Silica Fossil plate

Submitted by: David Thompson
Taxon: Arthroacantha carpenteri, Sulcoretepora deissi
Submit date: 2021-08-16
Location (approximate): Sylvania, Lucas, OH
Stratigraphy: Silica Formation
Age: Erian (Middle Devonian)
Submitter notes: This plate from the Silica shale was collected long ago, but I have not been able to get anyone with skills needed to prepare it until now. It shows a complete Arthroacantha carpenteri crinoid crown with arms, caylx and stem plus a distinctive Bryozoan colony related to the Silica Fm., Sulcoreteporra deissi (Mc Nair 1937) Size of plate 9" or 23 cm wide by 8 1/2" or 21 cm. Weighs 8 .5 lbs.

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