Search results for: 'base guid with blue'

An EXTRA LARGE, Top Quality Protolamna sokolovi, an extinct Mackerel shark, tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark still in the matrix. These teeth have a unique design with a high root face, broad side cusps, and strong vertical ridges along the crown base. This is an anterior tooth with perfect side cusps. Authenticity guaranteed. Perfect tooth.

T241            SIZE: 1-1/8"

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.

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 natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell has 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.  

SD02        Size: 2-1/8"

Note - Adding 10 So. Dakota ammonites in December 2020.  -->  Link to So. Dakota Ammonites

An EXTRA LARGE, TOP QUALITY Spinosaurus aegyptiacus tooth from the Kem Kem region of Morocco. A rare  rooted tooth! Highest quality enamel with well preserved and pronounced grooves running up the crown. Excellent dark red color. Extra wide base (1-7/16"). One crack. Some tip wear - a very good tip. Some root crack fill. An excellent quality, BIG collector's Spinosaurus tooth!  Authenticity guaranteed.

M1231       Size: 4-7/8"    (1-7/16")

Note - Adding 15 new Spinosaurus teeth added in April 2024.     Link to Spinosaurus 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. Only one specimen.

K1437        SIZE: 15/16"

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. Only one specimen.

K1436        SIZE: 1-1/16"

The Kolbay Collection. A 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.

K1435        SIZE: 1-3/8"

The Kolbay Collection. A 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.

K1434        SIZE: 1-7/16"

A LARGE, Top Quality Crotalocephalina gibbus trilobite from Morocco. The preparation is German with all original colors and no restoration. Great natural greenish black shell with excellent luster. The specimen is fully exposed including the base on the cephalon and very nicely displayed. A Lower Devonian (Hamar Laghdada Fm. - 395 mya) trilobite from the Atchana area, Atlas Mts., Morocco. Authenticity guaranteed.  

XM74          Size: 2-1/4" ; 2-7/8" curve  (1-1/4" wide)

Adding 9 top quality Moroccan trilobites in November 2025.     Link to Moroccan trilobites.