Class Reptilia Linnaeus, 1758 - reptiles Subclass Archosauria Cope, 1869 see Division Archosauria Cope, 1869 Order Crocodylia Wagler, 1830 - crocodiles Suborder †Thalattosuchia Fraas, 1901 [monotypic] see Order Thalattosuchia Fraas, 1901 Family †Metriorhynchidae Fitzinger, 1843