Antarctica served as climatic refuge in Earth’s greatest extinction event

Antarctica served as climatic refuge in Earth’s greatest extinction event: “The largest known mass extinction in Earth’s history, about 252 million years ago at the end of the Permian Period, may have been caused by global warming. A new fossil species suggests that some land animals may have survived the end-Permian extinction by living in cooler climates in Antarctica. Jörg Fröbisch and Kenneth D. Angielczyk of The Field Museum together with Christian A. Sidor from the University of Washington have identified a distant relative of mammals, Kombuisia antarctica, that apparently survived the mass extinction by living in Antarctica.”

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