Thunder Bay Blastoid

Submitted by: David Thompson
Taxon: Nucleocrinus meloniformis
Submit date: 2007-03-25
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Thunder Bay Formation
Age: Erian (Middle Devonian)
Submitter notes: This is one of three views of this Nucleocrinus meloniformis (Barris) specimen collected at Partridge Point in Alpena, MI. This is the oral view with a U.S. Ten cent piece for scale. This large pristine blastoid was just rolling in the water!

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