Ontocetus posti is a second species of the extinct walrus genus Ontocetus, established in 2024 by Boisville and colleagues. It was named after a reassessment of a pair of mandibles from the United Kingdom and a mandible from Belgium that had earlier been assigned to Ontocetus emmonsi. The Paleobiology Database records it from England and from Antwerp in Belgium and dates the records to the Tortonian stage of the late Miocene. Ontocetus walruses lived in the coastal waters of the southern North Sea and the southeastern United States, and the genus spans about 13 million years of Neogene and Pleistocene time according to the article that describes it.
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Source Ontocetus (Wikipedia)
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Source Ontocetus (Wikipedia)TaxonomyQuote, Taxonomy
a pair of mandibles from the UK and a mandible from Belgium
Sources
1. Ontocetus (Wikipedia)
Lead
Ontocetus is an extinct genus of walrus, an aquatic carnivoran of the family Odobenidae
Taxonomy
a pair of mandibles from the UK and a mandible from Belgium
Lead, system
an aquatic carnivoran of the family Odobenidae, endemic to coastal regions of the southern North Sea
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