Search results for: 'rumin fossils'

A Knightia fish mortality plate with three fish from the Green River Fm., Lincoln Co. Wyoming. This piece is from the 18 Inch Layer which is extremely dense and difficult to prepare. It also provides the most detailed, highly preserved fossils.The Knightia eocaena is a Herring-like fish from the Eocene age (50 MYA).  Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. An exceptional display piece.  Note - This item weighs 2 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X463        SIZE: 4" (largest)      Plate size:  7.5" x 5" 

Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish

A Knightia fish mortality plate with three fish from the Green River Fm., Lincoln Co. Wyoming. This piece is from the 18 Inch Layer which is extremely dense and difficult to prepare. It also provides the most detailed, highly preserved fossils.The Knightia eocaena is a Herring-like fish from the Eocene age (50 MYA).  Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. An exceptional display piece.  Note - This item weighs 3.9 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X453        SIZE: 3-1/2" (largest)      Plate size:  11" x 9" 

Note - Adding 17 Green River Fm. Fossil fish in November 2025 --> Link to Fossil Fish

An extinct early rabbit jaw (Palaeolagus haydeni) from Sioux Co., Nebraska. Palaeolagus 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.

WR24        Size: 1-1/8"  

Name: Palaeolagus haydeni 

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 Dog-like Canid molar (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. 

WR48        Size: 1-1/4"  

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 Running Rhinoceras tooth (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. 

WR55       Size: 1-1/2"  

Name: Hyracodon nebraskensis

Age:  Oligocene

Location: Sioux Co., Nebraska

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

WR54       Size: 2-1/8"  

Name: Hyracodon nebraskensis

Age:  Oligocene

Location: Sioux Co., Nebraska

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

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. 

WR52       Size: 5"  

Name: Hyracodon nebraskensis

Age:  Oligocene

Location: Sioux Co., Nebraska

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

WR51       Size: 5-3/8"  

Name: Hyracodon nebraskensis

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. 

WR80      Size: 1"  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 tooth (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. 

WR79      Size: 5/8"  long 

Name: Merycoidodon gracilis 

Age:  Oligocene

Location: Sioux Co., Nebraska

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