Athyris spiriferoides (Eaton)
©
2005 Falls of the Ohio State Park
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Brevispirifer gregarius (Clapp)
©
2005 Falls of the Ohio State Park
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Devonochonetes coronatus (Conrad)
©
2005 Falls of the Ohio State Park
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Megastrophia concava (Conrad)
©
2004 Falls of the Ohio State Park
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Pentagonia unisulcata
©
2005 Falls of the Ohio State Park
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Pseudatrypa sp. with lophophores
©
2005 Falls of the Ohio State Park
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Spiriferida
©
1997 Tom Maier
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Tropidoleptus carinatus (Conrad)
©
2005 Falls of the Ohio State Park
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Alveolites winchellana (Miller)
©
2003 Falls of the Ohio State Park
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