Peripristis semicircularis
Peripristis semicircularis ; an Extinct Petalodont shark
A very rare, well preserved tooth. Beautifully articulated. An exceptional collector's piece from an old collection! The best available!
Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)
Location: Louisville, Cass Co., Nebraska
Z148 SIZE: 3/4"