Search results for: 'many good planus with shark cone'

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

A rare Quality Hexanchus collinsonae tooth, a Sixgill Cow shark, from the Muddy Creek / Fisher - Sullivan site, Virginia.  An upper jaw tooth with 2 primary cusps. Good color and preservation. This is an Early Eocene (Ypresian) age, Nanjemoy Formation tooth. A special collector's Cow shark tooth. Authenticity guaranteed. 

MC962         Size: 3/8"

Note adding 15 Muddy Creek Cow shark teeth in June 2022.  --> Link to Muddy Creek Cow Shark teeth

A rare Quality Hexanchus collinsonae tooth, a Sixgill Cow shark, from the Muddy Creek / Fisher - Sullivan site, Virginia.  An upper jaw tooth with 2 primary cusps. Good color and preservation. This is an Early Eocene (Ypresian) age, Nanjemoy Formation tooth. A special collector's Cow shark tooth. Authenticity guaranteed. 

MC961         Size: 7/16"

Note adding 15 Muddy Creek Cow shark teeth in June 2022.  --> Link to Muddy Creek Cow Shark teeth

A Very Rare, Top Quality (Gem) Rolfodon ludvigseni tooth from Hornby Island, British Columbia, Canada. An August Fossil of the Month. This is a new genius from the Late Cretaceous deep water Northumberland Formation deposit. A unique species of Chlamydoselachiform shark, the Frill shark. These teeth exhibit classic Frill shark design with a central cusp flanked by two lateral cusps. A lateral tooth. The crown is complete and the root is complete. Note - two crown ends were very neatly reattached without fill or gaps which is typical for a matrix free specimen. Crack lines are hard to see without magnification. Highest quality enamel. No repair. A very difficult tooth to locate and an excellent collector's tooth. Authenticity guaranteed. This incredible specimen is from a 20 year old collection. A fantastic Frill shark specimen!

CD92              SIZE: 5/16"  Wide 

Note - Adding 64 Hornby Island deep water shark teeth.   ->   Link to all Hornby Island shark teeth.

A rare, High Quality Alopias grandis shark tooth, the extinct Giant Thresher, from So. Carolina. Nice blue color. Very good preservation and condition with a root break. No repair or restoration. These teeth are not commonly found and seen. A rare collectors' tooth in high quality condition. Try finding one of these teeth! Authenticity guaranteed.    

SC847           SIZE: 7/8"

Posting 21 Giant Thresher shark teeth in June 2024.    Link to Thresher sharks. 

An EXTRA LARGE rare, Top Quality Alopias grandis shark tooth, the extinct Giant Thresher, from So. Carolina. Excellent black color. Very good preservation and condition. An Oligocene age tooth. No repair or restoration. These teeth are not commonly found and seen. A rare collectors' tooth in top quality condition. Authenticity guaranteed. My largest Alopias grandis tooth!   

SC831           SIZE: 1-13/16"

Posting 21 Giant Thresher shark teeth in June 2024.    Link to Thresher sharks. 

An ultra rare, GEM North Carolina Carcharodon carcharias, upper jaw Anterior tooth from the copper-red site. This is an incredible copper-red colored Great White shark tooth. The enamel is the highest possible quality with no hydration cracks. A gorgeous North Carolina copper-red Great White shark tooth. An exceptional collector's tooth. Note - you rarely see a copper-red Great White shark tooth that has a top quality crown, root and serrations - a top 1% tooth from this site! NO repair! The BEST of the BEST!

NC203               SIZE: 2-5/8"+

A very rare, Alopias palatasi shark tooth, an extinct serrated Giant Thresher, from So. Carolina. Nice blue color. Good preservation, but there is erosion. Serrations are visible. These teeth are rarely found and seen. A rare collectors' tooth in high quality condition. Authenticity guaranteed. This is the second rarest of the Giant Thresher species.   

SC849           SIZE: 1-3/8"

Posting 21 Giant Thresher shark teeth in June 2024.    Link to Giant Thresher sharks. 

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.

WR11        Size: 1-1/8"  

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 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. Note - this animal was quite old and wore down its teeth.

WR47        Size: 2-3/8"  

Name: Hesperocyon gregarius

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.

WR46        Size: 15/16"  

Name: Hesperocyon gregarius

Age:  Oligocene

Location: Sioux Co., Nebraska

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