Search results for: 'out of spine shark teeth 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 Top Quality Hexanchus griseus tooth from the Caldera Basin of Chile. This is complete lower jaw tooth from a large shark. Superb preservation and color. Eight primary cusps. An excellent root which is very unique & extremely difficult to find! A Perfect rare collector's tooth. Authenticity guaranteed. Unfortunately there are no more teeth coming from this site. This rare piece is from an old collection.     

C407L          Size: 1-1/2"

Note - Adding 18 new Chilean Hexanchus teeth in February 2024 ->  Link to Hexanchus Teeth 

A LARGE, Top Quality Hexanchus griseus tooth from the Caldera Basin of Chile. This is complete lower jaw tooth from a large shark. Superb preservation and color. Eleven primary cusps. An excellent root which is very unique & extremely difficult to find! A Perfect rare collector's tooth. Authenticity guaranteed.Unfortunately there are no more teeth coming from this site. This rare piece is from an old collection.     

C406L          Size: 1-11/16"

Note - Adding 18 new Chilean Hexanchus teeth in February 2024 ->  Link to Hexanchus Teeth 

An EXTRA LARGE, Top Quality Ankylosaurus osteoderm (bony armor plate) from the late Cretaceous of northern North America. Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds, and a body covered with this bony armor. A complete body osteoderm plate from an adult Ankylosaurus. The bone quality is excellent with excellent color and patina. This osteoderm has a high ridge on one side. There are some hydration cracks and crack fill. No restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. An excellent collector's quality Ankylosaur osteoderm. A thick and heavy osteoderm.

DK23         SIZE: 6-1/2"  x  4-3/8"  (Height = 1-3/4" on high side)

Note - Adding 7 new Ankylosaur - Nodosaur fossils in August 2025.       Link to Ankylosaur fossils catalog.

A large, very rare Parotodus benedeni lateral tooth.

K956        SIZE: ~7/8"

A large, very rare Parotodus benedeni lower jaw tooth.

K957           SIZE: 13/16"

A TOP QUALITY, EXTRA LARGE Angustidens tooth - a wide upper jaw anterior tooth from the Wando River, SC. This Angustidens tooth is exceptionally large - nearly 4" - a size rarely seen with a Angustidens.  The color is excellent.  The enamel quality is exceptional. The serrations are razor sharp including the tip. The bourlette is excellent and essentially complete. The root is excellent and complete. Note - several small root face "pits" were filled to improve the aesthetic appearance. Excellent symmetry. This is a rare sized, well preserved Angustidens tooth.  AN EXCELLENT Collector's tooth!  

SC059            SIZE: 3-7/8" 3" W

A HUGE, tan colored Angustidens   ANTERIOR tooth (upper jaw) with a solid brown bourlette (100% complete), and a tan root. Highest quality enamel. Excellent color and preservation. Excellent serrations including the tip.  Very nice side cusps and root (no hydration cracks). A very special, top quality big Angustidens tooth. 

SC501           SIZE: 3-7/8" 3-1/8" W

A Top Quality, Rare Pachychephalosaurus wyomingensis spike from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by these spikes and nodes. These spikes and nodes were part of the skull. This spike has excellent color / patina. It is a nearly complete specimen with no cracks or breaks. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. An excellent collector's quality Pachychephalosaurus spike. You don't see these skull pieces very often. No repair or restoration. Authenticity guaranteed.

DP40       SIZE: 1-1/2"   (7/8" W) 

Note - Adding 6 new Pachy spikes / teeth in February 2025.       Link to Pachy fossils catalog

A HUGE, Top Quality Ptychodus mammillaris, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Kamp Ranch Fm. tooth. These massive teeth have a design with strong transverse ridges across the cusp that transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Note - one margin has a natural crack which contains matrix within it and the root structure is missing. This is a rare species and a suer rare size - this specimen exceeds the maximum size recorded for Texas!

T271            SIZE: 1-13/16"  x 1-1/8"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth