Parasphaerorthoceras accuratum (FOSSIL) Ristedt, 1968 † Austria, Kärnten, Hermagor
Plagiostomoceras acerbum (FOSSIL) P.A. Zhuravleva, 2006 †
Plagiostomoceras adumbratum (FOSSIL) P.A. Zhuravleva, 2006 †
Hemicosmorthoceras aichae (FOSSIL) Kröger, 2008 † Morocco, Tafilalet
Plagiostomoceras angustum (FOSSIL) (Holzapfel, 1885 †) Poland
Sphaerorthoceras beatum (FOSSIL) Ristedt, 1968 † Italy, Sardegna, Carbonia-Iglesias
Plagiostomoceras bifrons (FOSSIL) (Barrande, 1866 †) Morocco, Tafilalet
Plagiostomoceras cardiolae (FOSSIL) (Gurich, 1896 †) Poland
Plagiostomoceras culter (FOSSIL) (Barrande, 1866 †) Morocco, Tafilalet
Plagiostomoceras devingtalae (FOSSIL) P.A. Zhuravleva, 1978 †
Hemicosmorthoceras dimidiatum (FOSSIL) (Sowerby in Murchinson, 1839 †)
Plagiostomoceras fragile (FOSSIL) Kroeger, 2004 †
Akrosphaerorthoceras gregalis (FOSSIL) Ristedt, 1968 †
Plagiostomoceras gruenwaldti (FOSSIL) (Barrande, 1866 †)
Plagiostomoceras hassichebbiense (FOSSIL) Klug,Kroeger & al., 2008 †
Plagiostomoceras kuzmini (FOSSIL) P.A. Zhuravleva, 2006 †
Plagiostomoceras lategruenwaldti (FOSSIL) Kröger, 2008 † Morocco, Tafilalet
Hemicosmorthoceras laterculum (FOSSIL) Ristedt, 1968 † Austria, Kärnten, Hermagor
Tienoceras lenticulare (FOSSIL) J.K. Zhao, 1954 † China, Hunan, Xiangtan
Plagiostomoceras placidum (FOSSIL) (Barrande, 1868 †)
Plagiostomoceras pleurotomum (FOSSIL) (Barrande, 1866 †) Poland
Plagiostomoceras reticulatum (FOSSIL) Kröger, 2008 † Morocco, Tafilalet
Hemicosmorthoceras semiannulatum (FOSSIL) (Barrande, , 1870 †) Italy, Sardinia Island
Hemicosmorthoceras semimbricatum (FOSSIL) Gnoli, 1982 † Italy, Sardegna, Carbonia-Iglesias
Hemicosmorthoceras species (FOSSIL) † Morocco, Tafilalet
Plagiostomoceras vinogradovi (FOSSIL) P.A. Zhuravleva, 2006 †