Class Reptilia Linnaeus, 1758 - reptiles Subclass Archosauria Cope, 1869 see Division Archosauria Cope, 1869 Order Crocodylia Wagler, 1830 - crocodiles Suborder †Protosuchia Mook, 1934 see Order Protosuchia Brown, 1934 Family †Protosuchidae Brown, 1934