Blastoid and Crinoid Pair

Submitted by: Stan Hyne
Taxon: Megistocrinus multidecoratus, Placoblastus obovatus
Submit date: 2008-03-13
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Thunder Bay Formation
Age: Erian (Middle Devonian)
Submitter notes: This great combination has a placoblastus measuring 32mm high and 22mm in diameter at it's widest. The crinoid measures 49mm in diameter and 28mm high.

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