- baoi, Amphidromus baoi Thach, 2017 - (CAMAENIDAE)
- baolocensis, Amphidromus baolocensis Thach & Huber, 2016 - (CAMAENIDAE)
- baoshanensis, Koenenites baoshanensis Yang, 1984 † - (KOENENITIDAE) (FOSSIL)
- baoshoensis, Meghimatium baoshoensis C.L. Tsai, C.C. Lu & H.V. Kao, 2011 - (PHILOMYCIDAE)
- Baphia, syn of: Genus Margaritifera H.C.F. Schumacher, 1816 (MARGARITIFERIDAE)
- Baphia, syn of: Genus Vulsella P.F. Rφding, 1798 (PTERIIDAE)
- baphica, Aegista baphica (J.F. Mabille, 1888) - (BRADYBAENIDAE)
- bapingensis, Zeravschanella bapingensis Ruan & Mu, 1989 † - (PARANOWAKIIDAE) (FOSSIL)
- baptistini, Salassia baptistini E. Saurin, 1959 - (PYRAMIDELLIDAE)
- baptocephalus, Fuscapex baptocephalus (P. Dautzenberg & H. Fischer, 1896) - (EULIMIDAE)
- Baptodoris, Genus Baptodoris L.S.R. Bergh, 1884 (DISCODORIDIDAE)
- baptos, Anchura baptos Elder & Saul, 1996 † - (APORRHAIDAE) (FOSSIL)
- Bapuia, Genus Bapuia H.H. Godwin-Austen, 1918 (ARIOPHANTIDAE)
- baquei, Damaisiceras baquei J.J. Vermeulen & al., 2012 † - (CRIOCERATITIDAE) (FOSSIL)
- Baqueina, Genus Baqueina Vermeulen & al., 2010 (ANAHAMULINIDAE) (FOSSIL)
- baquieana, Fadyenia baquieana (E. Chitty, 1857) - (HELICINIDAE)
- baquieana, Urocoptis baquieana E. Chitty, 1855 - (UROCOPTIDAE)
- baquieana pudica, Urocoptis baquieana pudica H.A. Pilsbry & P.W. Jarvis, 1903 - syn of: Urocoptis baquieana E. Chitty, 1855 - (UROCOPTIDAE)
- barabini, Cataceramus barabini (Morton 1834) † - (INOCERAMIDAE) (FOSSIL)
- baraboshkini, Ataphrus baraboshkini Gerasimov, 1992 † - (ATAPHRIDAE) (FOSSIL)
- barabuensis, Ellsworthoconus barabuensis (R.P. Whitfield, 1878 †) - (SCENELLIDAE) (FOSSIL)
- barabuensis, Tryblidium barabuensis Angelin & Lindström 1880 † - (TRYBLIDIIDAE) (FOSSIL)
- baraceus, Unio baraceus L. de Joannis, 1859 - syn of: Unio arcuatus N.R. Bouchard-Chantereaux, 1838 - (UNIONIDAE)
- baracoensis, Acteon baracoensis J. Espinosa & J.A. Ortea, 2014 - (ACTEONIDAE)
- baracoensis, Zachrysia baracoensis (F. Poey, 1857) - (CAMAENIDAE)
- baracoensis, Wrightudora garridoiana baracoensis (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- baracoensis, Chondropoma chordatum baracoensis (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- baracoensis, Brachypodella baracoensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- baraggiai, Joculator baraggiai A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- barahonense, Chondropoma swifti barahonense P. Bartsch, 1946 - (POMATIIDAE)
- baraiensis, Sverdrupites baraiensis Kutygin, 1996 † - (SPIROLEGOCERATIDAE) (FOSSIL)
- Baraioceras, syn of: Genus Paragastrioceras Tchernow , 1907 (PARAGASTRIOCERATIDAE) (FOSSIL)
- barajensis, Praekolymia barajensis A.G. Kuznetsov & Biakov, 2014 † - (KOLYMIIDAE) (FOSSIL)
- barakai, Haminaea barakai Abbass, 1967 † - (HAMINOEIDAE) (FOSSIL)
- barakati, Tudicla barakati Abbass, 1967 † - (TURBINELLIDAE) (FOSSIL)
- barakovici, Theodoxus barakovici (Š. Brusina, 1902 †) - (NERITIDAE) (FOSSIL)
- baramensis, Everettia baramensis E.A. Smith, 1895 - (DYAKIIDAE)
- barandae, Cyclophorus barandae J.G. Hidalgo, 1887 - (CYCLOPHORIDAE)
- barandae, Gafrarium barandae (J.G. Hidalgo, 1885) - (VENERIDAE)
- baranguillanus, Drymaeus baranguillanus (L. Pfeiffer, 1853) - (BULIMULIDAE)
- baranoanus, Gordanops baranoanus (Anderson, 1929 †) - (NASSARIIDAE) (FOSSIL)
- baranoanus, Phos baranoanus Anderson, 1929 † - syn of: Gordanops baranoanus (Anderson, 1929 †) - (NASSARIIDAE) (FOSSIL)
- baranoffensis, Odostomia baranoffensis W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- baranovi, Bamyaniceras baranovi (Tumanskaya, 1949 †) - (MEDLICOTTIIDAE) (FOSSIL)
- barashi, Mangelia barashi (J.J. Van Aartsen & M.C. Fehr-de Wal, 1978) - (MANGELIIDAE)
- barashi, Gymnotoplax barashi Ev. Marcus, 1977 - syn of: Pleurobranchus membranaceus (G. Montagu, 1815) - (PLEUROBRANCHIDAE)
- barashi, Leucosyrinx barashi F. Nordsieck, 1982 - (PSEUDOMELATOMIDAE)
- barashi, Auristomia barashi (C. Bogi & B.S. Galil, 2000) - (PYRAMIDELLIDAE)
- barashi, Odostomia barashi C. Bogi & B.S. Galil, 2000 - syn of: Auristomia barashi (C. Bogi & B.S. Galil, 2000) - (PYRAMIDELLIDAE)
- barashi, Ringicula conformis barashi S.I. Di Geronimo, 1975 - (RINGICULIDAE)
- barashi, Graphis barashi J.J. Van Aartsen, 2002 - (TOFANELLIDAE)
- barashi, Timoclea barashi E. Fischer-Piette, 1974 - syn of: Timoclea hypopta (R. Sturany, 1899) - (VENERIDAE)
- baratariae, Corambella baratariae H.W. Harry, 1953 - syn of: Corambe obscura (A.E. Verrill, 1870) - (ONCHIDORIDIDAE)
- barathrum, Conus barathrum P.F. Röding, 1798 - syn of: Chelyconus ermineus (I. von Born, 1778) - (CONIDAE)
- baratteroi, Ivaldiceras baratteroi Delanoy & al., 2010 † - (MACROSCAPHITIDAE) (FOSSIL)
- barattinii, Adelomelon barattinii M.A. Klappenbach & E.H. Ureta, 1966 - syn of: Adelomelon ancilla barattinii M.A. Klappenbach & E.H. Ureta, 1966 - (VOLUTIDAE)
- barattinii, Adelomelon ancilla barattinii M.A. Klappenbach & E.H. Ureta, 1966 - (VOLUTIDAE)
- barazeri, Profundiconus barazeri M.J. Tenorio & Castelin, 2016 - (CONIDAE)
- barazeri, Alisimitra barazeri A.E. Fedosov, M. Herrmann & P. Bouchet, 2017 - (COSTELLARIIDAE)
- barazeri, Gregorioiscala barazeri E.F. Garcia, 2004 - (EPITONIIDAE)
- barazeri, Turbonilla barazeri A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- barba, Metis barba A.A. Olsson, 1922 † - (TELLINIDAE) (FOSSIL)
- barba wiedenmayeri, Metis barba wiedenmayeri F. Hodson, 1931 † - (TELLINIDAE) (FOSSIL)
- Barbacyclus, Genus Barbacyclus P. Bartsch & J.P.E. Morrison, 1942 (NEOCYCLOTIDAE)
- Barbacylotus, Genus Barbacylotus P. Bartsch, 1942 (CYCLOPHORIDAE)
- barbadense, Melampus barbadense P.F. Röding, 1798 - syn of: Melampus coffea (C. Linnaeus, 1758) - (ELLOBIIDAE)
- barbadense, Ellobium barbadense P.F. Röding, 1798 - syn of: Melampus coffea (C. Linnaeus, 1758) - (ELLOBIIDAE)
- barbadensis, Arca barbadensis D'Orbigny in R. de la Sagra, 1853 - syn of: Arca zebra (W.J. Swainson, 1833) - (ARCIDAE)
- barbadensis, Bulimulus barbadensis L. Pfeiffer, 1853 - syn of: Bulimulus fuscus (L. Guilding, 1828.) - (BULIMULIDAE)
- barbadensis, Euchelus barbadensis W.H. Dall, 1927 - (CHILODONTIDAE)
- barbadensis, Columbella barbadensis D'Orbigny, 1845 - syn of: Columbella rustica (C. Linnaeus, 1758) - (COLUMBELLIDAE)
- barbadensis, Cryptoconus barbadensis Trechmann, 1925 † - (CONIDAE) (FOSSIL)
- barbadensis, Conus barbadensis C.H. Hwass in J.G. Bruguière, 1792 - syn of: Miliariconus miliaris (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- barbadensis, Propustularia barbadensis F.A. Schilder, 1941 - syn of: Propustularia surinamensis (Perry, 1811) - (CYPRAEIDAE)
- barbadensis, Luria barbadensis A.H. Verrill, 1948 - syn of: Luria cinerea (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- barbadensis, Bellaspira barbadensis P.J. Fallon, 2016 - (DRILLIIDAE)
- barbadensis, Drillia barbadensis P. Bartsch, 1943 - syn of: Drillia cydia barbadensis P. Bartsch, 1943 - (DRILLIIDAE)
- barbadensis, Drillia cydia barbadensis P. Bartsch, 1943 - (DRILLIIDAE)
- barbadensis, Opalia barbadensis M.E.A. de Boury, 1913 - syn of: Opalia morchiana W.H. Dall, 1889 - (EPITONIIDAE)
- barbadensis, Pyramidelloides barbadensis R.G. Moolenbeek & M.J. Faber, 1992 - (EULIMIDAE)
- barbadensis, Fissurella barbadensis (J.F. Gmelin, 1791) - (FISSURELLIDAE)
- barbadensis, Fissurella barbadensis H.A. Pilsbry, 1890 - syn of: Fissurella barbadensis (J.F. Gmelin, 1791) - (FISSURELLIDAE)
- barbadensis, Gastrocopta barbadensis (L. Pfeiffer, 1853) - (GASTROCOPTIDAE)
- barbadensis, Bornia barbadensis W.H. Dall, 1889 - (KELLIIDAE)
- barbadensis, Mathilda barbadensis W.H. Dall, 1889 - (MATHILDIDAE)
- barbadensis, Mitra barbadensis (J.F. Gmelin, 1791) - (MITRIDAE)
- barbadensis, Mysella barbadensis (W.H. Dall, 1899) - (MONTACUTIDAE)
- barbadensis, Trituba barbadensis (H.E. Coomans & M.J. Faber, 1984) - (NEWTONIELLIDAE)
- barbadensis, Oliva barbadensis E.J. Petuch & D.M. Sargent, 1986 - (OLIVIDAE)
- barbadensis, Pleurodonte barbadensis J.B.P.A. Lamarck - (PLEURODONTIDAE)
- barbadensis, Plicatula barbadensis D'Orbigny, 1846 - syn of: Plicatula gibbosa J.B.P.A. Lamarck, 1801 - (PLICATULIDAE)
- barbadensis, Daphnella barbadensis G.W. Nowell-Usticke, 1971 - syn of: Daphnella lymneiformis W.P. Woodring, 1928 - (RAPHITOMIDAE)
- barbadensis, Tenagodus barbadensis R. Bieler, 2004 - (SILIQUARIIDAE)
- barbadensis, Eupera barbadensis (T. Prime, 1861) - (SPHAERIIDAE)
- barbadensis, Oxyloma barbadensis (L. Guilding, 1828) - (SUCCINEIDAE)
