Mississippian-age shark fossils

Shell-crushing, oval-shaped teeth (These belonged to shark-related fish called holocephalians.)

Three views of Petalodus sp. shell-crushing shark tooth.
Front and back view of Petalodus sp. shark tooth.
Front and back view of Petalodus sp. shark tooth.
Deltodus sp. shell-crushing shark tooth.
Detail of Deltodus sp. shark teeth.
Polyrhizodus (?) sp. shell-crushing shark teeth.

 

Pointed teeth

Cladodont-type tooth.

 

Ctenacanthus dorsal spine, Hardin County.
Detail of Ctenacanthus dorsal spine, Hardin County


 

 

 

Last Modified on 2020-06-01
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