Crinoid calyx with coral

Submitted by: Joseph Koniecki
Taxon: Dolatocrinus romingeri, Antholites alpenensis
Submit date: 2012-01-11
Location (approximate): Alpena, Alpena, MI
Stratigraphy: Thunder Bay Formation
Age: Erian (Middle Devonian)
Submitter notes: The picture is a view of the cup and tegmen of the same specimen with a coral growing around the base of the cup. The calyx is 3.5 cm across

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