View example sentences, synonyms and word forms for Archosaur.
Archosaur meaning
A reptile of the taxon Archosauria, which includes modern crocodilians and birds, as well as the extinct pterosaurs, non-avian dinosaurs and other taxa.
Synonyms of Archosaur
Example sentences (4)
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.
However, both phytosaurs and aetosaurs were among the groups of archosaur reptiles completely wiped out by the end-Triassic extinction event.
Like this archosaur, basal pterosaur lineages have plantigrade hindlimbs that show adaptations for saltitation.
Within the archosaur group, dinosaurs are differentiated most noticeably by their gait.