Nautiloid

Submitted by: Mike Palescuk
Taxon:
Submit date: 2026-01-14
Location (approximate): Sylvania, Lucas, OH
Stratigraphy: Silica Formation
Age: Erian (Middle Devonian)
Submitter notes: The opposite side of the large nautiloid endocast with encrusting coral Aulopora. This specimen measures 7.75 inches in diameter and is 3 inches thick.

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