOSSIL)
- beushauseni, Parodiceras beushauseni Wedekind, 1918 † - syn of: Holzapfeloceras beushauseni (Wedekind, 1918 †) - (PARODOCERATIDAE) (FOSSIL)
- beushauseni, Holzapfeloceras beushauseni (Wedekind, 1918 †) - (SOBOLEWIIDAE) (FOSSIL)
- beushauseni, Decorochilina beushauseni (A.H. Clarke, 1907 †) - (SOLENISCIDAE) (FOSSIL)
- beushauseni, Shaninopsis beushauseni Isberg, 1934 † - (VLASTIDAE) (FOSSIL)
- Beushausenia, syn of: Genus Parallelodon Meek & Worthen, 1866 (PARALLELODONTIDAE) (FOSSIL)
- beuteli, Cochlespira beuteli A.W.B. Powell, 1969 - (COCHLESPIRIDAE)
- beutschlii, Paraoncidium beutschlii Stantschinsky, 1907 - syn of: Paraoncidium buetschlii (Stantschinsky, 1907) - (ONCHIDIIDAE)
- Bevahites, syn of: Genus Paratexanites Collignon, 1969 (COLLIGNONICERATIDAE) (FOSSIL)
- bevani, Trocholitoceras bevani Ulrich & al., 1942 † - (TROCHOLITIDAE) (FOSSIL)
- bevdeynzerae, Cochlespira bevdeynzerae E.F. Garcia, 2010 - (COCHLESPIRIDAE)
- bevdeynzerae, Epitonium bevdeynzerae E.F. Garcia, 2001 - (EPITONIIDAE)
- bevdeynzerae, Volvarina bevdeynzerae T. Cossignani, 2005 - (MARGINELLIDAE)
- bevdeynzeri, Epitonium bevdeynzeri E.F. Garcia, 2001 - syn of: Epitonium bevdeynzerae E.F. Garcia, 2001 - (EPITONIIDAE)
- bevenoti, Agriolimax bevenoti W.E. Collinge, 1897 - (AGRIOLIMACIDAE)
- beverlii, Cryptonatica beverlii W.E. Leach, 1819 - syn of: Cryptonatica affinis (J.F. Gmelin, 1791) - (NATICIDAE)
- beverlyae, Vexillum beverlyae H. Turner & R. Salisbury, 1999 - (COSTELLARIIDAE)
- beviae, Cyclotopsis beviae (E. Fischer-Piette, Ch.P. Blanc, F. Blanc & F. Salvat, 1993) - (POMATIIDAE)
- bewleyi, Oliva bewleyi F.P. Marrat, 1870 - (OLIVIDAE)
- bexarense, Striaticostatum bexarense (L.W. Stephenson, 1941 †) - (EPITONIIDAE) (FOSSIL)
- bexarensis, Anchura bexarensis L.W. Stephenson, 1941 † - (APORRHAIDAE) (FOSSIL)
- bexhavenensis, Semeloidea bexhavenensis Saether, Sha Jingeng, C. Little & K.A. Campbell, 2016 † - (LASAEIDAE) (FOSSIL)
- bexleyana, Turbonilla bexleyana C.R. Laws, 1937 † - (PYRAMIDELLIDAE) (FOSSIL)
- beycola, Sprattia beycola H. Nordsieck, 1994 - (CLAUSILIIDAE)
- beycola medoroides, Sprattia beycola medoroides H. Nordsieck, 2004 - (CLAUSILIIDAE)
- beydaglariensis, Zonites beydaglariensis F. Riedel, 1987 - (ZONITIDAE)
- beyeri, Mitroborsonia beyeri H.J. Anderson, 1964 † - (BORSONIIDAE) (FOSSIL)
- beyeri, Omphalocirrus beyeri Heidelberger, 2001 † - (OMPHALOCIRRIDAE) (FOSSIL)
- beyerleana, Volvarina beyerleana Auct. non A.C. Bernardi, 1853 - syn of: Volvarina taeniata (G.B. I Sowerby, 1846) - (MARGINELLIDAE)
- beyerleana, Volvarina avena beyerleana (M. Bernardi, 1883) - (MARGINELLIDAE)
- beyerleanus, Drymaeus beyerleanus L.H. Hupé, 1857 - (BULIMULIDAE)
- beyerleanus mitchelli, Drymaeus beyerleanus mitchelli W.H. Dall, 1912 - (BULIMULIDAE)
- beyerlei, Neocancilla beyerlei F.P. Jousseaume, 1894 - syn of: Neocancilla circula (L.C. Kiener, 1838) - (MITRIDAE)
- beyersi, Alvania beyersi (K.H.J. Thiele, 1925) - (RISSOIDAE)
- beyersi, Linemera beyersi K.H.J. Thiele, 1925 - syn of: Alvania beyersi (K.H.J. Thiele, 1925) - (RISSOIDAE)
- beyrichi, Epadrianites beyrichi (Haniel, 1915 †) - (ADRIANITIDAE) (FOSSIL)
- beyrichi, Cancellaria beyrichi C. Mayer, 1858 † - (CANCELLARIIDAE) (FOSSIL)
- beyrichi, Sconsia beyrichi O.G. Michelotti, 1861 † - (CASSIDAE) (FOSSIL)
- beyrichi, Cladiscites beyrichi Welter, 1914 † - (CLADISCITIDAE) (FOSSIL)
- beyrichi, Turricula beyrichi (R.A. Philippi, 1846 †) - (CLAVATULIDAE) (FOSSIL)
- beyrichi, Conus beyrichi A. von Koenen, 1865 † - (CONIDAE) (FOSSIL)
- beyrichi, Eocypraea beyrichi (A. von Koenen, 1867 †) - (EOCYPRAEIDAE) (FOSSIL)
- beyrichi, Pseudolioceras beyrichi Schloenbach, 1865 † - (HILDOCERATIDAE) (FOSSIL)
- beyrichi, Propinacoceras beyrichi (C. Gemmellaro, 1887 †) - (MEDLICOTTIIDAE) (FOSSIL)
- beyrichi, Haustellum beyrichi A. von Koenen, 1889 † - (MURICIDAE) (FOSSIL)
- beyrichi, Nassarius beyrichi (C. Mayer, 1873 †) - (NASSARIIDAE) (FOSSIL)
- beyrichi, Nuculopsis beyrichi (K.C. Schauroth, 1854 †) - (NUCULIDAE) (FOSSIL)
- beyrichi, Pereiraea beyrichi P. Oppenheim, 1906 † - (PEREIRAEIDAE) (FOSSIL)
- beyrichi, Tylotoechus beyrichi (Holzapfel 1888) - (PUPINIDAE)
- beyrichi, Natalina beyrichi (E.C. Von Martens, 1890) - (RHYTIDIDAE)
- beyrichi, Lycettitrigonia beyrichi (Krumbeck, 1906 †) - (RUTITRIGONIIDAE) (FOSSIL)
- beyrichi, Rhynchorthoceras beyrichi Remele, 1882 † - (SINOCERATIDAE) (FOSSIL)
- beyrichi, Tellina beyrichi G.P. Deshayes, 1857 † - (TELLINIDAE) (FOSSIL)
- beyrichi, Hastula beyrichi (C.G. Semper, 1861 †) - (TEREBRIDAE) (FOSSIL)
- beyrichi, Turritella beyrichi A. von Koenen, 1891 † - (TURRITELLIDAE) (FOSSIL)
- beyrichi, Callista beyrichi (C.G. Semper, 1861 †) - (VENERIDAE) (FOSSIL)
- beyrichi percarinata, Turritella beyrichi percarinata T. Roth, 1914 † - (TURRITELLIDAE) (FOSSIL)
- Beyrichidiscus, Genus Beyrichidiscus Linsley & Peel, 1983 (BELLEROPHONTIDAE) (FOSSIL)
- beyrichii, Karsteniceras beyrichii (D.L.G. Karsten, 1858 †) - (LEPTOCERATOIDIDAE) (FOSSIL)
- beyrichii, Parallelodon beyrichii (Strombeck, 1849 †) - (PARALLELODONTIDAE) (FOSSIL)
- beyrichii, Mikadotrochus beyrichii (F.M. Hilgendorf, 1877) - (PLEUROTOMARIIDAE)
- beyrichii, Leptoceras beyrichii D.L.G. Karsten, 1858 † - syn of: Karsteniceras beyrichii (D.L.G. Karsten, 1858 †) - (PROTANCYLOCERATIDAE) (FOSSIL)
- Beyrichites, Genus Beyrichites Waagen , 1895 (BEYRICHITIDAE) (FOSSIL)
- BEYRICHITIDAE Spath, 1934 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-CERATITOIDEA [Superfamily]) (FOSSIL)
- beyrichitoides, Prohungarites beyrichitoides Guex & al., 2005 † - (SIBIRITIDAE) (FOSSIL)
- Beyrichoceras, Genus Beyrichoceras Foord , 1903 (MAXIGONIATITIDAE) (FOSSIL)
- Beyrichoceratoides, Genus Beyrichoceratoides Bisat , 1924 (MUENSTEROCERATIDAE) (FOSSIL)
- beyrichoide, Karsteniceras beyrichoide Vasicek & Wiedmann, 1994 † - (LEPTOCERATOIDIDAE) (FOSSIL)
- beyschlageri, Goodallia beyschlageri F. Kautsky, 1925 - (ASTARTIDAE)
- beyschlagi, Digitaria beyschlagi F. Kautsky, 1925 † - (ASTARTIDAE) (FOSSIL)
- beyschlagi, Indotrigonia beyschlagi (G. Müller, 1900) † - (TRIGONIIDAE) (FOSSIL)
- beysehirana, Falsipyrgula beysehirana (H. Schütt, 1965) - (HYDROBIIDAE)
- beysehirensis, Valvata beysehirensis P. Glöer & A. Girod, 2013 † - (VALVATIDAE) (FOSSIL)
- bezanconi, Acteon bezanconi A.E.M. Cossmann, 1889 † - (ACTEONIDAE) (FOSSIL)
- bezanconi, Arca bezanconi A.E.M. Cossmann, 1887 † - (ARCIDAE) (FOSSIL)
- bezanconi, Strebloceras bezanconi (Cossmann, 1888) † - (CAECIDAE) (FOSSIL)
- bezanconi, Calliostoma bezanconi (Vasseur, 1881 †) - (CALLIOSTOMATIDAE) (FOSSIL)
- bezanconi, Pleuromeris bezanconi A.E.M. Cossmann, 1887 † - (CARDITIDAE) (FOSSIL)
- bezanconi, Chama bezanconi A.E.M. Cossmann, 1887 † - (CHAMIDAE) (FOSSIL)
- bezanconi, Donax bezanconi A.E.M. Cossmann, 1883 † - (DONACIDAE) (FOSSIL)
- bezanconi, Scalaria bezanconi A.E.M. Cossmann & A. Lambert, 1884 † - (EPITONIIDAE) (FOSSIL)
- bezanconi, Euthriofusus bezanconi (A.E.M. Cossmann, 1889 †) - (FASCIOLARIIDAE) (FOSSIL)
- bezanconi, Fissurella bezanconi Vasseur, 1881 † - (FISSURELLIDAE) (FOSSIL)
- bezanconi, Mathilda bezanconi M.E.A. de Boury, 1883 † - (MATHILDIDAE) (FOSSIL)
- bezanconi, Ebala bezanconi (A.E.M. Cossmann & A. Lambert, 1884 †) - (MURCHISONELLIDAE) (FOSSIL)
- bezanconi, Murchisonella bezanconi A.E.M. Cossmann, 1892 † - (MURCHISONELLIDAE) (FOSSIL)
- bezanconi, Orthochilus bezanconi (de Raincourt, 1870) † - (PLANAXIDAE) (FOSSIL)
- bezanconi, Sportella bezanconi A.E.M. Cossmann, 1882 † - (SPORTELLIDAE) (FOSSIL)
- bezanconi, Tellina bezanconi Vasseur, 1881 † - (TELLINIDAE) (FOSSIL)
- bezanconi, Bayania bezanconi (Vasseur, 1881 †) - (THIARIDAE) (FOSSIL)
- bezanconi, Vermicularia suessoniensis bezanconi A.E.M. Cossmann, 1896 † - (TURRITELLIDAE) (FOSSIL)
- bezanconi, Valvata bezanconi Laubrière & L.L.H. Carez, 1880 † - (VALVATIDAE) (FOSSIL)
- Bezanconia, Genus Bezanconia C.Ι. Bayle in P. Fischer, 1884 (CERITHIIDAE) (FOSSIL)
- bezoar, Buccinum bezoar C. Linnaeus, 1767 - syn of: Rapana bezoar (C. Linnaeus, 1767) - (BUCCINIDAE)
- bezoar, Phalium bezoar J.E. Gray, 1839 - syn of: Phalium glaucum (C. Linnaeus, 1758) - (CASSIDAE)
- bezoar, Rapana bezoar (C. Linnaeus, 1767) - (MURICIDAE)
- bezoar thomasiana, Rapana bezoar thomasiana J.C.H. Crosse, 1861 - syn of: Rapana venosa (A. Valenciennes, 1846) - (MURICIDAE)
- Bezoardica, syn of: Genus Phalium J.H.F. Link, 1807 (CASSIDAE)
- Bezoardicella, syn of: Genus Phalium J.H.F. Link, 1807 (CASSIDAE)
- bezoyensis, Nucleolaria bezoyensis L. Dolin & P. Lozouet, 2004 † - (CYPRAEIDAE) (FOSSIL)
- bezuariana, Corbicula bezuariana P.M. Heude, 1887 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- bhagothorense, Nemocardium bhagothorense E.W. Vredenburg, 1928 † - (CARDIIDAE) (FOSSIL)
- bhagothorense, Cerithium bhagothorense E.W. Vredenburg, 1928 † - (CERITHIIDAE) (FOSSIL)
- bhagothorensis, Conus bhagothorensis E.W. Vredenburg, 1925 † - (CONIDAE) (FOSSIL)
- bhagothorensis, Conorbis bhagothorensis E.W. Vredenburg, 1925 † - (CONORBIDAE) (FOSSIL)
- bhagothorensis, Hemipleurotoma bhagothorensis E.W. Vredenburg, 1925 † - (TURRIDAE) (FOSSIL)
- bhagothorensis, Turritella bhagothorensis E.W. Vredenburg, 1928 † - (TURRITELLIDAE) (FOSSIL)
- bhaktabahadhuri, Bukowskiites bhaktabahadhuri C.O. Waterhouse, 2002 † - (CERATITIDA (UNASSIGNED)) (FOSSIL)
- bhamoensis, Parreysia bhamoensis W. Theobald, 1873 - (UNIONIDAE)
- bhargavai, Flemingites bhargavai Brühwiler & al., 2010 † - (FLEMINGITIDAE) (FOSSIL)
- bhavani, Kossmaticeras bhavani F. Stoliczka † - (KOSSMATICERATIDAE) (FOSSIL)
- bhavaniformis, Gunnarites bhavaniformis Kilian & Reboul, 1909 † - (KOSSMATICERATIDAE) (FOSSIL)
- bhikajeei, Chrystella bhikajeei R.G. Moolenbeek & Mussai, 2010 - (PICKWORTHIIDAE)
