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An extinct extinct Oreodont jaw section (Merycoidodon gracilis ) from Sioux Co., Nebraska. Merycoidodon gracilis 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. 

WR75      Size: 2-1/2"  long 

Name: Merycoidodon gracilis 

Age:  Oligocene

Location: Sioux Co., Nebraska

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

An extinct extinct Oreodont jaw section (Merycoidodon gracilis ) from Sioux Co., Nebraska. Merycoidodon gracilis 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. 

WR74      Size: 2-1/2"  long 

Name: Merycoidodon gracilis 

Age:  Oligocene

Location: Sioux Co., Nebraska

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

An extinct extinct Oreodont jaw (Merycoidodon gracilis ) from Sioux Co., Nebraska. Merycoidodon gracilis 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. 

WR73      Size: 3-3/8"  long 

Name: Merycoidodon gracilis 

Age:  Oligocene

Location: Sioux Co., Nebraska

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

An extinct extinct Oreodont jaw (Merycoidodon gracilis ) from Sioux Co., Nebraska. Merycoidodon gracilis 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. 

WR72      Size: 3-1/2"  long 

Name: Merycoidodon gracilis 

Age:  Oligocene

Location: Sioux Co., Nebraska

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

An extinct extinct Oreodont jaw (Merycoidodon gracilis ) from Sioux Co., Nebraska. Merycoidodon gracilis 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. 

WR71      Size: 3-1/2"  long 

Name: Merycoidodon gracilis 

Age:  Oligocene

Location: Sioux Co., Nebraska

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

A very rare, Top Quality Tyrannosaurus rex  tooth with a wicked break away; a possible sign of T.rex fighting breakage. This tooth measures 2-1/4". The enamel has excellent color and patina. Excellent anterior and posterior serrations. Base cross-section is a wide oval. One crack. No restoration. A top quality tooth! T-Rex was the apex during the late Cretaceous with massive teeth capable of crushing its prey. See the detailed description to determine how to tell a real T-Rex tooth! Legally collected on private land in the Hell Creek Fm., Harding, So. Dakota. Authenticity guaranteed. Note - a Riker frame display is included. 

DT09        SIZE:  2-1/4"   (Base: 7/8" x 1/2"+)

Note - Adding 8 T. rex teeth in March 2024.    Link to T. rex teeth -->  T. rex teeth

A LARGE RARE, GEM QUALITY  Pectinodon bakkeri tooth from the Hell Creek Fm. of western North America. Anterior tooth. An April Fossil of the Month. Pectinodon is a small Troodontid and has teeth similar to Troodon.  Pectinodon are known for their very unique shaped teeth with unusually large distal serrations. The enamel is excellent with a great brown color.  Excellent large posterior and no anterior serrations. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Meade Co., So. Dakota. Authenticity guaranteed. This is your chance to own a rare, quality Pectinodon tooth. Perfect tooth.  Note - A gem jar will be included as photographed. 

DO15       SIZE: 5 mm

Note - Adding 27 new Troodontid teeth in April 2024.     Link to Pectinodon catalog.

An EXTRA LARGE, Top Quality Otodus sokolovi tooth from Harleyville, So. Carolina. Otodus sokolovi is the ancestor of O. auriculatus. An excellent anterior tooth. A March Fossil of the Month.  An excellent gray colored crown with a brown colored bourlette, and a brown colored root. Highest quality enamel. Excellent color & preservation. The serrations are large and razor sharp including the tip. Two large side cusps. The root is complete, extra thick (7/8"), and very well preserved. It is very hard to find these teeth in perfect condition. An excellent collector's Harleyville O. sokolovi tooth! Authenticity guaranteed. Near perfect tooth. Another well known shark tooth site that is no longer accessible to collectors. A BIG tooth!

SC402              SIZE: 3-5/16"

Note - Adding 18 Harleyville Auriculatus teeth in March 2025.     Link to the Harleyville Auriculatus teeth.

An EXTRA LARGE, Top Quality Otodus sokolovi tooth from Harleyville, So. Carolina. Otodus sokolovi is the ancestor of O. auriculatus. An excellent anterior tooth. A March Fossil of the Month.  An excellent gray colored crown with a brown colored bourlette, and a tan colored root. Highest quality enamel. Excellent color & preservation. The serrations are large and razor sharp including the tip. Two large side cusps. The root is complete, very thick (1"),  and very well preserved. It is very hard to find these teeth in perfect condition. An excellent collector's Harleyville O. sokolovi tooth! Authenticity guaranteed. Near perfect tooth. Another well known shark tooth site that is no longer accessible to collectors. A monster sized tooth!

SC401              SIZE: 3-13/16"

Note - Adding 18 Harleyville Auriculatus teeth in March 2025.     Link to the Harleyville Auriculatus teeth.

A very rare, Top Quality Tyrannosaurus rex  tooth. This tooth measures 2-1/8".  The enamel has excellent color and patina. Excellent anterior and good posterior serrations. Base cross-section is a wide oval. Minimal hydration cracks with some crack fill. An excllent tooth! T-Rex was the apex during the late Cretaceous with massive teeth capable of crushing its prey. See the detailed description to determine how to tell a real T-Rex tooth! Legally collected on private land in the Hell Creek Fm., Dawson Co., Montana. Authenticity guaranteed. Note - a Riker display frame is included. 

DT02        SIZE:  2-1/8"   (Base: 1-1/8" x 7/8")

Note - Adding 7 T. rex teeth in October 2023.    Link to T. rex teeth -->  T. rex teeth

A GEM, Heterodontus posterior teeth. Excellent color. Beautiful articulation! A difficult to find species!

C850               SIZE: 3/16"

A GEM, Heterodontus posterior teeth. Excellent color. Beautiful articulation! A difficult to find species!

C860            SIZE: 1/4"