Search results for: 'sharks group of york'

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 High Quality Ptychodus anonymus tooth from Gove Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. 

KS302            SIZE: 9/16" x 7/16"

Note - Adding 2 new P. anonymus teeth in April 2020.   Link to Kansas P. anonymus teeth

A Top Quality Ptychodus mortoni tooth from Gove Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. Near Perfect tooth.

KS288           SIZE: 9/16"

Note - Adding 5 new P. mortoni teeth in April 2020.   Link to Kansas P. mortoni teeth

A LARGE, TOP QUALITY Great Hammerhead shark tooth, Sphyrna mokarran. Excellent color and serrations (Note - this is a serrated Hammerhead tooth). A large lateral tooth from a Pliocene land deposit in Duvall Co., Florida. No repair or restoration.  Authenticity guaranteed. A scarce, excellent collector's tooth.

F534            SIZE: 7/16"

A LARGE, TOP QUALITY Great Hammerhead shark tooth, Sphyrna mokarran. Excellent color and serrations (Note - this is a serrated Hammerhead tooth). A large lateral tooth from a Pliocene land deposit in Duvall Co., Florida. No repair or restoration.  Authenticity guaranteed. A scarce, excellent collector's tooth.

F533            SIZE: 1/2"

A LARGE, TOP QUALITY Great Hammerhead shark tooth, Sphyrna mokarran. Excellent color and serrations (Note - this is a serrated Hammerhead tooth). A large lateral tooth from a Pliocene land deposit in Duvall Co., Florida. No repair or restoration.  Authenticity guaranteed. A scarce, excellent collector's tooth.

F532            SIZE: 5/8"

A LARGE, TOP QUALITY Great Hammerhead shark tooth, Sphyrna mokarran. Excellent color and serrations (Note - this is a serrated Hammerhead tooth). A large lateral tooth from a Pliocene land deposit in Duvall Co., Florida. No repair or restoration.  Authenticity guaranteed. A scarce, excellent collector's tooth.

F531            SIZE: 5/8"

Petalodus alleghaniensis; an  Extinct Petalodont shark

A nice Posterior tooth. Beautifully articulated. Matrix free. An excellent collector's piece from an old collection!  

Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)

Location: Louisville, Cass Co., Nebraska

Z138            SIZE: 3/4" x  15/16" W

Poeciliodus sp.; an  Extinct Bradydont shark

A large crusher tooth. Exceptional preservation and excellent surface articulation. Matrix free. An exceptional collector's piece from an old collection!

Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)

Location: Louisville, Cass Co., Nebraska

Z140           SIZE: 15/16"

 Sandolodus sp.; an  Extinct Bradydont shark

A HUGE crusher tooth. Exceptional preservation. Complete tooth. An excellent collector's tooth. An extraordinary collector's tooth!  New Kansas location.

Age: Pennsylvanian (300 mya) ; Raytown Limestone Fm.

Location: Lenexa, Johnson Co., Kansas

Z123            SIZE: 1-5/16"