Summary[
edit] Description: English: Entobia borings and the cyclostome bryozoan Voigtopora thurni on an oyster valve from the Coon Creek Beds of the Ripley Formation (Upper Cretaceous) near Blue Springs, Mississippi. Date: 27 May 2010. Source: Own work. Author:
Wilson44691. Photograph taken by Mark A. Wilson (Department of Geology, The College of Wooster).
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