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单词 Proganosauria
释义

Proganosauria

英语百科

Parareptilia

Life restoration of Nyctiphruretus acudens

Parareptilia ("at the side of reptiles") is a subclass or clade of reptiles which is variously defined as an extinct group of primitive anapsids, or a more cladistically correct alternative to Anapsida. Whether the term is valid depends on the phylogenetic position of turtles, the relationships of which to other reptilian groups are still uncertain.

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