Jay Terrell and his “Terrible Fish”

Jay Terrell and his “Terrible Fish” is an Ohio historical marker in Lorain County.

Lorain County · Lake Road (US 6), Sheffield Lake, OH, 44054 -- Shell Cove Park, Lake Road (US 6)

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Side A: Around 1867, along the shale cliffs of the lakeshore of Sheffield Lake, Jay Terrell found fossils of a “terrible fish” later named in his honor as Dinichthys Terrelli. This animal, now known as Dunkleosteus terrelli, was a massive arthrodire (an extinct, joint-necked, armor-plated fish) that lived in the Devonian sea, which covered much of eastern North America some 354-364 million years ago. Dunkleosteus was armed with an incredible set of shearing jaws and was clearly the top marine predator in the Devonian Period (the “Age of Fishes”). Side B: Same

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David Rumsey Map Collection, Stanford Libraries

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under a mile from where William Gabby lived in the 1760s

what this marker records spans 1777 to 1789, overlapping William Gabby's years here

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Marker data: Ohio Historical Markers program, Ohio History Connection (Remarkable Ohio)

Jay Terrell and his “Terrible Fish”

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