Search results for: 'none and grows gem shows'

A very rare, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I20          SIZE:  1" crown

Adding 22 Edestus shark specimens in July 2025.    Link to Edestus shark.

A very rare, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I19          SIZE:  1-3/16" crown

Adding 22 Edestus shark specimens in July 2025.    Link to Edestus shark.

A very rare, LARGE, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I13          SIZE:  1-1/4"crown

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.

A very rare, LARGE, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I12          SIZE:  1-1/2"crown

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.

A GEM Seven-Gill Cow shark (Notorhynchus) - Lower Jaw Symphyseal (very rare position) fossil shark tooth from Belgium. A female shark. The best that you will find. Miocene age from the Antwerp Sand. Gorgeous tooth for the rare tooth collector! Essentially perfect tooth. Authenticity guaranteed. The BEST of the BEST!

B526             Size: 1/2" W

A GEM Cookie-Cutter shark (Isistius brasiliensis), a rare and exotic fossil shark tooth from the Hawthorne Fm., Big Slough, Florida. Rare deep water shark with knife-like crown edges - extra large size. The best that you will find. Miocene age. For the rare tooth collector! The BEST of the BEST!

F501           Size: 1/4"

 Peripristis semicircularis ; an  Extinct Petalodont sharkA very rare, well preserved GEM posterior tooth. A complete tooth - crown & root - extremely rare! Beautifully articulated. Matrix free - incredibly rare. An exceptional collector's piece from an old collection!  The best available!   Reverse Photo.
Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)
Location: Louisville, Cass Co., Nebraska

Z149     SIZE: 5/16"

An EXTRA LARGE, GEM  Mosasaurus (Prognathodon ) anceps tooth from the Cretaceous of Morocco. Exceptional condition and preservation. No repair or restoration. A massive Mosasaur tooth from the hero of Jurassic World!  Note - the large Moroccan Mosasaurs are being renamed to a Prognathodon genus. Authenticity guaranteed.

M1056             SIZE: 2-1/8"  (1-1/2" W)

An EXTRA LARGE, GEM  Mosasaurus (Prognathodon ) anceps tooth from the Cretaceous of Morocco. Exceptional condition and preservation. No repair or restoration. A massive Mosasaur tooth from the hero of Jurassic World!  Note - the large Moroccan Mosasaurs are being renamed to a Prognathodon genus. Authenticity guaranteed.

M1058              SIZE: 2-1/4"   (1-7/16" W)

A GEM Notidanodon upper jaw lateral tooth. A fantastic cow shark tooth from the Paleocene period. Found in the phosphate mines of Khouribgha, Morocco. Note - this is an unusual position tooth that you do not see often! A super collector's tooth! Incredible color and luster. No repair! Perfect tooth! Authenticity guaranteed.   

M649       SIZE: 13/16"

An exceptional pathologic Otodus obliquus tooth from the Khouribga phosphate mining area of Morocco. This pathologic tooth exhibits unusual root depressions across the face of the root and has both side cusps coming out of the front of the root. Very strange! A very difficult pathology to locate. Complete tooth. No Repair! Authenticity guaranteed. A fantastic, rare collector's tooth.

M022 BoP      SIZE: 1-3/4"+

Note - 20 new Otodus teeth added in January 2019.     Otodus Catalog Link

A LARGE, GORGEOUS Otodus obliquus tooth from the Khouribga phosphate mining area of Morocco. Lateral tooth. This tooth has an excellent golden tan color and a white root. Knife-like edges and tip! A massive, thick root. Note - the side cusps appear to have serrations. No repair or restoration. Great color! One of the earliest ancestors of the Megalodon. An excellent collector's quality tooth. Authenticity guaranteed.

M011          SIZE: 2-15/16"

Note - Adding 16 new Otodus teeth added in December 2019.  ->   Otodus Catalog Link