A set of three Small crinoid calyxes with fragments of snail attachments

Submitted by: David Thompson
Taxon: Gennaeocrinus variabilis, Platyceras
Submit date: 2012-07-04
Location (approximate): Rockport, Alpena, MI
Stratigraphy: Bell Formation
Age: Erian (Middle Devonian)
Submitter notes: These additional three Genneaocrinus all have partial snails attached to their tegmens. Due to the partial status these are put together rather then showcased individually. All these were from the same source in the Bell shale

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