Search results for: 'guid species like'

A 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. Perfect tooth. This is a rare species.

T273            SIZE: 11/16

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

A 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. Perfect tooth. This is a rare species.

T272            SIZE: 13/16

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

An EXTRA LARGE, Galeocerdo cuvier, the Tiger shark, tooth from Baja, Mexico. High quality enamel. An excellent tan colored crown and root. Great color! Sharp serrations. Great eye appeal. A BIG Baja collector's Tiger shark tooth. No repair or restoration. This is a Pliocene tooth from Gloria Fm.  Authenticity guaranteed. A Tiger shark tooth from a rare locality!

MX211       SIZE: 1-5/16"  

Posting 19 species (68 rare shark teeth) from Baja, Mexico.   Link to Mexican shark teeth -> Mexico shark teeth

A Quality Galeocerdo cuvier, the Tiger shark, tooth from Baja, Mexico. Good quality enamel. A nice tan & white colored crown and root. Great color! Sharp serrations. Great eye appeal. A Baja collector's Tiger shark tooth. No repair or restoration. This tooth was found in the Gloria Fm. - Pliocene (2.2 MYA).  Authenticity guaranteed. A Tiger shark tooth from a rare locality!

MX213       SIZE: 13/16"  

Posting 19 species (68 rare shark teeth) from Baja, Mexico.   Link to Mexican shark teeth -> Mexico shark teeth

A Top Quality Isurus oxyrinchus, the Shortfin Mako, an anterior tooth from Baja, Mexico. Highest quality enamel. Excellent brown color with a white root. The root shows incredible detail. Absolutely great preservation and condition - extra sharp edges and tip. This is a Pliocene age tooth from the Gloria Fm. Authenticity guaranteed. A fantastic collector's tooth from a rare locality.  

MX221        Size: 1-5/16"

Posting 19 species (68 rare shark teeth) from Baja, Mexico.   Link to Mexican shark teeth -> Mexico shark teeth

The Kolbay Collection. A Top Quality Hispidaspis lasuri tooth from Kolbay, W. Kazakhstan. A lateral tooth. Note - This species is known for their multiple, highly irregular side cusps which can cover the entire root shoulder and the base of the crown. Very strange! Great color and condition. An excellent Middle Cretaceous (U. Albian - 102 MYA) age tooth. No repair or restoration. Authenticity guaranteed. You will enjoy the quality of the Kazakh teeth. A special piece from an old collection. 

K1438        SIZE: 11/16"

An extra large, nicely prepared Hollardops sp. trilobite. Preparation is German directed with all original colors and no restoration. Excellent preservation and condition. Nice detail in the compound eyes. A Middle Devonian (380 mya) from the Djebel Issoumour area, Atlas Mts., Morocco. A large, high quality specimen. Authenticity guaranteed. Notye - This is the Hollardops species with narrow pointy spines on the tail.

XM36      Size: 2-3/8" (1-1/2" wide)

Adding 31 quality Moroccan trilobites in April 2025.     Link to Moroccan trilobites.

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!

T395            SIZE: 13/16"

Adding 24 Ptychodus mortoni teeth in August 2025.   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!  

T393            SIZE: 7/8"

Adding 24 Ptychodus mortoni teeth in August 2025.   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!  

T388            SIZE: 7/8"

Adding 24 Ptychodus mortoni teeth in August 2025.   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!  

T387            SIZE: 15/16"

Adding 24 Ptychodus mortoni teeth in August 2025.   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!  

T386            SIZE: 15/16"

Adding 24 Ptychodus mortoni teeth in August 2025.   Link to Texas shark teeth