Tegmen view of previous crinod caylx

Submitted by: David Thompson
Taxon: Athroacantha carpenteri
Submit date: 2008-11-23
Location (approximate): Sylvania, Lucas, OH
Stratigraphy: Silica Formation
Age: Erian (Middle Devonian)
Submitter notes: This tegmen is without a gastropod and the anal tube is at 6:00 o'clock position

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