| 释义 |
cot·y·lo·saur AHD[kŏtʹl-ə-sôr'] D.J.[ˈkɒtləˌsɔː]K.K.[ˈkɑtləˌsɔr]n.（名词）- Any of an extinct order (Cotylosauria) of massive primitive reptiles of the Carboniferous and Permian periods that included the ancestors of all of the reptiles. Also called root reptile Also called stem reptile 杯龙类：任何大的原始爬虫类（杯龙类）的已灭绝种类之一，属于包含所有爬虫类的祖先的石炭纪和二迭纪时代 也作 root reptile 也作 stem reptile
- Greek kotulē [hollow object, socket] Greek kotulē [hollow object, socket]
- Greek sauros [lizard] Greek sauros [lizard]
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