* Astronomy

Pristine Fossil Reveals Unlikely Pair

The small but sharp-toothed Thrinaxodon probably spent much of its time dining on its Triassic cohabitants, but a study published today reports a pristine fossil of the meat-eater apparently peacefully sharing its burrow with a small amphibian - until they were both buried in a flood.
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3D Reconstruction of Amphibian and Therapisid Skeletons in a Burrow