Crinoid calyx

Submitted by: Joseph Koniecki
Taxon: Megistocrinus rugosus
Submit date: 2011-12-13
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Hungry Hollow Formation
Age: Erian (Middle Devonian)
Submitter notes: This specimen is 6 cm across. The two views are of the same specimen (top and bottom).

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