Endodiscosorus foerstei (FOSSIL) Teichert, 1931 † Canada, Lake Timiskaming
Endodiscosorus lyonensis (FOSSIL) (Foerste, 1936 †) Iowa
Endodiscosorus remotus (FOSSIL) (Foord, 1888 †) Canada, Lake Huron
Kayoceras biconoideum (FOSSIL) (A. Thomas, 1915 †) Iowa
Kayoceras thomasi (FOSSIL) Foerste, 1934 † Iowa
Stokesoceras balticum (FOSSIL) Teichert, 1934 †
Stokesoceras cylindratum (FOSSIL) Foerste & Savage, 1927 † Canada, Hudson Bay
Stokesoceras ekwanense (FOSSIL) Foerste & Savage, 1927 † Canada, Hudson Bay
Stokesoceras engadinense (FOSSIL) Foerste, 1924 † Michigan
Stokesoceras gracile (FOSSIL) (Foord, 1888 †) Michigan
Stokesoceras keewatinense (FOSSIL) (J.J.F. Whiteaves,1904 †)
Stokesoceras perobliquum (FOSSIL) Foerste, 1925 † Canada, Lake Timiskaming
Stokesoceras romingeri (FOSSIL) Foerste, 1924 † Michigan
Tuyloceras percurvatum (FOSSIL) Foerste & Savage, 1927 † Canada, Hudson Bay
Tuyloceras southamptonense (FOSSIL) Foerste & Savage, 1927 † Canada, Southampton Island