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This Extinct Dolphin Had Tusks That Fish Were Wise to Avoid

Por: The New York Times Science June 14, 2023

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The waters off New Zealand 25 million years ago were home to early baleen whales, megatooth sharks and . Now researchers are adding a bizarre dolphin to the mix that may have used tusklike teeth to thrash prey into submission.The dolphin’s nearly complete skull was collected in 1998, from a cliff side in the Otago region of New Zealand’s South Island. The specimen ended up in the University of Otago Geology Museum’s collection. Two decades... + full article



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