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: -