Actinotrigonia Cox, 1964 † (original description)
Anomalopleuroidea Cox, 1964 † (original description)
Arcavicula Cox, 1964 † (original description)
Callitrigonia Cox, 1964 † (original description)
Cardiniomorpha Cox, 1964 † (original description)
Climacotrigonia Cox, 1964 † (original description)
Coleoconcha Barnard, 1964 (original description)
Conchentopyx Barnard, 1964 (original description)
Malagasitrigonia Cox, 1964 † (original description)
Megalomoidea Cox, 1964 † (original description)
Mysidiella Cox, 1964 † (original description)
Pachyrismella Cox, 1964 † (original description)
Platymyoidea Cox, 1964 † (original description)
Rostroperna Cox, 1964 † (original description)
Septihoernesia Cox, 1964 † (original description)
Skaptotion Curry, 1965 † (original description)
Tellurimya Cox, 1964 † (original description)
Tommasina Cox, 1964 † (original description)