Monocuphus atractoides (FOSSIL) (Eudes-Deslongchamps,1843 †)
Quadrinervus autissiodorensis (FOSSIL) (Cotteau, 1854 †)
Latiala bailyi (FOSSIL) (R. Etheridge jr.,1904 †)
Anchura bakeri (FOSSIL) H.G. Richards, 1943 †
Monocuphus balanus (FOSSIL) (Eudes-Deslongchamps,1843 †)
Struthiochenopus bandeli (FOSSIL) C. Nielsen, 2003 †
Anchura baptos (FOSSIL) Elder & Saul, 1996 †
Quadrinervus barrensis (FOSSIL) (Buvignier, 1852 †)
Drepanocheilus bataviensis (FOSSIL) J. Wild & J.D. Stilwell,2016 †
Ceratosiphon becklesi (FOSSIL) (Mantell, 1851 †)
Arrhoges belbekensis (FOSSIL) Gorbach, 1972 †
Diarthema benoisti (FOSSIL) Guirand & Ogérien, 1865 †
Tulochilus bensoni (FOSSIL) (H.J. Finlay& J. Marwick, 1937 †)
Dicroloma bervillei (FOSSIL) (L.É.S. Piette, 1856 †)
Latiala besairiei (FOSSIL) (M. Collignon, 1949 †)
Anchura bexarensis (FOSSIL) L.W. Stephenson, 1941 †
Aporrhais biangulata (FOSSIL) (F.B. Meek & Hayden,1856 †)
Pseudanchura biangulata (FOSSIL) (Anderson, 1938 †)
Aporrhais bicarinata (FOSSIL) F.C.L. Koch & Boll,1861 †
Dicroloma bicarinata (FOSSIL) (G.G. Münster, 1844 †)
Ceratosiphon bicarinatoides (FOSSIL) (Wollemann, 1903 †)
Digitolabrum blaviensis (FOSSIL) J.M. Pacaud,Ledon & Caze, 2011 †
Perissoptera bodei (FOSSIL) (Müller, 1898 †)
Dicroloma bononiensis (FOSSIL) (De Loriol, 1873 †)
Arrhoges boulei (FOSSIL) Cottreau, 1922 †
Aporrhais bowerbankii (FOSSIL) (P. Morris, 1852 †)
Dicroloma breve (FOSSIL) (L.É.S. Piette, 1856 †)
Cuphosolenus brittsi (FOSSIL) Stanton, 1947 †
Kaunhowenia buchii (FOSSIL) (Münster, 1839 †)
Tessarolax bullardi (FOSSIL) Saul & R.L. Squires,2015 †
Aporrhais burdigalensis (FOSSIL) (A.V.M.D. D'Orbigny,1852 †)
Perissoptera burmeisteri (FOSSIL) (H.B. Geinitz, 1846 †)
Dimorphosoma calcarata (FOSSIL) (Sowerby, 1822 †)
Dimorphosoma calcarifera (FOSSIL) Kaunhowen, 1891 †
Graciliala calcaris (FOSSIL) (B. Wade, 1926 †)