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Ambulocetus (Latin ambulare "to walk" + cetus "whale") is a genus of early amphibious cetacean [a] from the Kuldana Formation in Pakistan, roughly 48 or 47 million years ago during the Early Eocene . It contains one species , Ambulocetus natans (Latin natans "swimming"), known solely from a near-complete skeleton.
Ambulocetidae is a family of early cetaceans from Pakistan.The genus Ambulocetus, after which the family is named, is by far the most complete and well-known ambulocetid genus due to the excavation of an 80% complete specimen of Ambulocetus natans. [2]
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Johannes Gerardus Marie (Hans) Thewissen is a Dutch-American paleontologist known for his significant contributions to the field of whale evolution.Thewissen's fieldwork has led to the discovery of key fossils that have shed light on the transition of whales from land to water, including the discovery of Ambulocetus, Pakicetus, Indohyus, and Kutchicetus.
Ambulocetus probably swam with its hind feet like a modern otter, and was incapable of supporting its own weight on land. It probably was an ambush hunter like modern crocodiles. It probably was an ambush hunter like modern crocodiles.
Ambulocetus natans, which lived about 49 million years ago, was discovered in Pakistan in 1994. It was probably amphibious, and looked like a crocodile . [ 24 ] In the Eocene, ambulocetids inhabited the bays and estuaries of the Tethys Ocean in northern Pakistan. [ 25 ]
However, Hans Thewissen, discoverer of Ambulocetus, has questioned these conclusions, suggesting that the smaller skeleton could be a partially digested meal. Even if the small skeleton is a fetus, Thewissen writes that it may not have been preserved in its normal in-vivo position. [ 4 ]
The result was: scheduled for Wikipedia:Today's featured article/July 3, 2021 by Jimfbleak - talk to me? 12:55, 11 June 2021 (UTC) Reconstructed skeleton Ambulocetus natans is a species of early amphibious archaeocete cetacean from the Early Eocene Kuldana Formation in Pakistan, 48 or 47 million years ago.