Search results for: 'colorado thi'

An excellent gorgeous Kosmoceras sp. ammonite from the Riazan region of Russia. Incredible pyrite replaced ammonites. Natural shell exterior is well preserved. Middle Jurassic age. No repair or restoration. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.

XR245        Size: 1-1/4"

Adding 23 pyritized Ammonites in November 2021.    Link to Pyritized ammonites.

An EXTRA LARGE, Top Quality Squalicorax kaupi tooth from Gove Co., Kansas. An excellent example of this Cretaceous shark. Tooth has a crack. Authenticity guaranteed. Maximum size.

KS261         SIZE: 1-1/8"

Note - Adding  new S. kaupi teeth in April 2020.   Link to Kansas S. Kaupi teeth

A Top Quality Ptychodus polygyrus, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park Fm. tooth. These massive teeth have a design with 8 to 9 fine transverse ridges extending across the cusp face and transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Perfect tooth. This is a rare species.

T265            SIZE: 3/8"

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

A Top Quality Ptychodus polygyrus, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park Fm. tooth. These massive teeth have a design with 8 to 9 fine transverse ridges extending across the cusp face and transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Perfect tooth. This is a rare species.

T264            SIZE: 7/16"

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

A Top Quality Ptychodus polygyrus, 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 8 to 9 fine transverse ridges extending across the cusp face and transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Perfect tooth. This is a rare species.

T263            SIZE: 5/8"

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

A Top Quality Ptychodus polygyrus, 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 8 to 9 fine transverse ridges extending across the cusp face and transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Perfect tooth. This is a rare species.

T262            SIZE: 13/16"

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

A Top Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These  teeth have a design that includes a high cusp with radiating occlusal ridges extending across the cusp face. Authenticity guaranteed. P. mortoni is a rare species in Texas, and when teeth get this large they are extremely rare!

T391            SIZE: 1-1/16"

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

A Top Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These  teeth have a design that includes a high cusp with radiating occlusal ridges extending across the cusp face. Authenticity guaranteed. P. mortoni is a rare species in Texas, and when teeth get this large they are extremely rare!

T390            SIZE: 1-1/16"

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

A Top Quality juvenile Great White shark tooth tooth with side cusps from Chile. The juvenile Great White sharks have side cusps which disappear as they mature. This tooth has a tan colored crown and a tan root. Fantastic color! Highest quality enamel with no hydration cracks and no peeling. Serrations are large with a great tip serration. Excellent preservation - note nutrient hole on root. An EXCELLENT collector's juvenile Great White tooth. No repair or restoration. Authenticity guaranteed. 

C210J         Size: 5/8"  

Note - Adding 10 Chilean juvenile Great White teeth in June 2023       Link to juenile Great White shark teeth

A Top Quality juvenile Great White shark tooth tooth with side cusps from Chile. The juvenile Great White sharks have side cusps which disappear as they mature. This tooth has a tan colored crown and a tan root. Fantastic color! Highest quality enamel with no hydration cracks and no peeling. Serrations are large with a great tip serration. Excellent preservation - note nutrient hole on root. An EXCELLENT collector's juvenile Great White tooth. No repair or restoration. Authenticity guaranteed. 

C209J         Size: 7/8"  

Note - Adding 10 Chilean juvenile Great White teeth in June 2023       Link to juenile Great White shark teeth

A Top Quality juvenile Great White shark tooth tooth with side cusps from Chile. The juvenile Great White sharks have side cusps which disappear as they mature. This tooth has a tan colored crown and a tan root. Fantastic color! Highest quality enamel with no hydration cracks and no peeling. Serrations are large with a great tip serration. Excellent preservation - note nutrient hole on root. An EXCELLENT collector's juvenile Great White tooth. No repair or restoration. Authenticity guaranteed. 

C208J         Size: 13/16"  

Note - Adding 10 Chilean juvenile Great White teeth in June 2023       Link to juenile Great White shark teeth

A Top Quality juvenile Great White shark tooth tooth with side cusps from Chile. The juvenile Great White sharks have side cusps which disappear as they mature. This tooth has a tan colored crown and a tan root. Fantastic color! Highest quality enamel with no hydration cracks and no peeling. Serrations are large with a great tip serration. Excellent preservation - note nutrient hole on root. An EXCELLENT collector's juvenile Great White tooth. No repair or restoration. Authenticity guaranteed. 

C207J         Size: 1"  

Note - Adding 10 Chilean juvenile Great White teeth in June 2023       Link to juenile Great White shark teeth