Hyphantoceras reussianum (FOSSIL) (A.V.M.D. D'Orbigny,1850 †)
Nostoceras rotundum (FOSSIL) Howarth, 1965 †
Nostoceras rugosum (FOSSIL) Cobban & Kennedy, 1991 †
Morewites sakakibarai (FOSSIL) Y. Shigeta, 2014 †
Nostoceras saundersorum (FOSSIL) L.W. Stephenson, 1941 †
Eubostrychoceras saxonicum (FOSSIL) (Schluter, 1875 †)
Nostoceras schloenbachi (FOSSIL) (J. Favre, 1869 †)
Jouaniceras sicardi (FOSSIL) (Grossouvre, 1894 †)
Axonoceras sohli (FOSSIL) Cobban, 1974 †
Nostoceras splendidus (FOSSIL) (Shumard, 1861 †)
Nostoceras stantoni (FOSSIL) A. Hyatt, 1894 †
Didymoceras stevensoni (FOSSIL) (R.P. Whitfield, 1877 †)
Didymoceras subtuberculatum (FOSSIL) Howarth, 1965 †
Anaklinoceras tenuicostatum (FOSSIL) J. Kennedy & Cobban,1994 †
Didymoceras tenuicostatus (FOSSIL) (F.B. Meek & Hayden,1858 †)
Didymoceras tortus (FOSSIL) (F.B. Meek & Hayden,1858 †)
Didymoceras tricostatus (FOSSIL) (R.P. Whitfield, 1897 †)
Didymoceras umbilicatus (FOSSIL) (F.B. Meek & Hayden,1858 †)
Didymoceras uncus (FOSSIL) (F.B. Meek & Hayden,1858 †)
Ankinatsytes venezolanus (FOSSIL) Renz, 1982 †
Helicoceras venustum (FOSSIL) Yabe, 1904 †
Didymoceras vespertinus (FOSSIL) (T.A. Conrad, 1874 †)
Didymoceras wrighti (FOSSIL) Cobban,Kennedy & Scott, 2000 †
Ankinatsytes yabei (FOSSIL) M. Collignon, 1965 †
Eubostrychoceras zulu (FOSSIL) Klinger & J. Kennedy,2003 †