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Eomysticetus
''Eomysticetus'' is an extinct genus of toothless baleen whale from the late Oligocene (Chattian) Chandler Bridge Formation of South Carolina.〔 (148Mb)〕
==Physical characteristics==
''Eomysticetus'' is a member of the family Eomysticetidae, which also includes ''Micromysticetus'', ''Tohoraata'', ''Tokarahia'', and ''Yamatocetus''. 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.〔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〕〔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〕〔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.〕
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''.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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