Reptile & Amphibian Taxonomy Linnean Taxonomy Kingdom ● – Phylum Class ● – Order Family ● Genus ● Species ● Extended Taxonomy Class ● – Subclass Order ● – Suborder Infraorder ● Superfamily ● Family ● Genus ● Species ● Geologic History Breakup began around 500 million years ago ● Geologic History Breakup began around 200 million years ago ● Habitat Convergent Evolution Herps Class Reptilia Subclass Anapsida ● – Order Testudines (Turtles) Subclass Lepidosauria ● – Order Rhynchocephalia – Order Squamata ("Scaled Reptiles") Subclass Archosauria ● – Order Crocodylia (Crocodiles and Alligators) Class Reptilia