Appalachignathus Bergström, Carnes, Ethington, Votaw & Wigley, 1974 † (original description)
Celsifornix Carter, 1974 † (original description)
Disconia Westphal, 1974 † (original description)
Esconichthys Bardack, 1974 † (original description)
Helicotaphrichnus Kern, Grimmer & Lister, 1974 † (original description)
Indocoelacanthus Jain, 1974 † (original description)
Mahoningoceras Murphy, 1974 † (original description)
Mennericyathus Debrenne & Rozanov, 1974 † (original description)
Meristorygma Carter, 1974 † (original description)
Nondia Boucot & Chiang, 1974 † (original description)
Parallelora Carter, 1974 † (original description)
Skelidorygma Carter, 1974 † (original description)
Stokesosaurus Madsen, 1974 † (original description)
Thlipsorothella Lundin & Petersen, 1974 † (original description)
Warsawia Carter, 1974 † (original description)