Crinoid Calyx

Submitted by: Mike Topor
Taxon: Corocrinus(?) calypso
Submit date: 2007-02-18
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Arkona Formation
Age: Erian (Middle Devonian)
Submitter notes: Corocrinus is the second most common crinoid in the formation behind Arthroacantha. It's distinctive ornamentation and three notches on the basals are characteristic of the crinoid. However, it's placement needs revision. The specimen is 22mm high and 15mm wide

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