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 AnapsidAnapsid
 Information from Wikipedia on this class of reptiles which includes the tortoises, turtles and terrapins.
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Fossil Groups: AnapsidaFossil Groups: Anapsida
 Provides information on this group of amniotes, their characters and anatomy, major subgroups, fossil record, modern forms, literature and weblinks.
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Introduction to AnapsidaIntroduction to Anapsida
 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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Palaeos Vertebrates: AnapsidaPalaeos Vertebrates: Anapsida
 Provides an abbreviated cladogram, information on the appearance of the anapsids in the Permian and their subsequent history, with descriptions and information on a number of groups.
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PareiasaurPareiasaur
 Provides an illustration and information on these extinct reptiles which are thought to be ancestors of, or close relatives to, the turtles.
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Provelosaurus brasiliensesProvelosaurus brasilienses
 Photograph of the fossil skull of this pareiasaur from the late Permian.
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Subclass AnapsidaSubclass Anapsida
 Provides information on the two main groups of anapsids, the extinct Captorhinida and the extant Chelonia.
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