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Temporal range: Chattian
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Infraorder: Cetacea
Family: Eomysticetidae
Genus: Eomysticetus
Sanders and Barnes, 2002

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

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

Physical characteristics[edit]

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]


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


  1. ^ a b Sanders, A. E.; Barnes, L. G. (2002). "Paleontology of the Late Oligocene Ashley and Chandler Bridge Formations of South Carolina, 3: Eomysticetidae, a new family of primitive mysticetes (Mammalia: Cetacea)". In Emry, R. J. Cenozoic Mammals of Land and Sea: Tributes to the Career of Clayton E. Ray. Smithsonian Contributions to Paleobiology. 93. pp. 313–356. Retrieved October 2014.  Check date values in: |access-date= (help) (148Mb)
  2. ^ Boessenecker, Robert W. "Dissertation research on archaic fossil baleen whales (Eomysticetidae) from the Oligocene of New Zealand". Retrieved October 2014.  Check date values in: |access-date= (help)
  3. ^ a b "Eomysticetus whitmorei". NYIT College of Osteopathic Medicine. Retrieved October 2014.  Check date values in: |access-date= (help)
  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.