Skirroceras nelchinanum (FOSSIL) Imlay, 1964 †
Stephanoceras nodosum (FOSSIL) (F.A. von Quenstedt †)
Stephanoceras obesum (FOSSIL) Imlay, 1964 †
Cadomites orbignyi (FOSSIL) de Grossouvre, 1930 †
Mollistephanus ottiliae (FOSSIL) Galácz, 2015 †
Stemmatoceras palliseri (FOSSIL) (McLearn, 1927 †)
Duashnoceras paucicostatum (FOSSIL) (Felix, 1891 †)
Phaulostephanus paululus (FOSSIL) (Buckman, 1927 †)
Kumatostephanus perjucundus (FOSSIL) (Buckman, 1927 †)
Stephanoceras plagium (FOSSIL) Buckman †
Stephanoceras pyritosum (FOSSIL) (F.A. von Quenstedt,1886 †)
Stephanoceras scalare (FOSSIL) Weisert, 1932 †
Cadomites septicostatus (FOSSIL) Buckman †
Stephanoceras skidegatense (FOSSIL) J.J.F. Whiteaves, 1876 †
Stemmatoceras subcoronatum (FOSSIL) (Oppel, 1856 †)
Lokuticeras tenuicostatum (FOSSIL) (Hochstetter, 1897 †)
Stemmatoceras triptolemus (FOSSIL) (Morris & J. Lycett,1851 †)
Stephanoceras umbilicum (FOSSIL) (F.A. von Quenstedt,1886 †)
Duashnoceras undulatum (FOSSIL) (Burckhardt, 1927 †)
Stemmatoceras ursinum (FOSSIL) Imlay, 1936 †