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Reptile having a pair of openings in the skull behind each eye
Answer for the clue "Reptile having a pair of openings in the skull behind each eye ", 7 letters:
diapsid
Word definitions for diapsid in dictionaries
Wikipedia
Word definitions in Wikipedia
Diapsids ("two arches") are a group of amniote tetrapods that developed two holes ( temporal fenestra ) in each side of their skulls about 300 million years ago during the late Carboniferous period. The diapsids are extremely diverse, and include all crocodiles ...
Wiktionary
Word definitions in Wiktionary
n. (context zoology English) Any of very many reptiles, of the subclass ''Diapsida'', that have a pair of openings in the skull behind each eye
WordNet
Word definitions in WordNet
n. reptile having a pair of openings in the skull behind each eye [syn: diapsid reptile ] [ant: anapsid ]
Usage examples of diapsid.
Now, birds evolved from dinosaurs which evolved from thecodonts which evolved from primitive diapsids which evolved from captorhinomorphs, the first true reptiles.