- barbadensis, Thersitea barbadensis C.T. Trechmann, 1925 † - (THERSITEIDAE) (FOSSIL)
- barbadensis, Triphora barbadensis H.E. Coomans & M.J. Faber, 1984 - syn of: Trituba barbadensis (H.E. Coomans & M.J. Faber, 1984) - (TRIPHORIDAE)
- barbadensis, Truncatella barbadensis L. Pfeiffer, 1856 - (TRUNCATELLIDAE)
- barbadensis, Pseudopineria barbadensis O. Kraus, 1996 - (UROCOPTIDAE)
- barbadensis santomensis, Mitra barbadensis santomensis V. Félix-Alves & D. Fernandez, 1989 - syn of: Mitra barbadensis saotomensis V. Félix-Alves & D. Fernandez, 1989 - (MITRIDAE)
- barbadensis saotomensis, Mitra barbadensis saotomensis V. Félix-Alves & D. Fernandez, 1989 - (MITRIDAE)
- barbadensis striatula, Mitra barbadensis striatula (J.S. Schröter, 1804) - (MITRIDAE)
- barbadiana, Cuthona barbadiana M. Edmunds & H. Just, 1983 - (FIONIDAE)
- barbadoides, Mangelia barbadoides J. Gardner, 1938 † - (MANGELIIDAE) (FOSSIL)
- barbadoides, Cythara barbadoides Gardner, 1938 † - syn of: Mangelia barbadoides J. Gardner, 1938 † - (MANGELIIDAE) (FOSSIL)
- barbajovis, Barbatia barbajovis J.B.G.M. Bory De Saint-Vincent, 1827 - syn of: Barbatia lacerata (C. Linnaeus, 1758) - (ARCIDAE)
- Barbala, syn of: Genus Cristaria H.C.F. Schumacher, 1817 (UNIONIDAE)
- barbara, Maurea barbara J. Marwick, 1942 † - (CALLIOSTOMATIDAE) (FOSSIL)
- barbara, Cochlicella barbara (C. Linnaeus, 1758) - (COCHLICELLIDAE)
- barbara, Columbella barbara K.H.J. Thiele, 1925 - syn of: Charitodoron barbara (K.H.J. Thiele, 1925) - (COLUMBELLIDAE)
- barbara, Conus barbara J.W. Brazier, 1898 - syn of: Pionoconus monachus (C. Linnaeus, 1758) - (CONIDAE)
- barbara, Cucullastis barbara Finlay & J. Marwick, 1937 † - (CUCULLAEIDAE) (FOSSIL)
- barbara, Charitodoron barbara (K.H.J. Thiele, 1925) - (MITRIDAE)
- barbara, Scutellastra barbara (C. Linnaeus, 1758) - (PATELLIDAE)
- barbara, Patella barbara C. Linnaeus, 1758 - syn of: Scutellastra barbara (C. Linnaeus, 1758) - (PATELLIDAE)
- barbara, Patella barbara H.A. Pilsbry, 1891 - syn of: Scutellastra barbara (C. Linnaeus, 1758) - (PATELLIDAE)
- barbara, Alvania barbara A.W. Grabau & S.G. King, 1929 - syn of: Rissoina barbara (A.W. Grabau & S.G. King, 1929) - (RISSOIDAE)
- barbara, Rissoina barbara (A.W. Grabau & S.G. King, 1929) - (RISSOINIDAE)
- barbara, Gibbula barbara T.A. de M. Monterosato, 1884 - syn of: Gibbula ardens (C.U.A. von Salis-Marschlins, 1793) - (TROCHIDAE)
- barbara minor, Gibbula barbara minor P.M. Pallary, 1938 - syn of: Gibbula ardens (C.U.A. von Salis-Marschlins, 1793) - (TROCHIDAE)
- barbara ovalis, Patella barbara ovalis H.A. Pilsbry, 1891 - syn of: Scutellastra barbara (C. Linnaeus, 1758) - (PATELLIDAE)
- barbara pyramidata, Gibbula barbara pyramidata P.M. Pallary, 1906 - syn of: Gibbula ardens (C.U.A. von Salis-Marschlins, 1793) - (TROCHIDAE)
- barbarabugeae, Gregoia barbarabugeae Fehse, 2017 - (TRIVIIDAE)
- barbarae, Mendax barbarae Cecalupo & Perugia, 2017 - (CERITHIOPSIDAE)
- barbarae, Clymenia barbarae Loewinson-Lessing, 1892 † - syn of: Cymaclymenia barbarae (Loewinson-Lessing, 1892 †) - (CLYMENIIDAE) (FOSSIL)
- barbarae, Cymaclymenia barbarae (Loewinson-Lessing, 1892 †) - (CYMACLYMENIIDAE) (FOSSIL)
- barbarae, Hematites barbarae Flower & W.J. Gordon, 1959 † - (HEMATITIDAE) (FOSSIL)
- barbarae, Brachycythara barbarae W.G. Lyons, 1972 - (MANGELIIDAE)
- barbarae, Nipponotrophon barbarae Houart & Héros, 2016 - (MURICIDAE)
- barbarae, Favartia barbarae E.H. Vokes, 1994 - (MURICIDAE)
- barbarae, Semele barbarae (C.E. Boone, 1928) - (SEMELIDAE)
- barbarae, Tellina barbarae C.E. Boone, 1928 - syn of: Semele barbarae (C.E. Boone, 1928) - (TELLINIDAE)
- barbarajeanae, Crossata barbarajeanae C. L. Powell & Berschauer, 2017 - (BURSIDAE)
- Barbarca, Subgenus Calloarca (Barbarca) W.H. Dall, P. Bartsch & H.A. Rehder, 1938 (ARCIDAE)
- barbarensis, Borsonella barbarensis W.H. Dall, 1919 - (BORSONIIDAE)
- barbarensis, Cyclocardia barbarensis R.E.C. Stearns, 1890 - (CARDITIDAE)
- barbarensis, Alabina barbarensis P. Bartsch, 1911 - syn of: Finella barbarensis (P. Bartsch, 1911) - (CERITHIIDAE)
- barbarensis, Fusinus barbarensis (J.B. Trask, 1855) - (FASCIOLARIIDAE)
- barbarensis, Fusus barbarensis J.B. Trask, 1855 - syn of: Fusinus barbarensis (J.B. Trask, 1855) - (FASCIOLARIIDAE)
- barbarensis, Mangelia barbarensis I.M. Oldroyd, 1924 - syn of: Kurtziella plumbea (R.B. Hinds, 1843) - (MANGELIIDAE)
- barbarensis, Murex barbarensis W.M. Gabb, 1865 - syn of: Ocinebrina foveolata (R.B. Hinds, 1844) - (MURICIDAE)
- barbarensis, Simnia barbarensis W.H. Dall, 1892 - (OVULIDAE)
- barbarensis, Janolus barbarensis (J.G. Cooper, 1863) - (PROCTONOTIDAE)
- barbarensis, Cyclopecten barbarensis G. Grau, 1959 - (PROPEAMUSSIIDAE)
- barbarensis, Finella barbarensis (P. Bartsch, 1911) - (SCALIOLIDAE)
- barbarensis, Thyasira barbarensis (W.H. Dall, 1890) - (THYASIRIDAE)
- barbarensis, Pachypoma barbarensis W.H. Dall, 1919 - (TURBINIDAE)
- barbarensis arnoldi, Fusinus barbarensis arnoldi A.E.M. Cossmann, 1903 - (FASCIOLARIIDAE)
- barbarinum, Epitonium barbarinum W.H. Dall, 1919 - syn of: Epitonium angulatum T. Say, 1831 - (EPITONIIDAE)
- barbarinus, Colus barbarinus W.H. Dall, 1919 - (BUCCINIDAE)
- Barbarofusus, syn of: Genus Fusinus C.S. Rafinesque, 1815 (FASCIOLARIIDAE)
- barbarossae, Nicomedites barbarossae F. Toula, 1896 † - (BEYRICHITIDAE) (FOSSIL)
- barbarossai, Nassarius barbarossai B.M. Landau & al., 2013 † - (NASSARIIDAE) (FOSSIL)
- barbarus, Tandonia barbarus J.F. Mabille, 1869 - syn of: Tandonia sowerbyi (A.E.J. Férussac, 1823) - (MILACIDAE)
- barbascoana, Torquifer barbascoana Gibson-Smith, 1983 † - (MELONGENIDAE) (FOSSIL)
- barbascoensis, Polygona barbascoensis B.M. Landau & G.J. Vermeij, 2012 † - (FASCIOLARIIDAE) (FOSSIL)
- barbata, Barbatia barbata (C. Linnaeus, 1758) - (ARCIDAE)
- barbata, Canariella barbata A.E.J. Férussac & G.P. Deshayes, 1832 - syn of: Canariella hispidula (J.B.P.A. Lamarck, 1822) - (CANARIELLIDAE)
- barbata, Japonia barbata (L. Pfeiffer, 1855) - (CYCLOPHORIDAE)
- barbata, Lindholmiola barbata (A.E.J. Férussac, 1821) - (HELICODONTIDAE)
- barbata, Gregariella barbata (L.A. Reeve, 1858) - (MYTILIDAE)
- barbata, Modiolaria barbata G.F. Angas, 1868 - syn of: Gregariella barbata (L.A. Reeve, 1858) - (MYTILIDAE)
- barbata, Oreohelix barbata H.A. Pilsbry, 1905 - (OREOHELICIDAE)
- barbata, Patella barbata J.B.P.A. Lamarck, 1819 - syn of: Scutellastra barbara (C. Linnaeus, 1758) - (PATELLIDAE)
- barbata, Philobrya barbata K.H.J. Thiele, 1912 - (PHILOBRYIDAE)
- barbata, Pholas barbata G.S. Poli, 1795 - syn of: Hiatella arctica (C. Linnaeus, 1767) - (PHOLADIDAE)
- barbata, Polygyra barbata W.F. Clapp, 1904 - (POLYGYRIDAE)
- barbata, Pinctada barbata L.A. Reeve, 1857 - syn of: Pinctada mazatlanica S.C.T. Hanley, 1855 - (PTERIIDAE)
- Barbata, syn of: Genus Cristaria H.C.F. Schumacher, 1817 (UNIONIDAE)
- barbata brevis, Modiola barbata brevis P.M. Pallary, 1900 - syn of: Modiolus barbatus (C. Linnaeus, 1758) - (MYTILIDAE)
- barbata brunnea, Modiola barbata brunnea M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1890 - syn of: Modiolus barbatus (C. Linnaeus, 1758) - (MYTILIDAE)
- barbata contracta, Arca barbata contracta M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1891 - syn of: Barbatia barbata (C. Linnaeus, 1758) - (ARCIDAE)
- barbata curvata, Modiola barbata curvata É.A.A. Locard, 1888 - syn of: Modiolus barbatus (C. Linnaeus, 1758) - (MYTILIDAE)
- barbata elongata, Arca barbata elongata M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1891 - syn of: Barbatia barbata (C. Linnaeus, 1758) - (ARCIDAE)
- barbata elongata, Modiola barbata elongata P.M. Pallary, 1912 - syn of: Modiolus barbatus (C. Linnaeus, 1758) - (MYTILIDAE)
- barbata expansa, Arca barbata expansa M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1891 - syn of: Barbatia barbata (C. Linnaeus, 1758) - (ARCIDAE)
- barbata ferruginea, Modiola barbata ferruginea É.A.A. Locard, 1888 - syn of: Modiolus barbatus (C. Linnaeus, 1758) - (MYTILIDAE)
- barbata fusca, Modiola barbata fusca É.A.A. Locard, 1888 - syn of: Modiolus barbatus (C. Linnaeus, 1758) - (MYTILIDAE)
- barbata luteola, Modiola barbata luteola É.A.A. Locard, 1888 - syn of: Modiolus barbatus (C. Linnaeus, 1758) - (MYTILIDAE)
- barbata major, Modiola barbata major M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1890 - syn of: Modiolus barbatus (C. Linnaeus, 1758) - (MYTILIDAE)
- barbata metcalfei, Japonia barbata metcalfei (A. Issel, 1874) - (CYCLOPHORIDAE)
