diapsid

1. Reptile having a pair of openings in the skull behind each eye (synset 101664459)
   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:

   • 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
   same as: diapsid reptile

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