Peripristis semicircularis

A LARGE very rare, Top Quality Peripristis semicircularis, an extinct primitive shark tooth, from the Paleozoic era in Nebraska. Great color with the 3D crown exposed. A very well preserved specimen. No repair or restoration. Authenticity guaranteed. A rare excellent collector's tooth! 

Age: Upper Pennsylvanian (295 MYA); Stanton Fm.

Location: Cass Co., Nebraska

Z009     SIZE: 5/8"

Adding 55 US Paleozoic teeth in May 2022  -->  Link to US Paleozoic teeth

A very rare, Top Quality Peripristis semicircularis, an extinct primitive shark tooth, from the Paleozoic era in Iowa. Great color with excellent crown development. A very well preserved specimen. No repair or restoration. Authenticity guaranteed. A rare excellent collector's tooth! 

Age: Upper Pennsylvanian (300 MYA); Herta Limestone Fm.

Location: Pottawattamie Co., Iowa

Z010      SIZE: 1/2"

Adding 55 US Paleozoic teeth in May 2022  -->  Link to US Paleozoic teeth

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"

 Peripristis semicircularis ; an  Extinct Petalodont sharkA very rare, well preserved GEM posterior tooth. A complete tooth - crown & root - extremely rare! Beautifully articulated. Matrix free - incredibly rare. An exceptional collector's piece from an old collection!  The best available!   Reverse Photo.
Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)
Location: Louisville, Cass Co., Nebraska

Z149     SIZE: 5/16"