Hysteroceras acuticostatum (FOSSIL) Van Hoepen, 1944 †
Euhystrichoceras adkinsi (FOSSIL) Powell, 1963 †
Eubrancoceras aegoceratoides (FOSSIL) Steinmann, 1881 †
Parabrancoceras aenigmaticum (FOSSIL) (M. Collignon, 1949 †)
Mortoniceras aequatorealis (FOSSIL) (Kossmat, 1895 †)
Goodhallites aguilerae (FOSSIL) (Böse, 1923 †)
Mortoniceras albense (FOSSIL) Spath, 1933 †
Brancoceras alternatum (FOSSIL) J. Kennedy, 2004 †
Oxytropidoceras alticarinatum (FOSSIL) Stieler 1920 †
Hysteroceras andinum (FOSSIL) Renz, 1971 †
Prohysteroceras angolaense (FOSSIL) (Boule & al., 1907 †)
Hysteroceras antipodeum (FOSSIL) Etheridge, 1902 †
Manuaniceras applanatus (FOSSIL) M. Collignon, 1936 †
Mortoniceras arietiforme (FOSSIL) Spath, 1922 †
Oxytropidoceras aroeirium (FOSSIL) C.J. Maury, 1936 †
Goodhallites austinense (FOSSIL) (F.A. Roemer, 1852 †)
Elobiceras bahiaense (FOSSIL) C.J. Maury, 1925 †
Boeseites barbouri (FOSSIL) F. Haas, 1942 †
Oxytropidoceras basseae (FOSSIL) Stieler 1920 †
Manuaniceras basseae (FOSSIL) Besairie 1936 †
Mortoniceras bassleri (FOSSIL) F. Haas 1942 †
Euhystrichoceras baylissi (FOSSIL) J. Kennedy & Wright,1981 †
Adkinsites belknapi (FOSSIL) Marcou, 1858 †
Deiradoceras beloventer (FOSSIL) J. Kennedy & al., 1999 †
Parabrancoceras besairiei (FOSSIL) (M. Collignon, 1949 †)
Goodhallites besakatrense (FOSSIL) M. Collignon, 1963 †
Hysteroceras binum (FOSSIL) (Sowerby, 1815 †)
Deiradoceras bipunctatum (FOSSIL) (Spath, 1933 †)
Deiradoceras bispinosum (FOSSIL) (Spath, 1921 †)
Venezoliceras bituberculatum (FOSSIL) M. Collignon, 1966 †
Algericeras boghariense (FOSSIL) (Coquand, 1879 †)
Mortoniceras bontanti (FOSSIL) (de Grossouvre 1894 †)
Dipoloceras bouchardianum (FOSSIL) (A.V.M.D. D'Orbigny,1841 †)
Oxytropidoceras bravoensis (FOSSIL) (Böse, 1910 †)
Parabrancoceras breistrofferi (FOSSIL) (M. Collignon, 1949 †)