Isotomocrinus tenuis Heterocrinitid Crinoid Fossil

Isotomocrinus tenuis

Phylum Echinodermata, Class Crinoidea

Geological Time: Middle Ordovician

Size: Crinoid fossil is 5.5 cm (4 cm head and arms, 1.5 cm stem). Matrix dimensions are 12 x 14 cm

Fossil Site: Bobcaygeon Formation, Simcoe County, Ontario, Canada

Fossil Code: PFO369

Price: $145.00 - sold

Isotomocrinus tenuis Heterocrinitid Crinoid FossilsDescription: Here is a beautiful Isotomocrinus tenuis from the Bobcaygeon Formation of Simcoe Co., Ontario. This small heterocrinitid from the Kirkfield echinoderm fauna is on a piece of limestone matrix with associated burrows. It has excellent calyx structure and long beautiful arms, rarely seen complete in this species.

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