Rare Crinoid Calyx

Submitted by: David Thompson
Taxon: Gennaeocrinus mourantae
Submit date: 2013-08-19
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Arkona Formation
Age: Erian (Middle Devonian)
Submitter notes: This shows the detail of pinnules on the feeding arms. There are several blobs of pyrite on the arms also.

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