Alabamina Toulmin, 1941 (original description)
Bactrognathus Branson & Mehl, 1941 † (original description)
Carcinocrinus Laudon, 1941 † (original description)
Ceratreta Bell, 1941 † (original description)
Cosmetocrinus Kirk, 1941 † (original description)
Cryptolithoides Whittington, 1941 † (original description)
Diacanthaspis Whittington, 1941 † (original description)
Diraphora Bell, 1941 † (original description)
Doliognathus Branson & Mehl, 1941 † (original description)
Eggerina Toulmin, 1941 † (original description)
Homotreta Bell, 1941 † accepted as Prototreta Bell, 1938 † (original description)
Hylodecrinus Kirk, 1941 † (original description)
Icodonta Bell, 1941 † accepted as Micromitra Meek, 1873 † (original description)
Macrotarsus Clark, 1941 † (original description)
Metalochondina Branson & Mehl, 1941 † (original description)
Ocnerorthis Bell, 1941 † (original description)
Paratrinucleus Whittington, 1941 † (original description)
Pegmatreta Bell, 1941 † (original description)
Pelecocrinus Kirk, 1941 † (original description)
Scaliognathus Branson & Mehl, 1941 † (original description)
Staurognathus Branson & Mehl, 1941 † (original description)
Stinocrinus Kirk, 1941 † (original description)