Definitions of anapsid
  1. noun
    primitive reptile having no opening in the temporal region of the skull; all extinct except turtles
    synonyms: anapsid reptile
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    diapsid, diapsid reptile
    reptile having a pair of openings in the skull behind each eye
    chelonian, chelonian reptile
    a reptile of the order Chelonia
    any of various aquatic and land reptiles having a bony shell and flipper-like limbs for swimming
    type of:
    reptile, reptilian
    any cold-blooded vertebrate of the class Reptilia including tortoises, turtles, snakes, lizards, alligators, crocodiles, and extinct forms
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