- bhima, Bhimaites bhima F. Stoliczka, 1865 † - (DESMOCERATIDAE) (FOSSIL)
- Bhimaites, Subgenus Puzosia (Bhimaites) Stoliczka, 1865 (DESMOCERATIDAE) (FOSSIL)
- bhutanensis, Phaedusa bhutanensis H. Nordsieck, 1974 - (CLAUSILIIDAE)
- bia, Eumetula bia P. Bartsch, 1915 - (NEWTONIELLIDAE)
- biacta, Cernuella biacta C.M.F. Ancey, 1887 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- biacuminata, Lymnaea biacuminata T.N. Annandale & Surya Rao, 1925 - (LYMNAEIDAE)
- biacuminata, Remnita biacuminata (B. Wade, 1926 †) - (TURRIDAE) (FOSSIL)
- biacuta, Praerosaria biacuta L. Dolin & P. Lozouet, 2004 † - (CYPRAEIDAE) (FOSSIL)
- biakensis, Callistochiton biakensis P. Kaas & R.A. Van Belle, 1994 - (CALLISTOPLACIDAE)
- Bialasmus, Genus Bialasmus M.L. Jaume & C. de la Torre, 1972 (UROCOPTIDAE)
- bialata, Pegophysema bialata (H.A. Pilsbry, 1895) - (LUCINIDAE)
- bialata, Loripes bialata H.A. Pilsbry, 1895 - syn of: Pegophysema bialata (H.A. Pilsbry, 1895) - (LUCINIDAE)
- bialata, Symphynota bialata I. Lea, 1829 - syn of: Cristaria plicata (W.E. Leach, 1815) - (UNIONIDAE)
- bialatum, Epitonium bialatum W.H. Dall, 1917 - syn of: Epitonium replicatum (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- bialatus, Diempterus bialatus (L.É.S. Piette, 1856 †) - (SPINILOMATIDAE) (FOSSIL)
- bialatus, Hyriopsis bialatus C.T. Simpson, 1900 - (UNIONIDAE)
- biali, Basterotia biali A.E.M. Cossmann & M.A. Peyrot, 1909 † - (BASTEROTIIDAE) (FOSSIL)
- biali, Laeviphitus biali (M.E.A. de Boury) - (ELACHISINIDAE)
- biali, Chione biali A.E.M. Cossmann & M.A. Peyrot, 1910 † - (VENERIDAE) (FOSSIL)
- bialozurkensis, Hydrobia bialozurkensis (Du Bois de Montpéreux, 1831 †) - (HYDROBIIDAE) (FOSSIL)
- bialveozona, Worthenia bialveozona Batten, 1989 † - (LOPHOSPIRIDAE) (FOSSIL)
- bianca, Charopa bianca F.W. Hutton, 1883 - (CHAROPIDAE)
- biancae, Darioconus biancae (L. Bozzetti, 2010) - (CONIDAE)
- biancae, Darioconus biancae L. Bozzetti, 2010 - syn of: Darioconus biancae (L. Bozzetti, 2010) - (CONIDAE)
- biancae, Clavus biancae (L. Bozzetti, 2008) - (DRILLIIDAE)
- biancae, Tylotiella biancae L. Bozzetti, 2008 - syn of: Clavus biancae (L. Bozzetti, 2008) - (DRILLIIDAE)
- bianchii, Plagiostoma bianchii Jaboli, 1959 † - syn of: Plagiostoma harronis Dacque, 1905 † - (LIMIDAE) (FOSSIL)
- bianconii, Loligo bianconii J.B. Vérany, 1851 - syn of: Onychoteuthis banksii (W.E. Leach, 1817) - (LOLIGINIDAE)
- biangula, Arca biangula J.B.P.A. Lamarck, 1805 † - (ARCIDAE) (FOSSIL)
- biangulare, Gzheloceras biangulare Ruzhentsev & Shimanskiy, 1954 † - (GZHELOCERATIDAE) (FOSSIL)
- Biangularia, Genus Biangularia Spitz, 1907 (MURCHISONIIDAE) (FOSSIL)
- biangularis, Tellina biangularis G.P. Deshayes, 1825 † - (TELLINIDAE) (FOSSIL)
- biangularis, Unio biangularis I. Lea, 1840 - syn of: Actinonaias pectorosa (T.A. Conrad, 1834) - (UNIONIDAE)
- biangulata, Pseudanchura biangulata (Anderson, 1938 †) - (APORRHAIDAE) (FOSSIL)
- biangulata, Aporrhais biangulata (F.B. Meek & Hayden, 1856 †) - (APORRHAIDAE) (FOSSIL)
- biangulata, Architectonica biangulata (J.E. Gray, 1826) - (ARCHITECTONICIDAE)
- biangulata, Anadara biangulata (G.B. I Sowerby, 1833) - (ARCIDAE)
- biangulata, Vitrinula biangulata (L. Pfeiffer) - (ARIOPHANTIDAE)
- biangulata, Garrettia biangulata (W.H. Pease, 1865) - (ASSIMINEIDAE)
- biangulata, Diadema biangulata W.H. Pease, 1865 - syn of: Garrettia biangulata (W.H. Pease, 1865) - (ASSIMINEIDAE)
- biangulata, Americardia biangulata (W.J. Broderip & G.B. I Sowerby, 1829) - (CARDIIDAE)
- biangulata, Trigoniocardia biangulata W.J. Broderip & G.B. I Sowerby, 1829 - syn of: Americardia biangulata (W.J. Broderip & G.B. I Sowerby, 1829) - (CARDIIDAE)
- biangulata, Cuneocorbula biangulata (G.P. Deshayes, 1860 †) - (CORBULIDAE) (FOSSIL)
- biangulata, Galatea biangulata G.B. II Sowerby, 1868 - (DONACIDAE)
- biangulata, Hemimarginula biangulata (G.B. III Sowerby, 1901) - (FISSURELLIDAE)
- biangulata, Emarginula biangulata G.B. III Sowerby, 1901 - syn of: Hemimarginula biangulata (G.B. III Sowerby, 1901) - (FISSURELLIDAE)
- biangulata, Helicina biangulata L. Pfeiffer, 1850 - (HELICINIDAE)
- biangulata, Georissa biangulata J.F. Quadras & O.F. von Möllendorff, 1894 - (HYDROCENIDAE)
- biangulata, Echinolittorina biangulata (E.C. Von Martens, 1897) - (LITTORINIDAE)
- biangulata, Gyrodes biangulata (Shumard, 1860 †) - (NATICIDAE) (FOSSIL)
- biangulata, Nuculana biangulata Easton, 1962 † - (NUCULANIDAE) (FOSSIL)
- biangulata, Neithea biangulata Imlay, 1940 † - (PECTINIDAE) (FOSSIL)
- biangulata, Distorsio biangulata A.G. Beu, 2010 † - (PERSONIDAE) (FOSSIL)
- biangulata, Odostomia biangulata C.R. Laws, 1939 † - (PYRAMIDELLIDAE) (FOSSIL)
- biangulata, Turbonilla biangulata (E. Robba, S.I. Di Geronimo, N. Chaimanee & al., 2004) - (PYRAMIDELLIDAE)
- biangulata, Chemnitzia biangulata E. Robba, S.I. Di Geronimo, N. Chaimanee & al., 2004 - syn of: Turbonilla biangulata (E. Robba, S.I. Di Geronimo, N. Chaimanee & al., 2004) - (PYRAMIDELLIDAE)
- biangulata, Galeodinopsis biangulata (G.P. Deshayes, 1861 †) - (RISSOIDAE) (FOSSIL)
- biangulata, Onoba biangulata (C.R. Laws, 1936 †) - (RISSOIDAE) (FOSSIL)
- biangulata, Scrobicularia biangulata P.P. Carpenter, 1856 - syn of: Psammotreta obesa (G.P. Deshayes, 1855) - (SCROBICULARIIDAE)
- biangulata, Trenchia biangulata F. Rubio & E. Rolán, 2013 - (SEGUENZIOIDEA (UNASSIGNED))
- biangulata, Apolymetis biangulata P.P. Carpenter - (TELLINIDAE)
- biangulata, Gibbula biangulata (K.E.I. von Eichwald, 1830 †) - (TROCHIDAE) (FOSSIL)
- biangulata, Trochonema biangulata (J.W. Hall, 1847 †) - (TROCHONEMATIDAE) (FOSSIL)
- biangulata, Pomaulax biangulata W.M. Gabb, 1866 - (TURBINIDAE)
- biangulata, Tropidomarga biangulata A.W.B. Powell, 1951 - (TURBINIDAE)
- biangulata, Turritella biangulata H.M.D. de Blainville, 1825 - syn of: Turritella bicingulata J.B.P.A. Lamarck, 1822 - (TURRITELLIDAE)
- biangulata, Quadrula biangulata J.P.E. Morrison, 1942 - syn of: Theliderma intermedia (T.A. Conrad, 1836) - (UNIONIDAE)
- biangulata, Anodon biangulata G.B. Sowerby, 1869 - syn of: Gonidea angulata (I. Lea, 1838) - (UNIONIDAE)
- biangulatum, Cyclostoma biangulatum W.H. Pease, 1865 - syn of: Garrettia biangulata (W.H. Pease, 1865) - (POMATIIDAE)
- biangulatus, Cyclotus biangulatus E.C. Von Martens, 1891 - (CYCLOPHORIDAE)
- biangulatus, Fusus biangulatus G.P. Deshayes, 1830 - syn of: Fusinus polygonoides (J.B.P.A. Lamarck, 1822) - (FASCIOLARIIDAE)
- biangulatus, Somatogyrus biangulatus B. Walker, 1906 - (LITHOGLYPHIDAE)
- biangulatus, Neritopsis biangulatus Shumard, 1860 † - syn of: Gyrodes biangulata (Shumard, 1860 †) - (NERITOPSIDAE) (FOSSIL)
- Biangulatus, Subgenus Choanomphalus (Biangulatus) W. Dybowski & J.G. Grochmalicki, 1925 (PLANORBIDAE)
- biangulatus, Planorbis biangulatus G.B. Sowerby, 1878 - syn of: Biomphalaria tenagophila (A.V.M.D. D'Orbigny, 1835) - (PLANORBIDAE)
- biangulatus, Unio biangulatus I. Lea, 1842 - syn of: Actinonaias pectorosa (T.A. Conrad, 1834) - (UNIONIDAE)
- Biangulaxis, Subgenus Spiraxis (Biangulaxis) H.A. Pilsbry, 1907 (SPIRAXIDAE)
- biangulina, Arca biangulina A.V.M.D. D'Orbigny, 1852 † - (ARCIDAE) (FOSSIL)
- biangulosa, Minolia biangulosa A. Adams, 1854 - syn of: Pseudominolia biangulosa (A. Adams, 1854) - (SOLARIELLIDAE)
- biangulosa, Pseudominolia biangulosa (A. Adams, 1854) - (TROCHIDAE)
- biangulosus, Margarites biangulosus A. Adams, 1854 - syn of: Pseudominolia biangulosa (A. Adams, 1854) - (MARGARITIDAE)
- biannulata, Volvarina biannulata auct. - syn of: Volvarina bilineata (C.F.F. von Krauss, 1848) - (MARGINELLIDAE)
- biaperta, Hiatella biaperta F.M. Daudin, 1801 - syn of: Hiatella arctica (C. Linnaeus, 1767) - (HIATELLIDAE)
- Biaphleus, syn of: Genus Hiatella L.A.G. d'A. Bosc, 1801 (HIATELLIDAE)
- Biapholius, syn of: Genus Hiatella L.A.G. d'A. Bosc, 1801 (HIATELLIDAE)
- Biapholus, syn of: Genus Hiatella L.A.G. d'A. Bosc, 1801 (HIATELLIDAE)
- biarata, Mitrella biarata A.E.M. Cossmann, 1886 † - (COLUMBELLIDAE) (FOSSIL)
- biarmata, Agardhiella biarmata (O. Böttger, 1880) - (ARGNIDAE)
- biarmata, Calliotropis biarmata G.G. Münster, 1844 † - syn of: Biarmatoidella lorioli (Greppin, 1898 †) - (CALLIOTROPIDAE) (FOSSIL)
- biarmata, Chaetopleura biarmata A. de Rochebrune, 1882 - (CHAETOPLEURIDAE)
- biarmata, Biarmatoidella biarmata (Münster, 1844 †) - (EUCYCLIDAE) (FOSSIL)
- biarmata, Biarmatoidella biarmata G.G. Münster, 1844 † - syn of: Biarmatoidella lorioli (Greppin, 1898 †) - (EUCYCLIDAE) (FOSSIL)
- biarmata, Riselloidea biarmata C. Bosch, 1998 † - syn of: Biarmatoidella lorioli (Greppin, 1898 †) - (EUCYCLIDAE) (FOSSIL)
- biarmata, Monodonta biarmata G.G. Münster, 1867 † - syn of: Biarmatoidella lorioli (Greppin, 1898 †) - (TROCHIDAE) (FOSSIL)
- Biarmatoidella, Genus Biarmatoidella Grόndel, 2003 (EUCYCLIDAE) (FOSSIL)
- biarmatum, Euaspidoceras biarmatum (Zieten, 1833 †) - (ASPIDOCERATIDAE) (FOSSIL)
- biarmatum, Casmaria biarmatum L.W. Dillwyn, 1817 - syn of: Casmaria ponderosa (J.F. Gmelin, 1791) - (CASSIDAE)
- biarmatus, Euomphalus biarmatus Klipstein, 1843 † - (EUOMPHALIDAE) (FOSSIL)
- biarmatus, Trochus biarmatus G.G. Münster, 1844 † - syn of: Biarmatoidella lorioli (Greppin, 1898 †) - (TROCHIDAE) (FOSSIL)
- Biarmeaspira, Genus Biarmeaspira Mazaev, 2006 (PHYMATOPLEURIDAE) (FOSSIL)
- biarmica, Murchisonia biarmica Kutorga, 1842 † - (MURCHISONIIDAE) (FOSSIL)
- biarmica, Janeia biarmica (de Verneuil, 1845 †) - (SOLEMYIDAE) (FOSSIL)
- Biarmiceras, Genus Biarmiceras Leonova & al., 2005 (MONGOLOCERATIDAE) (FOSSIL)
- biarmicus, Parapronorites biarmicus Shulga-Nesterenko, 1916 † - syn of: Neopronorites permicus (Tchernow, 1907 †) - (PRONORITIDAE) (FOSSIL)
- biarritzensis, Beloptera biarritzensis de Bouillé, 1876 † - (BELOPTERIIDAE) (FOSSIL)
