Search results for: 'speci guid 2021'

The Kolbay Collection. A LARGE, Top Quality Hispidaspis lasuri tooth from Kolbay, W. Kazakhstan. An anterior 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. Only one specimen.

K1432        SIZE: 1-9/16"

The Kolbay Collection. A LARGE, Top Quality Hispidaspis lasuri tooth from Kolbay, W. Kazakhstan. An anterior 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. Only one specimen.

K1431        SIZE: 1-11/16"

A Top Quality, Mioplosus  fish from the 18 inch layer. The Mioplosus labracoides is an extinct Perch-like fish from the Eocene age (50 MYA), Green River Fm., Lincoln Co. Wyoming.  A scarce species. This piece is from the 18 Inch Layer which is extremely hard and difficult to prepare. It also provides the most detailed, highly preserved fossils. Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. A wonderful display piece!   

X495           SIZE: 4-7/8"     

Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish

A Top Quality, Mioplosus  fish from the 18 inch layer. The Mioplosus labracoides is an extinct Perch-like fish from the Eocene age (50 MYA), Green River Fm., Lincoln Co. Wyoming. A scarce species. This piece is from the 18 Inch Layer which is extremely hard and difficult to prepare. It also provides the most detailed, highly preserved fossils. Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. A wonderful display piece! Incredible detail!   

X494           SIZE: 5-1/2"     

Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish

A rare, rooted Top Quality Prognathodon anceps tooth from the phosphate mining region, Khouribga, Morocco. P. anceps is one of the largest mosasaur species known with huge nearly round teeth used for crushing prey.  Exceptional condition and preservation. Note - this large Moroccan Mosasaur was renamed to a Prognathodon genus. No repair or restoration. A massive Mosasaur tooth from the hero of Jurassic World! Authenticity guaranteed. This is an excellent specimen. 

M1053        SIZE: 3-7/8"    (1-3/8" wide) 

Note - Adding 6 new Mosasaur teeth in November 2024. -->  Link to Mosasaur teeth.

A natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell has some iridescence. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits in an original Pierre Shale nodule with a flat base for a great display. The end is filled with calcite crystals! This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD07        Size: 1-5/8"

Note - Adding 6 So. Dakota ammonites in August 2025.  -->  Link to So. Dakota Ammonites

Two natural Hoploscaphites nebrascensis ammonites with excellent preservation of the shell material. The ammonites are fully exposed and their shells exhibit some natural iridescence. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits in an original Pierre Shale nodule with a flat base for a great display. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD04        Size: 1-3/4"

Note - Adding 6 So. Dakota ammonites in August 2025.  -->  Link to So. Dakota Ammonites

A Top Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. A symphyseal tooth. 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!  Near Perfect tooth.

T392            SIZE: 3/8"

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. A symphyseal tooth from the front rows. 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!  

T3891            SIZE: 3/4"

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

A LARGE, 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!  Near Pefect tooth.

T379            SIZE: 1-3/16"

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

A LARGE, 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!  Near Pefect tooth.

T378            SIZE: 1-1/4"

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

A LARGE, 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!  Near Pefect tooth.

T375            SIZE: 1-1/4"

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