Search results for: 'mako shark teeth fossils miocene epoch/'

An extinct early ground squirrel jaw (Ischyromys sp.) from Sioux Co., Nebraska. Ischyromys was one of many mammals that thrived in the Early Oligocene in North America. Found in the Brule Fm. (Rupelian) 33 - 30 million years ago. A very well preserved specimen. No repair or restoration. Authenticity guaranteed. This item comes with a 2"x 2" floating frame display.

WR14        Size: 7/8"  

Name: Ischyromys sp. 

Age:  Oligocene

Location: Sioux Co., Nebraska

Note - Posting 49 Oligocene Mammal fossils in January 2025.      Link to Oligocene Mammal Fossils

An extinct early ground squirrel jaw (Ischyromys sp.) from Sioux Co., Nebraska. Ischyromys was one of many mammals that thrived in the Early Oligocene in North America. Found in the Brule Fm. (Rupelian) 33 - 30 million years ago. A very well preserved specimen. No repair or restoration. Authenticity guaranteed. This item comes with a 2"x 2" floating frame display.

WR13        Size: 3/4"  

Name: Ischyromys sp. 

Age:  Oligocene

Location: Sioux Co., Nebraska

Note - Posting 49 Oligocene Mammal fossils in January 2025.      Link to Oligocene Mammal Fossils

An extinct early ground squirrel jaw (Ischyromys sp.) from Sioux Co., Nebraska. Ischyromys was one of many mammals that thrived in the Early Oligocene in North America. Found in the Brule Fm. (Rupelian) 33 - 30 million years ago. A very well preserved specimen. No repair or restoration. Authenticity guaranteed. This item comes with a 2"x 2" floating frame display.

WR12        Size: 1"  

Name: Ischyromys sp. 

Age:  Oligocene

Location: Sioux Co., Nebraska

Note - Posting 49 Oligocene Mammal fossils in January 2025.      Link to Oligocene Mammal Fossils

An extinct early Dog-like Canid jaw (Hesperocyon gregarius) from Sioux Co., Nebraska. Hesperocyon gregarius was one of many mammals that thrived in the Early Oligocene in North America. Found in the Brule Fm. (Rupelian) 33 - 30 million years ago. A very well preserved specimen. No repair or restoration. Authenticity guaranteed. This item comes witha 2"x 2" floating frame display.

WR45        Size: 1"  

Name: Hesperocyon gregarius

Age:  Oligocene

Location: Sioux Co., Nebraska

Note - Posting 49 Oligocene Mammal fossils in January 2025.      Link to Oligocene Mammal Fossils

An EXTRA LARGE, High Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These  teeth have a design that includes a high cusp with radiating occlusal ridges extending across the cusp face. Authenticity guaranteed. P. mortoni is a rare species in Texas, and when teeth get this large they are extremely rare! The last of my largest teeth.  

T371            SIZE: 1-3/4" x 1' height

Adding 24 Ptychodus mortoni teeth in August 2025.   Link to Texas shark teeth

A TOP QUALITY very rare classic Parotodus benedeni tooth from the Lee Creek mine, Aurora, No. Carolina. Lateral tooth. The crown has sharp cutting edges. Excellent tan color with a light tan root and bourlette. The root is ~5/8" thick and shows typical hydration cracks. This Parotodus tooth was found in the Yorktown Formation (Pliocene age). No repair or restoration. A very special, rare collector's tooth. Authenticity guaranteed.  

LC104           Size: 2-5/16"

Note - Adding 6 Lee Creek P benedeni teeth in  March 2025.    Link to LC P. benedeni teeth

A TOP QUALITY very rare classic Parotodus benedeni tooth from the Lee Creek mine, Aurora, No. Carolina. Lateral tooth. The crown has sharp cutting edges. Excellent tan color with a light tan root and bourlette. The root is ~3/4" thick and shows typical hydration cracks. This Parotodus tooth was found in the Yorktown Formation (Pliocene age). Note - the left root end was repaired. A very special, rare collector's tooth. Authenticity guaranteed.  

LC103           Size: 2-5/8"

Note - Adding 6 Lee Creek P benedeni teeth in  March 2025.    Link to LC P. benedeni teeth

A LARGE rare, Top Quality Chomatodus sp., an extinct Petalodont shark tooth, from the Paleozoic era in Indiana. Good color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Upper Mississippian (330 MYA); Indian Springs Shale Fm.

Location: Crawford Co., Indiana

Z047      SIZE: 1"

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

A very rare, Top Quality Deltoptychius sp., an extinct Bradydont shark tooth, from the Paleozoic era in Indiana. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Upper Mississippian (330 MYA); Haney Fm.

Location: Crawford Co., Indiana

Z044      SIZE: 5/16"

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

A very rare, Top Quality Chomatodus multiplicatus, an extinct primitive shark tooth, from the Paleozoic era in Kentucky. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Upper Mississippian (330 MYA); Salem Limestone Fm.

Location: Hardin Co., Kentucky

Z031      SIZE: 7/16"

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

A rare, Top Quality Chomatodus sp., an extinct primitive shark tooth, from the Paleozoic era in Kentucky. Good color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Upper Mississippian (330 MYA); Muldraugh Fm.

Location: Hardin Co., Kentucky

Z023      SIZE: 3/4"

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

A rare, Top Quality Lagarodus sp., an extinct primitive shark tooth, from the Paleozoic era in Kentucky. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Upper Mississippian (340 MYA); Muldraugh Fm.

Location: Hardin Co., Kentucky

Z017      SIZE: 9/16"

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