• DOI:10.1007/s12052-009-0135-2
Corpus ID: 11583496

From Land to Water: the Origin of Whales, Dolphins, and Porpoises

@article{Thewissen2009FromLT,
  title={From Land to Water: the Origin of Whales, Dolphins, and Porpoises},
  author={J. G. Thewissen and L. N. Cooper and J. George and S. Bajpai},
  journal={Evolution: Education and Outreach},
  year={2009},
  volume={2},
  pages={272-288}
}

J. G. Thewissen, L. N. Cooper, +1 author S. Bajpai

Published 2009

Biology

Evolution: Education and Outreach

Cetaceans (whales, dolphins, and porpoises) are an order of mammals that originated about 50 million years ago in the Eocene epoch. Even though all modern cetaceans are obligate aquatic mammals, early cetaceans were amphibious, and their ancestors were terrestrial artiodactyls, similar to small deer. The transition from land to water is documented by a series of intermediate fossils, many of which are known from India and Pakistan. We review raoellid artiodactyls, as well as the earliest… CONTINUE READING

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