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Home → Other → GeoPicture

GeoPicture of the Week: Crinoid Fossils

Mihai Andrei by Mihai Andrei
January 9, 2016
in GeoPicture

Crinoids are marine animal (not plants) that have been around since the late Cambrian, some 500 million years ago. Crinoids usually have a stem used to attach themselves to a substrate, but many live attached only as juveniles and become free-swimming as adults. They are very fragile and require specific conditions to be preserved, so fossils like this one are very rare indeed.

Tags: crinoidfossilGeoPicture

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