Submitted by: Scott Vergiels
Taxon: Arthroacantha carpenteri, Logocrinus brandoni
Submit date: 2007-11-04
Location (approximate): Sylvania, Lucas, OH
Stratigraphy: Silica Formation
Age: Erian (Middle Devonian)
Submitter notes: A common Silica Formation species of very uncommon size. The crown is approximately 11mm tall. The tinier specimen is a Logocrinus which is about 8mm in height.

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