Isorthoceras albersi (FOSSIL) (Miller & M.J. Faber,1894 †) USA, Ohio, Hamilton
Gorbyoceras alternestriatum (FOSSIL) (E. Strand, 1934 †) Panama, Colón
Isorthoceras angelini (FOSSIL) Kröger, 2013 † Sweden, Dalarna
Monomuchites annularis (FOSSIL) M.A. Frey, 1995 † USA, Kentucky, Jessamine
Stereospyroceras champlainense (FOSSIL) Flower, 1955 † USA, Vermont, Addison
Treptoceras cincinnatiensis (FOSSIL) (Miller, 1875 †) USA, Indiana, Franklin
Gorbyoceras clathroannulatum (FOSSIL) (F.A. Roemer, 1861 †)
Stereospyroceras clintoni (FOSSIL) (Miller, 1877 †) United States, New York, Clinton
Monomuchites costalis (FOSSIL) Wilson, 1961 † USA, Kentucky, Jessamine
Isorthoceras curvilineatum (FOSSIL) Kröger, 2013 † Sweden, Dalarne
Mesnaquaceras curviseptatum (FOSSIL) Flower, 1955 † United States, Vermont, Grand Isle
Isorthoceras dalecarlense (FOSSIL) Kröger & al., 2011 † Sweden, Dalarna, Rättvik
Gangshanoceras densum (FOSSIL) Zou, 1988 †
Treptoceras duseri (FOSSIL) (J.W. Hall& R.P. Whitfield, 1875 †) USA, Indiana, Franklin
Orthonybyoceras dyeri (FOSSIL) (Miller, 1875 †) USA, Indiana, Dearborn
Palaeocycloceras eichwaldi (FOSSIL) I. Balashov, 1968 † Swedwn, Bornholm
Isorthoceras elongatocinctum (FOSSIL) (Portlock, 1843 †) UK, Northern Ireland
Treptoceras fosteri (FOSSIL) (Miller, 1875 †) USA, Indiana, Ripley
Ephippiorthoceras frognoeyense (FOSSIL) E. Strand, 1933 † Norway, Buskerud, Modum
Ephippiorthoceras frognoyense (FOSSIL) E. Strand, 1934 † Norway, Buskerud, Modum
Gorbyoceras gorbyi (FOSSIL) (Miller, 1894 †) USA, Ohio, Brown
Gorbyoceras gracile (FOSSIL) (Portlock, 1843 †) UK, Northern Ireland
Gangshanoceras guichinense (FOSSIL) Ying, 1989 †
Gorbyoceras hammelli (FOSSIL) (Foerste, 1910 †) Canada, Ontario, Lake Hurron
Isorthoceras heroyense (FOSSIL) (E. Strand, 1934 †) Norway, Telemark, Porsgrunn
Tofangoceras irregulare (FOSSIL) T. Kobayashi, 1928 † South Korea
Isorthoceras junceum (FOSSIL) (I. Balashov, 1956 †) Sweden, Dalarna, Rättvik
Gangshanoceras jurongense (FOSSIL) Zou, 1988 †
Cyrtactinoceras mitsuishii (FOSSIL) T. Kobayashi, 1928 † South Korea
Proteoceras moniliforme (FOSSIL) (J.W. Hall, 1847 †) USA, New York, Clinton
Monomuchites obliquum (FOSSIL) M.A. Frey, 1995 † USA, Kentucky, Jessamine
Transorthoceras osmundsbergense (FOSSIL) Kröger & al., 2011 † Sweden, Dalarna, Rättvik
Tofangoceras pauciannulatum (FOSSIL) T. Kobayashi, 1928 † South Korea
Proteoceras perkinsi (FOSSIL) (Ruedemann, 1906 †) USA, New York, Clinton
Ephippiorthoceras plicatuloides (FOSSIL) E. Strand, 1934 † Panama, Colón