New late Eocene and Oligocene remains of the flightless, penguin-like plotopterids (Aves, Plotopteridae) from western Washington State, U.S.A
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| Description | article by Gerald Mayr & James L. Goedert published 21 April 2016 in Journal of Vertebrate Paleontology |
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author: Gerald Mayr |
| Publication date | April 21, 2016 |
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