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Predators caught in the act—252 million years ago.
New #GSABulletin research documents limulid (horseshoe crab) trackways interacting with polychaete burrows in the Lower Triassic Daye Fm. (South China), revealing active predation soon after the Permian–Triassic mass extinction.
doi.org/10.1130/B38121…
#Paleontology #MassExtinction #TraceFossils #EarlyTriassic #EarthScience
Image: Figure 8 from the paper

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