diapsid reptile


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ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.diapsid reptile - reptile having a pair of openings in the skull behind each eye
reptile, reptilian - any cold-blooded vertebrate of the class Reptilia including tortoises, turtles, snakes, lizards, alligators, crocodiles, and extinct forms
Sphenodon punctatum, tuatara - only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand
saurian - any of various reptiles of the suborder Sauria which includes lizards; in former classifications included also the crocodiles and dinosaurs
archosaur, archosaurian, archosaurian reptile - extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts
crocodilian, crocodilian reptile - extant archosaurian reptile
ophidian, serpent, snake - limbless scaly elongate reptile; some are venomous
References in periodicals archive ?
(1987): Simoedosaurus dakotensis, new species, a diapsid reptile (Archosauromorpha: Choristodera) from the Paleocene of North America.
"With Eorhynchochelys's diapsid skull, we know that turtles are not related to the early anapsid reptiles (those without openings), but are instead related to evolutionarily more advanced diapsid reptiles," Rieppel concluded. Modern-day snakes and lizards also evolved from the diapsid population.
One major difference between anapsid and diapsid reptiles is in the cheek or temporal area of the skull.