- biarritzensis, Chlamys biarritzensis d'Archiac, 1846 † - (PECTINIDAE) (FOSSIL)
- biasalense, Ptychoceras biasalense Andjelkovic † - syn of: Euptychoceras subundulatum (A.V.M.D. D'Orbigny, 1850 †) - (PTYCHOCERATIDAE) (FOSSIL)
- biasoletti, Trochus biasoletti R.A. Philippi, 1836 - syn of: Gibbula albida (J.F. Gmelin, 1791) - (TROCHIDAE)
- biasolettiana, Semirugata bilabiata biasolettiana (J.G.F. de Charpentier, 1852) - (CLAUSILIIDAE)
- biasolettiana, Ovatella biasolettiana H.C. Küster, 1844 - syn of: Myosotella myosotis (J.P.R. Draparnaud, 1801) - (ELLOBIIDAE)
- biassalense, Karakaschiceras biassalense (Karakaschi, 1889 †) - (NEOCOMITIDAE) (FOSSIL)
- biassalensis, Sosiocrimites biassalensis (Toumanskaya, 1931 †) - (ADRIANITIDAE) (FOSSIL)
- biassalensis, Pseudothurmannia biassalensis Dimtrova, 1967 † - (CRIOCERATITIDAE) (FOSSIL)
- biaulax, Ataxocerithium biaulax Darragh, 2017 † - (NEWTONIELLIDAE) (FOSSIL)
- biauriculata, Pycnodonte biauriculata (J.B.P.A. Lamarck, 1819 †) - (GRYPHAEIDAE) (FOSSIL)
- Biauris, Genus Biauris M. Cossmann, 1921 (GRYPHAEIDAE) (FOSSIL)
- Biaurus, syn of: Genus Biauris M. Cossmann, 1921 (GRYPHAEIDAE) (FOSSIL)
- biayense, Farcimen wrighti biayense C. de la Torre & P. Bartsch, 1942 - (MEGALOMASTOMIDAE)
- biayensis, Bermudezia biayensis (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- biayensis, Heterocoptis biayensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- bibaca, Pupilla bibaca M. von Kimakowicz, 1890 - syn of: Pupilla triplicata (S.E. Studer, 1820) - (PUPILLIDAE)
- bibalteata, Volvarina bibalteata L.A. Reeve, 1865 - syn of: Volvarina gracilis (C.B. Adams, 1851) - (MARGINELLIDAE)
- bibalteata, Hyalina bibalteata L.A. Reeve, 1865 - syn of: Volvarina gracilis (C.B. Adams, 1851) - (MARGINELLIDAE)
- bibalteata, Natica bibalteata G.B. III Sowerby, 1914 - (NATICIDAE)
- bibaphus, Coelotrochus bibaphus (J.A. Bartrum & Powell, 1928 †) - (TROCHIDAE) (FOSSIL)
- bibbeyi, Pterynotus bibbeyi (G.E. Radwin & D'Attilio, 1976) - (MURICIDAE)
- bibbeyi, Septa bibbeyi (A.G. Beu, 1987) - (RANELLIDAE)
- bibbi, Millkoninckioceras bibbi (Miller & Kemp, 1947 †) - (KONINCKIOCERATIDAE) (FOSSIL)
- bibbi, Koninckioceras bibbi Miller & Kemp, 1947 † - syn of: Millkoninckioceras bibbi (Miller & Kemp, 1947 †) - (KONINCKIOCERATIDAE) (FOSSIL)
- bibbianum, Teinostoma bibbianum W.H. Dall, 1919 - (TORNIDAE)
- bibbyi, Acesta bibbyi J.D. Stilwell & Zinsmeister, 1992 † - (LIMIDAE) (FOSSIL)
- bibi, Cyclostrema bibi J. Espinosa, J.A. Ortea & R. Fernández-Garcés, 2007 - (LIOTIIDAE)
- bibijaguaense, Opisthosiphon pupoides bibijaguaense C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- bibijaguaensis, Nesocoptis pruinosa bibijaguaensis (C. de la Torre & P. Bartsch, 1972) - (UROCOPTIDAE)
- bibijaguense, Chondropoma vespertinum bibijaguense C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- bibijaguensis, Nesocoptis pruinosa bibijaguensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- bibliana, Ecuadorea bibliana W.B. Marshall & E. Bowles, 1932 - syn of: Rhipidodonta hylaea (A.V.M.D. D'Orbigny, 1835) - (HYRIIDAE)
- bibsae, Scalenostoma bibsae G.W. Nowell-Usticke, 1959 - syn of: Scalenostoma subulatum (W.J. Broderip, 1832) - (EULIMIDAE)
- bibsae, Cymatioa bibsae (G.W. Nowell-Usticke, 1969) - (LASAEIDAE)
- bibsae, Mitra bibsae G.W. Nowell-Usticke, 1969 - syn of: Vexillum catenatum (W.J. Broderip, 1836) - (MITRIDAE)
- biburgensis, Stenocolpus biburgensis Yamani, 1982 † - (PARALLELODONTIDAE) (FOSSIL)
- bicallizona, Siphonalia callizona bicallizona T. Habe, 1961 - (BUCCINIDAE)
- bicallosa, Propustularia bicallosa J.E. Gray, 1832 - syn of: Propustularia surinamensis (Perry, 1811) - (CYPRAEIDAE)
- bicallosa, Perisserosa guttata bicallosa G. Raybaudi Massilia, 1985 - (CYPRAEIDAE)
- bicallosa, Chondrula bicallosa L. Pfeiffer, 1847 - (ENIDAE)
- bicallosa, Chilanodon bicallosa (L. Pfeiffer, 1853) - (HYGROMIIDAE)
- bicallosa, Nassa bicallosa E.A. Smith, 1876 - syn of: Nassarius bicallosus (E.A. Smith, 1876) - (NASSARIIDAE)
- bicallosus, Nassarius bicallosus (E.A. Smith, 1876) - (NASSARIIDAE)
- bicanaliculata, Xanthomelon pachystylum bicanaliculata (L. Pfeiffer, 1845) - (CAMAENIDAE)
- bicanaliculata, Bifurcium bicanaliculata P.L. Duclos, 1835 - syn of: Bifurcium bicanaliferum (G.B. I Sowerby, 1832) - (COLUMBELLIDAE)
- bicanaliculata, Neritina bicanaliculata C.A. Récluz, 1843 - (NERITIDAE)
- bicanaliculata, Pupina bicanaliculata G.B. Sowerby, 1841 - syn of: Pupina bicaniculata (G.B. Sowerby, 1841) - (PUPINIDAE)
- bicanaliculata, Diloma bicanaliculata (R.W. Dunker, 1844) - (TROCHIDAE)
- bicanaliculata lenior, Diloma bicanaliculata lenior (H.J. Finlay, 1927) - (TROCHIDAE)
- bicanaliculatus, Agoniatites bicanaliculatus (C.L.F. von Sandberger & C.L.F. von Sandberger, 1856 †) - (AGONIATITIDAE) (FOSSIL)
- bicanaliculatus, Heliacus areola bicanaliculatus (A. Valenciennes, 1832) - (ARCHITECTONICIDAE)
- bicanaliculatus, Belemnites bicanaliculatus H.M.D. de Blainville, 1827 † - syn of: Pseudobelus bicanaliculatus (H.M.D. de Blainville, 1827 †) - (BELEMNITELLIDAE) (FOSSIL)
- bicanaliculatus, Pseudobelus bicanaliculatus (H.M.D. de Blainville, 1827 †) - (DUVALIIDAE) (FOSSIL)
- bicanaliculatus, Goniatites bicanaliculatus C.L.F. von Sandberger, 1856 † - syn of: Agoniatites bicanaliculatus (C.L.F. von Sandberger & C.L.F. von Sandberger, 1856 †) - (GONIATITIDAE) (FOSSIL)
- bicanaliculatus aplanata, Agoniatites bicanaliculatus aplanata Petter, 1959 † - syn of: Agoniatites aplanatus Petter, 1959 † - (AGONIATITIDAE) (FOSSIL)
- bicanalifera, Columbella bicanalifera G.B. I Sowerby, 1832 - syn of: Bifurcium bicanaliferum (G.B. I Sowerby, 1832) - (COLUMBELLIDAE)
- bicanalifera, Fusinus rostratus bicanalifera (G.S. Coen, 1933) - (FASCIOLARIIDAE)
- bicanalifera, Miraclathurella bicanalifera (G.B. I Sowerby, 1834) - (PSEUDOMELATOMIDAE)
- bicanaliferum, Cerithium bicanaliferum J.W. Brazier, 1877 - syn of: Varicopeza pauxilla (A. Adams, 1855) - (CERITHIIDAE)
- bicanaliferum, Bifurcium bicanaliferum (G.B. I Sowerby, 1832) - (COLUMBELLIDAE)
- bicancellata, Emarginula bicancellata R.P. Montrouzier, 1860 - (FISSURELLIDAE)
- bicaniculata, Pupina bicaniculata (G.B. Sowerby, 1841) - (PUPINIDAE)
- bicaniculatum, Gundolficeras bicaniculatum (Petter, 1959 †) - (TORNOCERATIDAE) (FOSSIL)
- bicaniculatum, Lobotornoceras bicaniculatum Petter, 1959 † - syn of: Gundolficeras bicaniculatum (Petter, 1959 †) - (TORNOCERATIDAE) (FOSSIL)
- bicarenus, Bellerophon bicarenus Léveillé, 1835 † - (BELLEROPHONTIDAE) (FOSSIL)
- Bicarina, Genus Bicarina Jhaveri , 1969 (GOSSELETINIDAE) (FOSSIL)
- bicarina, Ihungia bicarina J. Marwick, 1931 † - (RISSOIDAE) (FOSSIL)
- bicarinata, Archachatina bicarinata (J.G. Bruguière, 1792) - (ACHATINIDAE)
- bicarinata, Amathina bicarinata W.H. Pease, 1861 - (AMATHINIDAE)
- bicarinata, Angaria alta bicarinata W.H. Hudleston † - (ANGARIIDAE) (FOSSIL)
- bicarinata, Aporrhais bicarinata F.C.L. Koch & Boll, 1861 † - (APORRHAIDAE) (FOSSIL)
- bicarinata, Dicroloma bicarinata (G.G. Münster, 1844 †) - (APORRHAIDAE) (FOSSIL)
- bicarinata, Helicaulax bicarinata W.M. Gabb, 1869 † - syn of: Tessarolax gabbi L.R. Saul & R.L. Squires, 2015 † - (APORRHAIDAE) (FOSSIL)
- bicarinata, Aporrhais bicarinata Wollemann, 1908 † - syn of: Trilemma striatocarinatum (Sinzow, 1880 †) - (APORRHAIDAE) (FOSSIL)
- bicarinata, Alaria bicarinata G.G. Münster, 1844 † - syn of: Dicroloma bicarinata (G.G. Münster, 1844 †) - (APORRHAIDAE) (FOSSIL)
- bicarinata, Arca bicarinata G.B. III Sowerby, 1901 - syn of: Arca patriarchalis P.F. Röding, 1798 - (ARCIDAE)
- bicarinata, Sitala bicarinata (O. Böttger) - (ARIOPHANTIDAE)
- bicarinata, Vitrinula bicarinata (C.G. Semper) - (ARIOPHANTIDAE)
- bicarinata, Bakevellia bicarinata (King, 1848 †) - (BAKEVELLIIDAE) (FOSSIL)
- bicarinata, Batillaria bicarinata (J.B.P.A. Lamarck, 1804 †) - (BATILLARIIDAE) (FOSSIL)
- bicarinata, Bakewellia bicarinata King, 1848 † - syn of: Bakevellia bicarinata (King, 1848 †) - (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- bicarinata, Engina bicarinata (G.P. Deshayes) - (BUCCINIDAE)
- bicarinata, Turrisipho lachesis bicarinata (H.B.S. Friele, 1879) - (BUCCINIDAE)
- bicarinata, Bythinella bicarinata (C. des Moulins, 1827) - (BYTHINELLIDAE)
- bicarinata, Calliotropis bicarinata (M.M. Schepman, 1908) - (CALLIOTROPIDAE)
- bicarinata, Trichotropis bicarinata (G.B. I Sowerby, 1825) - (CAPULIDAE)
- bicarinata, Cassis fimbriata bicarinata I.H. Jonas, 1839 - (CASSIDAE)
- bicarinata, Clathropsis bicarinata (C.F. Laseron, 1951) - (CERITHIOPSIDAE)
- bicarinata, Clathurella bicarinata W.H. Pease, 1863 - syn of: Eucyclotoma bicarinata (W.H. Pease, 1863) - (CLATHURELLIDAE)
- bicarinata, Sprattia bicarinata (E.A. Rossmässler, 1839) - (CLAUSILIIDAE)
- bicarinata, Juliacorbula bicarinata (Sowerby, 1833) - (CORBULIDAE)
- bicarinata, Myonera bicarinata E.A. Smith, 1896 - (CUSPIDARIIDAE)
- bicarinata, Cuspidaria bicarinata (J.G. Jeffreys, 1882) - (CUSPIDARIIDAE)
- bicarinata, Neaera bicarinata J.G. Jeffreys, 1882 - syn of: Cuspidaria bicarinata (J.G. Jeffreys, 1882) - (CUSPIDARIIDAE)
- bicarinata, Cylichnopsis bicarinata Garvie, 2013 † - (CYLICHNIDAE) (FOSSIL)
- bicarinata, Deianira bicarinata (Zekeli, 1852 †) - (DEIANIRIDAE) (FOSSIL)
- bicarinata, Dejanira bicarinata P. Oppenheim, 1892 † - syn of: Deianira leopoldi K. Bandel & F. Riedel, 1994 † - (DEIANIRIDAE) (FOSSIL)
- bicarinata, Dejanira bicarinata L. von G. Tausch, 1886 † - syn of: Deianira ferdinandi K. Bandel & F. Riedel, 1994 † - (DEIANIRIDAE) (FOSSIL)
- bicarinata, Liratoniella bicarinata W.F. Ponder, 1965 - (EATONIELLIDAE)
