…two modern suborders of whales were derived from the Odontoceti. In the toothed whales (Odontoceti), the jawbone extends backwards and covers the back of the skull, and the nostrils are set back to the eye position. The left and right nasal passages are united under the skin, forming a single opening. … *Some of the terminology explanations that mention "Odontoceti" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ムカシクジラ類から現生の2亜目が派生した。 ハクジラ(歯鯨)類Odontocetiでは,顎骨が後方にのび頭骨背面を覆い鼻孔は目の位置まで後退している。左右の鼻道は皮下で合一し,1孔が開口する。… ※「Odontoceti」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
>>: Odontoglossum grande (English spelling)
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