Search results for: 'crown mako wide guid'

A LARGE, ultra rare, Top Quality Hexanchus collinsonae , Six-gill Cow shark, tooth from Aktulagay, Kazakhstan. This lower jaw tooth has 8 primary cusps. An Early Eocene (Ypresian), Tolagaysor Fm. Cow shark species. The Kazakh Hexanchus collinsonae 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!

K469          SIZE: 1/2"+

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

An ultra rare, Top Quality Hexanchus collinsonae , Six-gill Cow shark, tooth from Aktulagay, Kazakhstan. This lower jaw tooth has 8 primary cusps. An Early Eocene (Ypresian), Tolagaysor Fm. Cow shark species. The Kazakh Hexanchus collinsonae 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!

K470          SIZE: 3/8"

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

An ultra rare, Top Quality Hexanchus collinsonae , Six-gill Cow shark, tooth from Aktulagay, Kazakhstan. This lower jaw tooth has 8 primary cusps. An Early Eocene (Ypresian), Tolagaysor Fm. Cow shark species. The Kazakh Hexanchus collinsonae 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!

K471          SIZE: 5/16"

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

An ultra rare, Top Quality Hexanchus agassizi , Six-gill Cow shark, tooth from Aktulagay, Kazakhstan. This lower jaw tooth has 9 primary cusps. An Early Eocene (Ypresian), Tolagaysor Fm. Cow shark species. The Kazakh Hexanchus agassizi  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!

K472          SIZE: 3/8"

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

An ultra rare, Top Quality Hexanchus agassizi , Six-gill Cow shark, tooth from Aktulagay, Kazakhstan. This lower jaw tooth has 9 primary cusps. An Early Eocene (Ypresian), Tolagaysor Fm. Cow shark species. The Kazakh Hexanchus agassizi  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!

K473          SIZE: 5/16"

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

An ultra rare, Top Quality Hexanchus agassizi , Six-gill Cow shark, tooth from Aktulagay, Kazakhstan. This lower jaw tooth has 8 primary cusps. An Early Eocene (Ypresian), Tolagaysor Fm. Cow shark species. The Kazakh Hexanchus agassizi  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!

K474          SIZE: 1/4"

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

An ultra rare, Top Quality Heptranchias karagalensis, Sharpnose Sevengill shark tooth from Usak, Kazakhstan. A June Fossil of the Month. This lower jaw tooth has 8 primary cusps. An Eocene (Priabonsian), Adaj Fm. Cow shark species. The Kazakh Heptranchias karagalensis teeth are extremely rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. Near perfect tooth. Old collection material. The Heptranchias teeth from Kazakhstan shark teeth were never commercially available!

K475          SIZE: 11/16"

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

An ultra rare, Top Quality Heptranchias karagalensis, Sharpnose Sevengill shark tooth from Usak, Kazakhstan. This upper jaw  parasymphyseal tooth has 1 primary cusps. An Eocene (Priabonsian), Adaj Fm. Cow shark species. The Kazakh Heptranchias karagalensis teeth are extremely rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. Perfect tooth. Old collection material. The Heptranchias teeth from Kazakhstan shark teeth were never commercially available!

K476          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 Heptranchias karagalensis, Sharpnose Sevengill shark tooth from Karagaly Hill, Kazakhstan. This upper jaw  parasymphyseal tooth has 1 primary cusps. An Eocene (Bartonian), Shorym Fm. Cow shark species. The Kazakh Heptranchias karagalensis teeth are extremely rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. Perfect tooth. Old collection material. The Heptranchias teeth from Kazakhstan shark teeth were never commercially available! Note - this specimen is pictured in  the Ekaterinburg 99 techinical journal (Plate 33).

K477          SIZE: 1/2"

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

An ultra rare, Top Quality Heptranchias karagalensis, Sharpnose Sevengill shark tooth from Sary-Niaz, Kazakhstan. This upper jaw tooth has 2 cusps. An Eocene (Bartonian), Shorym Fm. Cow shark species. The Kazakh Heptranchias karagalensis teeth are extremely rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. Perfect tooth. Old collection material. The Heptranchias teeth from Kazakhstan shark teeth were never commercially available! 

K478          SIZE: 3/8"

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

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.