Search results for: 'biblioteca national du01 peru deposit local'

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. An incredible brown colored specimen - very unusual. 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. 

I10        SIZE:  3-1/2" w/ root  (1-5/8" 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 unique brown colored tooth - very unusual.. 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. 

I07        SIZE:  3-3/8" w/ root  (1-5/8" 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 LARGE, ultra rare, Top Quality Hexanchus tusbairicus, Six-gill Cow shark, tooth from Kert, Kazakhstan. This  lower jaw  tooth has ten primary cusps. An Eocene (Bartonian), Shorym Fm. Cow shark species. The Kazakh Hexanchus tusbairicus teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. A near Perfect tooth. Old collection material. The Hexanchus teeth from Kazakhstan shark teeth were never commercially available!

K461          SIZE: 11/16"

Note - Adding 18 Rare Kazakh Hexanchus & Heptranchias  teeth in June 2023.    Kazakhstan Hexanchus teeth Catalog

An ultra rare, Top Quality Hexanchus tusbairicus, Six-gill Cow shark, tooth from Kert, Kazakhstan. This lower jaw tooth has ten primary cusps. An Eocene (Bartonian), Shorym Fm. Cow shark species. The Kazakh Hexanchus tusbairicus teeth are quite rare and excellent examples are hard to locate. Authenticity guaranteed. Note - root has been reattached. Old collection material. The Hexanchus teeth from Kazakhstan shark teeth were never commercially available!

K462          SIZE: 9/16"

Note - Adding 18 Rare Kazakh Hexanchus & Heptranchias  teeth in June 2023.    Kazakhstan Hexanchus teeth Catalog

An ultra rare Large, Top Quality Hexanchus casieri , Six-gill Cow shark, tooth from Uzunbas, Kazakhstan. This lower jaw tooth has ten primary cusps. An Eocene (Priabonian), Adaj Fm. Cow shark species. The Kazakh Hexanchus casieri  teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. Perfect tooth. Old collection material. The Hexanchus teeth from Kazakhstan shark teeth were never commercially available!

K463          SIZE: 9/16"

Note - Adding 18 Rare Kazakh Hexanchus & Heptranchias  teeth in June 2023.    Kazakhstan Hexanchus teeth Catalog

An ultra rare, Top Quality Hexanchus casieri, Six-gill Cow shark, tooth from Uzunbas, Kazakhstan. This upper jaw tooth has 4 primary cusps. An Eocene (Priabonian), Adaj Fm. Cow shark species. The Kazakh Hexanchus casieri  teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. Near perfect tooth. Old collection material. The Hexanchus teeth from Kazakhstan shark teeth were never commercially available!

K464          SIZE: 3/8"

Note - Adding 18 Rare Kazakh Hexanchus & Heptranchias  teeth in June 2023.    Kazakhstan Hexanchus teeth Catalog

An EXTRA LARGE, ultra rare Top Quality Hexanchus casieri, Six-gill Cow shark, tooth from Zheltaur, Kazakhstan. This lower jaw tooth has 10 primary cusps. An Eocene (Priabonian), Adaj Fm. Cow shark species. The Kazakh Hexanchus casieri  teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. Perfect tooth. Old collection material. The Hexanchus teeth from Kazakhstan shark teeth were never commercially available!

K465          SIZE: 5/8"

Note - Adding 18 Rare Kazakh Hexanchus & Heptranchias  teeth in June 2023.    Kazakhstan Hexanchus teeth Catalog

A LARGE, ultra rare Top Quality Hexanchus hookeri, Six-gill Cow shark, tooth from Aktulagay, Kazakhstan. This lower jaw tooth has 8 primary cusps. An Early Eocene (Ypresian), TolagaysorFm. Cow shark species. The Kazakh Hexanchus hookeri  teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. Near perfect tooth. Old collection material. The Hexanchus teeth from Kazakhstan shark teeth were never commercially available!

K466          SIZE: 5/8"

Note - Adding 18 Rare Kazakh Hexanchus & Heptranchias  teeth in June 2023.    Kazakhstan Hexanchus teeth Catalog

An ultra rare, Top Quality Hexanchus hookeri, Six-gill Cow shark, tooth from Aktulagay, Kazakhstan. This lower jaw tooth has 7 primary cusps. An Early Eocene (Ypresian), Tolagaysor Fm. Cow shark species. The Kazakh Hexanchus hookeri  teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. Near perfect tooth. Old collection material. The Hexanchus teeth from Kazakhstan shark teeth were never commercially available!

K467          SIZE: 7/16"

Note - Adding 18 Rare Kazakh Hexanchus & Heptranchias  teeth in June 2023.    Kazakhstan Hexanchus teeth Catalog

An ultra rare, Top Quality Hexanchus hookeri, Six-gill Cow shark, tooth from Aktulagay, Kazakhstan. This lower jaw tooth has 6 primary cusps. An Early Eocene (Ypresian), Tolagaysor Fm. Cow shark species. The Kazakh Hexanchus hookeri  teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. Near perfect tooth. Old collection material. The Hexanchus teeth from Kazakhstan shark teeth were never commercially available!

K468          SIZE: 3/8"

Note - Adding 18 Rare Kazakh Hexanchus & Heptranchias  teeth in June 2023.    Kazakhstan Hexanchus teeth Catalog