Crinoid Holdfast

Submitted by: Joseph Kchodl
Taxon: Ancyrocrinus bulbosus
Submit date: 2009-04-12
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Alpena Formation
Age: Erian (Middle Devonian)
Submitter notes: Two rare specimens from the spoil piles of the Lafarge quarry in Alpena. The larger holdfast measures 52.6mm high and 30mm at the widest point. The smaller is 37mm X 25.3mm.

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