Scaphitidae Meek, 1876
Ammonites batesi
Ammonites difficialis
Ammonites dutempleanus
Ammonites nucleus
Ammonites tricarinatus
Otoscaphites bladenensis
Otoscaphites (Otoscaphites) klamathensis
Otoscaphites (Hyposcaphites) matsumotoi
Otoscaphites (Hyposcaphites) perrini
Otoscaphites seabeensis
Otoscaphites subevolutus
Scaphites arcadiensis
Scaphites binneyi
Scaphites bosquensis
Scaphites corvensis
Scaphites delicatulus
Scaphites depressus
Scaphites (Scaphites) equalis
Scaphites eruciformis Etheridge, 1902
Scaphites (Scaphites) gibbus
Scaphites (Scaphites) haugi
Scaphites (Scaphites) hippocrepis
Scaphites hugardianus
Scaphites inflatus Roemer
Scaphites mariasensis
Scaphites nigricollensis
Scaphites (Scaphites) obliquus
Scaphites patulus
Scaphites preventricosus
Scaphites (Scaphites) spiniger
Scaphites subdelicatus
Scaphites ventricosus
Scaphites whitfieldi