anapsid

Noun
  1. Primitive reptile having no opening in the temporal region of the skull;
    All extinct except turtles (synset 101664233)
    is a type of: reptile, reptilian - any cold-blooded vertebrate of the class Reptilia including tortoises, turtles, snakes, lizards, alligators, crocodiles, and extinct forms
    subtypes: chelonian, chelonian reptile - a reptile of the order Chelonia
    belongs to: anapsida, subclass anapsida - oldest known reptiles; turtles and extinct Permian forms
    same as: anapsid reptile

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