Antonyms of noun anapsid

1 sense of anapsid

Sense 1
anapsid, anapsid reptile -- (primitive reptile having no opening in the temporal region of the skull; all extinct except turtles)
       Antonym of diapsid (Sense 1)
      => diapsid, diapsid reptile -- (reptile having a pair of openings in the skull behind each eye)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun anapsid

1 sense of anapsid

Sense 1
anapsid, anapsid reptile -- (primitive reptile having no opening in the temporal region of the skull; all extinct except turtles)
       => reptile, reptilian -- (any cold-blooded vertebrate of the class Reptilia including tortoises, turtles, snakes, lizards, alligators, crocodiles, and extinct forms)