Crinoid-Blastoid combination

Submitted by: David Thompson
Taxon: Gilbertsocrinus ohioensis, Platyceras
Submit date: 2007-02-17
Location (approximate): Sylvania, Lucas, OH
Stratigraphy: Silica Formation
Age: Erian (Middle Devonian)
Submitter notes: This Silica Crinoid, Gilbertsocrinus ohioensis, is beautifully displayed as a whole speciman elsewhere on this site. This example is a side view of the caylx with stem and showing the spine at the bottom in place while a small Platyceras is attached at the top right. Given the large spines on this crinoid, the Platyceras had to get on top some way other then crawling up the sides!

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