anapsid(redirected from Anapsida)
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anapsida member of the Anapsida, a group of reptiles in which the skull lacks a temporal FOSSA. The Anapsida include Seymouria, tortoises and turtles.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005