The Anapsids first appeared in the fossil record in the late Carboniferous. They are distinguished by not having any temporal openings in the skull. The only living reptiles with anapsid skulls are the Testudines, which include the tortoises, turtles and terrapins.- Category ID : 424160
Information on this clade which includes turtles and all their extinct relatives, their fossil record, life history, ecology, systematics and morphology.