Search results for: 'diet peru mancina copiadora de like jma noted'

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. 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. 

I06        SIZE:  3-1/8" w/ root  (2-1/8" crown) 

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

An exceptionally large Jurassic Cylindroteuthis Belemnite from the Rizan Region, Russia. The brown translucent shell shows exceptional preservation with a polished surface. These Belemnites are incredibly large and massive! From the Kelovey Fm., Middle Jurassiv (170 MYA).  My largest specimen. Authenticity guaranteed.

Name: Cylindroteuthis oweni        Age: Middle Jurassic        Location: Rizan region, Russia

X091           Size: 8-1/4"   (13/16" W)

Link to Belemnites

A GEM, 6-3/16" ULTRA RARE Caribbean Megalodon tooth - an upper jaw PRINCIPAL ANTERIOR tooth. Our January 2019 Fossil of the Month offering. This Megalodon tooth has an incredible light creamy tan colored crown with interesting light charcoal gray patterning. Highest quality enamel with no hydration cracks. Exceptional color! The bourlette is large and perfect. The serrations are razor sharp including the big tip serration. Excellent serrations for a big Meg! The root is an excellent creamy tan color with no hydration cracks. An extra wide root (4-7/8" wide). Great symmetry. Note - the serrations on the right side of the tooth were damaged and professionlly restored. The damaged area was restricted to the edge only. You can see the charcoal gray patterning patterning extending to the edge of the enamel. Otherwise, a perfect tooth. This Megalodon was found in a limestone quarry in the Caribbean (Miocene age). This is an incredible, massive 6-3/16" Caribbean Meg tooth. One of finest examples of an ultra rare Caribbean Megalodon tooth that I have seen considering the shape, color, and preservation. An exceptional collector's XL Megalodon tooth! Museum Quality Megalodon. Note - The limestone is sawed into thin blocks for extraction which totally destroys 99%+ of these Megalodon teeth. Best of the BEST!

CA04  BoP     SIZE: 6-3/16"   (4-7/8" W)

An incredible sliced and polished Cleoniceras ammonite showing the intricate internal chamber structure with crystal lined pockets. A gorgeous Cretaceous ammonite from Madagascar. The exterior is natural with a hint of red flash. Authenticity guaranteed. A great gift item.   

X213       Size: 5-1/4"

Note - Adding 20 Madagascar ammonites in April 2023  -->   Link to Madagascar ammonites

An incredible sliced and polished Cleoniceras ammonite showing the intricate internal chamber structure with crystal lined pockets. A gorgeous Cretaceous ammonite from Madagascar. The exterior is natural with a hint of red flash. Authenticity guaranteed. A great gift item.     

X217       Size: 4-1/8"

Note - Adding 17 Madagascar ammonites in November 2024  -->   Link to Madagascar ammonites

An incredible whole polished Douvilleiceras ammonite showing the intricate external shell suture structure. Gorgeous Cretaceous ammonites from Madagascar. Douvilleiceras  has large external ribs and is quite wide or thick.   Authenticity guaranteed. A very showy specimen!      

X244        Size: 3-1/8"  (1-3/4" wide)

Note - Adding 12 Madagascar ammonites in December 2024  -->   Link to Madagascar ammonites

An incredible whole polished Douvilleiceras ammonite showing the intricate external shell suture structure. Gorgeous Cretaceous ammonites from Madagascar. Douvilleiceras  has large external ribs and is quite wide or thick.   Authenticity guaranteed. A very showy specimen!      

X242        Size: 3-1/2"  (1-3/4" wide)

Note - Adding 12 Madagascar ammonites in December 2024  -->   Link to Madagascar ammonites

An incredible whole polished Douvilleiceras ammonite showing the intricate external shell suture structure. Gorgeous Cretaceous ammonites from Madagascar. Douvilleiceras  has large external ribs and is quite wide or thick.   Authenticity guaranteed. A very showy specimen!      

X241        Size: 3-5/8"  (1-7/8" wide)

Note - Adding 12 Madagascar ammonites in December 2024  -->   Link to Madagascar ammonites

An incredible whole polished Douvilleiceras ammonite showing the intricate external shell suture structure. Gorgeous Cretaceous ammonites from Madagascar. Douvilleiceras  has large external ribs and is very wide or thick.   Authenticity guaranteed. A very showy specimen!      

X243        Size: 3-3/8"  (1-3/4" wide)

Note - Adding 15 Madagascar ammonites in December 2025  -->   Link to Madagascar ammonites

An incredible sliced and polished Cleoniceras ammonite showing the intricate internal chamber structure with crystal lined pockets. Large crystal lined pockets. A gorgeous Cretaceous ammonite from Madagascar. The slightly polished exterior has a hint of "red flash". Authenticity guaranteed. A great gift item.     

X212       Size: 6"

Note - Adding 15 Madagascar ammonites in December 2025  -->   Link to Madagascar ammonites

A GEM Hexanchus, ultra rare lower jaw symphyseal tooth - female shark. Excellent brown and tan colors - best preservation.  All cusps are complete and not damaged. Complete root. Essentially matrix free. No repair. An incredible collector's Chilean Hexanchus tooth. Museum Quality. Very Rare. Best of the BEST!                    

C402L                    SIZE:  3/4" W