- barbata rosea, Modiola barbata rosea É.A.A. Locard, 1888 - syn of: Modiolus barbatus (C. Linnaeus, 1758) - (MYTILIDAE)
- barbata rubra, Modiola barbata rubra M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1890 - syn of: Modiolus barbatus (C. Linnaeus, 1758) - (MYTILIDAE)
- barbata scabra, Modiola barbata scabra M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1890 - syn of: Modiolus barbatus (C. Linnaeus, 1758) - (MYTILIDAE)
- barbata subnigra, Modiola barbata subnigra É.A.A. Locard, 1888 - syn of: Modiolus barbatus (C. Linnaeus, 1758) - (MYTILIDAE)
- barbatella, Gregariella barbatella F.J. Cantraine, 1835 - syn of: Gregariella petagnae (A. Scacchi, 1832) - (MYTILIDAE)
- Barbatia, Genus Barbatia J.E. Gray, 1847 (ARCIDAE)
- barbatiaeformis, Amygdalum barbatiaeformis Martin, 1916 † - (MYTILIDAE) (FOSSIL)
- barbatiella, Sheldonella barbatiella F.P. Jousseaume in É. Lamy, 1917 - syn of: Sheldonella lateralis (L.A. Reeve, 1844) - (NOETIIDAE)
- Barbatiella, syn of: Genus Sheldonella C.J. Maury, 1917 (NOETIIDAE)
- Barbatirus, syn of: Genus Barbatia J.E. Gray, 1847 (ARCIDAE)
- barbatula, Barbatia barbatula (J.B.P.A. Lamarck, 1805 †) - (ARCIDAE) (FOSSIL)
- Barbatula, syn of: Genus Barbatia J.E. Gray, 1847 (ARCIDAE)
- barbatula, Coccopigya barbatula B.A. Marshall, 1986 - (COCCULINIDAE)
- barbatulus, Pulchridomus barbatulus (L.A. Reeve, 1852) - (CHAROPIDAE)
- barbatus, Modiolus barbatus (C. Linnaeus, 1758) - (MYTILIDAE)
- barbatus, Lithodomus barbatus L.A. Reeve, 1858 - syn of: Gregariella barbata (L.A. Reeve, 1858) - (MYTILIDAE)
- barbatus, Stenotrema hirsutus barbatus (W.F. Clapp, 1904) - (POLYGYRIDAE)
- barbatus, Echinopecten barbatus (J. Sowerby 1819) † - (PTERIIDA (UNASSIGNED)) (FOSSIL)
- barbatus, Spondylus barbatus L.A. Reeve, 1856 - syn of: Spondylus squamosus K. Schreibers, 1793 - (SPONDYLIDAE)
- barbatus angustatus, Modiolus barbatus angustatus R.A. Philippi, 1836 - (MYTILIDAE)
- barbatus costellatus, Hipponyx barbatus costellatus P.P. Carpenter, 1856 - syn of: Hipponix costellatus P.P. Carpenter, 1856 - (HIPPONICIDAE)
- barbatus dilatatus, Modiolus barbatus dilatatus R.A. Philippi, 1836 - (MYTILIDAE)
- barbatus oblongus, Mytilus barbatus oblongus J.G. Jeffreys, 1864 - syn of: Modiolus barbatus (C. Linnaeus, 1758) - (MYTILIDAE)
- barbei, Clithon barbei Symonds & J.M. Pacaud, 2010 † - (NERITIDAE) (FOSSIL)
- barbella, Oestophora barbella G. Servain, 1880 - syn of: Oestophora barbula (E.A. Rossmässler, 1838) - (TRISSEXODONTIDAE)
- barbendensis, Gastrocopta barbendensis (L. Pfeiffer, 1853) - (GASTROCOPTIDAE)
- barbenthos, Olivella barbenthos P. Recourt, 1989 - (OLIVELLIDAE)
- barberi, Pseudaspidoceras barberi Meister, 1989 † - (ACANTHOCERATIDAE) (FOSSIL)
- barberi, Succinea barberi W.B. Marshall, 1926 - (SUCCINEIDAE)
- barberi, Anolcites barberi Smith, 1914 † - (TRACHYCERATIDAE) (FOSSIL)
- Barbierella, Genus Barbierella A.L. Chavan, 1938 (LUCINIDAE)
- barbieri, Herpetopoma barbieri G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 - (CHILODONTIDAE)
- barbieri, Medora macascarensis barbieri (J. Zelebor, 1868) - (CLAUSILIIDAE)
- barbieri, Cylinder barbieri (G. Raybaudi Massilia, 1995) - (CONIDAE)
- barbieri, Vexillum barbieri G.P. Deshayes, 1865 † - (COSTELLARIIDAE) (FOSSIL)
- barbieri, Purpuradusta barbieri (L. Raybaudi Massilia, 1986) - (CYPRAEIDAE)
- barbieri, Barbierella barbieri (G.P. Deshayes, 1858 †) - (LUCINIDAE) (FOSSIL)
- barbieri, Mitra barbieri G.T. Poppe & S.P. Tagaro, 2006 - (MITRIDAE)
- barbieri, Haustellum barbieri R. Houart, 1993 - (MURICIDAE)
- barbieri, Phenacovolva barbieri F.Jr. Lorenz & D. Fehse, 2009 - (OVULIDAE)
- barbieri, Rostellariella barbieri H. Morrison, 2008 - (ROSTELLARIIDAE)
- barbieri, Terebra barbieri U. Aubry, 2008 - (TEREBRIDAE)
- barbierii, Microdrillia barbierii Š. Brusina, 1866 - syn of: Drilliola loprestiana (P. Calcara, 1841) - (BORSONIIDAE)
- barbierii, Raphitoma barbierii Š. Brusina, 1866 - syn of: Drilliola loprestiana (P. Calcara, 1841) - (RAPHITOMIDAE)
- barbierii, Gibbula barbierii Š. Brusina, 1866 - syn of: Gibbula divaricata (C. Linnaeus, 1758) - (TROCHIDAE)
- barbigera, Achatina barbigera P.M.A. Morelet, 1866 - syn of: Petriola marmorea (L.A. Reeve, 1850) - (ACHATINIDAE)
- barbigerum, Stenotrema barbigerum J.H. Redfield, 1856 - (POLYGYRIDAE)
- barbini, Melanopsis barbini P.M. Pallary, 1911 - (MELANOPSIDAE)
- barbini plicata, Melanopsis barbini plicata P.M. Pallary, 1911 - (MELANOPSIDAE)
- Barbitonia, Subgenus Neptunea (Barbitonia) W.H. Dall, 1916 (BUCCINIDAE)
- barborae, Voskopiella barborae Frýda, 1992 † - (ONYCHOCHILIDAE) (FOSSIL)
- barboraeca, Anodonta barboraeca É.A.A. Locard, 1890 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- barbosae, Volvarina barbosae J.A. Ortea, 2014 - (MARGINELLIDAE)
- Barbosaia, Genus Barbosaia Mendes, 1952 (PTERIIDA (UNASSIGNED)) (FOSSIL)
- barbosana, Anodonta barbosana J. Da Silva e Castro, 1883 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- barbotanus, Schartymites barbotanus (Verneuil, 1845 †) - (STENOGLAPHYRITIDAE) (FOSSIL)
- barbotdemarnii, Didacna barbotdemarnii (O.A. Grimm, 1877) - (CARDIIDAE)
- Barbotella, Genus Barbotella Cossmann, 1918 (TURBINIDAE) (FOSSIL)
- barboti, Sinotaia barboti (Sinzov, 1884 †) - (VIVIPARIDAE) (FOSSIL)
- barboti jalpuchense, Sinotaia barboti jalpuchense Datsenko in Gozhik & Datsenko, 2007 † - (VIVIPARIDAE) (FOSSIL)
- barbouri, Boeseites barbouri F. Haas, 1942 † - (BRANCOCERATIDAE) (FOSSIL)
- barbouri, Calliostoma barbouri W.J. Clench & C.G. Aguayo, 1946 - (CALLIOSTOMATIDAE)
- barbouri, Eucorys barbouri (W.J. Clench & C.G. Aguayo, 1939) - (CASSIDAE)
- barbouri, Strophiops barbouri W.J. Clench, 1933 - (CERIONIDAE)
- barbouri, Eotomaria barbouri A.W. Grabau, 1922 † - syn of: Raphistomina barbouri (A.W. Grabau, 1922 †) - (EOTOMARIIDAE) (FOSSIL)
- barbouri, Liospira barbouri A.W. Grabau, 1922 † - syn of: Raphistomina barbouri (A.W. Grabau, 1922 †) - (EOTOMARIIDAE) (FOSSIL)
- barbouri, Fissurella barbouri I. Pérez Farfante, 1943 - (FISSURELLIDAE)
- barbouri, Haliotis barbouri T.D. Foster, 1945 - syn of: Haliotis varia C. Linnaeus, 1758 - (HALIOTIDAE)
- barbouri, Raphistomina barbouri (A.W. Grabau, 1922 †) - (HOLOPEIDAE) (FOSSIL)
- barbouri, Farcimen majusculum barbouri L.O. Alcalde, 1945 - (MEGALOMASTOMIDAE)
- barbouri, Liguus fasciatus barbouri W.J. Clench, 1929 - (ORTHALICIDAE)
- barbouri, Chondrothyretes barbouri C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- barbouri, Troschelvindex barbouri (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- barbouri, Torrecoptis barbouri (W.J. Clench & C. de la Torre, 1930) - (UROCOPTIDAE)
- barbouri, Spiroceramus barbouri C.G. Aguayo, 1958 - (UROCOPTIDAE)
- barbouri exquisita, Torrecoptis barbouri exquisita (W.J. Clench, 1966) - (UROCOPTIDAE)
- barbouri itineraria, Chondrothyretes barbouri itineraria (C. de la Torre & P. Bartsch, 1938) - (POMATIIDAE)
- barbozae, Cecilioides barbozae C.A. Westerlund - syn of: Cecilioides acicula (O.F. Müller, 1774) - (FERUSSACIIDAE)
- barbozae, Discula calcigena barbozae (C.de Paiva, 1866) - (HYGROMIIDAE)
- barbozae, Diatrypesis barbozae (Maltzan, 1886) - (METACERITHIIDAE)
- barbozana, Theba barbozana É.A.A. Locard, 1899 - syn of: Theba pisana (O.F. Müller, 1774) - (HELICIDAE)
- barbozana, Oxychilus barbozana J. Da Silva e Castro, 1894 - syn of: Oxychilus draparnaudi (H.H. Beck, 1837) - (OXYCHILIDAE)
- barbozana, Anodonta barbozana É.A.A. Locard, 1890 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- barbozanus, Unio barbozanus É.A.A. Locard, 1899 - syn of: Unio abrantesianus É.A.A. Locard, 1899 - (UNIONIDAE)
- barbudensis, Sconsia barbudensis H.C. Higgins & F.P. Marrat, 1877 - syn of: Sconsia grayi A. Adams, 1855 - (CASSIDAE)
- barbula, Oestophora barbula (E.A. Rossmässler, 1838) - (TRISSEXODONTIDAE)
- barbuyae, Volvarina barbuyae J.A. Ortea, 2014 - (MARGINELLIDAE)
- barcaensis, Cochlostoma barcaensis R.A.M. Brandt - (COCHLOSTOMATIDAE)
- barcamorpha, Prozonarina barcamorpha L. Dolin & P. Lozouet, 2004 † - (CYPRAEIDAE) (FOSSIL)
- Barcania, Genus Barcania R.A.M. Brandt, 1956 (CLAUSILIIDAE)
- barceensis, Barcania kaltenbachi barceensis R.A.M. Brandt, 1958 - (CLAUSILIIDAE)
- barcellosi, Caelatura barcellosi R.S. Absalão & E. de C. Rios, 1995 - (BARLEEIIDAE)
- barcellosi, Ranella barcellosi H.R. Matthews, E. de C. Rios & A.C. dos Santos Coelho, 1973 - syn of: Ranella olearium barcellosi H.R. Matthews, E. de C. Rios & A.C. dos Santos Coelho, 1973 - (RANELLIDAE)
