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Dec 16, 2009 · A paper just published in the latest issue of the Journal of Vertebrate Paleontology contributes further evidence that whale evolution was not set along a unilinear path. The new research ...
- Riley Black
Valley of the Whales. An Egyptian desert, once an ocean, holds the secret to one of evolution’s most remarkable transformations. This story appears in the August 2010 issue of National ...
Apr 16, 2009 · Around 34 million years ago, the first representatives of the modern groups of whales, odontocetes and mysticetes are found. It is now generally assumed that odontocetes and mysticetes (together called Neoceti) arose from a common Eocene cetacean ancestor and are thus monophyletic.
- J. G. M. Thewissen, Lisa Noelle Cooper, Lisa Noelle Cooper, John C. George, Sunil Bajpai
- 2009
Hippos likely evolved from a group of anthracotheres about 15 million years ago, the first whales evolved over 50 million years ago, and the ancestors of both these groups were terrestrial. These first whales, such as Pakicetus, were typical land animals. They had long skulls and large teeth that could be used for eating meat.
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Dec 19, 2007 · If Thewissen’s right, then a key step in the origin of whales was the transition from eating plants to eating meat. (Pakicetus and other early whales show signs of having been meat-eaters.) But ...
Jun 5, 2017 · The early evolution of whales documents a suite of evolutionary transformations to anatomical systems (and inferred life history and behavioral changes) that occurred concomitant with a major ecological transition from terrestrial ancestry to obligate aquatic life 2, 3, 4.
May 9, 2022 · First published 9 May 2022. 34. Whales are some of the most extreme mammals alive on the planet. But how they evolved from furry, four-legged critters to giants of the ocean has not been fully understood.
