A rare Top Quality Heterodontus dorsal spine - the Horn shark from the Sharktooth Hill area, near Bakersfield, California. These Heterodontus spines only occasionally fossilize and they are quite rare. A great defensive weapon for the Horn shark! No repair or restoration. Authenticity guaranteed. The Sharktooth deposits produce the largest and best fossil Horn shark spines.
ST117 SIZE: 1-5/16"
Note - Adding 4 Heterodontus dorsal spines in February 2022. Link to Heterodontus fossils