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Taxon: Order Rhynchocephalia Günther, 1867 (reptile)
Classification by:

Phylum Chordata Bateson, 1885 - chordates
Count: -
   Subphylum Vertebrata Cuvier, 1812 - vertebrates
  Count: -
     Class Reptilia Linnaeus, 1758 - reptiles
    Count: [*] 4o42f; †13o38f
       Subclass Lepidosauria Duméril & Bibron, 1839
      Count: [*] 2o31f; †1o26f
         Order Rhynchocephalia Günther, 1867 - tuataras
        Count: [*] 1f; †4f
           Family †Claraziidae Peyer, 1936
          Count: -
           Family †Pleurosauridae Lydekker, 1888
          Count: -
           Family †Rhynchosauridae Huxley, 1867
          Count: -
           Family †Sapheosauridae Baur, 1895 see Family Sphenodontidae Cope, 1871
          Count: -
           Family Sphenodontidae Cope, 1871 - tuataras
          Count: -

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Last updated: 1 Feb 2024