ornamented crinoid calyx

Submitted by: David Thompson
Taxon: Megistocrinus multidecoratus
Submit date: 2012-07-04
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Thunder Bay Formation
Age: Erian (Middle Devonian)
Submitter notes: This nice large calyx shows the varied ornamentation that leads to the name 'multidecoratus'

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