Scientists in China have discovered fossils of a new mammal-like reptile species in Gansu province – the first of its genus to be found in both South Africa and China. The finding suggests that Late Permian (299 to 252 million years ago) tetrapods crossed the equator of the supercontinent Pangaea more often than expected, revealing an ecological corridor capable of supporting large animal migration. The new species of dicynodont, an extinct clade of non-mammalian therapsids – a group that…


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