Class Cephalopoda Cuvier, 1795 - cephalopods
   Subclass Coleoidea Bather, 1888
     Superorder †Belemnoidea Gray, 1849
       Order †Belemnitida Gray, 1849
         Suborder †Belemnitina Gray, 1849
           1 Family †Passaloteuthididae Naef, 1922
           2 Family †Salpingoteuthididae Doyle, 1992
           3 Family †Hastitidae Stolley, 1919
           4 Family †Cylindroteuthididae Stolley, 1919
           5 Family †Oxyteuthididae Stolley, 1919