Ardrossacyathus Bedford, 1937 † (original description)
Cadniacyathus Bedford, 1937 † (original description)
Copleicyathus Bedford, 1937 † (original description)
Exocyathus Bedford, 1937 (original description)
Flindersicyathus Bedford, 1937 † (original description)
Metaldetimorpha Bedford, 1937 (original description)
Polycoscinus Bedford, 1937 † (original description)
Spirillicyathus Bedford, 1937 (original description)
Zonacyathus Bedford, 1937 † (original description)