Crinoid Calyx

Submitted by: John Topor
Taxon: Gilbertsocrinus ohioensis
Submit date: 2009-02-05
Location (approximate): Sylvania, Lucas, OH
Stratigraphy: Silica Formation
Age: Erian (Middle Devonian)
Submitter notes: A heavily pyritized calyx showing the basal area spines. One of the more common crinoids of the formation. The calyx measures 22mm x 26mm and rests on matrix measuring 75mm x 61mm.

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