Arjamannia Peel, 1975 † (original description)
Bradycneme Harrison & Walker, 1975 † (original description)
Carinophylloceras Klinger, Wiedmann & Kennedy, 1975 † (original description)
Costacopluma Collins & Morris, 1975 † (original description)
Glaessnerella Wright & Collins, 1975 † (original description)
Gnathichnus Bromley, 1975 † (original description)
Heptasteornis Harrison & Walker, 1975 † (original description)
Mesochelys Evans & Kemp, 1975 † (original description)
Propomatoceros Ware, 1975 † (original description)
Radnoria Owens & Thomas, 1975 † (original description)
Septatopora Engel, 1975 † (original description)
Sueroceras Riccardi & Sabattini, 1975 † (original description)
Tanchintongia Runnegar & Gobbett, 1975 † (original description)