- barcellosi, Ranella olearium barcellosi H.R. Matthews, E. de C. Rios & A.C. dos Santos Coelho, 1973 - (RANELLIDAE)
- barceloi, Amandana barceloi (J.G. Hidalgo, 1878) - (HYGROMIIDAE)
- barcelonettensis, Trochulus barcelonettensis J.R. Bourguignat in É.A.A. Locard, 1894 - syn of: Trichia hispida (C. Linnaeus, 1758) - (HYGROMIIDAE)
- barcensis, Campylaea barcensis M. von Kimakowicz, 1890 - syn of: Faustina faustina associata (E.A. Rossmässler, 1835) - (HELICIDAE)
- barceum, Deroceras barceum (L. Gambetta, 1925) - (AGRIOLIMACIDAE)
- barchatovae, Deltopecten barchatovae Muromtseva, 1984 † - (DELTOPECTINIDAE) (FOSSIL)
- barcinensis, Xerotricha barcinensis (J.R. Bourguignat, 1868) - (HYGROMIIDAE)
- barcinonensis, Helix barcinonensis Chia, 1886 - syn of: Xerotricha barcinensis (J.R. Bourguignat, 1868) - (HELICIDAE)
- barcinonensis, Purpura barcinonensis J.G. Hidalgo, 1867 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- barcinonensis, Testacella barcinonensis C. Pollonera, 1888 - syn of: Testacella haliotidea J.P.R. Draparnaud, 1801 - (TESTACELLIDAE)
- barckeriana, Hemicycla barckeriana J.F. Mabille, 1883 - syn of: Hemicycla psathyra temperata (A. Mousson, 1872) - (HELICIDAE)
- barclayana, Ostrea barclayana G.B. II Sowerby, 1871 - syn of: Saccostrea spathulata (J.B.P.A. Lamarck, 1819) - (OSTREIDAE)
- barclayana, Tropidophora barclayana L. Pfeiffer, 1851 - (POMATIIDAE)
- barclayanus, Pterynotus barclayanus (C.B. Adams, 1873) - (MURICIDAE)
- barclayanus, Pterymarchia barclayanus M. Azuma, 1976 - syn of: Pterynotus barclayanus (C.B. Adams, 1873) - (MURICIDAE)
- barclayi, Ficadusta barclayi (L.A. Reeve, 1857) - (CYPRAEIDAE)
- barclayi, Cypraea barclayi L.A. Reeve, 1857 - syn of: Ficadusta barclayi (L.A. Reeve, 1857) - (CYPRAEIDAE)
- barclayi, Cypraea barclayi (L.A. Reeve, 1857) - syn of: Ficadusta barclayi (L.A. Reeve, 1857) - (CYPRAEIDAE)
- barclayi, Erronea barclayi L.A. Reeve, 1857 - syn of: Ficadusta barclayi (L.A. Reeve, 1857) - (CYPRAEIDAE)
- barclayi, Fusinus barclayi (G.B. III Sowerby, 1894) - (FASCIOLARIIDAE)
- barclayi, Latirus barclayi (L.A. Reeve, 1847) - (FASCIOLARIIDAE)
- barclayi, Sinistralia barclayi G.B. III Sowerby, 1894 - syn of: Fusinus barclayi (G.B. III Sowerby, 1894) - (FASCIOLARIIDAE)
- barclayi, Mitra barclayi V. Robillard, 1868 - syn of: Mitra coffea G.H. Schubert & J.A. Wagner, 1829 - (MITRIDAE)
- barclayi, Mitra barclayi G.B. Sowerby, 1874 - syn of: Nebularia contracta (W.J. Swainson, 1820) - (MITRIDAE)
- barclayi, Mitra barclayi A. Adams, 1869 - syn of: Dibaphus multiplicata (W.H. Pease, 1865) - (MITRIDAE)
- barclayi, Naquetia barclayi (L.A. Reeve, 1858) - (MURICIDAE)
- barclayi, Turbinella barclayi L.A. Reeve, 1847 - syn of: Latirus barclayi (L.A. Reeve, 1847) - (TURBINELLIDAE)
- Barclayia, Genus Barclayia Adams, 1875 (GALEOMMATIDAE)
- barcoicense, Vascoceras barcoicense (Choffat, 1898 †) - (VASCOCERATIDAE) (FOSSIL)
- barcoicense exile, Vascoceras barcoicense exile Cobban, Hook & J. Kennedy, 1989 † - (VASCOCERATIDAE) (FOSSIL)
- Barcoona, Genus Barcoona Finlay, 1926 (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- barcrofti, Neniops barcrofti (H.A. Pilsbry, 1957) - (CLAUSILIIDAE)
- barcrofti, Rhodea barcrofti H.A. Pilsbry, 1958 - (SUBULINIDAE)
- bardeyi, Tutufa bardeyi (F.P. Jousseaume, 1881) - (BURSIDAE)
- bardeyi, Tutufella bardeyi F.P. Jousseaume, 1881 - syn of: Tutufa bardeyi (F.P. Jousseaume, 1881) - (BURSIDAE)
- bardeyi, Opalia bardeyi (F.P. Jousseaume, 1912) - (EPITONIIDAE)
- bardeyi elongata, Opalia bardeyi elongata F.P. Jousseaume, 1912 - syn of: Opalia bardeyi (F.P. Jousseaume, 1912) - (EPITONIIDAE)
- bardeyi minor, Opalia bardeyi minor F.P. Jousseaume, 1912 - syn of: Opalia bardeyi (F.P. Jousseaume, 1912) - (EPITONIIDAE)
- bardiei, Cerithium bardiei A.E.M. Cossmann & M.A. Peyrot, 1922 † - (CERITHIIDAE) (FOSSIL)
- bardus, Unio bardus J.R. Bourguignat, 1881 - syn of: Unio tumidus A. Retzius, 1788 - (UNIONIDAE)
- bardwelli, Hyridella bardwelli W.J. Clench, 1934 - syn of: Velesunio angasi (G.B. Sowerby, 1867) - (HYRIIDAE)
- bardwelli, Divalinga bardwelli (T. Iredale, 1936) - (LUCINIDAE)
- bardwelli, Gari bardwelli T. Iredale - syn of: Gari amethystus (W. Wood, 1815) - (PSAMMOBIIDAE)
- bardwelli, Macrocallista bardwelli W.J. Clench & R.A. Mclean, 1936 - syn of: Callista planatella (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- bareai, Corrosella bareai (D. Delicado, Machordom & M.A. Ramos, 2012) - (HYDROBIIDAE)
- baregiensis, Chondrina baregiensis É.A.A. Locard, 1894 - syn of: Chondrina bigorriensis C. des Moulins, 1835 - (CHONDRINIDAE)
- Barehamia, syn of: Genus Borehamia Beu, 1978 (PECTINIDAE) (FOSSIL)
- barentsi, Flabellina barentsi (A.J.B.M. Vayssière, 1913) - (FLABELLINIDAE)
- bareti, Conus bareti Vasseur, 1881 † - (CONIDAE) (FOSSIL)
- bareti, Trochus bareti Vasseur, 1881 † - (TROCHIDAE) (FOSSIL)
- barettii, Planorbarius barettii (F. Sacco, 1886 †) - (PLANORBIDAE) (FOSSIL)
- barettii ceresolensis, Planorbarius barettii ceresolensis (F. Sacco, 1889 †) - (PLANORBIDAE) (FOSSIL)
- barffi, Sepia barffi A. Curtiss, 1938 - syn of: Octopus cyanea J.E. Gray, 1849 - (SEPIIDAE)
- bargibanti, Sundaya bargibanti Cecalupo & Perugia, 2017 - (CERITHIOPSIDAE)
- bargibanti, Murexsul bargibanti R. Houart, 1991 - syn of: Murexsul auratus J.T. Kuroda & T. Habe, 1971 - (MURICIDAE)
- Barguesiella, Genus Barguesiella Frau & al., 2016 (HETEROCERATIDAE) (FOSSIL)
- bari, Monacha bari (L. Forcart, 1981) - (HYGROMIIDAE)
- bariayi, Cerion bariayi C.G. Aguayo & M.L. Jaume, 1957 - (CERIONIDAE)
- barilensis, Burnupia barilensis S. Moricand, 1845 - syn of: Uncancylus concentricus (A.V.M.D. D'Orbigny, 1835) - (PLANORBIDAE)
- barinai, Montenegrina nana barinai Z. Fehér & M. Szekeres, 2016 - (CLAUSILIIDAE)
- Bariosta, syn of: Genus Amblema C.S. Rafinesque, 1820 (UNIONIDAE)
- barissum, Epitonium barissum (T. Iredale, 1936) - (EPITONIIDAE)
- baritense, Opisthostoma baritense (E.A. Smith, 1893) - (DIPLOMMATINIDAE)
- baritensis, Sitala baritensis E.A. Smith, 1893 - (ARIOPHANTIDAE)
- baritensis, Japonia baritensis (E.A. Smith, 1894) - (CYCLOPHORIDAE)
- baritensis, Coneuplecta baritensis (E.A. Smith, 1894) - (EUCONULIDAE)
- barjonae, Cancellaria barjonae Da Costa, 1867 † - (CANCELLARIIDAE) (FOSSIL)
- barjonae bearnensis, Cancellaria barjonae bearnensis Da Costa, 1867 † - (CANCELLARIIDAE) (FOSSIL)
- barjonae salomacensis, Cancellaria barjonae salomacensis Da Costa, 1867 † - (CANCELLARIIDAE) (FOSSIL)
- barkati, Proscaphites barkati Quereilhac & Guinot, 2011 † - (OPPELIIDAE) (FOSSIL)
- barkeri, Anthracosia barkeri Leitch † - (ANTHRACOSIIDAE) (FOSSIL)
- barkeri, Zeadmete barkeri A.W.B. Powell, 1952 - (CANCELLARIIDAE)
- barkeri, Climocella barkeri J.F. Goulstone, 1997 - (CHAROPIDAE)
- barkeri, Tegula barkeri P. Bartsch & H.A. Rehder, 1939 - syn of: Tegula snodgrassi (H.A. Pilsbry & E.G. Vanatta, 1902) - (TEGULIDAE)
- Barkeria, Genus Barkeria W.O. Addicott, 1970 (CANCELLARIIDAE)
- barklayense, Caecum crebricinctum barklayense P. Bartsch, 1920 - (CAECIDAE)
- barkleyae, Hystrivasum barkleyae E.J. Petuch, 1994 † - (TURBINELLIDAE) (FOSSIL)
- barkleyensis, Odostomia barkleyensis W.H. Dall & P. Bartsch, 1910 - (PYRAMIDELLIDAE)
- barkliensis, Drillia barkliensis (H. Adams, 1869) - (DRILLIIDAE)
- barkliensis, Crassispira barkliensis H. Adams, 1869 - syn of: Drillia barkliensis (H. Adams, 1869) - (PSEUDOMELATOMIDAE)
- barkliensis, Turridrupa barkliensis H. Adams, 1869 - syn of: Drillia barkliensis (H. Adams, 1869) - (TURRIDAE)
- barklyana, Mitra barklyana V. Robillard, 1868 - syn of: Mitra coffea G.H. Schubert & J.A. Wagner, 1829 - (MITRIDAE)
- barklyana, Parachondria barklyana (E. Chitty, 1853) - (POMATIIDAE)
- barkolensis, Zhifangia barkolensis Zhang, 1983 † - (UNIONIDA (UNASSIGNED)) (FOSSIL)
- barkoukensis, Lyria barkoukensis Abbass, 1967 † - (VOLUTIDAE) (FOSSIL)
- barkudaensis, Laternula barkudaensis H.B. Preston, 1915 - syn of: Laternula navicula (L.A. Reeve, 1863) - (LATERNULIDAE)
- barkulensis, Laternula barkulensis H.B. Preston, 1915 - syn of: Laternula navicula (L.A. Reeve, 1863) - (LATERNULIDAE)
- barkulensis, Anatina barkulensis H.B. Preston, 1915 - syn of: Laternula navicula (L.A. Reeve, 1863) - (MACTRIDAE)
- BARLAEEIDAE - syn of Family: BARLEEIIDAE
- barlaensis, Sprattia aksuensis barlaensis H. Nordsieck, 2004 - (CLAUSILIIDAE)
- barleei, Cerithiopsis barleei J.G. Jeffreys, 1867 - (CERITHIOPSIDAE)
- barleei, Rissoa barleei J.G. Jeffreys, 1847 - syn of: Peringia ulvae (T. Pennant, 1777) - (RISSOIDAE)
