Home > Science > Earth Sciences > Paleontology > Vertebrates > Anapsids
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.
http://en.wikipedia.org/wiki/Anapsida
Information from Wikipedia on this class of reptiles which includes the tortoises, turtles and terrapins.
http://palaeo.gly.bris.ac.uk/Palaeofiles/Fossilgroups/anapsida/
Provides information on this group of amniotes, their characters and anatomy, major subgroups, fossil record, modern forms, literature and weblinks.
http://www.ucmp.berkeley.edu/anapsids/anapsida.html
Information on this clade which includes turtles and all their extinct relatives, their fossil record, life history, ecology, systematics and morphology.
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