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''Chonecetus'' is an extinct genus of primitive baleen whale of the family Aetiocetidae〔(【引用サイトリンク】title=Cetacea, Indeterminate. Distribution of Animal Family Through Time )〕 that lived in the Oligocene period.〔''Whales, Whaling, and Ocean Ecosystems''; page 70. By James A. Estes, published 2007; University of California Press. ISBN 0-520-24884-8 Retrieved on July 1, 2008〕 Its fossils have been found in Canada, in the northeast Pacific. It was first named by L.S. Russell in 1968, and contains two species, ''C. sookensis'' and ''C. goedertorum'' (Barnes et al. 1995). Like ''Aetiocetus'', ''Chonecetus'' possessed both multicusped teeth and the nutrient foramina required for baleen.〔''Marine Mammals: Evolutionary Biology''; page 62. By Annalisa Berta, James L. Sumich, and Kit M. Kovacs, published 2005; Academic Press. ISBN 0-12-088552-2 Retrieved on July 1, 2008.〕 ''Chonecetus'' closely resembled a modern Mysticeti, with an elongate, streamlined body supporting a pair of paddle-shaped forelimbs, and a horizontal tail fluke strengthened by fibrous cartilage.〔 ==Sister Taxa== *''Aetiocetus'' *''Ashorocetus'' *''Morawanocetus'' *''Willungacetus'' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Chonecetus」の詳細全文を読む スポンサード リンク
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