Search results for: 'blue bases taxable river'

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 Extra Large, high quality Great White tooth from Peru with incredible blue color and a brown root. Large serrations. A fantastic tooth. Authenticity guaranteed. Tooth on left side.

P1-1 (Left)                 SIZE: 1-7/8"

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)

An Extra Large, Quality Megalodon tooth - an upper jaw anterior tooth from So. Carolina. High quality enamel. The black bourlette bourlette is complete. Serrations are sharp including a good tip serration. Interesting cutting edge waves at the base of the crown. Excellent serrations for a BIG Meg.The root is black and extra wide (4-1/4" W) with typical hydration cracks. No repair or restoration. Authenticity guaranteed.  An excellent collector's quality BIG Megalodon tooth.  Great color and eye appeal!

SC104        Size: 5-7/16"  (4-1/4" W)