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pantotheria

/ˌpæn.təˈθɪə.ri.ə/

翻译: 泛兽亚纲,一类已灭绝的哺乳动物,生存于侏罗纪至白垩纪,通常被视为有袋类和胎盘类哺乳动物的祖先。

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noun

/ˌpæn.təˈθɪə.ri.ə/C2formalscientific
  • zh泛兽亚纲,一类已灭绝的哺乳动物,生存于侏罗纪至白垩纪,通常被视为有袋类和胎盘类哺乳动物的祖先。

A taxonomic group of generalized extinct mammals that were widespread during the Jurassic period and are commonly considered ancestral to marsupial and placental mammals.

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  1. Extinct mammal groupC2formalscientific

    A group of generalized extinct mammals that lived during the Jurassic period, widely considered to be the ancestors of marsupial and placental mammals.

    zh已灭绝的哺乳动物类群

    • Pantotheria are believed to have given rise to modern marsupials and placentals.
    • Fossils of Pantotheria have been found in Jurassic rock formations.
    • Scientists study Pantotheria to understand early mammalian evolution.