Recent findings in Mallorca suggest the discovery of the oldest gorgonopsian, featuring unique limb anatomy indicative of efficient locomotion. Gorgonopsians were an extinct group of synapsids that ...

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The Triassic is a tale of two histories. One is its natural history, begun after the Great Permian Dying, 252m years ago, when, as happens from time to time, plate tectonics brought Earth’s continents ...

While gorgonopsians lacked external ears, they had a precursor feature in their jawbone that later developed into our characteristic mammalian ear bones. Their legs are also positioned more under ...

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Mammals (known scientifically as Mammalia) are the only living synapsids, having first evolved around 200 million years ago. But there are many extinct groups of so-called non-mammalian synapsids.

It looked sort of like a 3-foot-long dog — but without ears or fur. Discover the Gorgonopsian Gorgonopsians lived between 270 million years and 250 million years ago and are classified as synapsids, ...

“It is pretty certain that the new finding is the oldest known gorgonopsian, and likely the oldest known member of a subgroup of synapsids called Therapsida (therapsids include mammals and a subset of ...