BLASTOID

Submitted by: John Topor
Taxon: Eleutherocrinus cassedayi
Submit date: 2010-11-04
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Hungry Hollow Formation
Age: Erian (Middle Devonian)
Submitter notes: A rare and sought after stemless blastoid that evolved to lay on the substrate. There is only one species worldwide for the genus Eleutherocrinus. This side view shows the living position of this blastoid. The specimen on the left measures 14mm X 9mm and the larger specimen on the right measures 19mm X 14.5mm.

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