Papers from a conference held at the Laboratory of Brain Evolution and behavior and at the National Museum of American History, Smithsonian Institution, 1981. Neurobehavioral significance of the ...
The sprawling-upright transition across mammal evolution, showing changes in posture and limb bone shape. The transition from sprawling (reptile-like) to more upright (parasagittal) posture and ...
More than 220 million years ago, as early dinosaurs were just getting their legs under them, the first mammals evolved from a group of tiny, weasel-like reptiles called cynodonts. New research hints ...
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