Another view of coiled stem.

Submitted by: David Thompson
Taxon: unknown crinoid stem
Submit date: 2008-11-23
Location (approximate): Milan, Washtenaw, MI
Stratigraphy: Silica Formation
Age: Erian (Middle Devonian)
Submitter notes: Given the fauna at this location, I would venture to call this a Arthroacantha stem but there is not sufficient data to do so.

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