Crinoid calyx

Submitted by: Joseph Koniecki
Taxon: Atractocrinus concinnus
Submit date: 2018-03-13
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Arkona Formation
Age: Erian (Middle Devonian)
Submitter notes: This crinoid is 1.1 cm tall.

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