A rare, Top Quality Paleozoic shark dorsal spine from an extinct primitive shark, from the Paleozoic era in Indiana. Good color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's spine!
Age: Upper Mississippian (330 MYA); Indian Springs Shale Fm.
Location: Crawford Co., Indiana
Z045 SIZE: 1/4"
Adding 55 US Paleozoic teeth in May 2022 --> Link to US Paleozoic teeth