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Wednesday, 26 July 2023

New archosaur species shows that precursor of dinosaurs and pterosaurs was armored

Researchers have described a new species of armored reptile that lived near the time of the first appearance of dinosaurs. With bony plates on its backbone, this archosaur fossil reveals that armor was a boomerang trait in the story of dinosaur and pterosaur evolution: the group's ancestors were armored, but this characteristic was lost and then independently re-evolved multiple times later among specialized dinosaurs like ankylosaurs, stegosaurs, and others.

from All Top News -- ScienceDaily https://ift.tt/o5OX0KQ

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