Class Cephalopoda Cuvier, 1795 - cephalopods
   Subclass Coleoidea Bather, 1888
     Superorder Decembrachiata Winckworth, 1932 see Superorder Decapodiformes Young, Vecchione & Donovan, 1998
       Order Sepiida Gray, 1849
         Suborder †Vasseuriina Engeser, 1998
           1 Family †Vasseuriidae Naef, 1921
           2 Family †Belosepiellidae Naef, 1921