Plate of crinoids

Submitted by: Joseph Koniecki
Taxon: Poteriocrinus arkonensis, Corocrinus calypso, Arthroacantha carpenteri
Submit date: 2010-10-26
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Arkona Formation
Age: Erian (Middle Devonian)
Submitter notes: The Poteriocrinus measures 3.7 cm from the tip of the anal tube to the bottom of the stem.

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