pelycosaur
/pel-i-kuh-sawr/US // ˈpɛl ɪ kəˌsɔr //UK // (ˈpɛlɪkəʊˌsɔː) //
翼龙,梭形龙,弹力龙,梭鱼龙
Definitions
n.名词 noun
- 1
- : any of a group of large primitive reptiles belonging to the extinct order Pelycosauria, abundant in North America and Europe during the Permian Period, often having a tall spinal sail.
Examples
On a new pelycosaur from the lower Permian of Oklahoma, and the origin of the family Caseidae.
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