- bicarinata, Opalia bicarinata (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- bicarinata, Epitonium bicarinata G.B. II Sowerby, 1844 - syn of: Opalia bicarinata (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- bicarinata, Flemmingia bicarinata Klipstein, 1843 † - (EULIMIDAE) (FOSSIL)
- bicarinata, Stachella bicarinata Wang, 1980 † - (EUPHEMITIDAE) (FOSSIL)
- bicarinata, Hercorhyncus bicarinata (B. Wade, 1926 †) - (FASCIOLARIIDAE) (FOSSIL)
- bicarinata, Bicarinella bicarinata (C.O. Waterhouse, 1963 †) - (GOSSELETINIDAE) (FOSSIL)
- bicarinata, Carinella bicarinata C.O. Waterhouse, 1963 † - syn of: Bicarinella bicarinata (C.O. Waterhouse, 1963 †) - (GOSSELETINIDAE) (FOSSIL)
- bicarinata, Bicarinella bicarinata Pchelintsev, 1953 † - syn of: Pseudomesalia bicarinata (Pchelintsev, 1953 †) - (GOSSELETINIDAE) (FOSSIL)
- bicarinata, Hiatella bicarinata H.C.F. Schumacher, 1817 - syn of: Hiatella arctica (C. Linnaeus, 1767) - (HIATELLIDAE)
- bicarinata, Prososthenia bicarinata Olujic, 1999 † - (HYDROBIIDAE) (FOSSIL)
- bicarinata, Pyrgula bicarinata Š. Brusina, 1902 † - (HYDROBIIDAE) (FOSSIL)
- bicarinata, Discula bicarinata (G.B. I Sowerby, 1824) - (HYGROMIIDAE)
- bicarinata, Hystricella bicarinata G.B. I Sowerby, 1824 - syn of: Discula bicarinata (G.B. I Sowerby, 1824) - (HYGROMIIDAE)
- bicarinata, Liarea bicarinata H.H. Suter, 1907 - (LIAREIDAE)
- bicarinata, Liotia bicarinata E.C. Von Martens - (LIOTIIDAE)
- bicarinata, Worthenia bicarinata Batten, 1989 † - (LOPHOSPIRIDAE) (FOSSIL)
- bicarinata, Proturritella bicarinata (Wahlenberg, 1821 †) - (LOPHOSPIRIDAE) (FOSSIL)
- bicarinata, Corymbina bicarinata (Fuchs, 1877) † - (LYMNAEIDAE) (FOSSIL)
- bicarinata, Spineilo bicarinata Kalishevich, 1973 † - (MALLETIIDAE) (FOSSIL)
- bicarinata, Oenopota bicarinata (J.P.Y. Couthouy, 1838) - (MANGELIIDAE)
- bicarinata, Oenopota bicarinata H.B.S. Friele, 1879 - syn of: Oenopota violacea (J.W. Mighels & C.B. Adams, 1842) - (MANGELIIDAE)
- bicarinata, Oenopota bicarinata G.O. Sars, 1878 - syn of: Oenopota violacea (J.W. Mighels & C.B. Adams, 1842) - (MANGELIIDAE)
- bicarinata, Margarites bicarinata J.D. Kurtz, 1860 - (MARGARITIDAE)
- bicarinata, Melanopsis bicarinata (J.G. Bruguière, 1789) - (MELANOPSIDAE)
- bicarinata, Melanopsis textilis bicarinata Handmann, 1887 † - (MELANOPSIDAE) (FOSSIL)
- bicarinata, Thais bicarinata H.M.D. de Blainville, 1832 - syn of: Stramonita rustica (J.B.P.A. Lamarck, 1822) - (MURICIDAE)
- bicarinata, Neritopsis bicarinata E.A.L. Kittl, 1894 † - (NERITOPSIDAE) (FOSSIL)
- bicarinata, Polidevcia bicarinata Guskov & Demskaja, 1984 † - (NUCULANIDAE) (FOSSIL)
- bicarinata, Menneroctenia bicarinata Kalishevich, 1973 † - syn of: Spineilo bicarinata Kalishevich, 1973 † - (NUCULIDA (unassigned)) (FOSSIL)
- bicarinata, Nucula bicarinata S. Borson, 1823 - syn of: Nuculana pella (C. Linnaeus, 1767) - (NUCULIDAE)
- bicarinata, Omalogyra bicarinata H.H. Suter, 1908 - syn of: Zerotula bicarinata (H.H. Suter, 1908) - (OMALOGYRIDAE)
- bicarinata, Potadoma bicarinata G. Mandahl-Barth, 1967 - (PACHYCHILIDAE)
- bicarinata, Pandora bicarinata P.P. Carpenter, 1864 - syn of: Pandora bilirata T.A. Conrad, 1855 - (PANDORIDAE)
- bicarinata, Tricolia bicarinata (R.W. Dunker, 1846) - (PHASIANELLIDAE)
- bicarinata, Pleurotomaria bicarinata Klipstein, 1843 † - (PLEUROTOMARIIDAE) (FOSSIL)
- bicarinata, Tropidophora tricarinata bicarinata (G.B. Sowerby, 1843) - (POMATIIDAE)
- bicarinata, Cerithidea bicarinata J.E. Gray, 1843 - (POTAMIDIDAE)
- bicarinata, Psammobia bicarinata G.P. Deshayes, 1855 - syn of: Gari insignis bicarinata (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- bicarinata, Gari insignis bicarinata (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- bicarinata, Pseudomelania bicarinata Hudleston ex Wright MS † - (PSEUDOMELANIIDAE) (FOSSIL)
- bicarinata, Compsodrillia bicarinata (D.R. Shasky, 1961) - (PSEUDOMELATOMIDAE)
- bicarinata, Pseudotissotia nigeriensis bicarinata Barber, 1957 † - (PSEUDOTISSOTIIDAE) (FOSSIL)
- bicarinata, Menesthella bicarinata E. Robba, 2013 † - (PYRAMIDELLIDAE) (FOSSIL)
- bicarinata, Goniodostomia bicarinata B.M. Landau & P.I. LaFollette, 2015 † - (PYRAMIDELLIDAE) (FOSSIL)
- bicarinata, Salassia bicarinata E. Robba, S.I. Di Geronimo, N. Chaimanee & al., 2004 - (PYRAMIDELLIDAE)
- bicarinata, Chemnitzia bicarinata P.P. Carpenter, 1856 - (PYRAMIDELLIDAE)
- bicarinata, Eucyclotoma bicarinata (W.H. Pease, 1863) - (RAPHITOMIDAE)
- bicarinata, Taranis nexilis bicarinata (H.H. Suter, 1915) - (RAPHITOMIDAE)
- bicarinata, Rissoa bicarinata Bell, 1893 † - (RISSOIDAE) (FOSSIL)
- bicarinata, Sulcogladius bicarinata Baldi, 1966 † - (ROSTELLARIIDAE) (FOSSIL)
- bicarinata, Rostellaria bicarinata Leymerie, 1842 † - (ROSTELLARIIDAE) (FOSSIL)
- bicarinata, Rostellaria bicarinata G.G. Münster, 1844 † - syn of: Dicroloma bicarinata (G.G. Münster, 1844 †) - (ROSTELLARIIDAE) (FOSSIL)
- bicarinata, Basilissa bicarinata T. Habe, 1961 - (SEGUENZIIDAE)
- bicarinata, Lissotesta bicarinata A.W.B. Powell, 1940 - (SEGUENZIOIDEA (UNASSIGNED))
- bicarinata, Leucorhynchia bicarinata W. Adam & J. Knudsen, 1969 - (SKENEIDAE)
- bicarinata, Ilanga bicarinata (A. Adams & L.A. Reeve, 1850) - (SOLARIELLIDAE)
- bicarinata, Minolia bicarinata A. Adams & L.A. Reeve, 1850 - syn of: Ilanga bicarinata (A. Adams & L.A. Reeve, 1850) - (SOLARIELLIDAE)
- bicarinata, Temnotropis bicarinata Laube, 1869 † - (TEMNOTROPIDAE) (FOSSIL)
- bicarinata, Melania bicarinata J.P.S. Grateloup, 1840 - syn of: Madagasikara madagascariensis (J.P.S. Grateloup, 1840) - (THIARIDAE)
- bicarinata, Anticlimax bicarinata F. Rubio & E. Rolán, 2014 - (TORNIDAE)
- bicarinata, Notogibbula bicarinata (A. Adams, 1854) - (TROCHIDAE)
- bicarinata, Astraea bicarinata H.H. Suter, 1917 † - (TURBINIDAE) (FOSSIL)
- bicarinata, Pleurotoma bicarinata J.P.Y. Couthouy, 1838 - syn of: Oenopota bicarinata (J.P.Y. Couthouy, 1838) - (TURRIDAE)
- bicarinata, Turritella bicarinata Elchwald, 1830 † - (TURRITELLIDAE) (FOSSIL)
- bicarinata, Pseudomesalia bicarinata (Pchelintsev, 1953 †) - (TURRITELLIDAE) (FOSSIL)
- bicarinata, Vermicularia bicarinata G.P. Deshayes, 1843 - syn of: Vermicularia spirata R.A. Philippi, 1836 - (TURRITELLIDAE)
- bicarinata, Pachymyonia bicarinata Astafieva-Urbaitis, 1976 † - syn of: Pachymyonia elata Popow, 1957 † - (VACUNELLIDAE) (FOSSIL)
- bicarinata, Valvata bicarinata H.C. Lea, 1841 - (VALVATIDAE)
- bicarinata, Rivularia bicarinata W. Kobelt, 1909 - (VIVIPARIDAE)
- bicarinata, Zerotula bicarinata (H.H. Suter, 1908) - (ZEROTULIDAE)
- bicarinata australe, Cerithidea bicarinata australe J.K.E. Dieffenbach in W. Kobelt, 1898 - (POTAMIDIDAE)
- bicarinata aucta, Discula bicarinata aucta (T.V. Wollaston, 1878) - (HYGROMIIDAE)
- bicarinata grisea, Sprattia bicarinata grisea E. Neubert, 1992 - (CLAUSILIIDAE)
- bicarinata normalis, Valvata bicarinata normalis B. Walker, 1902 - (VALVATIDAE)
- bicarinata percingulata, Turritella bicarinata percingulata ErünalErentöz, 1958 † - (TURRITELLIDAE) (FOSSIL)
- bicarinata rufescens, Bela bicarinata rufescens G.O. Sars, 1878 - syn of: Oenopota violacea (J.W. Mighels & C.B. Adams, 1842) - (MANGELIIDAE)
- bicarinata tenuis, Trichotropis bicarinata tenuis E.A. Smith, 1877 - (CAPULIDAE)
- bicarinata tropidophora, Tricolia bicarinata tropidophora (J.R. le B. Tomlin, 1931) - (PHASIANELLIDAE)
- bicarinatoides, Ceratosiphon bicarinatoides (Wollemann, 1903 †) - (APORRHAIDAE) (FOSSIL)
- bicarinatum, Aegocrioceras bicarinatum (A.T. Young & Bird, 1828 †) - (AEGOCRIOCERATIDAE) (FOSSIL)
- bicarinatum, Intomodesma bicarinatum Muromtseva, 1984 † - (ATOMODESMATIDAE) (FOSSIL)
- bicarinatum, Ctiloceras bicarinatum T. Iredale & C.F. Laseron, 1957 - (CAECIDAE)
- bicarinatum, Balantium bicarinatum W.H. Benson, 1837 - syn of: Clio recurva (J.G. Children, 1823) - (CAVOLINIIDAE)
- bicarinatum, Cerithium bicarinatum J.E. Gray, 1843 - syn of: Zeacumantus lutulentus (L.C. Kiener, 1842) - (CERITHIIDAE)
- bicarinatum, Cerithium bicarinatum J.B.P.A. Lamarck, 1804 - syn of: Zeacumantus lutulentus (L.C. Kiener, 1842) - (CERITHIIDAE)
- bicarinatum, Osperleioceras bicarinatum (Zieten, 1831 †) - (HILDOCERATIDAE) (FOSSIL)
- bicarinatum, Cyclostrema bicarinatum R.J.L. Guppy, 1866 - syn of: Cyclostremiscus beauii (Fischer, 1857) - (LIOTIIDAE)
- bicarinatum, Trapezium bicarinatum (H.C.F. Schumacher, 1817) - (TRAPEZIDAE)
- bicarinatum, Stroboceras bicarinatum (Verneuil, 1845 †) - (TRIGONOCERATIDAE) (FOSSIL)
- bicarinatum, Neothauma bicarinatum J.R. Bourguignat, 1885 - (VIVIPARIDAE)
- bicarinatus, Ammonites bicarinatus Zieten, 1831 † - syn of: Osperleioceras bicarinatum (Zieten, 1831 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- bicarinatus, Ammonites bicarinatus Münster, 1841 † - syn of: Proarcestes bicarinatus (Münster, 1841 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- bicarinatus, Lanistes bicarinatus J. Germain, 1907 - (AMPULLARIIDAE)
- bicarinatus, Proarcestes bicarinatus (Münster, 1841 †) - (ARCESTIDAE) (FOSSIL)
- bicarinatus, Austrofusus bicarinatus (H.H. Suter, 1917 †) - (BUCCINIDAE) (FOSSIL)
- bicarinatus, Capulus bicarinatus W.H. Pease, 1861 - syn of: Amathina bicarinata W.H. Pease, 1861 - (CAPULIDAE)
- bicarinatus, Dyris bicarinatus Etheridge, 1879 † - (COCHLIOPIDAE) (FOSSIL)
- bicarinatus, Sinuitopsis bicarinatus J. Perner, 1903 † - syn of: Sinuitopsis neglecta transgrediens J. Perner, 1903 † - (CYRTOLITIDAE) (FOSSIL)
- bicarinatus, Glacidorbis bicarinatus W.F. Ponder & G.J. Avern, 2000 - (GLACIDORBIDAE)
- bicarinatus, Cordillerites bicarinatus Tozer, 1965 † - (HEDENSTROEMIIDAE) (FOSSIL)
- bicarinatus, Nematotrochus bicarinatus Wahlenberg, 1821 † - syn of: Proturritella bicarinata (Wahlenberg, 1821 †) - (HOLOPEIDAE) (FOSSIL)
- bicarinatus, Nematotrochus bicarinatus E.F.R.K. Koken & J. Perner, 1925 † - syn of: Globonema kokeni W.A. Wenz, 1938 † - (HOLOPEIDAE) (FOSSIL)
