Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
Count: [f†f] 7c;100o;734f; ‡2o;8f; †2c;109o;819f;10g [22 Aug 2017]
   Gnathostomata
  Count: [f†f] 6c;98o;732f; ‡2o;8f; †2c;104o;782f;9g [22 Aug 2017]
     Class †Placodermi McCoy, 1848
    Count: [†f] †9o;37f;2g [12 May 2017]
       Order †Petalichthyida Jaekel, 1911 [monotypic] see Order Petalichthyiformes
      Count: [†f] †1f [2 May 2017]
         1 Family †Macropetalichthyidae Eastman, 1898
        Count: -