Fossilized Cardiodictyon catenulum (IMAGE)

University of Arizona

Fossilized Cardiodictyon catenulum

Caption

The fossilized Cardiodictyon catenulum was discovered in 1984 among a diverse assemblage of extinct creatures known as the Chengjian fauna in Yunnan, China. In this photo, the animal's head is to the right.

Credit

Nicholas Strausfeld/University of Arizona

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