- bicarinatus, Pseudexomilus bicarinatus T. Shuto, 1983 - (HORAICLAVIDAE)
- bicarinatus, Ichthyosarcolites bicarinatus C. Gemmellaro, 1865 † - (ICHTHYOSARCOLITIDAE) (FOSSIL)
- bicarinatus, Lanceolites bicarinatus Smith, 1932 † - (LANCEOLITIDAE) (FOSSIL)
- bicarinatus, Microdoma bicarinatus Sherzer & A.W. Grabau 1910 † - (MICRODOMATIDAE) (FOSSIL)
- bicarinatus, Glyptomelania glaphyrus bicarinatus E.C. Von Martens, 1901 - (PACHYCHILIDAE)
- bicarinatus, Gyraulus bicarinatus G. Mandahl-Barth, 1954 - (PLANORBIDAE)
- bicarinatus, Planorbis bicarinatus T. Say, 1817 - syn of: Helisoma anceps (K.T. Menke, 1830) - (PLANORBIDAE)
- bicarinatus, Choanomphalus bicarinatus W. Dybowski, 1901 - syn of: Choanomphalus maacki (G. Gerstfeldt, 1859) - (PLANORBIDAE)
- bicarinatus, Aulaconautilus bicarinatus Jeannet, 1951 † - (PSEUDONAUTILIDAE) (FOSSIL)
- bicarinatus, Pseudophorus bicarinatus Spitz, 1907 † - (PSEUDOPHORIDAE) (FOSSIL)
- bicarinatus, Circulus bicarinatus (J.B.P.A. Lamarck, 1804 †) - (TORNIDAE) (FOSSIL)
- bicarinatus, Cyclostremiscus beauii bicarinatus (R.J.L. Guppy, 1866 †) - (TORNIDAE) (FOSSIL)
- bicarinatus, Dimorphotectus bicarinatus J. Szabo, 1981 † - (TROCHIDAE) (FOSSIL)
- bicarinatus, Clanculus bicarinatus G.F. Angas, 1880 - (TROCHIDAE)
- bicarinatus, Trochus bicarinatus J.E. Gray, 1834 - syn of: Gibbula magus (C. Linnaeus, 1758) - (TROCHIDAE)
- bicarinatus, Globonema bicarinatus E.F.R.K. Koken & J. Perner, 1925 † - syn of: Globonema kokeni W.A. Wenz, 1938 † - (TROCHONEMATIDAE) (FOSSIL)
- bicarinatus, Temnodiscus bicarinatus J. Perner, 1903 † - syn of: Sinuitopsis neglecta J. Perner, 1903 † - (TROPIDODISCIDAE) (FOSSIL)
- bicarinatus, Turbo bicarinatus S. Woodward, 1833 - syn of: Littorina littorea (C. Linnaeus, 1758) - (TURBINIDAE)
- bicarinatus, Turbo bicarinatus G.B. I Sowerby, 1825 - syn of: Trichotropis bicarinata (G.B. I Sowerby, 1825) - (TURBINIDAE)
- bicarinatus, Armatus bicarinatus A.N. Golikov, 1986 - (TURRITELLIDAE)
- bicarinatus, Zonitarion bicarinatus G.A. de Mol, 1970 - (UROCYCLIDAE)
- bicarinatus, Viviparus bicarinatus Popovic, 1971 † - (VIVIPARIDAE) (FOSSIL)
- bicarinatus ausseanus, Proarcestes bicarinatus ausseanus J. Von Hauer, 1847 † - syn of: Proarcestes ausseanus (J. Von Hauer, 1847 †) - (ARCESTIDAE) (FOSSIL)
- bicarinatus sofiaensis, Dyris bicarinatus sofiaensis Wesselingh, 2006 - (COCHLIOPIDAE)
- Bicarinella, Genus Bicarinella Akopian, 1976 (GOSSELETINIDAE) (FOSSIL)
- bicarinoides, Ammonites bicarinoides F.A. von Quenstedt, 1849 † - syn of: Joannites cymbiformis (Wulfen, 1793 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- bicatena, Eopleurotoma bicatena (J.B.P.A. Lamarck, 1804 †) - (TURRIDAE) (FOSSIL)
- bicatenata, Galeodea bicatenata Sowerby, 1815 † - (CASSIDAE) (FOSSIL)
- bicatenata, Marginella bicatenata G.B. III Sowerby, 1914 - (MARGINELLIDAE)
- bicatenata, Morula bicatenata (L.A. Reeve, 1846) - (MURICIDAE)
- bicatenata, Habromorula bicatenata (L.A. Reeve, 1846) - syn of: Morula bicatenata (L.A. Reeve, 1846) - (MURICIDAE)
- Bicatillus, Subgenus Sigapatella (Bicatillus) Swainson, 1840 (CALYPTRAEIDAE) (FOSSIL)
- bicaudata, Tomura bicaudata (H.A. Pilsbry & J.T.L. McGinty, 1946) - (CORNIROSTRIDAE)
- bicaudata, Ocenebra bicaudata (S. Borson, 1821 †) - (MURICIDAE) (FOSSIL)
- bicaudata, Vitrinella bicaudata H.A. Pilsbry & J.T.L. McGinty, 1946 - syn of: Tomura bicaudata (H.A. Pilsbry & J.T.L. McGinty, 1946) - (TORNIDAE)
- bicavatus, Straparollus bicavatus Spriestersbach, 1942 † - (EUOMPHALIDAE) (FOSSIL)
- bicegoi, Tritonium bicegoi H.F.A. von Ihering, 1899 † - syn of: Sassia armata (L.H. Hupé, 1854 †) - (BUCCINIDAE) (FOSSIL)
- bicegoi, Lotorium bicegoi Tavera, 1979 † - syn of: Ameranella verruculosa (J. de C. Sowerby, 1846 †) - (RANELLIDAE) (FOSSIL)
- bicegoi, Sassia bicegoi H.F.A. von Ihering, 1899 † - syn of: Sassia armata (L.H. Hupé, 1854 †) - (RANELLIDAE) (FOSSIL)
- biceps, Arcestes biceps Mojsisovics, 1875 † - (ARCESTIDAE) (FOSSIL)
- biceps, Brachidontes biceps K.T. Menke, 1848 - syn of: Brachidontes exustus (C. Linnaeus, 1758) - (MYTILIDAE)
- bichense, Uraloceras bichense Bogoslovskaya & Boiko, 2002 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- bichi, Pinna bichi Thach, 2016 - (PINNIDAE)
- Bichoristes, Genus Bichoristes J.H. McLean, 1992 (LEPETELLIDAE)
- bicicolae, Fuciniceras bicicolae (Bonarelli, 1895 †) - (HILDOCERATIDAE) (FOSSIL)
- bicicolae, Calliphylloceras bicicolae (Meneghini, 1874 †) - (PHYLLOCERATIDAE) (FOSSIL)
- bicicolae sulcatum, Calliphylloceras bicicolae sulcatum (Vadasz, 1907 †) - (PHYLLOCERATIDAE) (FOSSIL)
- biciliata, Ruthvenia biciliata (L. Pfeiffer, 1855) - (CHAROPIDAE)
- biciliatus, Opisthoporus biciliatus (A. Mousson, 1849) - (CYCLOPHORIDAE)
- bicincta, Aeolidia bicincta E.C. Von Martens, 1879 - (AEOLIDIIDAE)
- bicincta, Pisinna bicincta F.N. Santos & R.S. Absalão, 2004 - (ANABATHRIDAE)
- bicincta, Sitala bicincta A.R.J.B. Bavay & P. Dautzenberg, 1912 - syn of: Ruthvenia bicincta (A.R.J.B. Bavay & P. Dautzenberg, 1912) - (ARIOPHANTIDAE)
- bicincta, Assiminea bicincta W.F. Petterd, 1889 - syn of: Cryptassiminea buccinoides (J.R.C. Quoy & J.P. Gaimard, 1834) - (ASSIMINEIDAE)
- bicincta, Granulolabium bicincta (G.B. Brocchi, 1814 †) - (BATILLARIIDAE) (FOSSIL)
- bicincta, Oxychona bicincta L. Pfeiffer, 1841 - syn of: Leptarionta bicincta (L. Pfeiffer, 1841) - (BULIMULIDAE)
- bicincta, Cypraecassis bicincta F.M. Bayer, 1935 - syn of: Cypraecassis testiculus (C. Linnaeus, 1758) - (CASSIDAE)
- bicincta, Jeanneretia bicincta (K.T. Menke, 1830) - (CEPOLIDAE)
- bicincta, Synthopsis bicincta A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- bicincta, Ruthvenia bicincta (A.R.J.B. Bavay & P. Dautzenberg, 1912) - (CHAROPIDAE)
- bicincta, Mitrella bicincta (A.A. Gould, 1860) - (COLUMBELLIDAE)
- bicincta, Columbella bicincta A.A. Gould, 1860 - syn of: Mitrella bicincta (A.A. Gould, 1860) - (COLUMBELLIDAE)
- bicincta, Mucronalia bicincta A. Adams, 1860 - (EULIMIDAE)
- bicincta, Helix bicincta L. Pfeiffer, 1841 - syn of: Leptarionta bicincta (L. Pfeiffer, 1841) - (HELICIDAE)
- bicincta, Helicina bicincta C.P. Gloyne, 1872 - (HELICINIDAE)
- bicincta, Humboldtiana bicincta F.G. Thompson & B.A. Brewer, 1999 - (HUMBOLDTIANIDAE)
- bicincta, Muellerpalia bicincta (A. Fuchs, 1870 †) - (HYDROBIIDAE) (FOSSIL)
- bicincta, Pyrgula bicincta Lörenthey, 1894 † - (HYDROBIIDAE) (FOSSIL)
- bicincta, Lophospira bicincta J.W. Hall, 1847 † - syn of: Lophospira milleri (Miller, 1877 †) - (LOPHOSPIRIDAE) (FOSSIL)
- bicincta, Melanopsis bicincta Blanckenhorn, 1897 † - (MELANOPSIDAE) (FOSSIL)
- bicincta, Cyrtostropha bicincta (F. McCoy, 1844 †) - (MURCHISONIIDAE) (FOSSIL)
- bicincta, Cryptonatica bicincta L. von Schrenck, 1867 - syn of: Cryptonatica hirasei (H.A. Pilsbry, 1905) - (NATICIDAE)
- bicincta, Natica bicincta C.A. Récluz, 1850 - syn of: Mammilla melanostomoides (J.R.C. Quoy & J.P. Gaimard, 1832) - (NATICIDAE)
- bicincta, Sallya bicincta E.L. Yochelson, 1956 † - (PSEUDOPHORIDAE) (FOSSIL)
- bicincta, Purpuroidea bicincta (L.É.S. Piette, 1856 †) - (PURPUROIDEIDAE) (FOSSIL)
- bicincta, Turbonilla bicincta A. Adams, 1860 - (PYRAMIDELLIDAE)
- bicincta, Odostomella bicincta (N. Tiberi, 1868) - (PYRAMIDELLIDAE)
- bicincta, Chrysallida bicincta N. Tiberi, 1874 - syn of: Odostomella doliolum cylindrica M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1885 - (PYRAMIDELLIDAE)
- bicincta, Sassia bicincta (G.P. Deshayes, 1835 †) - (RANELLIDAE) (FOSSIL)
- bicincta, Terebra bicincta Martin, 1879 † - (TEREBRIDAE) (FOSSIL)
- bicincta, Triphora bicincta N.H. Odhner, 1917 - (TRIPHORIDAE)
- bicincta, Valvata bicincta J.J.F. Whiteaves, 1885 † - (VALVATIDAE) (FOSSIL)
- bicincta, Valvata bicincta A. Fuchs, 1870 † - syn of: Muellerpalia bicincta (A. Fuchs, 1870 †) - (VALVATIDAE) (FOSSIL)
- bicincta, Ericusa fulgetrum bicincta J.C. Verco, 1912 - (VOLUTIDAE)
- bicincta, Leptarionta bicincta (L. Pfeiffer, 1841) - (XANTHONYCHIDAE)
- bicincta formosa, Mitrella bicincta formosa (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- bicincta pityonesica, Jeanneretia bicincta pityonesica (L. Pfeiffer, 1854) - (CEPOLIDAE)
- bicinctae, Monacha bicinctae L. Benoit, 1840 - (HYGROMIIDAE)
- bicinctella, Mitrella bicinctella M. Yokoyama, 1928 - (COLUMBELLIDAE)
- bicinctella, Besla bicinctella (M. Yokoyama, 1927) - (PYRAMIDELLIDAE)
- bicinctula, Citharomangelia bicinctula (G. Nevill & H. Nevill, 1871) - syn of: Citharomangelia boakei (G. Nevill & H. Nevill, 1869) - (MANGELIIDAE)
- bicinctum, Buccinulum vittatum bicinctum (F.W. Hutton, 1873) - (BUCCINIDAE)
- bicinctum, Caecum bicinctum L. de Folin, 1870 - (CAECIDAE)
- bicinctum, Cerithium bicinctum J.G. Jeffreys, 1867 - syn of: Cerithiella metula (S.L. Lovén, 1846) - (CERITHIIDAE)
- bicinctum, Microcerithium bicinctum (Gerasimov, 1992 †) - (CRYPTAULACIDAE) (FOSSIL)
- bicinctum, Tetrameroceras bicinctum (Barrande, 1865 †) - (HEMIPHRAGMOCERATIDAE) (FOSSIL)
- bicinctum, Orthoceras bicinctum H.W. Von Abich, 1878 † - syn of: Lopingoceras bicinctum (H.W. Von Abich, 1878 †) - (ORTHOCERATIDAE) (FOSSIL)
- bicinctum, Phragmoceras bicinctum Barrande, 1865 † - syn of: Tetrameroceras bicinctum (Barrande, 1865 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- bicinctum, Procerithium bicinctum (Hudleston) † - (PROCERITHIIDAE) (FOSSIL)
- bicinctum, Lopingoceras bicinctum (H.W. Von Abich, 1878 †) - (SPYROCERATIDAE) (FOSSIL)
- bicinctum, Aylacostoma bicinctum (L.A. Reeve, 1860) - (THIARIDAE)
- bicinctus, Abyssochrysos bicinctus (P. Bouchet, 1991) - (ABYSSOCHRYSIDAE)
- bicinctus, Ancistrolepis eucosmius bicinctus W.H. Dall, 1919 - (BUCCINIDAE)
- bicinctus, Joculator bicinctus A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- bicinctus, Euchelus bicinctus auct. non R.A. Philippi, 1849 - (CHILODONTIDAE)
