Anapsid

ahd-5
  • noun. Any of a group of chiefly extinct reptiles that first emerged in the early Permian Period and are characterized by a skull with no openings in the temporal region. Modern turtles and tortoises may be surviving members of this group, or they may be descendants of diapsids that lost their skull openings.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. Any amniote whose skull does not have openings near the temples.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. primitive reptile having no opening in the temporal region of the skull; all extinct except turtles
    • Word Usage
    "Mesasaurs were small crocodilian-like anapsid reptiles of about 300 million years ago."
    Hypernym
    Words that are more generic or abstract
    reptile  reptilian  
    Hyponym
    Words that are more specific
    chelonian  chelonian reptile  
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