living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Arthropoda Siebold, 1848 - arthropods
           Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777
             Subclass Mystacocarida Pennak & Zinn, 1943 - mystacocarids
               Genus Derocheilocaris Pennak & Zinn, 1943
                 1 Derocheilocaris ingens Hessler, 1969
                 2 Derocheilocaris galvarini Dahl, 1952
                 3 Derocheilocaris remanei Delamare-Deboutteville & Chappuis, 1951