bn:00026882n
Noun Concept
Categories: Reptiles of the United States, Diapsids, Taxa named by Henry Fairfield Osborn, Reptile taxonomy, Extant Pennsylvanian first appearances
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diapsid  diapsid reptile  Diapsida  diapsids
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Reptile having a pair of openings in the skull behind each eye WordNet 3.0
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Reptile having a pair of openings in the skull behind each eye WordNet 3.0 & Open English WordNet
Diapsids are a clade of sauropsids, distinguished from more primitive eureptiles by the presence of two holes, known as temporal fenestrae, in each side of their skulls. Wikipedia
Clade of tetrapods that developed two holes in each side of their skulls, about 300 million years ago Wikidata
Any of very many reptiles, of the subclass Diapsida, that have a pair of openings in the skull behind each eye. Wiktionary
WordNet 3.0 & Open English WordNet
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