About 1867, Jay Terrell was walking along the Lake Erie shore in Sheffield Lake when he noticed what appeared to be fossils in the shale cliffs above him that lined the lakeshore.
They proved to be the fossilized remains of a “terrible fish” — originally named Dinichthys Terrelli in his honor, per an account of his find in Sheffield Lake (there’s also an Ohio historical marker there chronicling the discovery).
The aquatic creature is now known as Dunkleosteus terrelli for Jay Terrell and the late David Dunkle, the curator of vertebrate paleontology at the museum in 1956 when the monster predator was renamed…