(See A. T. Boersma and N. D. Pyenson, "Arktocara yakataga, a new fossil odontocete (Mammalia, Cetacea) from the Oligocene of Alaska and the antiquity of Platanistoidea,"PeerJ, 2016.)
Image of the Day: Ancient River Dolphins
This linocut print by researcher-artist Alexandra Boersma depicts an extinct river dolphin species she and her colleagues describe today in PeerJ.
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