Class [Reptilia] Linnaeus, 1758 - reptiles 1 Subclass †Proganosauromorpha Kuhn, 1968 [monotypic] 2 Subclass †Bolosauromorpha Kuhn, 1968 [monotypic] 3 Subclass †Placodontomorpha Kuhn, 1968 4 Subclass †Araeoscelomorpha Kuhn, 1968 5 Subclass Lepidosauria Duméril & Bibron, 1839