archosaur

Noun

Meaning

extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts

Source: WordNet

Synonyms

archosaurian archosaurian reptile iguanodon pterosaur ichthyosaur plesiosaur diplodocus dinosaurian alligators

Hypernyms

diapsid diapsid reptile

Hyponyms

dinosaur pterosaur ichthyosaur plesiosaur plesiosaurus thecodont

Examples

Dinosaurs diverged from their archosaur ancestors approximately 230 million years ago during the Middle to Late Triassic period, roughly 20 million years after the Permian-Triassic extinction event wiped out an estimated 95% of all life on Earth. Source: Internet

However, both phytosaurs and aetosaurs were among the groups of archosaur reptiles completely wiped out by the end-Triassic extinction event. Source: Internet

Like this archosaur, basal pterosaur lineages have plantigrade hindlimbs that show adaptations for saltitation. Source: Internet

Within the archosaur group, dinosaurs are differentiated most noticeably by their gait. Source: Internet

Close letter words and terms

Archosargus Archosargus probatocephalus Archosargus rhomboidalis Archosauria archosaurian archosaurian reptile