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