Acruliammina Loeblich & Tappan, 1946 † (original description)
Afghanella Thompson, 1946 † (original description)
Amquia Rasetti, 1946 † (original description)
Bancroftina Sinclair, 1946 † (original description)
Chimaerotheca Brown, 1946 † (original description)
Corythocrinus Kirk, 1946 † (original description)
Cryptoderaspis Rasetti, 1946 † (original description)
Fulpia Stephenson, 1946 † (original description)
Glyptobairdia Stephenson, 1946 (original description)
Graptophysa Yen & Reeside, 1946 † (original description)
Hutsonia Swain, 1946 † (original description)
Matania Rasetti, 1946 † (original description)
Meandrospira Loeblich & Tappan, 1946 (original description)
Mesocochliopa Reeside, 1946 † (original description)
Mesopyrgium Reeside, 1946 † (original description)
Metisaspis Rasetti, 1946 † (original description)
Onchonotopsis Rasetti, 1946 † (original description)
Pavonaraea Umbgrove, 1946 † (original description)
Planomalina Loeblich & Tappan, 1946 † (original description)
Plemnocrinus Kirk, 1946 † (original description)
Plexituba Stainbrook, 1946 † (original description)
Polychasmina Loeblich & Tappan, 1946 † (original description)
Procaimanoidea Gilmore, 1946 † (original description)
Saltermya Palmer, 1946 † accepted as Anthraconaia Trueman & Weir, 1946 † (original description)
Stichocassidulina Stone, 1946 (original description)