Search results for: 'tooth wide age greenery'

An extinct extinct Oreodont jaw (Merycoidodon culbertson) from Converse Co., Wyoming. Merycoidodon culbertson  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. 

WR61       Size: 4-5/8"  long x 1-1/4" wide x 1-1/2" height

Name: Merycoidodon culbertson

Age:  Oligocene

Location: Converse Co., Wyoming

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

A Very Rare, Top Quality Protoheptranchias lowei lower jaw tooth from Hornby Island, British Columbia, Canada. This is a new genius from the Late Cretaceous deep water Northumberland Formation deposit. A unique species of Hexanchiforme shark. The crown is complete with 7 cusplets (2 nicked) and the root is essentially complete.  High quality enamel. No repair. A very difficult tooth to locate and an excellent collector's tooth. Authenticity guaranteed. This incredible specimen is from a 20 year old collection. 

CD71              SIZE: 7/16"+  Wide 

Note - Adding 64 Hornby Island deep water shark teeth.   ->   Link to all Hornby Island shark teeth.

A Very Rare, Top Quality Protoheptranchias lowei lower jaw tooth from Hornby Island, British Columbia, Canada. This is a new genius from the Late Cretaceous deep water Northumberland Formation deposit. A unique species of Hexanchiforme shark. The crown is complete (5 cusps - one small tip nick) and the root is complete.  High quality enamel. No repair. A very difficult tooth to locate and an excellent collector's tooth. Authenticity guaranteed. This incredible specimen is from a 20 year old collection. 

CD79              SIZE: 7/16"  Wide

Note - Adding 64 Hornby Island deep water shark teeth.   ->   Link to all Hornby Island shark teeth.

A Very Rare, Quality Protoheptranchias lowei lower jaw tooth from Hornby Island, British Columbia, Canada. This is a new genius from the Late Cretaceous deep water Northumberland Formation deposit. A unique species of Hexanchiforme shark. The crown is complete (5 cusps) and the root is complete (cracked).  High quality enamel. No repair. A very difficult tooth to locate and an excellent collector's tooth. Authenticity guaranteed. This incredible specimen is from a 20 year old collection. 

CD80              SIZE: 7/16"  Wide

Note - Adding 64 Hornby Island deep water shark teeth.   ->   Link to all Hornby Island shark teeth.

A Very Rare, Top Quality Notidanodon pectinatus tooth from Hornby Island, British Columbia, Canada. This genius is from the Late Cretaceous deep water Northumberland Formation deposit. A unique species of Hexanchiforme shark. The crown is complete with 7 cusplets (4 damaged) and the root is essentially complete (cracked).  High quality enamel. No repair. A very difficult tooth to locate and an excellent collector's tooth. Authenticity guaranteed. This incredible specimen is from a 20 year old collection.

CD100             SIZE: 1/2"  Wide 

Note - Adding 64 Hornby Island deep water shark teeth.   ->   Link to all Hornby Island shark teeth.

A Very Rare, Top Quality Hexanchus microdon lower jaw tooth from Hornby Island, British Columbia, Canada. This is a newly named species from the Late Cretaceous deep water Northumberland Formation deposit. A species of Hexanchiforme shark. The crown is complete with 7 cusplets and the root has very small damage. High quality enamel. No repair. A very difficult tooth to locate and an excellent collector's tooth. Authenticity guaranteed. This incredible specimen is from a 20 year old collection. My best Hexanchus specimen.

CD51              SIZE: 9/16" Wide 

Note - Adding 64 Hornby Island deep water shark teeth.   ->   Link to Hornby Island shark teeth.

A Very Rare, Top Quality Hexanchus microdon lower jaw tooth from Hornby Island, British Columbia, Canada. This is a species from the Late Cretaceous deep water Northumberland Formation deposit. A species of Hexanchiforme shark. The crown is complete with 6 cusplets (2 nicked) and the root has very small damage. High quality enamel. No repair. A very difficult tooth to locate and an excellent collector's tooth. Authenticity guaranteed. This incredible specimen is from a 20 year old collection. 

CD52              SIZE: 1/2" Wide 

Note - Adding 64 Hornby Island deep water shark teeth.   ->   Link to Hornby Island shark teeth.

A very rare, Sphenodus tooth, from a very early shark. Absolutely great preservation - excellent condition with extra sharp cutting edges. These are Upper Jurassic age from Voskresensk, Russia. Note - there appears to be very minor repair (patch) on the rear of root (1/16" sliver area); left hand corner of the root of this tooth (rear side). Repair not visible front the display side. Bargain priced for a rare, killer Sphenodus tooth!

R209         SIZE: 5/8"

A very rare, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Fantastic enamel quality. Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I17          SIZE:  1-5/8" w/ root   (1-1/4"crown)

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.

A very rare, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Fantastic enamel quality. Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I16          SIZE:  2-3/8" w/ root   (1-3/4"crown)

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.

A very rare, LARGE, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent crown enamel. Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I08        SIZE:  3-1/8" w/ root  (1-3/8" crown) 

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.

A very rare, EXTRA LARGE, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I06        SIZE:  3-1/8" w/ root  (2-1/8" crown) 

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.