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单词 Chelid
释义

Chelid

英语百科

Chelidae

Scute and Skeletal elements of the Chelid Carapace
Scute and Skeletal elements of the Chelid Plastron
A mata mata, Chelus fimbriatus

The Chelidae are one of three living families of the turtle suborder Pleurodira and are commonly called the Austro-South American side-neck turtles. The family is distributed in Australia, New Guinea, parts of Indonesia, and throughout most of South America. It is a large family of turtles with a significant fossil history dating back to the Cretaceous. The family is entirely Gondwanan in origin, with no members found outside of Gondwana, either in the present day or as a fossil.

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