Search results for: 'crown mako with guid'

A rare, strange Top Quality Pathologic Carcharodon hastalis, Broad-tooth Mako, shark tooth - upper jaw anterior tooth from the Bahia Iglesa Fm. of Chile. The left root lobe folded behind the tooth and smashed into the back of the root. The crown has multiple waves. Excellent color and preservation. Complete tooth. Top quality. Authenticity guaranteed. A strange pathologic tooth. You don't this pathology often!  

C316P           Size: 1-3/4"

A very rare, early Macrorhizodus nolfi upper jaw, anterior tooth from Aktulagay, western Kazakhstan. Macrorhizodus nolfi is a Lamnidae shark and an early Mako shark (Isurus praecursor) relative in this early Eocene deposit. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene Macrorhizodus nolfi tooth. No repair. Authenticity guaranteed. 

K571         SIZE: 1-3/8"

Note - Adding 18 Kazakh Auriculatus or transition teeth in April 2020. -->  Link to Kazakh Auriculatus teeth.

An ultra rare, LARGE, Top Quality Edestus heinrichi partial tooth whorl, from Herrin, Illinois. A July Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. An ultra rare triple crown whorl section with exceptional quality crowns. 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. 

I03        SIZE:  6-5/8" w/ root  (1-7/8" crown) 

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

Nice golden crown with a white root.

ST895                 SIZE: 1/2"

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 crown enamel. 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. 

I08        SIZE:  3-1/8" w/ root  (1-3/8" crown) 

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

A very rare, EXTRA 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. An extra large crown and root section. 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. 

I05        SIZE:  5" w/ root  (2-5/8" 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. A rare double crown section with lots of pyrite. 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. 

I04        SIZE:  3" w/ root  (1-7/8" crown) 

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

A VERY NICE, ULTRA RARE Somniosus microcephalus tooth. The crown is complete with some root missing. One of the toughest Miocene-Pliocene shark teeth to locate! A very rare collector's tooth! Miocene. Antwerp Sand, Antwerp, Belgium

B512             Size: 7/16"

An ultra rare, Top Quality Edestus heinrichi associted pair of whorls, from Herrin, Illinois. A July Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. An ultra rare assoiiated pair of tooth whorls. Note - the crown tips are naturally rounded (polished)  which thought to be due to wear from the vertical whipping motion used to slice prey. 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. This is the first associated whorl pait that I have seen.

I02        SIZE:  5" & 4-3/4" w/ root  (1-1/4"+ crowns) 

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

A Top Quality, Extra Large Sperm whale tooth, Scaldicetus sp., from the ACE river basin, So. Carolina. A Miocene age whale tooth. This tooth has a wonderful spiked enamel crown and a large, nearly complete round root. The tip of the crown has a small natural wear facet - quite common for these teeth. This tooth shows excellent detail - very well preserved. The root is extra wide and nicely articulated. A very well preserved specimen with no river wear! An excellent BIG Sperm whale tooth. You do not see many Sperm whale teeth in Top Quality condition. Authenticity guaranteed.

SC1225            Size: 5-1/16" (1-3/4" W)

A very rare, TOP QUALITY Hainosaurus tooth, a Tylosaur mosasaur, from the Cretaceous of Khouribga, Morocco. This mosasaur is a recent discovery and genus naming. The teeth appear to be quite rare. Note - the well defined posterior hook at the top of the crown - a Hainosaurus characteristic. This specimen has a wear facet on the anterior edge of the crown and it has been cracked. This is the most difficult of the Mosasaur species to find. An excellent collector's Mosasaur tooth. Authenticity guaranteed. 

M1060           SIZE: 1-3/4"   (1" Wide)

Note - Adding 35 new Mosasaur teeth in November 2023.   -->   Link to Mosasaur teeth.

A rare, top quality Carcharoides totuserratus from Chubut Province, Argentina. This is the rare serrated Carcharoides tooth from the early Miocene. A Lamnid shark. A lower jaw tooth. The crown is very finely serrated. Killer serrations! Exceptional color & preservation. Authenticity guaranteed. A rare collectors tooth.

A011           Size: 9/16"

Note - Adding 11 Carcharoides totuserratus teeth in June 2023.  Link to Carcharoides totuserratus teeth.