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Sunday, December 5, 2021

Hexagonaria Coral with Hederella Bryozoan Fossils

These pictures are of a Hexagonaria anna (Whitfield, 1973) coral fossil. It was found in the Bell Shale of the Traverse Group of Alpena, Michigan, USA. The coral lived in the Devonian Period. On the bottom of the coral is a small colony (3 cm long) of Hederella (Hall, 1883) bryozoans.