- barleei, Diplodonta barleei J.G. Jeffreys, 1858 - syn of: Diplodonta rotundata (G. Montagu, 1803) - (UNGULINIDAE)
- Barleeia, Genus Barleeia W. Clark, 1853 (BARLEEIIDAE)
- BARLEEIDAE - syn of Family: BARLEEIIDAE
- BARLEEIIDAE J.E. Gray, 1857 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-RISSOOIDEA [Superfamily])
- barlettai, Aldisa barlettai J.A. Ortea & E. Ballesteros, 1989 - (CADLINIDAE)
- barlettai, Lomanotus barlettai J.C. García-Gómez, P.J. Lopez-Gonzalez & F.J. García, 1990 - (LOMANOTIDAE)
- barnaclei, Megalacron alfredi barnaclei (E.A. Smith, 1877) - (CAMAENIDAE)
- barnaclei, Helix barnaclei E.A. Smith - syn of: Megalacron alfredi barnaclei (E.A. Smith, 1877) - (HELICIDAE)
- barnaclei, Platycochlium barnaclei S.P. Dance, 1970 - (STREPTAXIDAE)
- barnaeformis, Barbatia barnaeformis J. Marwick, 1928 † - (ARCIDAE) (FOSSIL)
- Barnaia, Genus Barnaia Thach, 2017 (PUPINIDAE)
- Barnardaclesia, Genus Barnardaclesia N.B. Eales & H. Engel, 1935 (APLYSIIDAE)
- barnardensis, Uromitra barnardensis C.J. Maury, 1910 † - (COSTELLARIIDAE) (FOSSIL)
- barnardensis, Mitra barnardensis C.J. Maury, 1910 † - syn of: Uromitra barnardensis C.J. Maury, 1910 † - (MITRIDAE) (FOSSIL)
- barnardi, Callistochiton barnardi E.H.J. Leloup, 1981 - (CALLISTOPLACIDAE)
- barnardi, Calyptraea barnardi R.N. Kilburn, 1980 - (CALYPTRAEIDAE)
- barnardi, Trigonostoma barnardi A.W. Janssen, 1984 † - (CANCELLARIIDAE) (FOSSIL)
- barnardi, Chiton barnardi (E.A. Ashby, 1931) - (CHITONIDAE)
- barnardi, Rhyssoplax barnardi E.A. Ashby, 1931 - syn of: Chiton barnardi (E.A. Ashby, 1931) - (CHITONIDAE)
- barnardi, Chromodoris barnardi (C. Collingwood, 1868) - (CHROMODORIDIDAE)
- barnardi, Glossodoris barnardi E.F. Kelaart, MS C. Collingwood, 1868 - (CHROMODORIDIDAE)
- barnardi, Cuspidaria barnardi J. Knudsen, 1970 - (CUSPIDARIIDAE)
- barnardi, Gibberula barnardi J.R. le B. Tomlin, 1918 - syn of: Gibberula differens (E.A. Smith, 1904) - (CYSTISCIDAE)
- barnardi, Tugali barnardi (J.R. le B. Tomlin, 1932) - (FISSURELLIDAE)
- barnardi, Parmaphorella barnardi J.R. le B. Tomlin, 1932 - syn of: Tugali barnardi (J.R. le B. Tomlin, 1932) - (FISSURELLIDAE)
- barnardi, Okenia barnardi K. Baba, 1937 - (GONIODORIDIDAE)
- barnardi, Ctenoides barnardi R.N. Kilburn, 1998 - syn of: Lima divaricata K.H. Barnard, 1964 - (LIMIDAE)
- barnardi, Marginella barnardi J.R. le B. Tomlin, 1919 - syn of: Gibberula differens (E.A. Smith, 1904) - (MARGINELLIDAE)
- barnardi, Trophon barnardi R. Houart, 1987 - (MURICIDAE)
- barnardi, Lithophaga barnardi P.H. Boshoff, 1965 - syn of: Leiosolenus lima (É. Lamy, 1919) - (MYTILIDAE)
- barnardi, Siliqua barnardi M. Huber, 2010 - (PHARIDAE)
- barnardi, Odostomia barnardi J.J. Van Aartsen & J.X. Corgan, 1996 - (PYRAMIDELLIDAE)
- barnardi, Pseudodaphnella barnardi (J.W. Brazier, 1876) - (RAPHITOMIDAE)
- barnardi, Kermia barnardi J.W. Brazier, 1876 - syn of: Pseudodaphnella barnardi (J.W. Brazier, 1876) - (RAPHITOMIDAE)
- barnardi, Triphora barnardi J.R. le B. Tomlin, 1945 - (TRIPHORIDAE)
- barnardi, Fusivoluta barnardi H.A. Rehder, 1969 - (VOLUTIDAE)
- Barnea, Genus Barnea A. Risso, 1826 (PHOLADIDAE)
- barneaformis, Barbatia barneaformis (J. Marwick, 1928 †) - (ARCIDAE) (FOSSIL)
- barneli, Calliotectum tibiaeforme barneli P. Bail, 2006 - (VOLUTIDAE)
- Barnesella, syn of: Genus Lecanospira Butts, 1926 (OPHILETIDAE) (FOSSIL)
- barnesi, Armenoceras barnesi Flower, 1957 † - (ARMENOCERATIDAE) (FOSSIL)
- barnesi, Anconochilus barnesi Knight, 1947 † - (COREOSPIRIDAE) (FOSSIL)
- barnesiana, Fusconaia barnesiana (I. Lea, 1829) - (UNIONIDAE)
- barnesii, Radsia barnesii (J.E. Gray, 1828) - (CHITONIDAE)
- barnesii, Enaeta barnesii (J.E. Gray, 1825) - (VOLUTIDAE)
- Barnesoceras, Genus Barnesoceras Flower, 1964 (ELLESMEROCERATIDAE) (FOSSIL)
- barnettense, Nuculoceras barnettense Plummer & P.H. Scott, 1937 † - syn of: Paracravenoceras barnettense (Plummer & P.H. Scott, 1937 †) - (CRAVENOCERATIDAE) (FOSSIL)
- barnettense, Paracravenoceras barnettense (Plummer & P.H. Scott, 1937 †) - (GLAPHYRITIDAE) (FOSSIL)
- barnetti, Donaldina barnetti (Kindle, 1900 †) - (DONALDINIDAE) (FOSSIL)
- barnetti, Aclisina barnetti Kindle, 1900 † - syn of: Donaldina barnetti (Kindle, 1900 †) - (MURCHISONIIDAE) (FOSSIL)
- barnetti, Semipallium barnetti H.H. Dijkstra, 1989 - (PECTINIDAE)
- barnetti elongata, Donaldina barnetti elongata (Kindle, 1900 †) - (DONALDINIDAE) (FOSSIL)
- barneyai, Figuladra barneyai J. Stanisic, 2010 - (CAMAENIDAE)
- barneyi, Hadra barneyi J.C. Cox, 1873 - (CAMAENIDAE)
- Barneystrombus, Genus Barneystrombus T.J. Blackwood, 2009 (STROMBIDAE)
- Barnia, syn of: Genus Barnea A. Risso, 1826 (PHOLADIDAE)
- barnosii, Limenandra barnosii L. Carmona, M. Pola, T.M. Gosliner & J.L. Cervera, 2014 - (AEOLIDIIDAE)
- baro, Corculum baro Barrande, 1881 † - syn of: Kenzieana cardiopsis (Barrande, 1881 †) - (CARDIIDAE) (FOSSIL)
- baro, Tetraplodon baro H.F.A. von Ihering, 1910 - syn of: Castalia ambigua (J.B.P.A. Lamarck, 1819) - (HYRIIDAE)
- baro, Bolloceras baro (Barrande, 1877 †) - (NOTHOCERATIDAE) (FOSSIL)
- baro, Phragmoceras baro Barrande, 1877 † - syn of: Bolloceras baro (Barrande, 1877 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- baro, Kenzieana baro Barrande, 1881 † - syn of: Kenzieana cardiopsis (Barrande, 1881 †) - (SPANILIDAE) (FOSSIL)
- Barocospira, Genus Barocospira Hornύ , 1964 (PENDROMIDAE) (FOSSIL)
- barodiscus, Erycites barodiscus C. Gemmellaro, 1886 † - (HAMMATOCERATIDAE) (FOSSIL)
- baroghilensis, Euphemites baroghilensis (Reed, 1925 †) - (EUPHEMITIDAE) (FOSSIL)
- Baroginella, syn of: Genus Canalispira F.P. Jousseaume, 1875 (CYSTISCIDAE)
- baroni, Scutalus baroni (H.C. Fulton, 1896) - (BULIMULIDAE)
- baroni, Xenothauma baroni H.C. Fulton, 1896 - syn of: Scutalus baroni (H.C. Fulton, 1896) - (BULIMULIDAE)
- baroni, Drymaeus baroni H.C. Fulton, 1897 - syn of: Scutalus cretaceus L. Pfeiffer, 1855 - (BULIMULIDAE)
- Baronnites, Genus Baronnites Bulot, Company & Thieuloy, 1990 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- barquensis, Bellerophon barquensis Winchell, 1862 † - (BELLEROPHONTIDAE) (FOSSIL)
- barquini, Napaeus barquini M.R. Alonso & C.M. Ibáñez, 2006 - (ENIDAE)
- barquini, Berthellina barquini J.A. Ortea, 2014 - (PLEUROBRANCHIDAE)
- barrabei, Crioceratites barrabei Sarkar, 1955 † - (CRIOCERATITIDAE) (FOSSIL)
- barrackporensis, Gyraulus barrackporensis S. Clessin, 1886 - (PLANORBIDAE)
- barrackporensis, Nesopupa barrackporensis (G.P.L.K. Gude, 1914) - (VERTIGINIDAE)
- barrajoni, Lepetella barrajoni L. Dantart & A.A. Luque, 1994 - (LEPETELLIDAE)
- barrakporensis, Kaliella barrakporensis (L. Pfeiffer, 1852) - (CHRONIDAE)
- barrana, Acroteuthis barrana F.M. Anderson, 1938 † - (PASSALOTEUTHIDIDAE) (FOSSIL)
- barranca, Nuculana barranca A.A. Olsson, 1930 † - (NUCULANIDAE) (FOSSIL)
- barrancensis, Protancyloceras barrancensis Cantu-Chapa, 1962 † - (PROTANCYLOCERATIDAE) (FOSSIL)
- Barrancyloceras, Genus Barrancyloceras Vermeulen, 2000 (CRIOCERATITIDAE) (FOSSIL)
- Barrandecirrus, Genus Barrandecirrus Frύda, 1997 (PORCELLIIDAE) (FOSSIL)
- barrandei, Ammonites barrandei Laube, 1869 † - syn of: Proarcestes barrandei (Laube, 1869 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- barrandei, Proarcestes barrandei (Laube, 1869 †) - (ARCESTIDAE) (FOSSIL)
- barrandei, Bellerophon barrandei Oehlert, 1877 † - (BELLEROPHONTIDAE) (FOSSIL)
- barrandei, Cardiolaria barrandei E.C. Munier-Chalmas, 1876 † - (CARDIOLARIIDAE) (FOSSIL)
- barrandei, Ceratotheca barrandei Novák, 1891 † - (CERATOTHECIDAE) (FOSSIL)
- barrandei, Mimospira barrandei Frýda, 1989 † - (CLISOSPIRIDAE) (FOSSIL)
- barrandei, Dawsonoceras barrandei Horný, 1956 † - (DAWSONOCERATIDAE) (FOSSIL)
- barrandei, Epitonium barrandei G.P. Deshayes, 1861 † - (EPITONIIDAE) (FOSSIL)
- barrandei, Nautilus barrandei J. Von Hauer, 1847 † - syn of: Syringoceras barrandei (J. Von Hauer, 1847 †) - (NAUTILIDAE) (FOSSIL)
- barrandei, Oriostoma barrandei E.C. Munier-Chalmas, 1876 † - (ORIOSTOMATIDAE) (FOSSIL)
- barrandei, Orthoceras barrandei Salter † - (ORTHOCERATIDAE) (FOSSIL)
- barrandei, Protophragmoceras barrandei Flower, 1952 † - (PHRAGMOCERATIDAE) (FOSSIL)
- barrandei, Platyclymenia barrandei Wedekind, 1914 † - (PLATYCLYMENIIDAE) (FOSSIL)
- barrandei, Pterygotheca barrandei Novak, 1891 † - (PTERYGOTHECIDAE) (FOSSIL)
- barrandei, Trochoceras barrandei De Verneuil, 1866 † - syn of: Erbenoceras solitarium (Barrande, 1865 †) - (RUTOCERATIDAE) (FOSSIL)
