Large Crinoid Caylx

Submitted by: David Thompson
Taxon: Megistocrinus multidecoratus
Submit date: 2013-01-20
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Thunder Bay Formation
Age: Erian (Middle Devonian)
Submitter notes: This is a very large example of the caylx of a Megistocrinus multidecoratus from the Thunder Bay Limestone of Partridge point in Alpena. It weighs 7 ounces and is nearly 2 inches high by 3 inches wide, a monster from this location

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