Kingdom [Animalia] Linnaeus, 1758 - animals
Count: 2p;9c;33o; †49o;1g
   Phylum Chordata Bateson, 1885 - chordates
  Count: 7c;33o; †49o;1g
     Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
    Count: 7c;33o; †49o;1g
       Class Agnatha Cope, 1889
      Count: [o†o] 2o; †4o;1g [27 Apr 2017]
         "Ostracoderms"
        Count: [†o] †4o;1g [27 Apr 2017]
           1 Order †Osteostraci Lankester, 1868 - osteostracans see Order Cephalaspidiformes Halstead Tarlo, 1967
          Count: -
           2 Order †Anaspida Traquair - anaspids see Class Anaspida Traquair
          Count: -
           3 Order †Heterostraci Lankester, 1868 - heterostracans see Subclass Heterostraci Lankester, 1868
          Count: -
           4 Order †Coelolepida Nielsen & Kristensen, 1996
          Count: [†*] †1g