During the Triassic period (252-201 million years ago) mammal-like reptiles called therapsids co-existed with ancestors to dinosaurs, crocodiles, mammals, pterosaurs, turtles, frogs, and lizards. One group of therapsids are the …read more Source:: Science
Tag: mammal-like reptiles
Diaphragm much older than expected
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Caseids are “mammal-like” reptiles that lived about 300-250 million years ago. They had a barrel-shaped trunk, but scientists have struggled to realize how did these reptiles breathed. New calculations have …read more Source:: Science