- barrandei, Scenella barrandei Linnarsson, 1879 † - (SCENELLIDAE) (FOSSIL)
- barrandei, Syringoceras barrandei (J. Von Hauer, 1847 †) - (SYRINGONAUTILIDAE) (FOSSIL)
- barrandei, Tellina barrandei G.P. Deshayes, 1857 † - (TELLINIDAE) (FOSSIL)
- barrandei, Inversoceras barrandei Foerste, 1926 † - (TRIMEROCERATIDAE) (FOSSIL)
- barrandei, Eratopsis barrandei R. Hoernes & M. Auinger, 1880 - (TRIVIIDAE)
- barrandei, Drahomira barrandei J. Perner, 1903 † - syn of: Drahomira glaseri (J. Perner, 1903 †) - (TRYBLIDIIDAE) (FOSSIL)
- Barrandeicardia, Genus Barrandeicardia Rogalla, 2007 (HIPPOCARDIIDAE) (FOSSIL)
- Barrandeites, Genus Barrandeites Mojsisovics, 1893 (HALORITIDAE) (FOSSIL)
- Barrandeoceras, Genus Barrandeoceras Hyatt, 1884 (BARRANDOCERATIDAE) (FOSSIL)
- BARRANDEOCERATIDAE Foerste, 1925 - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-TARPHYCERIDA [Order]) (FOSSIL)
- Barrandicella, Genus Barrandicella Peel & Hornύ, 1999 (ARCHINACELLIDAE) (FOSSIL)
- Barrandicellopsis, Genus Barrandicellopsis Hornύ, 2000 (ARCHINACELLIDAE) (FOSSIL)
- barrandii, Neoathleta barrandii (G.P. Deshayes, 1865 †) - (VOLUTIDAE) (FOSSIL)
- BARRANDOCERATIDAE Foerste, 1925 - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-BARRANDEOCERIDA [Order]) (FOSSIL)
- barratei, Pseudamnicola barratei A. Letourneux & J.R. Bourguignat, 1887 - (HYDROBIIDAE)
- barrattiana, Corbula barrattiana C.B. Adams, 1852 - (CORBULIDAE)
- barraudi, Morlina barraudi A. Moquin-Tandon, 1855 - syn of: Morlina glabra (E.A. Rossmässler, 1835) - (OXYCHILIDAE)
- barraudi, Potomida barraudi J. Bonhomme, 1840 - syn of: Potomida littoralis (G.L.C.F.D. Cuvier, 1798) - (UNIONIDAE)
- barrealensis, Neoplatyteichum barrealensis (Reed, 1927 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- Barrealispira, Genus Barrealispira Taboada & Sabattini, 1987 (GOSSELETINIDAE) (FOSSIL)
- barrelsi, Oestophora barrelsi Hovestadt & Ripken, 2015 - (TRISSEXODONTIDAE)
- barremense, Paracrioceras barremense Kilian, 1895 † - syn of: Barrancyloceras barremense (Kilian, 1895 †) - (ANCYLOCERATIDAE) (FOSSIL)
- barremense, Barrancyloceras barremense (Kilian, 1895 †) - (CRIOCERATITIDAE) (FOSSIL)
- barremense, Crioceras barremense Kilian, 1895 † - syn of: Barrancyloceras barremense (Kilian, 1895 †) - (CRIOCERATITIDAE) (FOSSIL)
- barremense, Emericiceras barremense Kilian, 1895 † - syn of: Barrancyloceras barremense (Kilian, 1895 †) - (EMERICICERATIDAE) (FOSSIL)
- barremensis, Amaurellina barremensis (R. Tournouer, 1872 †) - (AMPULLINIDAE) (FOSSIL)
- barremensis, Amaurellina barremensis (Tournouër, 1872) † - (AMPULLINIDAE) (FOSSIL)
- barremicus, Trochactaeon barremicus G. Sayn, 1932 † - syn of: Neocylindrites boutillieri (A.E.M. Cossmann, 1916 †) - (ACTEONELLIDAE) (FOSSIL)
- Barremites, Genus Barremites Manolov, 1975 (BARREMITIDAE) (FOSSIL)
- BARREMITIDAE Breskovski 1977 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-DESMOCERATOIDEA [Superfamily]) (FOSSIL)
- Barremitites, Genus Barremitites Avram , 1997 (BARREMITIDAE) (FOSSIL)
- barrenensis, Letomola barrenensis (W.F. Petterd, 1879) - (CHAROPIDAE)
- barrensis, Quadrinervus barrensis (Buvignier, 1852 †) - (APORRHAIDAE) (FOSSIL)
- barrensis, Rostellaria barrensis Buvignier, 1852 † - syn of: Quadrinervus barrensis (Buvignier, 1852 †) - (ROSTELLARIIDAE) (FOSSIL)
- barrerai, Tomelasmus hesperius barrerai C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- barreti, Crithe barreti L.J. Morlet, 1888 † - (CYSTISCIDAE) (FOSSIL)
- barreti, Eulima barreti P. Bartsch - (EULIMIDAE)
- barreti, Limatula barreti L.J. Morlet, 1885 † - (LIMIDAE) (FOSSIL)
- barreti, Wrightudora recta barreti (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- barreti, Rissoa barreti L.J. Morlet, 1886 † - (RISSOIDAE) (FOSSIL)
- barreti, Rissoina barreti L.J. Morlet, 1886 † - (RISSOINIDAE) (FOSSIL)
- barretoi, Chaperia barretoi J. Brown, 1952 † - (CAPROTINIDAE) (FOSSIL)
- barretti, Bothriembryon barretti T. Iredale, 1930 - (BOTHRIEMBRYONTIDAE)
- barretti, Cancellaria barretti R.J.L. Guppy, 1866 † - (CANCELLARIIDAE) (FOSSIL)
- barretti, Texadina barretti (J.P.E. Morrison, 1965) - (HYDROBIIDAE)
- barretti, Pecten barretti Seeley, 1861 † - (PECTINIDAE) (FOSSIL)
- barretti, Pecten barretti Wooding, 1925 † - syn of: Euvola jamaicensis Waller, 2011 † - (PECTINIDAE) (FOSSIL)
- barretti, Bournonia barretti Trechmann 1924 † - (RADIOLITIDAE) (FOSSIL)
- barretti, Polystira barretti (R.J.L. Guppy, 1866) - (TURRIDAE)
- barretti indictus, Bothriembryon barretti indictus T. Iredale, 1939 - syn of: Bothriembryon barretti T. Iredale, 1930 - (BOTHRIEMBRYONTIDAE)
- barretti indicus, Bothriembryon barretti indicus T. Iredale, 1939 - syn of: Bothriembryon barretti T. Iredale, 1930 - (BOTHRIEMBRYONTIDAE)
- Barrettia, Genus Barrettia Woodward, 1862 (HIPPURITIDAE) (FOSSIL)
- barretticola, Torrecoptis barretticola C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- barri, Helicodiscus barri L.R. Hubricht, 1962 - (HELICODISCIDAE)
- barriana, Callistoplepa barriana (G.B. Sowerby, 1889) - (ACHATINIDAE)
- barricanensis, Modiomorpha barricanensis (Hicks) † - (MODIOMORPHIDAE) (FOSSIL)
- barricanensis, Modiolopsis barricanensis Hicks † - (MODIOMORPHIDAE) (FOSSIL)
- barrierensis, Mitromorpha barrierensis (A.W.B. Powell, 1942) - (MITROMORPHIDAE)
- barrierensis, Uberella barrierensis (J. Marwick, 1924) - (NATICIDAE)
- barrierensis, Turbonilla barrierensis (C.R. Laws, 1937) - (PYRAMIDELLIDAE)
- barrierensis, Schizoglossa novoseelandica barrierensis A.W.B. Powell, 1949 - (RHYTIDIDAE)
- barrieria, Horologica barrieria A. Nützel, 1998 - (CERITHIOPSIDAE)
- barrigonensis, Persististrombus barrigonensis (P.O. Jung & S.M. Heitz, 2001 †) - (STROMBIDAE) (FOSSIL)
- Barrimysia, Genus Barrimysia T. Iredale, 1929 (MONTACUTIDAE)
- barrinae, Moitessieria barrinae D.M. Alba, J. Corbella, L. Prats, A. Tarruella & G. Guillén, 2007 - (MOITESSIERIIDAE)
- barringtoni, Allorisma barringtoni A. Thomas, 1928 † - syn of: Exochorhynchus barringtoni (A. Thomas, 1928 †) - (EDMONDIIDAE) (FOSSIL)
- barringtoni, Exochorhynchus barringtoni (A. Thomas, 1928 †) - (SANGUINOLITIDAE) (FOSSIL)
- Barringtonia, Subgenus Cyclodontina (Barringtonia) J.J. Parodνz, 1944 (ODONTOSTOMIDAE)
- barringtoniana, Austrorhytida barringtoniana M. Shea & R.J. Griffiths, 2010 - (RHYTIDIDAE)
- Barringtonica, Genus Barringtonica Shea, Colgan & Stanisic, 2012 (CHAROPIDAE)
- barrisi, Platyschisma barrisi Winchell, 1863 † - (PLATYCERATIDAE) (FOSSIL)
- barrocoloradensis, Singleya anomala barrocoloradensis (H.A. Pilsbry, 1930) - (SPIRAXIDAE)
- barroi, Cerion barroi C.G. Aguayo & M.L. Jaume, 1957 - (CERIONIDAE)
- barroi, Liguus fasciatus barroi M.L. Jaume, 1952 - (ORTHALICIDAE)
- barroi, Rhytidopoma honestum barroi C.G. Aguayo & M.L. Jaume, 1945 - (POMATIIDAE)
- barroi, Eutudorops undosa barroi (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- barroi, Turbonilla barroi A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- barroi, Tetrentodon barroi C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- barroisi, Neocardioceras juddii barroisi Wright & J. Kennedy, 1981 † - (ACANTHOCERATIDAE) (FOSSIL)
- barroisi, Agoniatites barroisi (Frech, 1902 †) - (AGONIATITIDAE) (FOSSIL)
- barroisi, Poleumita barroisi Spitz, 1907 † - syn of: Oriostoma barroisi (Spitz, 1907 †) - (EUOMPHALIDAE) (FOSSIL)
- barroisi, Gephyroceras barroisi Wedekind, 1918 † - syn of: Pseudoprobeloceras barroisi (Wedekind, 1918 †) - (GEPHUROCERATIDAE) (FOSSIL)
- barroisi, Goniodoris barroisi A.J.B.M. Vayssière, 1901 - (GONIODORIDIDAE)
- barroisi, Falsipyrgula barroisi (P. Dautzenberg, 1894) - (HYDROBIIDAE)
- barroisi, Gyroceratites barroisi Frech, 1902 † - syn of: Agoniatites barroisi (Frech, 1902 †) - (MIMOCERATIDAE) (FOSSIL)
- barroisi, Oriostoma barroisi (Spitz, 1907 †) - (ORIOSTOMATIDAE) (FOSSIL)
- barroisi, Pseudoprobeloceras barroisi (Wedekind, 1918 †) - (PONTICERATIDAE) (FOSSIL)
- barroisi, Soleniscus barroisi (C. Gemmellaro, 1889 †) - (SOLENISCIDAE) (FOSSIL)
- barroisi, Macrochilina barroisi C. Gemmellaro, 1889 † - syn of: Soleniscus barroisi (C. Gemmellaro, 1889 †) - (SOLENISCIDAE) (FOSSIL)
- barroisi, Unio barroisi H. Drouët, 1893 - syn of: Margaritifera homsensis (I. Lea, 1865) - (UNIONIDAE)
- Barroisia, syn of: Genus Barroisiceras Moreman, 1927 (COLLIGNONICERATIDAE) (FOSSIL)
- Barroisiceras, Genus Barroisiceras Moreman, 1927 (COLLIGNONICERATIDAE) (FOSSIL)
- Barroisocaulus, Genus Barroisocaulus Gubanov & al., 1995 (PTYCHOCAULIDAE) (FOSSIL)
