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Odontoceti |
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Odontoceti [ō‚dänt·ə′sē‚tī] (vertebrate zoology) The toothed whales, a suborder of cetacean mammals distinguished by a single blowhole. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Among marine mammals, odontocetes (toothed whales), including beluga, may be at the greatest risk of contaminant effects because these animals are top predators that accumulate contaminants to a higher degree than do mysticetes (baleen whales) (O'Shea and Brownell 1994). Paleontologists have long thought that Mysticetes and Odontocetes represent separate evolutionary lines that split from a group of ancestral toothed whales some 40 million years ago. Neoplasia was not observed in 86 small odontocetes stranded on the Oregon and California shoreline (20,21). |
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