Anaklinoceras incertum (FOSSIL) Cobban,Kennedy & Scott, 2000 †
Eubostrychoceras indopacificum (FOSSIL) E. Matsumoto, 1967 †
Nostoceras irregulare (FOSSIL) Cobban & Kennedy, 1995 †
Eubostrychoceras japonicum (FOSSIL) (Yabe, 1904 †)
Exiteloceras jenneyi (FOSSIL) (R.P. Whitfield, 1877 †)
Didymoceras jorgenseni (FOSSIL) Cobban,Kennedy & Scott, 2000 †
Ainoceras kamuyi (FOSSIL) E. Matsumoto in E. Matsumoto& Kaine, 1967 †
Nostoceras kernense (FOSSIL) F.M. Anderson, 1958 †
Nostoceras larimerense (FOSSIL) Cobban,Kennedy & Scott, 2000 †
Nostoceras major (FOSSIL) J. Kennedy & Cobban,1993 †
Nostoceras malagasyense (FOSSIL) (M. Collignon, 1971 †)
Nostoceras mariatheresianum (FOSSIL) F. Haas, 1943 †
Eubostrychoceras matsumotoi (FOSSIL) Cobban, 1987 †
Nostoceras mendryki (FOSSIL) Cobban, 1974 †
Anaklinoceras minutum (FOSSIL) J. Kennedy & al., 2000 †
Anaklinoceras minutum (FOSSIL) Cobban,Kennedy & Scott, 2000 †
Nostoceras monotuberculatum (FOSSIL) J. Kennedy & Cobban,1993 †
Didymoceras navarroensis (FOSSIL) (Shumard, 1861 †)
Didymoceras nebrascense (FOSSIL) (F.B. Meek & Hayden,1856 †)
Didymoceras newtoni (FOSSIL) (R.P. Whitfield, 1877 †)
Didymoceras nicolletii (FOSSIL) (J.W. Hall & F.B. Meek,1856 †)
Nostoceras obtusum (FOSSIL) Howarth, 1965 †
Hyphantoceras oshimai (FOSSIL) (Yabe, 1904 †)
Eubostrychoceras otsukai (FOSSIL) (Yabe, 1904 †)
Eubostrychoceras otsukai boulei (FOSSIL) (M. Collignon, 1932 †)
Nostoceras pauper (FOSSIL) (R.P. Whitfield, 1892 †)
Didymoceras platycostatum (FOSSIL) J. Kennedy & Cobban,1993 †
Nostoceras plerucostatum (FOSSIL) Kennedy & Cobban, 1993 †
Nostoceras pleurocostatum (FOSSIL) J. Kennedy & Cobban,1993 †
Hyphantoceras plicatum (FOSSIL) (A.V.M.D. D'Orbigny,1842 †)
Bostrychoceras polyplocum (FOSSIL) (F.A. Roemer, 1841 †)
Didymoceras puebloense (FOSSIL) Cobban,Kennedy & Scott, 1997 †
Nostoceras pulcher (FOSSIL) J. Kennedy & Cobban,1993 †
Nostoceras puzosiforme (FOSSIL) Kennedy & Cobban, 1994 †
Anaklinoceras reflexum (FOSSIL) L.W. Stephenson, 1941 †