Orthoceras striatulum (FOSSIL) (J. de C. Sowerby) † UK, Cornwall
Trematoceras styriacum (FOSSIL) (Mojsisovics, 1873 †) Austria, Oberösterreich, Gmunden
Trematoceras subcampanile (FOSSIL) Kiparisova, 1954 † Russia, Primor'ye, Vladivostok gorsovet
Orthoceras subimbricatum (FOSSIL) Portlock † Ireland
Orthoceras submoniliforme (FOSSIL) Meneghini, 1857 † Italy, Sardegna, Carbonia-Iglesias
Orthoceras subtriangulare (FOSSIL) C. Gemmellaro, 1889 † Italy, Sicily, Palermo
Orthocycloceras tafilaltense (FOSSIL) Kröger, 2008 † Morocco, Tafilalet
Orthoceras tenui (FOSSIL) McCoy † UK, England, Herefordshire
Kopaninoceras thyrsus (FOSSIL) (Barrande, 1870 †) Italy, Sardegna, Carbonia-Iglesias
Tibichoanoceras tibichoanum (FOSSIL) Kröger, 2008 † Morocco, Tafilalet
Trematoceras triadicum (FOSSIL) (Mojsisovics, 1873 †) Austria, Steiermark, Liezen
Orthoceras undulocinctum (FOSSIL) Blake † UK, England
Striatocycloceras undulostriatum (FOSSIL) (J.W. Hall, 1847 †) Estonia, Harju
Orthoceras vagum (FOSSIL) Ruedemann, 1906 † USA, New York, Clinton
Orthoceras vesiculosum (FOSSIL) de Koninck, 1863 †
Orthoceras vicarii (FOSSIL) Whidborne † UK, Devon
Orthoceras vicarii eductum (FOSSIL) Whidborne † UK, Devon
Orthoceras waageni (FOSSIL) C. Gemmellaro, 1889 † Italy, Sicily, Palermo