Detail of crinoid crown with feeding arms

Submitted by: David Thompson
Taxon: Dolatocrinus asterias
Submit date: 2011-06-09
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Thunder Bay Formation
Age: Erian (Middle Devonian)
Submitter notes: This is a close up view of the small crinoid previously. The species of Dolatocrinus asterias is quite variable in the plate structure of the calyx and this is a young example so the plates may not be typical.

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