bn:00027226n
Noun Concept
Categories: Fossil taxa described in 1842, Articles containing traditional Chinese-language text, Extant Late Triassic first appearances, Articles with short description, Taxa named by Richard Owen
EN
dinosaur  The death of the dinosaurs  Death of the dinosaurs  Dinasaur  Dinasour
Definitions
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Sources
EN
Dinosaurs are a diverse group of reptiles of the clade Dinosauria. Wikipedia
Clade of reptiles including now-extinct non-avian dinosaurs and modern birds Wikidata
A vertebrate animal that dominated terrestrial ecosystems for over 160 million years, first appearing approximately 230 million years ago. OmegaWiki
In scientific usage, any of the animals belonging to the clade Dinosauria, especially those that existed during the Triassic, Jurassic and Cretaceous periods and are now extinct. Wiktionary