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Blastoid Fossils

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Blastoid Fossils.jpg
Blastoid Fossils. Photo taken by DanielCD on 4/19/05.

Blastoids were echinoderms with a hickory-nut sized and shaped body attached to a long stalk, similar to that of a crinoid. They are known from Silurian, Devonian, and Mississippian rocks. They are common in some units. [[Category:{$topic}]]