- bicinctus, Conus bicinctus E. Donovan, 1826 - (CONIDAE)
- bicinctus, Lissochilus bicinctus (Phillips) † - (NERITIDAE) (FOSSIL)
- bicinctus, Paludomus bicinctus L.A. Reeve, 1852 - (PALUDOMIDAE)
- bicinctus, Trochus bicinctus R.A. Philippi, 1849 - syn of: Priotrochus obscurus (W. Wood, 1828) - (TROCHIDAE)
- bicingulata, Helicophanta bicingulata (E.A. Smith, 1882) - (ACAVIDAE)
- bicingulata, Stellaxis bicingulata R.B. Newton, 1922 † - (ARCHITECTONICIDAE) (FOSSIL)
- bicingulata, Clenchiella bicingulata W.F. Ponder, H. Fukuda & A. Hallan, 2014 - (CLENCHIELLIDAE)
- bicingulata, Caseolus bicingulata R.T. Lowe, 1855 - syn of: Caseolus abjectus (R.T. Lowe, 1851) - (HYGROMIIDAE)
- bicingulata, Oliva bulbosa bicingulata J.B.P.A. Lamarck, 1811 - (OLIVIDAE)
- bicingulata, Pleurotomaria bicingulata Klipstein, 1843 † - (PLEUROTOMARIIDAE) (FOSSIL)
- bicingulata, Alvania bicingulata (G. Seguenza, 1876 †) - (RISSOIDAE) (FOSSIL)
- bicingulata, Turritella bicingulata J.B.P.A. Lamarck, 1822 - (TURRITELLIDAE)
- bicingulatus, Synapterpes bicingulatus H.C. Fulton, 1908 - (SUBULINIDAE)
- bicingulatus, Turbo bicingulatus Münster, 1841 † - syn of: Turbo subcarinatus Münster, 1841 † - (TURBINIDAE) (FOSSIL)
- bicingulatus, Viviparus bicingulatus P.S. Pavlovic, 1903 † - (VIVIPARIDAE) (FOSSIL)
- Bicingulites, Genus Bicingulites Lyashenko, 1969 (TURMALITIDAE) (FOSSIL)
- bicipitis, Sonorella bicipitis H.A. Pilsbry & J.H. Ferriss, 1910 - (HELMINTHOGLYPTIDAE)
- bickense, Gephyroceras bickense Wedekind, 1913 † - syn of: Archoceras varicosum (Drevermann, 1901 †) - (GEPHUROCERATIDAE) (FOSSIL)
- bickense, Prosochasma bickense (Holzapfel 1882) † - (LUNULACARDIIDAE) (FOSSIL)
- bickense, Aulatornoceras bickense Wedekind, 1917 † - syn of: Aulatornoceras auris (F.A. von Quenstedt, 1846 †) - (TORNOCERATIDAE) (FOSSIL)
- bickertoni, Onoba bickertoni (C. Hedley, 1916) - (RISSOIDAE)
- Bickmorites, Genus Bickmorites Foerste, 1925 (BARRANDOCERATIDAE) (FOSSIL)
- biclathrata, Cythara biclathrata S.M. Souverbie, 1872 - syn of: Eucithara vittata (R.B. Hinds, 1843) - (MANGELIIDAE)
- biclathrata, Eucithara biclathrata S.M. Souverbie in S.M. Souverbie & R.P. Montrouzier, 1872 - syn of: Eucithara vittata (R.B. Hinds, 1843) - (MANGELIIDAE)
- Biclymenia, syn of: Genus Biloclymenia Schindewolf, 1923 (BILOCLYMENIIDAE) (FOSSIL)
- bicollaris, Rissoina bicollaris G. Schwartz, 1860 - (RISSOINIDAE)
- bicolor, Achatinella mustelina bicolor L. Pfeiffer, 1859 - (ACHATINELLIDAE)
- bicolor, Achatina bicolor J.C. Jay - syn of: Carelia bicolor (J.C. Jay, 1839) - (ACHATINIDAE)
- bicolor, Aeolidia bicolor E.F. Kelaart, 1858 - syn of: Flabellina bicolor (E.F. Kelaart, 1858) - (AEOLIDIIDAE)
- bicolor, Carelia bicolor (J.C. Jay, 1839) - (AMASTRIDAE)
- bicolor, Pisinna bicolor (W.F. Petterd, 1884) - (ANABATHRIDAE)
- bicolor, Pisinna bicolor C. Hedley, 1903 - syn of: Pisinna varicifera relata (B.C. Cotton, 1944) - (ANABATHRIDAE)
- bicolor, Amalda novaezelandiae bicolor G.F. Angas - (ANCILLARIIDAE)
- bicolor, Placostylus bicolor W.D. Hartman, 1889 - (BOTHRIEMBRYONTIDAE)
- bicolor, Chauvetia bicolor (J.C. Melvill, 1898) - (BUCCINIDAE)
- bicolor, Pollia bicolor F.J. Cantraine, 1835 - syn of: Enginella leucozona (R.A. Philippi, 1844) - (BUCCINIDAE)
- bicolor, Naesiotus bicolor W.K. Weyrauch, 1967 - (BULIMULIDAE)
- bicolor, Vermiculatus bicolor (G.B. I Sowerby, 1835) - (BULIMULIDAE)
- bicolor, Caecum impartitum bicolor L. de Folin, 1867 - (CAECIDAE)
- bicolor, Basedowena bicolor F. Criscione & F. Köhler, 2016 - (CAMAENIDAE)
- bicolor, Trigonostoma bicolor (R.B. Hinds, 1843) - (CANCELLARIIDAE)
- bicolor, Scalptia bicolor R.B. Hinds, 1843 - syn of: Trigonostoma bicolor (R.B. Hinds, 1843) - (CANCELLARIIDAE)
- bicolor, Cardites bicolor (J.B.P.A. Lamarck, 1819) - (CARDITIDAE)
- bicolor, Cardita bicolor J.B.P.A. Lamarck, 1819 - syn of: Cardites bicolor (J.B.P.A. Lamarck, 1819) - (CARDITIDAE)
- bicolor, Casmaria ponderosa bicolor P. Dautzenberg, 1926 - (CASSIDAE)
- bicolor, Cerithium bicolor C.B. Adams, 1845 - syn of: Retilaskeya bicolor (Adams, 1845) - (CERITHIIDAE)
- bicolor, Cerithium bicolor J.B. Hombron & C.H. Jacquinot, 1852 - syn of: Cerithium dialeucum R.A. Philippi, 1849 - (CERITHIIDAE)
- bicolor, Retilaskeya bicolor (Adams, 1845) - (CERITHIOPSIDAE)
- bicolor, Horologica bicolor C.F. Laseron, 1956 - (CERITHIOPSIDAE)
- bicolor, Cerithiopsis bicolor P. Bartsch, 1911 - (CERITHIOPSIDAE)
- bicolor, Egestula bicolor (F.M. Climo, 1973) - (CHAROPIDAE)
- bicolor, Charopa bicolor F.M. Climo, 1973 - syn of: Egestula bicolor (F.M. Climo, 1973) - (CHAROPIDAE)
- bicolor, Ceratosoma bicolor K. Baba, 1949 - (CHROMODORIDIDAE)
- bicolor, Etrema bicolor (G.F. Angas, 1871) - (CLATHURELLIDAE)
- bicolor, Clathurella bicolor G.F. Angas, 1871 - syn of: Etrema bicolor (G.F. Angas, 1871) - (CLATHURELLIDAE)
- bicolor, Parabalea bicolor (H.A. Pilsbry, 1949) - (CLAUSILIIDAE)
- bicolor, Idyla bicristata bicolor (L. Pfeiffer, 1846) - (CLAUSILIIDAE)
- bicolor, Homalopoma bicolor T.A. Okutani, 2001 - (COLLONIIDAE)
- bicolor, Amphissa bicolor W.H. Dall, 1892 - (COLUMBELLIDAE)
- bicolor, Conus bicolor G.B. I Sowerby, 1833 - syn of: Turriconus praecellens (A. Adams, 1855) - (CONIDAE)
- bicolor, Kidderia bicolor (E.C. Von Martens, 1885) - (CYAMIIDAE)
- bicolor, Platyrhaphe bicolor (E.C. Von Martens, 1903) - (CYCLOPHORIDAE)
- bicolor, Leptopoma bicolor (L. Pfeiffer, 1852) - (CYCLOPHORIDAE)
- bicolor, Notocypraea piperita bicolor (J.S. Gaskoin, 1849) - (CYPRAEIDAE)
- bicolor, Corbicula bicolor P.M. Heude, 1887 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- bicolor, Cystopelta bicolor W.F. Petterd & C. Hedley, 1909 - (CYSTOPELTIDAE)
- bicolor, Donax bicolor J.B.P.A. Lamarck, 1818 - syn of: Donax cuneatus C. Linnaeus, 1758 - (DONACIDAE)
- bicolor, Doris bicolor (L.S.R. Bergh, 1884) - (DORIDIDAE)
- bicolor, Plagiostropha bicolor M. Chino & P. Stahlschmidt, 2010 - (DRILLIIDAE)
- bicolor, Ovatella bicolor P.M.A. Morelet, 1860 - syn of: Myosotella myosotis (J.P.R. Draparnaud, 1801) - (ELLOBIIDAE)
- bicolor, Peristernia bicolor (H.C. Küster & W. Kobelt, 1874) - (FASCIOLARIIDAE)
- bicolor, Fusinus bicolor A. Risso, 1826 - syn of: Fusinus pulchellus (R.A. Philippi, 1844) - (FASCIOLARIIDAE)
- bicolor, Cuthona bicolor L.S.R. Bergh, 1904 - (FIONIDAE)
- bicolor, Diodora bicolor H.A. Pilsbry, 1891 - syn of: Diodora viridula J.B.P.A. Lamarck, 1822 - (FISSURELLIDAE)
- bicolor, Flabellina bicolor (E.F. Kelaart, 1858) - (FLABELLINIDAE)
- bicolor, Samla bicolor E.F. Kelaart, 1858 - syn of: Flabellina bicolor (E.F. Kelaart, 1858) - (FLABELLINIDAE)
- bicolor, Tucetona bicolor (L.A. Reeve, 1843) - (GLYCYMERIDIDAE)
- bicolor, Gymnodoris bicolor (J. Alder & A. Hancock, 1864) - (GYMNODORIDIDAE)
- bicolor, Atys bicolor L. Bozzetti, 2009 - (HAMINOEIDAE)
- bicolor, Helix bicolor L.J. Morlet, 1886 - syn of: Trochomorpha hamonvillei P. Dautzenberg - (HELICIDAE)
- bicolor, Sulawesidrobia bicolor S. Zielske, M. Glaubrecht & M. Haase, 2011 - (HYDROBIIDAE)
- bicolor, Lemniscia bicolor R.T. Lowe, 1831 - syn of: Lemniscia michaudi (G.P. Deshayes, 1830) - (HYGROMIIDAE)
- bicolor, Janthina bicolor K.T. Menke, 1828 - syn of: Janthina janthina (C. Linnaeus, 1758) - (JANTHINIDAE)
- bicolor, Mulinia bicolor J.E. Gray, 1837 - (MACTRIDAE)
- bicolor, Melina bicolor C.B. Adams, 1845 - syn of: Isognomon bicolor (C.B. Adams, 1845) - (MALLEIDAE)
- bicolor, Eucithara bicolor (L.A. Reeve, 1846) - (MANGELIIDAE)
- bicolor, Mangelia bicolor L.A. Reeve, 1846 - syn of: Eucithara bicolor (L.A. Reeve, 1846) - (MANGELIIDAE)
- bicolor, Farcimen auriculatum bicolor (A.A. Gould, 1844) - (MEGALOMASTOMIDAE)
- bicolor, Melongena bicolor T. Say, 1826 - syn of: Melongena corona bicolor T. Say, 1827 - (MELONGENIDAE)
- bicolor, Melongena corona bicolor T. Say, 1827 - (MELONGENIDAE)
- bicolor, Imbricaria bicolor (W.J. Swainson, 1824) - (MITRIDAE)
- bicolor, Mitra bicolor J.L.M. Defrance in H.M.D. de Blainville, 1824 - syn of: Scabricola casta (J.F. Gmelin, 1791) - (MITRIDAE)
- bicolor, Typhinellus bicolor L. Bozzetti, 2007 - (MURICIDAE)
- bicolor, Purpura bicolor R.P. Lesson, 1842 - syn of: Haustrum scobina (J.R.C. Quoy & J.P. Gaimard, 1833) - (MURICIDAE)
- bicolor, Murex bicolor A. Valenciennes, 1832 - syn of: Hexaplex erythrostomus (W.J. Swainson, 1831) - (MURICIDAE)
- bicolor, Modiola bicolor J.B.P.A. Lamarck, 1819 - syn of: Mytella guyanensis (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- bicolor, Modiolus bicolor J.B.P.A. Lamarck, 1819 - syn of: Mytella guyanensis (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- bicolor, Mytella bicolor J.G. Bruguière, 1792 - syn of: Mytella guyanensis (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- bicolor, Perna bicolor C.B. Adams, 1845 - syn of: Isognomon bicolor (C.B. Adams, 1845) - (MYTILIDAE)
- bicolor, Nassa bicolor C. Rousseau, 1854 - syn of: Nassarius albescens (R.W. Dunker, 1846) - (NASSARIIDAE)
- bicolor, Natica bicolor R.A. Philippi, 1849 - syn of: Glossaulax petiveriana (C.A. Récluz, 1843) - (NATICIDAE)
- bicolor, Clithon bicolor (C.A. Récluz, 1843) - (NERITIDAE)
- bicolor, Specula bicolor A. Cecalupo & I. Perugia, 2012 - (NEWTONIELLIDAE)
- bicolor, Ostrea bicolor S.C.T. Hanley, 1846 - syn of: Crassostrea tulipa (J.B.P.A. Lamarck, 1819) - (OSTREIDAE)
- bicolor, Partula bicolor A. Garrett, 1884 - (PARTULIDAE)
- bicolor, Partula gibba bicolor W.H. Pease, 1871 - (PARTULIDAE)
- bicolor, Pinna bicolor J.F. Gmelin, 1791 - (PINNIDAE)
- bicolor, Hendersonina discolorans bicolor C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- bicolor, Isognomon bicolor (C.B. Adams, 1845) - (PTERIIDAE)
