[Phylum] Chordata Bateson, 1885 - chordates
Count: [*†*] 4c;88o;589f;14g; †7c;127o;597f;967g;1s
   Subphylum Craniata auct.
  Count: [*†*] 4c;88o;589f;14g; †7c;127o;597f;967g;1s
     Infraphylum Vertebrata Lamarck, 1801 - vertebrates
    Count: [*†*] 3c;87o;588f;14g; †7c;126o;596f;966g;1s
       Superclass †Osteostracomorphi
      Count: [†*] †2c;9o;32f;60g [28 Mar 2024]
         Class †Osteostraci Lankester, 1868
        Count: [†*] †3o;16f;34g [27 Mar 2024]
           Order †Cephalaspidiformes Halstead Tarlo, 1967
          Count: [†*] †7f;11g [27 Mar 2024]
             Suborder †Scolenaspidoidei Afanassieva, 1991
            Count: [†*] †2f;2g [27 Mar 2024]
               Family †Zenaspididae Stensiö, 1958
              Count: [†*] †1g
                 Genus †Zenaspis Lankester, 1870
                Count: -