Azaria Tryon, 1872 accepted as Agaria Gray, 1840 (original description)
Bothrocorbula Gabb, 1873 † (original description)
Breviarca Conrad, 1872 accepted as Striarca Conrad, 1862 (original description)
Cylichnella Gabb, 1873 (original description)
Dolophanes Gabb, 1873 accepted as Microstelma A. Adams, 1863 (original description)
Ectracheliza Gabb, 1873 (original description)
Erisichthe Cope, 1872 † (original description)
Glyphostoma Gabb, 1873 (original description)
Hipposyus Leidy, 1872 (original description)
Iopsis Gabb, 1873 accepted as Zebina H. Adams & A. Adams, 1854 (original description)
Linnotherium Leidy, 1872 (original description)
Neaeromya Gabb, 1873 (original description)
Oligosimus Leidy, 1872 † (original description)
Orthaulax Gabb, 1872 † (original description)
Ostrenomia Conrad, 1872 (original description)
Palaeacodon Leidy, 1872 † (original description)
Planorbella Gabb, 1873 † (original description)
Pleuroconcha Conrad, 1872 † (original description)
Plionema Conrad, 1872 † (original description)
Plochelaea Gabb, 1872 † (original description)
Rhamphosaurus Cope, 1872 † (original description)
Tylosteus Leidy, 1872 † (original description)
Uintacyon Leidy, 1872 † (original description)
Uintamastix Leidy, 1872 (original description)
Uintatherium Leidy, 1872 † (original description)
Vetericardia Conrad, 1872 † accepted as Vetericardiella Chavan, 1969 † (original description)