Nautiloid

Submitted by: Mike Palescuk
Taxon:
Submit date: 2026-01-13
Location (approximate): Sylvania, Lucas, OH
Stratigraphy: Silica Formation
Age: Erian (Middle Devonian)
Submitter notes: A large cephalopod (nautiloid) endocast with epifauna. This specimen measures 7.75 inches in diameter and is 3 inches thick. It has a Bryozoan, Hederella, on lower left of it's living chamber and the coral Aulopora on the septae (right side).

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