- bicolor, Eulimella bicolor A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- bicolor, Pyramidella bicolor K.T. Menke, 1854 - (PYRAMIDELLIDAE)
- bicolor, Raphitoma bicolor (A. Risso, 1826) - (RAPHITOMIDAE)
- bicolor, Daphnella bicolor L.A. Reeve, 1846 - syn of: Eucithara bicolor (L.A. Reeve, 1846) - (RAPHITOMIDAE)
- bicolor, Powelliphanta hochstetteri bicolor (A.W.B. Powell, 1930) - (RHYTIDIDAE)
- bicolor, Rissoa bicolor W.F. Petterd, 1884 - syn of: Pisinna bicolor (W.F. Petterd, 1884) - (RISSOIDAE)
- bicolor, Scyllaea bicolor L.S.R. Bergh, 1880 - syn of: Scyllaea pelagica C. Linnaeus, 1758 - (SCYLLAEIDAE)
- bicolor, Semele bicolor (C.B. Adams, 1852) - (SEMELIDAE)
- bicolor, Pittieria bicolor E.C. Von Martens, 1901 - (SPIRAXIDAE)
- bicolor, Huttonella bicolor (F.W. Hutton, 1834) - (STREPTAXIDAE)
- bicolor, Rhabdogulella bicolor F.W. Hutton, 1834 - syn of: Huttonella bicolor (F.W. Hutton, 1834) - (STREPTAXIDAE)
- bicolor, Sindennea bicolor F.W. Hutton, 1834 - syn of: Huttonella bicolor (F.W. Hutton, 1834) - (STREPTAXIDAE)
- bicolor, Cleospira bicolor (G.B. I Sowerby, 1834) - (STRICTISPIRIDAE)
- bicolor, Acus bicolor G.F. Angas, 1867 - syn of: Euterebra tristis (G.P. Deshayes, 1859) - (TEREBRIDAE)
- bicolor, Pervicacia bicolor G.F. Angas, 1867 - syn of: Euterebra tristis (G.P. Deshayes, 1859) - (TEREBRIDAE)
- bicolor, Pseudomilax bicolor O. Böttger, 1881 - syn of: Hyrcanolestes velitaris (E.C. Von Martens, 1880) - (TRIGONOCHLAMYDIDAE)
- bicolor, Triphora bicolor W.H. Pease, 1868 - (TRIPHORIDAE)
- bicolor, Trochus bicolor G. Perry, 1811 - syn of: Trochus radiatus J.F. Gmelin, 1792 - (TROCHIDAE)
- bicolor, Gibbula bicolor A. Risso, 1826 - syn of: Gibbula ardens (C.U.A. von Salis-Marschlins, 1793) - (TROCHIDAE)
- bicolor, Videna bicolor E.C. Von Martens, 1864 - (TROCHOMORPHIDAE)
- bicolor, Turbinella bicolor H.C. Küster & W. Kobelt, 1874 - syn of: Peristernia bicolor (H.C. Küster & W. Kobelt, 1874) - (TURBINELLIDAE)
- bicolor, Pleurotoma bicolor G.B. I Sowerby, 1834 - syn of: Cleospira bicolor (G.B. I Sowerby, 1834) - (TURRIDAE)
- bicolor, Pleurotoma bicolor A. Risso, 1826 - syn of: Raphitoma bicolor (A. Risso, 1826) - (TURRIDAE)
- bicolor, Turritella bicolor Adams & L.A. Reeve in L.A. Reeve, 1849 - syn of: Turritella maculata L.A. Reeve, 1849 - (TURRITELLIDAE)
- bicolor, Obliquaria bicolor C.S. Rafinesque, 1831 - syn of: Elliptio dilatata C.S. Rafinesque, 1820 - (UNIONIDAE)
- bicolor, Anodonta bicolor H. Drouët, 1894 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- bicolor, Gongylostomella bicolor C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- bicolor, Petricola bicolor G.B. II Sowerby, 1854 - (VENERIDAE)
- bicolor, Tivela bicolor J.E. Gray, 1838 - (VENERIDAE)
- bicolor, Venus bicolor J.B.P.A. Lamarck, 1818 - syn of: Polititapes aureus (J.F. Gmelin, 1791) - (VENERIDAE)
- bicolor adusta, Carelia bicolor adusta (A.A. Gould) - (AMASTRIDAE)
- bicolor angulata, Carelia bicolor angulata W.H. Pease, 1871 - (AMASTRIDAE)
- bicolor diversicolor, Engina bicolor diversicolor G.S. Coen, 1933 - syn of: Enginella leucozona (R.A. Philippi, 1844) - (BUCCINIDAE)
- bicolor emblema, Notocypraea bicolor emblema T. Iredale, 1931 - syn of: Notocypraea angustata (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- bicolor fuliginea, Carelia bicolor fuliginea (L. Pfeiffer, 1854) - (AMASTRIDAE)
- bicolor fuliginea minor, Carelia bicolor fuliginea minor F. Borcherding - (AMASTRIDAE)
- bicolor fuliginea suturalis, Carelia bicolor fuliginea suturalis C.M.F. Ancey - (AMASTRIDAE)
- bicolor fuliginea zonata, Carelia bicolor fuliginea zonata F. Borcherding - (AMASTRIDAE)
- bicolor hyperleuca, Carelia bicolor hyperleuca H.A. Pilsbry, 1911 - (AMASTRIDAE)
- bicolor inversicolor, Engina bicolor inversicolor G.S. Coen, 1937 - syn of: Enginella leucozona (R.A. Philippi, 1844) - (BUCCINIDAE)
- bicolor lata, Pollia bicolor lata P.M. Pallary, 1917 - syn of: Enginella leucozona (R.A. Philippi, 1844) - (BUCCINIDAE)
- bicolor major, Vermiculatus bicolor major (L. Pfeiffer, 1868) - (BULIMULIDAE)
- bicolor major, Janthina bicolor major T.A. de M. Monterosato, 1878 - syn of: Janthina janthina (C. Linnaeus, 1758) - (JANTHINIDAE)
- bicolor minor, Janthina bicolor minor T.A. de M. Monterosato, 1878 - syn of: Janthina janthina (C. Linnaeus, 1758) - (JANTHINIDAE)
- bicolor rostrata, Venericardia bicolor rostrata É. Lamy, 1922 - syn of: Cardites bicolor (J.B.P.A. Lamarck, 1819) - (CARDITIDAE)
- bicolor subplicata, Duplicaria bicolor subplicata B.C. Cotton, 1976 - syn of: Euterebra tristis (G.P. Deshayes, 1859) - (TEREBRIDAE)
- bicolor tenuis, Vermiculatus bicolor tenuis (L. Pfeiffer, 1868) - (BULIMULIDAE)
- bicolor undaticosta, Parabalea bicolor undaticosta H. Nordsieck, 2010 - (CLAUSILIIDAE)
- bicolorata, Arca bicolorata L.W. Dillwyn, 1817 - syn of: Barbatia amygdalumtostum (P.F. Röding, 1798) - (ARCIDAE)
- bicolorata, Cochlostyla bicolorata (H.C. Lea, 1840) - (BRADYBAENIDAE)
- bicolorata, Ryssota bicolorata G.H. Barnett, 1992 - (CHRONIDAE)
- bicolorata, Melanopsis praemorsa bicolorata F. Paetel, 1888 - (MELANOPSIDAE)
- bicolorata, Nassa bicolorata G.S. Coen, 1933 - syn of: Nassarius nitidus (J.G. Jeffreys, 1867) - (NASSARIIDAE)
- bicolorata, Partula rosea bicolorata H.A. Pilsbry, 1910 - (PARTULIDAE)
- bicolorata, Succinea bicolorata C.M.F. Ancey, 1899 - (SUCCINEIDAE)
- bicolorata, Venus bicolorata L.W. Dillwyn, 1817 - syn of: Circenita varia (P. Forsskål in C. Niebuhr, 1775) - (VENERIDAE)
- bicolorata, Tapes bicolorata L.A. Reeve, 1864 - syn of: Marcia recens (H.S. Holten, 1802) - (VENERIDAE)
- bicolorata amaliae, Cochlostyla bicolorata amaliae O.F. von Möllendorff, 1890 - (BRADYBAENIDAE)
- bicolorata melanacme, Cochlostyla bicolorata melanacme (O.F. von Möllendorff, 1897) - (BRADYBAENIDAE)
- bicolorata subflammulata, Cochlostyla bicolorata subflammulata (O.F. von Möllendorff, 1897) - (BRADYBAENIDAE)
- bicolumellaris, Subulina bicolumellaris E.C. Von Martens, 1895 - (SUBULINIDAE)
- bicolumellata, Vertigo bicolumellata Steklov in Steklov & Tsytovich, 1967 † - (VERTIGINIDAE) (FOSSIL)
- biconcava, Cavellia biconcava (L. Pfeiffer, 1853) - (CHAROPIDAE)
- biconcava, Hirasea biconcava Y. Hirase, 1907 - (ENDODONTIDAE)
- biconcava, Lecanospira biconcava Ulrich & al., 1931 † - (OPHILETIDAE) (FOSSIL)
- biconcava, Amphicoelina biconcava (P.M. Heude, 1882) - (PLECTOPYLIDAE)
- biconcave, Circumstella biconcave S.Y. Feng, 1996 - (LIOTIIDAE)
- biconcavus, Anomphalus biconcavus F. Haas, 1953 † - (ANOMPHALIDAE) (FOSSIL)
- biconcavus, Lyocyclus biconcavus K.H.J. Thiele, 1925 - (LYOCYCLIDAE)
- biconica, Anatoma biconica D.L. Geiger, 2012 - (ANATOMIDAE)
- biconica, Bathytoma biconica C. Hedley, 1903 - syn of: Benthofascis biconica (C. Hedley, 1903) - (BORSONIIDAE)
- biconica, Surcula biconica M.M. Schepman, 1913 - syn of: Anticlinura biconica (M.M. Schepman, 1913) - (CLAVATULIDAE)
- biconica, Seminella biconica K. Monsecour & D. Monsecour, 2016 - (COLUMBELLIDAE)
- biconica, Bathyglypta biconica J. Pelorce, 2017 - (COLUMBELLIDAE)
- biconica, Benthofascis biconica (C. Hedley, 1903) - (CONORBIDAE)
- biconica, Vulpecula biconica R. Murdoch & H.H. Suter, 1906 - syn of: Microvoluta marginata (F.W. Hutton, 1885) - (COSTELLARIIDAE)
- biconica, Crossea biconica C. Hedley, 1902 - (CROSSEOLIDAE)
- biconica, Splendrillia biconica (N.E. Weisbord, 1962) - (DRILLIIDAE)
- biconica, Balcis biconica Gardner, 1948 † - (EULIMIDAE) (FOSSIL)
- biconica, Anacithara biconica Barros, J. Santana & Lima, 2015 - (HORAICLAVIDAE)
- biconica, Trichia biconica L. Eder, 1917 - (HYGROMIIDAE)
- biconica, Brachycythara biconica (C.B. Adams, 1850) - (MANGELIIDAE)
- biconica, Oenopota biconica I.P. Bogdanov, 1989 - (MANGELIIDAE)
- biconica, Anticlinura biconica (M.M. Schepman, 1913) - (MANGELIIDAE)
- biconica, Margarites biconica H. Numanami, 1996 - (MARGARITIDAE)
- biconica, Swainsonia biconica L. Bozzetti, 2011 - (MITRIDAE)
- biconica, Mitra biconica E.R. Sykes, 1911 - syn of: Aphanitoma locardi (A.R.J.B. Bavay, 1906) - (MITRIDAE)
- biconica, Morula biconica (H.M.D. de Blainville, 1832) - (MURICIDAE)
- biconica, Tritonopsis biconica W.H. Dall, 1915 † - (MURICIDAE) (FOSSIL)
- biconica, Habromorula biconica (H.M.D. de Blainville, 1832) - syn of: Morula biconica (H.M.D. de Blainville, 1832) - (MURICIDAE)
- biconica, Acamptodaphne biconica (M.M. Schepman, 1913) - (RAPHITOMIDAE)
- biconica, Pleurotomella biconica M.M. Schepman, 1913 - syn of: Acamptodaphne biconica (M.M. Schepman, 1913) - (RAPHITOMIDAE)
- biconica, Cryptodaphne biconica M.M. Schepman, 1913 - syn of: Acamptodaphne biconica (M.M. Schepman, 1913) - (RAPHITOMIDAE)
- biconica, Streptostyla biconica L. Pfeiffer, 1856 - (SPIRAXIDAE)
- biconica, Melania biconica A. Brot, 1886 - syn of: Sulcospira hainanensis (A. Brot, 1872) - (THIARIDAE)
- biconica, Mauira biconica (H.H. Suter, 1917 †) - (VOLUTIDAE) (FOSSIL)
- biconica alba, Brachycythara biconica alba (C.B. Adams, 1850) - syn of: Brachycythara alba (C.B. Adams, 1850) - (MANGELIIDAE)
- biconicus, Modulus biconicus Gardner, 1947 † - (MODULIDAE) (FOSSIL)
- biconicus, Ocenebra biconicus R. Tate, 1888 † - (MURICIDAE) (FOSSIL)
- biconicus, Teleochilus biconicus C. Hedley, 1903 - syn of: Benthofascis biconica (C. Hedley, 1903) - (RAPHITOMIDAE)
- biconoideum, Discosorus biconoideum A. Thomas, 1915 † - syn of: Kayoceras biconoideum (A. Thomas, 1915 †) - (DISCOSORIDAE) (FOSSIL)
- biconoideum, Kayoceras biconoideum (A. Thomas, 1915 †) - (LOWOCERATIDAE) (FOSSIL)
- biconus, Asthenotoma biconus (F.E. Edwards, 1861 †) - (BORSONIIDAE) (FOSSIL)
- biconus, Lovellona biconus M. Chino & P. Stahlschmidt, 2009 - (MITROMORPHIDAE)
- biconus, Pleurotoma biconus F.E. Edwards, 1861 † - syn of: Asthenotoma biconus (F.E. Edwards, 1861 †) - (TURRIDAE) (FOSSIL)
