English > diapsid: 1 sense > noun 1, animal| Meaning | reptile having a pair of openings in the skull behind each eye. |
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| Synonym | diapsid reptile |
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| Narrower | archosaur, archosaurian, archosaurian reptile | Extinct reptiles including |
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| crocodilian reptile, crocodilian | extant archosaurian reptile |
| saurian | Any of various reptiles of the suborder Sauria which includes lizards |
| snake, serpent, ophidian | limbless scaly elongate reptile |
| tuatara, Sphenodon punctatum | Only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand |
| Broader | reptile, reptilian | Any cold-blooded vertebrate of the class Reptilia including tortoises, turtles, snakes, lizards, alligators, crocodiles, and extinct forms |
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| Opposite | anapsid, anapsid reptile | Primitive reptile having no opening in the temporal region of the skull |
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| Spanish | diapsid, diápsido |
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| Catalan | diàpsid |
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