Search results for: 'base guid white blue'

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.

A LARGE, TOP QUALITY Nanotyrannus lancensis  tooth from the western US. This tooth measures 1-13/16" (straight line). The enamel is excellent quality. The posterior serrations are excellent. There is a small repair at the posterior base. No restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. Authenticity guaranteed.  An excellent collector's Nano tooth. Note - a Riker display case is included.

DN08        SIZE: 1-13/16"

Note - Adding 19 Nanotyrannus teeth in November 2025  ->  Link to Nano Teeth

An Ultra Rare, LARGE Top Quality Sharktooth Hill Megalodon tooth found in the Round Mountain silt near Bakersfield, California. A location that produces very few Megalodon teeth and one of the toughest Meg teeth to locate. This "Bakersfield white" tooth was found in Ernst "whale quarry". Highest quality enamel with a great light tan color. The bourlette is a white color and mostly dentin layer. The serrations are extra large and 100% complete with a great tip. The root is nicely articulated and complete. Also note the grooves on the root ends - a Miocene trait. Note - This is a middle Miocene Meg has tip repair. You will not see large middle Miocene Sharktooth Hill Megs from Bakersfield, California very often. One of the rarest Megs! Authenticity guaranteed. An incredible rare "white" Meg collector's tooth!   A custom display stand is included.

ST452         Size: 5-5/8"  (4-1/8" wide)

Note - Adding two Sharktooth Hill Meg teeth in October 2025.    Link to Sharktooth Hill Meg Teeth.

A GEM Lee Creek Carcharocles chubutensis, the C. megalodon tooth predecessor - upper jaw Principal Anterior tooth. It has an incredible tan colored crown with an exceptional tan bourlette. An exceptional collector's tooth. NO repair! The PERFECT Lee Creek Chubutensis! The BEST of the BEST!

LC041             Size: 3-3/16" (2-3/4" W)

A GEM Lee Creek Carcharocles chubutensis, the C. megalodon tooth predecessor - upper jaw Principal Anterior tooth. The serrations are extra large and razor sharp and perfect with a rare DOUBLE TIP serrations. You rarely see this "V" tip design! The perfect Lee Creek Chubutensis. An exceptional collector's tooth. NO repair! The BEST of the BEST!

LC043        Size: 3-1/4" (2-1/2" W)