Crinoid calyx

Submitted by: Joseph Koniecki
Taxon: Megistocrinus rugosus
Submit date: 2008-03-23
Location (approximate): Thedford, Lambton, ON
Stratigraphy: Hungry Hollow Formation
Age: Erian (Middle Devonian)
Submitter notes: This crinoid is 3.5 cm across.

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