Superclass Reptilia Linnaeus, 1758 Class Eusauropsida 1 †sauropsid cotylosaurs Cope, 1880 2 Chelonia Brongniart, 1800 see Class Chelonia Brongniart, 1800 3 Lepidosauria Duméril & Bibron, 1839 4 Archosauria Cope, 1869 see Division Archosauria Cope, 1869