Mississippian-age shark fossils
Shell-crushing, oval-shaped teeth (These belonged to shark-related fish called holocephalians.)
Pointed teeth
| Ctenacanthus dorsal spine, Hardin County. | |
| Detail of Ctenacanthus dorsal spine, Hardin County |
The Kentucky Geological Survey has archived this material, meaning (1) it is for reference, research, or recordkeeping; (2) it was created before April 24, 2026; (3) and the material has not been changed or altered since being archived. Please refer to our KGS Accessibility page for more information.
| Ctenacanthus dorsal spine, Hardin County. | |
| Detail of Ctenacanthus dorsal spine, Hardin County |