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Dasyomyliobatis thomyorkei is intermediate between the ‘rajobenthic’ and more derived ‘aquilopelagic’ stingrays, supporting the hypothesis that the aquilopelagic body plan arose in association with the evolution of durophagy and pelagic lifestyle from a benthic, soft-prey feeder ancestor.

The post 50-Million-Year-Old Fossil Helps Clarify Origin of Pelagic Lifestyle and Durophagy in Stingrays appeared first on Sci.News: Breaking Science News.