Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Arthropoda Siebold, 1848 - arthropods
     Superclass Crustacea Pennant, 1777 - crustaceans see [unranked] Crustaceomorpha Chernyshev, 1960
       Genus Anaspides Thomson, 1894
       Genus †Eopterum
       ?Genus †Parvancorina Glaessner, 1958
       1 Class Branchiopoda Latreille, 1817 - branchiopods
       2 Class Malacostraca Latreille, 1802
       3 Class Ostracoda Latreille, 1802 - ostracods
       4 Class Cirripedia (Rafinesque, 1816) see Infraclass Cirripedia Burmeister, 1834
       5 Class †Euthycarcinoidea Gall & Grauvogel, 1964
       6 Class Copepoda H. Milne-Edwards, 1840 see Subclass Copepoda H. Milne-Edwards, 1840
       7 Class Cephalocarida H.L. Sanders, 1955 - cephalocarids
       8 Class Mystacocarida Pennak & Zinn, 1943 see Subclass Mystacocarida Pennak & Zinn, 1943
       9 Class Branchiura Beddard, 1892 see Subclass Branchiura Thorell, 1864