- Barroisucaulus, syn of: Genus Barroisocaulus Gubanov & al., 1995 (PTYCHOCAULIDAE) (FOSSIL)
- barroneti, Venericor barroneti (Munier-Chalmas 1881) † - (CARDITIDAE) (FOSSIL)
- barroni, Monogamus barroni (C.B. Adams, 1854) - (EULIMIDAE)
- barroniana, Fadyenia barroniana E. Chitty, 1857 - (HELICINIDAE)
- barrosensis, Africonus barrosensis (T. Cossignani & R. Fiadeiro, 2017) - (CONIDAE)
- barrosi, Brasityphis barrosi R.S. Absalão & F.N. Santos, 2003 - (MURICIDAE)
- barrosi, Natica barrosi R.A. Philippi, 1887 † - syn of: Glossaulax pachystoma (L.H. Hupé, 1854 †) - (NATICIDAE) (FOSSIL)
- barrosi, Leionucula barrosi (R.A. Philippi, 1887 †) - (NUCULIDAE) (FOSSIL)
- barrowensis, Quistrachia barrowensis G.A. Solem, 1997 - (CAMAENIDAE)
- barruelense, Revilloceras barruelense Wagner-Gentis, 1980 † - syn of: Dombarites granofalcatus Kullmann, 1961 † - (DELEPINOCERATIDAE) (FOSSIL)
- barryae, Latidorsella barryae Anderson, 1958 † - (DESMOCERATIDAE) (FOSSIL)
- barryana, Acanthohoplites barryana F.M. Anderson, 1938 † - (DESHAYESITIDAE) (FOSSIL)
- barryi, Melanochlamys barryi T.M. Gosliner, 1990 - (AGLAJIDAE)
- barryi, Idioraphe barryi LeBlanc, 1942 † - (TORNIDAE) (FOSSIL)
- barrywilsoni, Scabricola barrywilsoni (J.M. Cate, 1968) - (MITRIDAE)
- barsdelli, Nassarius barsdelli H.S. Ladd, 1976 - (NASSARIIDAE)
- barskovae, Bemella barskovae Parkhaev, 2001 † - (HELCIONELLIDAE) (FOSSIL)
- barskovi, Anomphalus barskovi Mazaev, 2015 † - (ANOMPHALIDAE) (FOSSIL)
- barskovi, Biarmiceras barskovi Leonova & al., 2005 † - (MONGOLOCERATIDAE) (FOSSIL)
- Barskovia, Genus Barskovia Golubev, 1976 (ALDANELLIDAE) (FOSSIL)
- Bartellettia, syn of: Genus Bartlettia H. Adams, 1867 (ETHERIIDAE)
- barthai, Melanopsis barthai K. Bandel, 2000 † - (MELANOPSIDAE) (FOSSIL)
- barthai, Szaboella barthai K. Bandel & F. Riedel, 1994 † - (POTAMIDIDAE) (FOSSIL)
- barthelemyi, Pionoconus barthelemyi (M. Bernardi, 1861) - (CONIDAE)
- barthelemyi, Monetaria moneta barthelemyi (M. Bernardi, 1861) - (CYPRAEIDAE)
- barthelemyi, Turbonilla barthelemyi E. Saurin, 1958 - (PYRAMIDELLIDAE)
- barthelemyi, Cabestana barthelemyi A.C. Bernardi, 1857 - syn of: Cabestana spengleri (G. Perry, 1811) - (RANELLIDAE)
- barthelemyi gauguini, Pionoconus barthelemyi gauguini G. Richard & B. Salvat, 1973 - syn of: Pionoconus gauguini G. Richard & B. Salvat, 1973 - (CONIDAE)
- barthelemyi jeanduvali, Pionoconus barthelemyi jeanduvali L. Bozzetti, 2010 - (CONIDAE)
- bartheli, Pugnellus bartheli S. Kiel & K. Bandel, 1999 † - (PUGNELLIDAE) (FOSSIL)
- barthelowi, Afer barthelowi P. Bartsch, 1942 - syn of: Latiromitra barthelowi (P. Bartsch, 1942) - (BUCCINIDAE)
- barthelowi, Latiromitra barthelowi (P. Bartsch, 1942) - (COSTELLARIIDAE)
- barthelowi, Eulima barthelowi (P. Bartsch, 1917) - (EULIMIDAE)
- barthelowi, Benthovoluta barthelowi P. Bartsch, 1942 - syn of: Latiromitra barthelowi (P. Bartsch, 1942) - (PTYCHATRACTIDAE)
- barthelowi, Cyomesus barthelowi P. Bartsch, 1942 - syn of: Latiromitra barthelowi (P. Bartsch, 1942) - (PTYCHATRACTIDAE)
- barthelowi, Zebinella barthelowi (P. Bartsch, 1915) - (RISSOINIDAE)
- barthelowi, Rissoina barthelowi P. Bartsch, 1915 - syn of: Zebinella barthelowi (P. Bartsch, 1915) - (RISSOINIDAE)
- barthelowi, Bankia barthelowi P. Bartsch, 1927 - (TEREDINIDAE)
- barthelowi, Prodallia barthelowi P. Bartsch, 1942 - syn of: Latiromitra barthelowi (P. Bartsch, 1942) - (VOLUTIDAE)
- Barthelticeras, Genus Barthelticeras Schairer , 1989 (PERISPHINCTIDAE) (FOSSIL)
- barthi, Gabbiella barthi (D.S. Brown, 1980) - (BITHYNIIDAE)
- barthi, Biomphalaria barthi D.S. Brown, 1973 - (PLANORBIDAE)
- bartholomai, Didymalgia bartholomai Cook, 1997 † - (ORIOSTOMATIDAE) (FOSSIL)
- bartholomewi, Pisanianura bartholomewi H.S. Ladd, 1977 † - (PISANIANURIDAE) (FOSSIL)
- bartlettae, Ferreiraella bartlettae (A. Ferreira, 1986) - (ABYSSOCHITONIDAE)
- bartlettae, Lepidozona bartlettae A. Ferreira, 1986 - syn of: Ferreiraella bartlettae (A. Ferreira, 1986) - (ISCHNOCHITONIDAE)
- bartlettense, Spinyplatyceras bartlettense (E.L. Yochelson & Kopf, 1956 †) - (PLATYCERATIDAE) (FOSSIL)
- bartletti, Ferreiraella bartletti A. Ferreira, 1986 - syn of: Ferreiraella bartlettae (A. Ferreira, 1986) - (ABYSSOCHITONIDAE)
- bartletti, Drymaeus bartletti A. Adams, 1866 - (BULIMULIDAE)
- bartletti, Columbinia bartletti (C.B. Adams, 1866) - (CLAUSILIIDAE)
- bartletti, Erronea bartletti W.R. Steadman - syn of: Erronea ovum (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- bartletti, Antalis bartletti (J. Henderson, 1920) - (DENTALIIDAE)
- bartletti, Lepidopleurus bartletti A. Ferreira, 1986 - syn of: Ferreiraella bartlettae (A. Ferreira, 1986) - (LEPTOCHITONIDAE)
- bartletti, Lagocyclus bartletti (C.B. Adams, 1870) - (NEOCYCLOTIDAE)
- bartletti, Sepia bartletti (T. Iredale, 1954) - (SEPIIDAE)
- bartletti, Fulgurofusus bartletti (W.J. Clench & C.G. Aguayo, 1940) - (TURBINELLIDAE)
- bartletti, Histricosceptrum bartletti (W.J. Clench & C.G. Aguayo, 1940) - syn of: Fulgurofusus bartletti (W.J. Clench & C.G. Aguayo, 1940) - (TURBINELLIDAE)
- Bartlettia, Genus Bartlettia H. Adams, 1867 (ETHERIIDAE)
- bartlettiana, Coryda bartlettiana (L. Pfeiffer, 1848) - (CEPOLIDAE)
- bartlettiana, Cypraea bartlettiana C.J. Maury, 1912 † - syn of: Sphaerocypraea bartlettiana (C.J. Maury, 1912 †) - (CYPRAEIDAE) (FOSSIL)
- bartlettiana, Sphaerocypraea bartlettiana (C.J. Maury, 1912 †) - (EOCYPRAEIDAE) (FOSSIL)
- bartlettii, Tenaturris bartlettii (W.H. Dall, 1889) - (MANGELIIDAE)
- bartlingii, Loligo bartlingii C.A. Lesueur, 1821 - syn of: Onychoteuthis banksii (W.E. Leach, 1817) - (LOLIGINIDAE)
- bartolinae, Nordophiceratoides bartolinae Guex & al., 2010 † - (NORDOPHICERATIDAE) (FOSSIL)
- bartolinii, Melanopsis bartolinii G. Capellini, 1873 † - (MELANOPSIDAE) (FOSSIL)
- bartolinii, Neohoploceras bartolinii Cantu-Chapa, 2009 † - (NEOCOMITIDAE) (FOSSIL)
- bartolomense, Bittium bartolomense P. Bartsch, 1917 - (CERITHIIDAE)
- bartolomensis, Naesiotus tanneri bartolomensis J. Vagvolgyi, 1977 - (BULIMULIDAE)
- bartolomensis, Turbonilla bartolomensis P. Bartsch, 1917 - (PYRAMIDELLIDAE)
- bartolomensis, Alvania bartolomensis P. Bartsch, 1917 - (RISSOIDAE)
- bartolomeoi, Chauvetia bartolomeoi R. Ardovini, 2008 - (BUCCINIDAE)
- bartonella, Turbonilla bartonella A.M. Strong & L.G. Hertlein, 1939 - (PYRAMIDELLIDAE)
- bartonense, Cerithioderma bartonense Wrigley, 1942 † - (CAPULIDAE) (FOSSIL)
- bartonense, Cerithium bartonense Stanton, 1947 † - (CERITHIIDAE) (FOSSIL)
- bartonensis, Stygopyrgus bartonensis R. Hershler & A.J. Longley, 1986 - (COCHLIOPIDAE)
- bartonensis, Cypraea bartonensis F.E. Edwards, 1854 † - (CYPRAEIDAE) (FOSSIL)
- bartonensis, Entomope bartonensis F.E. Edwards † - (ELACHISINIDAE) (FOSSIL)
- bartonensis, Littorina bartonensis T. Brown, 1843 - syn of: Littorina littorea (C. Linnaeus, 1758) - (LITTORINIDAE)
- bartonensis, Margarites bartonensis Stanton, 1947 † - (MARGARITIDAE) (FOSSIL)
- bartonensis, Amphinerita bartonensis Symonds, 2002 † - (NERITIDAE) (FOSSIL)
- bartonensis, Amblyacrum bartonensis F.E. Edwards † - (RAPHITOMIDAE) (FOSSIL)
- bartonensis, Dientomochilus bartonensis (Sowerby, 1813 †) - (RIMELLIDAE) (FOSSIL)
- bartonensis, Monodonta bartonensis Stanton, 1947 † - (TROCHIDAE) (FOSSIL)
- bartonensis ornatus, Dientomochilus bartonensis ornatus G.P. Deshayes, 1835 † - syn of: Dientomochilus ornatus (G.P. Deshayes, 1835 †) - (RIMELLIDAE) (FOSSIL)
- bartonensis vaughani, Margarites bartonensis vaughani Stanton, 1947 † - (MARGARITIDAE) (FOSSIL)
- Bartonia, Genus Bartonia Cossmann, 1901 (BUCCINIDAE) (FOSSIL)
- bartoniana, Suessionia bartoniana L. Gougerot & Renard, 1963 † - (BUCCINIDAE) (FOSSIL)
- bartramii, Ommastrephes bartramii (C.A. Lesueur, 1821) - (OMMASTREPHIDAE)
- Bartrumella, Genus Bartrumella Laws, 1940 (PYRAMIDELLIDAE) (FOSSIL)
- bartrumi, Anabathron bartrumi (C.R. Laws, 1950 †) - (ANABATHRIDAE) (FOSSIL)
- bartrumi, Bathytoma bartrumi C.R. Laws, 1939 † - (BORSONIIDAE) (FOSSIL)
- bartrumi, Penion bartrumi (C.R. Laws, 1941 †) - (BUCCINIDAE) (FOSSIL)
- bartrumi, Fasciculicardia bartrumi (Fleming, 1950 †) - (CARDITIDAE) (FOSSIL)
- bartrumi, Cylichnania bartrumi J. Marwick, 1931 † - (CYLICHNIDAE) (FOSSIL)
- bartrumi, Myllita bartrumi (C.R. Laws, 1940 †) - (LASAEIDAE) (FOSSIL)
- bartrumi, Zemyllita bartrumi C.R. Laws, 1940 † - syn of: Myllita bartrumi (C.R. Laws, 1940 †) - (LASAEIDAE) (FOSSIL)
- bartrumi, Bedeva bartrumi (J. Marwick, 1948 †) - (MURICIDAE) (FOSSIL)
