Acanthoceramoporella Utgaard, 1968 † (original description)
Archaeodoryderma Reid, 1968 † (original description)
Caenanoplia Carter, 1968 † (original description)
Ceraunosaurus Thurmond, 1968 † (original description)
Crassaluna Utgaard, 1968 † (original description)
Hawkinsaspis Rasetti, 1968 † (original description)
Kuvelousia Waterhouse, 1968 † (original description)
Lenticidaris Kier, 1968 † (original description)
Magnumbonella Carter, 1968 † (original description)
Paleosquilla Schram, 1968 † (original description)
Remanellina Tappan & Loeblich, 1968 † (original description)
Tytthocorys Tappan & Loeblich, 1968 † (original description)
Yvonniellina Tappan & Loeblich, 1968 † (original description)