| 单词 | pelycosaurian | 
| 释义 | Definition of pelycosaurian in English:pelycosaurianadjective ˌpɛlɪkəˈsɔːrɪən 
 OriginLate 19th century; earliest use found in American Naturalist. From scientific Latin Pelycosauria + -an. With use as noun compare slightly later pelycosaur. Definition of pelycosaurian in US English:pelycosaurianadjectiveˌpɛlɪkəˈsɔːrɪən 
 OriginLate 19th century; earliest use found in American Naturalist. From scientific Latin Pelycosauria + -an. With use as noun compare slightly later pelycosaur.  | 
	
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