- bartrumi, Odostomia bartrumi C.R. Laws, 1940 † - (PYRAMIDELLIDAE) (FOSSIL)
- bartrumi, Haurokoa bartrumi (Powell, 1938 †) - (RANELLIDAE) (FOSSIL)
- bartrumi, Nepotilla bartrumi C.R. Laws, 1939 † - (RAPHITOMIDAE) (FOSSIL)
- bartrumi, Cylichnina bartrumi J. Marwick, 1931 † - (RETUSIDAE) (FOSSIL)
- bartrumi, Kaweka bartrumi C.R. Laws, 1936 † - (TEREBRIDAE) (FOSSIL)
- bartrumi, Thyasira bartrumi Powell, 1935 † - (THYASIRIDAE) (FOSSIL)
- bartrumi, Miofractarmilla bartrumi C.R. Laws, 1948 † - (TROCHIDAE) (FOSSIL)
- bartrumi, Dosinia bartrumi C.R. Laws, 1930 † - (VENERIDAE) (FOSSIL)
- bartrumi, Tawera bartrumi J. Marwick, 1927 † - (VENERIDAE) (FOSSIL)
- bartrumi, Alcithoe bartrumi L. C. King, 1933 † - (VOLUTIDAE) (FOSSIL)
- Bartrumia, Genus Bartrumia Marwick, 1934 (TELLINIDAE) (FOSSIL)
- Bartschella, Subgenus Turbonilla (Bartschella) T. Iredale, 1916 (PYRAMIDELLIDAE)
- bartschi, Borsonella bartschi (R. Arnold, 1903) - (BORSONIIDAE)
- bartschi, Calocochlia roissyana bartschi W.J. Clench & S. Archer, 1932 - (BRADYBAENIDAE)
- bartschi, Thersites bartschi W.B. Marshall, 1927 - (CAMAENIDAE)
- bartschi, Eucorys bartschi (H.A. Rehder, 1943) - (CASSIDAE)
- bartschi, Scobinella bartschi A.A. Olsson, 1930 † - (CLATHURELLIDAE) (FOSSIL)
- bartschi, Nenisca bartschi (H.A. Rehder, 1939) - (CLAUSILIIDAE)
- bartschi, Cuna bartschi K.H. Barnard, 1964 - (CONDYLOCARDIIDAE)
- bartschi, Stephanoconus bartschi (G.D. Hanna & A.M. Strong, 1949) - (CONIDAE)
- bartschi, Propustularia bartschi W.M. Ingram, 1939 † - (CYPRAEIDAE) (FOSSIL)
- bartschi, Cymatosyrinx bartschi F. Haas, 1941 - (DRILLIIDAE)
- bartschi, Microeulima bartschi (A.M. Strong & L.G. Hertlein, 1937) - (EULIMIDAE)
- bartschi, Protonema bartschi Cooke, 1928 † - (EULIMIDAE) (FOSSIL)
- bartschi, Sonorella bartschi H.A. Pilsbry & J.H. Ferriss, 1915 - (HELMINTHOGLYPTIDAE)
- bartschi, Nesobornia bartschi A.L. Chavan, 1969 - (KELLIIDAE)
- bartschi, Lima bartschi K.H.J. Thiele, 1918 - syn of: Acesta philippinensis (P. Bartsch, 1913) - (LIMIDAE)
- bartschi, Acesta bartschi K.H.J. Thiele, 1918 - syn of: Acesta philippinensis (P. Bartsch, 1913) - (LIMIDAE)
- bartschi, Cyclostrema bartschi (W.C. Mansfield, 1936) - syn of: Cyclostremiscus bartschi (W.C. Mansfield, 1936) - (LIOTIIDAE)
- bartschi, Uroteuthis bartschi H.A. Rehder, 1945 - (LOLIGINIDAE)
- bartschi, Curtitoma bartschi (I.P. Bogdanov, 1985) - (MANGELIIDAE)
- bartschi, Farcimen bartschi L.O. Alcalde, 1945 - (MEGALOMASTOMIDAE)
- bartschi, Anodontites bartschi F.C. Baker, 1913 - syn of: Anodontites obtusa (J.B. von Spix & J.A. Wagner, 1827) - (MYCETOPODIDAE)
- bartschi, Simnia bartschi (C.N. Cate, 1973) - (OVULIDAE)
- bartschi, Phenacovolva bartschi C.N. Cate, 1973 - syn of: Simnia bartschi (C.N. Cate, 1973) - (OVULIDAE)
- bartschi, Chlamys bartschi R. Arnold, 1906 † - (PECTINIDAE) (FOSSIL)
- bartschi, Pyrgospira tampaensis bartschi (L.M. Perry, 1940) - (PSEUDOMELATOMIDAE)
- bartschi, Fargoa bartschi (H.W. Winkley, 1909) - (PYRAMIDELLIDAE)
- bartschi, Careliopsis bartschi (C.G. Aguayo & H.A. Rehder, 1936) - (PYRAMIDELLIDAE)
- bartschi, Babella bartschi P. Dautzenberg & H. Fischer, 1906 - syn of: Egilina callista (J.C. Melvill, 1893) - (PYRAMIDELLIDAE)
- bartschi, Turbonilla bartschi C.G. Aguayo & H.A. Rehder, 1936 - syn of: Bacteridium bermudense (W.H. Dall & P. Bartsch, 1911) - (PYRAMIDELLIDAE)
- bartschi, Daphnella bartschi W.H. Dall, 1919 - (RAPHITOMIDAE)
- bartschi, Alvania bartschi A.A. Olsson, 1942 † - (RISSOIDAE) (FOSSIL)
- bartschi, Alvania bartschi E.G. Vanatta, 1913 - syn of: Solariorbis infracarinatus W.M. Gabb, 1881 - (RISSOIDAE)
- bartschi, Streptostyla bartschi (W.H. Dall, 1908) - (SPIRAXIDAE)
- bartschi, Teredo bartschi W.F. Clapp, 1923 - (TEREDINIDAE)
- bartschi, Teredo bartschi P.B. Sivickis, 1928 - syn of: Dicyathifer mannii (B.H. Wright, 1866) - (TEREDINIDAE)
- bartschi, Cyclostremiscus bartschi (W.C. Mansfield, 1936) - (TORNIDAE)
- bartschi, Teinostoma bartschi E.G. Vanatta, 1913 - syn of: Solariorbis infracarinatus W.M. Gabb, 1881 - (TORNIDAE)
- bartschi, Triphora bartschi (A.A. Olsson, 1916 †) - (TRIPHORIDAE) (FOSSIL)
- bartschi, Bolma bartschi W.H. Dall, 1913 - (TURBINIDAE)
- bartschi, Coelostemma bartschi H.A. Pilsbry & W.F. Clapp, 1909 - (UROCOPTIDAE)
- bartschi, Tomelasmus acus bartschi (C.G. Aguayo, 1932) - (UROCOPTIDAE)
- bartschi, Corneovelutina bartschi (K.M. Derjugin, 1950) - (VELUTINIDAE)
- bartschi, Yoldia bartschi O.A. Scarlato, 1981 - (YOLDIIDAE)
- bartschi cepa, Thersites bartschi cepa W.B. Marshall, 1927 - syn of: Thersites bartschi W.B. Marshall, 1927 - (CAMAENIDAE)
- bartschi clericus, Oocorys bartschi clericus J.F. Quinn, 1980 - syn of: Oocorys clericus J.F. Quinn, 1980 - (CASSIDAE)
- bartschi diva, Thersites bartschi diva W.B. Marshall, 1927 - syn of: Thersites bartschi W.B. Marshall, 1927 - (CAMAENIDAE)
- bartschi elfa, Thersites bartschi elfa W.B. Marshall, 1927 - syn of: Thersites bartschi W.B. Marshall, 1927 - (CAMAENIDAE)
- bartschi fama, Thersites bartschi fama W.B. Marshall, 1927 - syn of: Thersites bartschi W.B. Marshall, 1927 - (CAMAENIDAE)
- bartschi mobiagensis, Thersites bartschi mobiagensis W.B. Marshall, 1927 - syn of: Thersites bartschi W.B. Marshall, 1927 - (CAMAENIDAE)
- bartschi murrayensis, Thersites bartschi murrayensis W.B. Marshall, 1927 - syn of: Thersites bartschi W.B. Marshall, 1927 - (CAMAENIDAE)
- bartschi nesia, Thersites bartschi nesia W.B. Marshall, 1927 - syn of: Thersites bartschi W.B. Marshall, 1927 - (CAMAENIDAE)
- bartschi nura, Thersites bartschi nura W.B. Marshall, 1927 - syn of: Thersites bartschi W.B. Marshall, 1927 - (CAMAENIDAE)
- bartschi oma, Thersites bartschi oma W.B. Marshall, 1927 - syn of: Thersites bartschi W.B. Marshall, 1927 - (CAMAENIDAE)
- bartschi paulensis, Thersites bartschi paulensis W.B. Marshall, 1927 - (CAMAENIDAE)
- bartschi yamensis, Thersites bartschi yamensis W.B. Marshall, 1927 - syn of: Thersites bartschi W.B. Marshall, 1927 - (CAMAENIDAE)
- Bartschia, Genus Bartschia H.A. Rehder, 1943 (COLUBRARIIDAE)
- bartschiana, Chemnitzia bartschiana J. Brown & H.A. Pilsbry, 1913 † - (PYRAMIDELLIDAE) (FOSSIL)
- Bartschicoma, Genus Bartschicoma F. Afshar, 1969 (TELLINIDAE)
- bartschii, Anachis bartschii W.H. Dall, 1918 - syn of: Anachis gaskoini (P.P. Carpenter, 1857) - (COLUMBELLIDAE)
- bartschii, Anachis bartschii A.M. Keen, 1958 - syn of: Anachis fayae A.M. Keen, 1971 - (COLUMBELLIDAE)
- bartschii, Helisoma anceps bartschii H.B. Baker, 1945 - (PLANORBIDAE)
- bartschii, Acharax bartschii (W.H. Dall, 1908) - (SOLEMYIDAE)
- Bartschivindex, Subgenus Poteria (Bartschivindex) F.C. Baker, 1943 (NEOCYCLOTIDAE)
- barumense, Orthoceras barumense Whidborne † - (ORTHOCERATIDAE) (FOSSIL)
- barumensis, Euphemites barumensis (Whidborne, 1896 †) - (EUPHEMITIDAE) (FOSSIL)
- baruna, Gymnobela baruna A.V. Sysoev, 1997 - (RAPHITOMIDAE)
- barvicensis, Doris barvicensis G. Johnston, 1838 - syn of: Goniodoris nodosa (G. Montagu, 1808) - (DORIDIDAE)
- barvicensis, Goniodoris barvicensis G. Johnston, 1838 - syn of: Goniodoris nodosa (G. Montagu, 1808) - (GONIODORIDIDAE)
- barvicensis, Trophonopsis barvicensis (G. Johnston, 1825) - (MURICIDAE)
- barwicki, Zestoceras barwicki (Johnson, 1941 †) - (TRACHYCERATIDAE) (FOSSIL)
- Baryconites, Genus Baryconites Palmer, 1928 (HIPPURITIDA (UNASSIGNED)) (FOSSIL)
- Barycypraea, Genus Barycypraea F.A. Schilder, 1927 (CYPRAEIDAE)
- Barymactra, Genus Barymactra A.E.M. Cossmann & M.A. Peyrot, 1909 (MACTRIDAE)
- Barynaias, Genus Barynaias J.C.H. Crosse & P. Fischer, 1894 (UNIONIDAE)
- Barynema, Genus Barynema Fraunfelter, 1973 (PLATYCERATIDAE) (FOSSIL)
- Baryosta, syn of: Genus Amblema C.S. Rafinesque, 1820 (UNIONIDAE)
- barypus, Milax barypus J.R. Bourguignat, 1866 - (MILACIDAE)
- baryshnikovi, Iliamneme baryshnikovi I.M. Likharev & A.A. Schileyko, 2007 - (CLAUSILIIDAE)
- Baryspira, Subgenus Amalda (Baryspira) P. Fischer, 1883 (ANCILLARIIDAE)
- barystoma, Narona barystoma W.P. Woodring, 1970 † - (CANCELLARIIDAE) (FOSSIL)
- barytata, Ampullina barytata A.E.M. Cossmann, 1923 † - (AMPULLINIDAE) (FOSSIL)
- Barytellina, Genus Barytellina Marwick, 1924 (TELLINIDAE) (FOSSIL)
- Barythaerus, Genus Barythaerus B.A. Marshall, 2002 (THRACIIDAE)
- baryus, Unio baryus É.A.A. Locard, 1889 - syn of: Pseudunio auricularius (L. Spengler, 1793) - (UNIONIDAE)
- Baryvellia, Genus Baryvellia Waller, 2005 (BAKEVELLIIDAE) (FOSSIL)
- barzaviae, Hydrobia barzaviae E. Jekelius, 1932 † - (HYDROBIIDAE) (FOSSIL)
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