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Image: Entobia Prairie Bluff Chalk Formation Cretaceous

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Description: Entobia, a sponge boring from the Prairie Bluff Chalk Formation (Maastrichtian, Upper Cretaceous) of Starkville, Mississippi. Preserved as a cast of the excavations.
Title: Entobia Prairie Bluff Chalk Formation Cretaceous
Credit: Own work
Author: Wilson44691
Usage Terms: Creative Commons Zero, Public Domain Dedication
License: CC0
License Link: http://creativecommons.org/publicdomain/zero/1.0/deed.en
Attribution Required?: No

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