Search results for: 'rare shell four teeth gill site 6 7'

A Top Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These  teeth have a design that includes a high cusp with radiating occlusal ridges extending across the cusp face. Authenticity guaranteed. P. mortoni is a rare species in Texas, and when teeth get this large they are extremely rare!

T391            SIZE: 1-1/16"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

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

A Top Quality Chilean Hexanchus griseus tooth from the Caldera Basin of Chile. This is an upper jaw lateral tooth with five cusps. Excellent preservation and fantastic color. A Blue site tooth. Perfect cusps. A scarce collector's tooth. Authenticity guaranteed. Unfortunately there are no more teeth coming from this site. This rare piece is from an old collection!      

C405U          Size: 13/16"  W  

Note - Adding 22 new Chilean Hexanchus teeth in May 2021 ->  Link to Hexanchus Teeth 

A Top Quality Ptychodus decurrens, an extinct durophagous (shell-crushing) shark, tooth from McLennan Co., Texas. An excellent example of this Upper Cretaceous Lake Waco Fm. tooth. These massive teeth have a design with transverse ridges extending across the cusp face and the margins. Authenticity guaranteed. Perfect tooth. A rare species.

T101            SIZE: 9/16"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

An ultra rare Top Quality, lower jaw symphyseal (center) Notorhychus sp., Seven-gill Cow shark, tooth from Katchar, Kazakhstan. An unusual undescribed Eocene (Priabonian) Cow shark species. Kazakh N. species teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. A Perfect tooth. One of the finest localities for Eocene age shark teeth!

K451           SIZE: 1/2"

Note - Adding 30 Kazakh Notorhynchus teeth in April 2022.    Kazakhstan Notorhynchus Catalog

An ultra rare Top Quality, lower jaw Notorynchus kempi, Seven-gill Cow shark, tooth from Kent, Kazakhstan. This tooth has six primary cusps. An Eocene (Bartonian) Cow shark species. Kazakh N. kempi teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. A Perfect tooth. One of the finest localities for Eocene age shark teeth! 

K433          SIZE: 13/16"

Note - Adding 30 Kazakh Notorhynchus teeth in April 2022.    Kazakhstan Notorhynchus Catalog

An ultra rare Top Quality, lower jaw Notorynchus kempi, Seven-gill Cow shark, tooth from Kent, Kazakhstan. This tooth has six primary cusps. An Eocene (Bartonian) Cow shark species. Kazakh N. kempi teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. A near Perfect tooth. One of the finest localities for Eocene age shark teeth!  

K424          SIZE: 1"

Note - Adding 30 Kazakh Notorhynchus teeth in April 2022.    Kazakhstan Notorhynchus Catalog

An ultra rare Top Quality, lower jaw Notorynchus kempi, Seven-gill Cow shark, tooth from Kent, Kazakhstan. This tooth has six primary cusps. An Eocene (Bartonian) Cow shark species. Kazakh N. kempi teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. A near Perfect tooth. One of the finest localities for Eocene age shark teeth!  

K422          SIZE: 1"

Note - Adding 30 Kazakh Notorhynchus teeth in April 2022.    Kazakhstan Notorhynchus Catalog

An ultra rare Top Quality, lower jaw Notorynchus kempi, Seven-gill Cow shark, tooth from Kent, Kazakhstan. This tooth has six primary cusps. An Eocene (Bartonian) Cow shark species. Kazakh N. kempi teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. A Perfect tooth. One of the finest localities for Eocene age shark teeth!  

K421          SIZE: 1"

Note - Adding 30 Kazakh Notorhynchus teeth in April 2022.    Kazakhstan Notorhynchus Catalog

A rare, LARGE Trichiurides sagittidens tooth from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A very unique collector's tooth. D147 is the high quality tooth on the left. Authenticity guaranteed.

D147 (Left)       SIZE: 7/16"

Note - 12 new Sumatran Trichiurides sagittidens teeth added in January 2018.     Link to Sumatran teeth.

An excellent pair of Negaprion brevirotris teeth. Upper jaw teeth.

F807 (Left)           SIZE: 7/8"

A Top Quality Carcharias vorax, a Sand shark tooth from the "De Kuilen" sand pit, Mill, The Netherlands. This tooth has excellent color and preservation. Sharp cutting edge and tip. The age is late Miocene (approx. 6-8 million years ago). This species is related to Carcharias cuspidata. An excellent collector's tooth. Authenticity guaranteed.

N335       SIZE: 7/8"