Eomysticetus

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Eomysticetus
Temporal range: Chattian
Scientific classification
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Eomysticetus

Sanders and Barnes, 2002
Species

E. carolinensis Sanders and Barnes, 2002
E. whitmorei Sanders and Barnes, 2002 (type)

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Eomysticetus is an extinct genus of toothless baleen whale from the late Oligocene (Chattian) Chandler Bridge Formation of South Carolina.[1]

Physical characteristics

Eomysticetus is a member of the family Eomysticetidae, which also includes Micromysticetus, Tohoraata, Tokarahia, and Yamatocetus.[2] Like other members of the mysticete clade Chaeomysticeti, its jaws had baleen instead of teeth, meaning that it could filter plankton with its baleen plates.[3][4][5][6]

Unlike modern baleen whales, Eomysticetus had a blowhole that was positioned ahead of the eyes, and the characteristics of its vertebrae and flipper bones are akin to those of archaeocetes like Basilosaurus.[3]

Taxonomy

There are two species of Eomysticetus, E. whitmorei and E. carolinensis, both from the Chandler Bridge Formation of South Carolina.[1]

References

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  4. Y. Okazaki. 2012. A new mysticete form the upper Oligocene Ashiya Group, Kyushu, Japan and its significance to mysticete evolution. Bulletin of the Kitakyushu Museum of Natural History and Human History Series A (Natural History) 10:129-152
  5. Boessenecker, R. W., Fordyce, R. E. (2014), A new Eomysticetid (Mammalia: Cetacea) from the Late Oligocene of New Zealand and a re-evaluation of ‘Mauicetus’ waitakiensis. Papers in Palaeontology. doi: 10.1002/spp2.1005
  6. Robert W. Boessenecker and R. Ewan Fordyce (2015). "A new genus and species of eomysticetid (Cetacea: Mysticeti) and a reinterpretation of ‘Mauicetus’ lophocephalus Marples, 1956: Transitional baleen whales from the upper Oligocene of New Zealand". Zoological Journal of the Linnean Society. in press. doi:10.1111/zoj.12297.