- biconvexa, Liospira biconvexa Yü, 1961 † - (EOTOMARIIDAE) (FOSSIL)
- biconvexa, Yongkangia biconvexa Yü, 1980 † - (HYDROBIIDAE) (FOSSIL)
- biconvexa, Scalpomactra biconvexa Powell & J.A. Bartrum, 1929 † - (MACTRIDAE) (FOSSIL)
- biconvexa, Diploconula biconvexa E.L. Yochelson, 1956 † - (OMPHALOTROCHIDAE) (FOSSIL)
- biconvexa, Pileopsella biconvexa J. Gründel, Keupp & H.G. Lang, 2015 † - (PILEOLIDAE) (FOSSIL)
- biconvexum, Dzhaprakoceras biconvexum D. Korn & al., 2010 † - (MAXIGONIATITIDAE) (FOSSIL)
- biconvexus, Myadora biconvexus A.W.B. Powell, 1927 - syn of: Barythaerus biconvexus (A.W.B. Powell, 1927) - (MYOCHAMIDAE)
- biconvexus, Auroradiolites biconvexus (Yang & al., 1982 †) - (RADIOLITIDAE) (FOSSIL)
- biconvexus, Praeradiolites biconvexus Yang & al., 1982 † - syn of: Auroradiolites biconvexus (Yang & al., 1982 †) - (RADIOLITIDAE) (FOSSIL)
- biconvexus, Barythaerus biconvexus (A.W.B. Powell, 1927) - (THRACIIDAE)
- biconvexus, Bathythaerus biconvexus B.A. Marshall, 2002 - syn of: Barythaerus biconvexus (A.W.B. Powell, 1927) - (THRACIIDAE)
- Bicorbula, Genus Bicorbula Fischer, 1887 (CORBULIDAE) (FOSSIL)
- bicorda, Heterocoptis bicorda C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- bicordatum, Bathybuccinum bicordatum A.N. Golikov & B.I. Sirenko, 1988 - (BUCCINIDAE)
- Bicorempterus, Genus Bicorempterus Grόndel, 2001 (APORRHAIDAE) (FOSSIL)
- bicorne, Ceratosoma bicorne L.S.R. Bergh, 1905 - syn of: Ceratosoma tenue F.D. Abraham, 1876 - (CHROMODORIDIDAE)
- Bicornia, syn of: Genus Kuphus J.Ι. Guettard, 1770 (TEREDINIDAE)
- bicorniculata, Teredo bicorniculata G.F. Roch, 1935 - syn of: Teredo fulleri W.F. Clapp, 1924 - (TEREDINIDAE)
- bicornis, Arcestes bicornis (J. Von Hauer, 1860 †) - (ARCESTIDAE) (FOSSIL)
- bicornis, Diacavolinia bicornis S. Van Der Spoel, P. Bleeker & H. Kobayasi, 1993 - (CAVOLINIIDAE)
- bicornis, Chama bicornis C. Linnaeus, 1758 - (CHAMIDAE)
- bicornis, Muracypraea mus bicornis (G.B. III Sowerby, 1870) - (CYPRAEIDAE)
- bicornis, Mitra bicornis C.R. Laws, 1936 - syn of: Peculator hedleyi (R. Murdoch, 1905) - (MITRIDAE)
- bicornis, Condylonucula bicornis (S. Gofas & C. Salas, 1996) - (NUCULIDAE)
- bicornis, Anticlimax bicornis F. Rubio & E. Rolán, 2014 - (TORNIDAE)
- bicornis, Peculator bicornis C.R. Laws, 1936 - syn of: Peculator hedleyi (R. Murdoch, 1905) - (VOLUTOMITRIDAE)
- Bicornucopina, Genus Bicornucopina Hofmann, 1912 (MONOPLEURIDAE) (FOSSIL)
- bicornuta, Daedalochila uvulifera bicornuta H.A. Pilsbry, 1900 - (POLYGYRIDAE)
- bicornutum, Gastropteron bicornutum K. Baba & T. Tokioka, 1965 - (GASTROPTERIDAE)
- bicorona, Thanetinassa bicorona (Melleville, 1843 †) - (NASSARIIDAE) (FOSSIL)
- bicorona, Seguenziopsis bicorona B.A. Marshall, 1983 - (SEGUENZIIDAE)
- bicorona, Gemmaterebra bicorona (F.W. Hutton, 1885 †) - (TEREBRIDAE) (FOSSIL)
- bicorona, Athleta bicorona (J.B.P.A. Lamarck, 1802 †) - (VOLUTIDAE) (FOSSIL)
- bicoronata, Semicassis bicoronata (A.H.E. Beyrich, 1854 †) - (CASSIDAE) (FOSSIL)
- bicoronata, Ulungaratoconcha bicoronata (Paeckelmann, 1922 †) - (CHEENEETNUKIIDAE) (FOSSIL)
- bicoronata, Diplommatina bicoronata E.C. Von Martens, 1884 - (DIPLOMMATINIDAE)
- bicoronata, Melanopsis bicoronata Š. Brusina, 1884 † - (MELANOPSIDAE) (FOSSIL)
- bicoronata, Murchisonia bicoronata Paeckelmann, 1922 † - syn of: Ulungaratoconcha bicoronata (Paeckelmann, 1922 †) - (MURCHISONIIDAE) (FOSSIL)
- bicoronata, Brotia melanioides bicoronata Staadt in A.E.M. Cossmann, 1913 † - (PACHYCHILIDAE) (FOSSIL)
- bicoronata, Pleurotomaria bicoronata C.L.F. von Sandberger & C.L.F. von Sandberger, 1855 † - (PLEUROTOMARIIDAE) (FOSSIL)
- bicoronata praetervisa, Diplommatina bicoronata praetervisa J.J. Vermeulen, 1993 - (DIPLOMMATINIDAE)
- bicoronatus, Hemiconus bicoronatus (Melleville, 1843 †) - (CONIDAE) (FOSSIL)
- bicoronatus, Lamellitrochus bicoronatus J.F. Quinn, 1991 - (SOLARIELLIDAE)
- bicors, Tegillarca bicors (I.H. Jonas in Philipp, 1845) - (ARCIDAE)
- bicostalis, Purpura bicostalis J.B.P.A. Lamarck, 1816 - syn of: Stramonita biserialis (H.M.D. de Blainville, 1832) - (MURICIDAE)
- bicostalis, Crenatula bicostalis J.B.P.A. Lamarck, 1819 - syn of: Crenatula picta (J.F. Gmelin, 1791) - (PTERIIDAE)
- bicostata, Obliquatheca bicostata (Missarzehevsky in Rozanov & al., 1969 †) - (ALLATHECIDAE) (FOSSIL)
- bicostata, Margarites bicostata J.H. McLean, 1964 - syn of: Lirularia bicostata (J.H. McLean, 1964) - (MARGARITIDAE)
- bicostata, Leda bicostata G.B. II Sowerby, 1871 - syn of: Saccella elenensis bicostata (G.B. II Sowerby, 1871) - (NUCULANIDAE)
- bicostata, Saccella elenensis bicostata (G.B. II Sowerby, 1871) - (NUCULANIDAE)
- bicostata, Bonarellia bicostata Stahl, 1824 † - (OPPELIIDAE) (FOSSIL)
- bicostata, Trapezotheca bicostata Rozanov & al., 1969 † - (ORTHOTHECIDAE) (FOSSIL)
- bicostata, Platyclymenia bicostata Wedekind, 1914 † - syn of: Platyclymenia annulata (G.G. Münster, 1832 †) - (PLATYCLYMENIIDAE) (FOSSIL)
- bicostata, Lirularia bicostata (J.H. McLean, 1964) - (TROCHIDAE)
- bicostata, Turritella bicostata Ilovaisky, 1904 † - syn of: Gordenella krantzi (Rouillier, 1848 †) - (TURRITELLIDAE) (FOSSIL)
- bicostata, Margarya bicostata S. Tchang & C.Y. Tsi, 1949 - (VIVIPARIDAE)
- bicostatum, Buccinum bicostatum J.G. Bruguière, 1789 - syn of: Haustrum lacunosum (J.G. Bruguière, 1789) - (BUCCINIDAE)
- bicostatum, Liroceras bicostatum W.J. Gordon, 1964 † - (LIROCERATIDAE) (FOSSIL)
- bicostatum, Salinites bicostatum Chudoley & Furrazola, 1968 † - (OPPELIIDAE) (FOSSIL)
- bicostatum, Distichoceras bicostatum Stahl, 1824 † - syn of: Bonarellia bicostata Stahl, 1824 † - (OPPELIIDAE) (FOSSIL)
- bicostatum, Protancyloceras bicostatum Arnould-Saget, 1953 † - (PROTANCYLOCERATIDAE) (FOSSIL)
- bicostatum, Eulomacoceras bicostatum J.K. Zhao & al., 1978 † - (TAINOCERATIDAE) (FOSSIL)
- bicostatum, Truyolsoceras bicostatum (J.W. Hall, 1843 †) - (TORNOCERATIDAE) (FOSSIL)
- bicostatus, Chiton bicostatus D'Orbigny, 1841 - syn of: Callistochiton pulchellus (J.E. Gray, 1828) - (CHITONIDAE)
- bicostatus, Kitikamispira bicostatus (F.A. Roemer, 1855 †) - (EUOMPHALOIDEA (UNASSIGNED)) (FOSSIL)
- bicostatus, Goniatites bicostatus J.W. Hall, 1843 † - syn of: Truyolsoceras bicostatum (J.W. Hall, 1843 †) - (GONIATITIDAE) (FOSSIL)
- bicostatus, Turbo bicostatus F.A. Roemer, 1855 † - syn of: Kitikamispira bicostatus (F.A. Roemer, 1855 †) - (TURBINIDAE) (FOSSIL)
- bicostulatum, Cochlostoma bicostulatum (S. Gofas, 1989) - (COCHLOSTOMATIDAE)
- bicrenatus, Chamalycaeus bicrenatus (H.H. Godwin-Austen, 1874) - (CYCLOPHORIDAE)
- bicrenatus, Cyrtopleurites bicrenatus (J. Von Hauer, 1846 †) - (TIBETITIDAE) (FOSSIL)
- Bicrenucula, Genus Bicrenucula Zhang, 1984 (NUCULIDA (UNASSIGNED)) (FOSSIL)
- Bicrenula, Genus Bicrenula (NUCULIDA (UNASSIGNED)) (FOSSIL)
- bicrenulata, Microdoma bicrenulata de Koninck, 1883 † - (MICRODOMATIDAE) (FOSSIL)
- bicrepida, Schwartziella bicrepida (N.E. Weisbord, 1962 †) - (ZEBINIDAE) (FOSSIL)
- bicristata, Idyla bicristata (E.A. Rossmässler, 1839) - (CLAUSILIIDAE)
- bicristata, Hydrobia bicristata Simionescu & Barbu, 1940 † - (HYDROBIIDAE) (FOSSIL)
- bicristata, Lucina bicristata A.E.M. Cossmann, 1887 † - (LUCINIDAE) (FOSSIL)
- bicristata, Murex bicristata A. Risso, 1826 - syn of: Ocenebra erinaceus (C. Linnaeus, 1758) - (MURICIDAE)
- bicristata, Raphitoma costellata bicristata A.E.M. Cossmann & G. Pissarro, 1913 † - (RAPHITOMIDAE) (FOSSIL)
- bicristata, Satondella bicristata D.L. Geiger & B.A. Marshall, 2012 - (SCISSURELLIDAE)
- bicristata acuticosta, Idyla bicristata acuticosta W.A. Fauer, 1993 - (CLAUSILIIDAE)
- bicristata aydinensis, Idyla bicristata aydinensis A. Örstan, 2007 - (CLAUSILIIDAE)
- bicristata bicolor, Idyla bicristata bicolor (L. Pfeiffer, 1846) - (CLAUSILIIDAE)
- bicristata bourguignati, Idyla bicristata bourguignati (J.G.F. de Charpentier, 1852) - (CLAUSILIIDAE)
- bicristata eustropha, Idyla bicristata eustropha (A.J. Wagner, 1914) - (CLAUSILIIDAE)
- bicristata kephissiae, Idyla bicristata kephissiae (J.R. Roth, 1856) - (CLAUSILIIDAE)
- bicristata oxystoma, Idyla bicristata oxystoma (E.A. Rossmässler, 1839) - (CLAUSILIIDAE)
- bicristata pelobsoleta, Idyla bicristata pelobsoleta E. Gittenberger, 1993 - (CLAUSILIIDAE)
- bicristata pikermiana, Idyla bicristata pikermiana (J.R. Roth, 1856) - (CLAUSILIIDAE)
- bicristata pindica, Idyla bicristata pindica (O. Böttger, 1886) - (CLAUSILIIDAE)
- bicristata rothi, Idyla bicristata rothi (L. Pfeiffer, 1856) - (CLAUSILIIDAE)
- bicristata sporadica, Idyla bicristata sporadica (O. Böttger, 1889) - (CLAUSILIIDAE)
- bicruris, Helix bicruris L. Pfeiffer, 1857 - syn of: Linisia bicruris (L. Pfeiffer, 1857) - (HELICIDAE)
- bicruris, Linisia bicruris (L. Pfeiffer, 1857) - (POLYGYRIDAE)
- bicruris insculpta, Linisia bicruris insculpta H.A. Pilsbry, 1956 - (POLYGYRIDAE)
- Bicuerda, Genus Bicuerda Kues & Batten, 2001 (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- Biculteriala, Genus Biculteriala Kollmann, 2009 (APORRHAIDAE) (FOSSIL)
- bicultratus, Trochacanthus bicultratus (A.V.M.D. D'Orbigny, 1843 †) - (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- bicuneata, Atrina bicuneata Nomland, 1917 † - (PINNIDAE) (FOSSIL)
- bicurtum, Cerithium bicurtum T.A. de M. Monterosato in P.M. Pallary, 1910 - syn of: Cerithium vulgatum J.G. Bruguière, 1792 - (CERITHIIDAE)
- bicurvata, Cyrtospira bicurvata Ulrich & Scofield, 1897 † - (SUBULITIDAE) (FOSSIL)
- bicuspidata, Montacuta bicuspidata Aldrich 1921 † - (MONTACUTIDAE) (FOSSIL)
- bicuspidata, Nuculana bicuspidata (A.A. Gould, 1845) - (NUCULANIDAE)
- bicuspidata, Nucula bicuspidata A.A. Gould, 1845 - syn of: Nuculana bicuspidata (A.A. Gould, 1845) - (NUCULIDAE)
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