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单词 sphenacodont
释义

sphenacodont

英汉-汉英词典
n. 楔齿龙
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  • sphincter n. 括约肌
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网络短语:
sphenacodont 楔齿龙
英语百科

Sphenacodontia

Sphenacodontia is a stem-based clade of derived synapsids. It was defined by Amson and Laurin (2011) as "the largest clade that includes Haptodus baylei, Haptodus garnettensis and Sphenacodon ferox, but not Edaphosaurus pogonias". They first appear during the Late Pennsylvanian epoch.

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