[Phylum] Chordata Bateson, 1885 - chordates
   Subphylum Craniata auct.
     Infraphylum Vertebrata Lamarck, 1801 - vertebrates
       Superclass †Anaspidomorphi
         Class †Anaspida Traquair
           Order †Endeiolepidiformes [monotypic]
             Family †Endeiolepididae Stensiö, 1939, nom. praeval.
               1 Genus †Endeiolepis Stensiö, 1939