Class [Reptilia] Linnaeus, 1758 - reptiles Subclass Lepidosauria Duméril & Bibron, 1839 Order Rhynchocephalia Günther, 1867 - tuataras Suborder †Eosuchoidea Broom, 1914 1 Family †Younginidae Broom, 1914 2 Family †Paliguanidae Broom, 1926 3 Family †Tangasauridae Haughton, 1924