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Cetacea
 Image from Arik |
 Image from Darren Ryding |
The cetacea are a clade of highly intelligent marine terragen mammals that include three suborders, including the Odontoceti (toothed whales, dolphins, and porpoises), Mysticeti (baleen whales), and Archaeoceti (extinct whales). There were originally about 75 species of whales, dolphins, and porpoises during the Holocene, though this decreased with the extinction of a number of whale species during the Information Age.
 Image from Steve Bowers |
 Image from Juan Ochoa |
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Development Notes
Text by M. Alan Kazlev
Initially published on 24 September 2001.
Initially published on 24 September 2001.
