reptiles Linnaeus 1758 [Laurin & Reisz 2020] see Class Reptilia Linnaeus, 1758 Lepidosauro. Benton 1983 [Benton 1985] see Subclass Lepidosauromorpha Benton, 1983 Genus †Planocephalosaurus Fraser, 1982 †Planocephalosaurus robinsonae Fraser, 1982