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Image	Taxa	Strat Unit	Contributor
	ptyctodont	Silica formation	Mary Ann Szwabowski
Submitted on 2025-06-07 by Mary Ann Szwabowski Location (approximate): Sylvania, Lucas, OH Strat unit: Silica formation Submitter notes: This speciman is a crusher tooth plate Photo title: Fish Tooth Taxa present: ptyctodont View full record
	Cephalopoda	Silica formation	Mary Ann Szwabowski
Submitted on 2026-01-14 by Mary Ann Szwabowski Location (approximate): Sylvania, Lucas, OH Strat unit: Silica formation Submitter notes: None Photo title: Nautiloid Cephalopod - Curved Taxa present: Cephalopoda View full record