anapsid

/AH0 N AE1 P S IH0 D/
noun
  1. 1

    A member of this group of reptiles, including the turtles, tortoises and terrapins.

adjective
  1. 1

    Pertaining to the group of reptiles whose skulls do not have openings near the temples, originally considered as a specific subclass

Source: https://en.wiktionary.org/wiki/anapsid