Archaeology

Japanese: Archaeoceti
Archaeology


[Classification]
The order Cetacea consists of three suborders: Mysticeti, Mysticeti, and Toothed Whales. The Archaeoceti whales originated in the Tethys Ocean, which spread from the Mediterranean Sea to East Asia, during the early Eocene period of the Tertiary Period, and became extinct at the beginning of the Oligocene. The oldest fossil is a part of a skull from Pakistan, belonging to the genus Pakicetus , which was about 2 meters long and could walk on land using its four limbs. …

*Some of the terminology explanations that mention "Archaeoceti" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[分類]
 クジラ目はムカシクジラ類,ヒゲクジラ類,ハクジラ類の3亜目よりなる。 ムカシクジラ類Archaeocetiは,第三紀始新世初期に,地中海から東アジアに広がっていたテチス海で発生し,漸新世初めに絶滅した。最古の化石は,パキスタン産の頭骨の一部で2mくらいの動物Pakicetus属で,四肢を使って陸上歩行もした。…

※「Archaeoceti」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

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