Mammal Teeth & Fossils

An extinct early Running Rhinoceras jaw (Hyracodon nebraskensis) from Sioux Co., Nebraska. Hyracodon nebraskensis 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. 

WR53       Size: 3-1/4"  

Name: Hyracodon nebraskensis

Age:  Oligocene

Location: Sioux Co., Nebraska

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

A TOP QUALITY, Dolphin tooth from the Bahia Iglesa Fm. of central Chile. Gorgeous color and preservation. A long beak species. Complete tooth. Species #5 - flat sided crown and root. A rare species. Perfect tooth. Authenticity guaranteed.

C923        Size: 11/16"

Note - Adding 32 Dolphin teeth / ear bones in March 2025.  Link -> Chilean Dolphin fossils

A TOP QUALITY, Dolphin tooth from the Bahia Iglesa Fm. of central Chile. Gorgeous color and preservation. Complete tooth. Type #2 - Conical crown and  a broad pinched root. A rare species. Near Perfect tooth. Authenticity guaranteed.

C920        Size: 11/16"

Note - Adding 32 Dolphin teeth / ear bones in March 2025.  Link -> Chilean Dolphin fossils

A Top Quality Dophin tooth (design 4) from the Lee Creek mine, Aurora, No. Carolina. This is a complete rooted tooth. Excellent preservation and color. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. Perfect tooth.

LC870       Size: 15/16"

Note - Adding 22 new Lee Creek dolphin fossils in March 2023.     Link to Lee Creek Dolphin fossils.   

A Top Quality Dophin tooth (design 3) from the Lee Creek mine, Aurora, No. Carolina. This is a complete rooted tooth. Excellent preservation and color. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. Prefect tooth. 

LC865      Size: 7/8"

Note - Adding 22 new Lee Creek dolphin fossils in March 2023.     Link to Lee Creek Dolphin fossils.   

A Top Quality Dophin tooth (design 2) from the Lee Creek mine, Aurora, No. Carolina. This is a near complete rooted tooth. Excellent preservation and color. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. Near perfect tooth. 

LC860      Size: 1-3/16"

Note - Adding 22 new Lee Creek dolphin fossils in March 2023.     Link to Lee Creek Dolphin fossils.   

A Top Quality Dophin tooth (design 2) from the Lee Creek mine, Aurora, No. Carolina. This is a near complete rooted tooth. Excellent preservation and color. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. Near perfect tooth. 

LC859      Size: 1-1/16"

Note - Adding 22 new Lee Creek dolphin fossils in March 2023.     Link to Lee Creek Dolphin fossils.   

A Top Quality Dophin jaw section from the Lee Creek mine, Aurora, No. Carolina. Excellent preservation and color. This is a Miocene fossil from the Pungo River Fm. An excellent collector's fossil dolphin jaw. Authenticity guaranteed. 

LC852      Size: 2-1/16"

Note - Adding 22 new Lee Creek dolphin fossils in March 2023.     Link to Lee Creek Dolphin 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.

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 camel jaw (Poebrotherium wilsoni) from Sioux Co., Nebraska. Poebrotherium 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. 

WR08        Size: 1-7/8"  

Name: Poebrotherium wilsoni

Age:  Oligocene

Location: Sioux Co., Nebraska

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

An extinct early Deer-like Ruminant jaw (Leptomeryx evansi) from Sioux Co., Nebraska. Leptomeryx 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. 

WR32        Size: 1-3/4"  

Name: Leptomeryx evansi 

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