Search results for: 'group o guid upper age'

A natural Hoploscaphites brevis ammonite with great preservation of the shell material. The ammonite shell exhibits excellent natural iridescence. This specimen is sits in an original Pierre Shale with a flat base for a great display. The base is a large baculite segment. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.

SD10        Size: 1-1/16"

Note - Adding 6 So. Dakota ammonites in August 2025.  -->  Link to So. Dakota Ammonites

A Top Quality Physogaleus latus tooth, an extinct Gray shark, from the Mainz Basin, Germany. A lower jaw tooth. An early Oligocene age tooth (Rupelian - 32 MYA). An excellent tooth for the rare tooth collector! No repair or restoration. Perfect tooth. Authenticity guaranteed. These teeth were found in many closed quarries.

GR024          Size: 7/16" 

Note - Adding 52 German shark teeth in August 2022 ->  Link to German Shark Teeth

A Top Quality Physogaleus latus tooth, an extinct Gray shark, from the Mainz Basin, Germany. A lower jaw tooth. An early Oligocene age tooth (Rupelian - 32 MYA). An excellent tooth for the rare tooth collector! No repair or restoration. Perfect tooth. Authenticity guaranteed. These teeth were found in many closed quarries.

GR022          Size: 7/16" 

Note - Adding 52 German shark teeth in August 2022 ->  Link to German Shark Teeth

A Top Quality Ptychodus latissimus, an extinct durophagous (shell-crushing) shark, tooth from Ellis Co., Texas. An excellent example of this Upper Cretaceous Atco Fm. tooth. These massive teeth have a design with 5 to 6 strong transverse ridges extending across the cusp face and granular margins. Authenticity guaranteed.  Near perfect tooth - some root loss. 

T292            SIZE: 5/8"

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

A Top Quality Ptychodus whipplei, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Atco Fm. tooth. These massive teeth have a design with a very tall conical cusp with transverse ridges extending across the cusp face, but typically do not reach the margin. Authenticity guaranteed. 

T033            SIZE: 5/8"

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

A natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell has some natural iridescence. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits in an original Pierre Shale nodule with a flat base for a great display. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD02        Size: 2-1/8"

Note - Adding 10 So. Dakota ammonites in December 2020.  -->  Link to So. Dakota Ammonites

A rare Top Quality Carcharomodus escheri, a "serrated Mako" shark tooth - upper jaw anterior tooth from the "De Kuilen" sand pit, Mill, The Netherlands. The Carcharomodus escheri  was named as a new genus in 2015 based upon a crenulated cutting edge ("wavy serrations"), slender & distally inclined crown, and side cusplets. This tooth has good color and preservation. Sharp cutting edge. The age is late Miocene (approx. 6-8 million years ago). An excellent rare collector's tooth. Authenticity guaranteed. A difficult tooth to source.

N110        SIZE: 1-13/16"

Note - Adding 17 Netherlands Carcharomodus escheri teeth in July 2023.  Link to Netherlands Escheri teeth

A LARGE, rare Top Quality Carcharomodus escheri, a "serrated Mako" shark tooth - upper jaw anterior tooth from the "De Kuilen" sand pit, Mill, The Netherlands. The Carcharomodus escheri  was named as a new genus in 2015 based upon a crenulated cutting edge ("wavy serrations"), slender & distally inclined crown, and side cusplets. This tooth has good color and preservation. Sharp cutting edge. The age is late Miocene (approx. 6-8 million years ago). An excellent rare collector's tooth. Authenticity guaranteed. A difficult tooth to source.

N103        SIZE: 2"

Note - Adding 17 Netherlands Carcharomodus escheri teeth in July 2023.  Link to Netherlands Escheri teeth

A rare Top Quality Carcharomodus escheri, a "serrated Mako" shark tooth - upper jaw anterior tooth from the "De Kuilen" sand pit, Mill, The Netherlands. The Carcharomodus escheri  was named as a new genus in 2015 based upon a crenulated cutting edge ("wavy serrations"), slender & distally inclined crown, and side cusplets. This tooth has excellent color and preservation. Sharp cutting edge. The age is late Miocene (approx. 6-8 million years ago). An excellent rare collector's tooth. Authenticity guaranteed. A difficult tooth to source.

N006        SIZE: 1-11/16"

Note - Adding 17 Netherlands Carcharomodus escheri teeth in July 2023.  Link to Netherlands Escheri teeth

A rare Top Quality Carcharomodus escheri, a "serrated Mako" shark tooth - upper jaw anterior tooth from the "De Kuilen" sand pit, Mill, The Netherlands. The Carcharomodus escheri  was named as a new genus in 2015 based upon a crenulated cutting edge ("wavy serrations"), slender & distally inclined crown, and side cusplets. This tooth has excellent color and preservation. Sharp cutting edge. The age is late Miocene (approx. 6-8 million years ago). An excellent rare collector's tooth. Authenticity guaranteed. A difficult tooth to source.

N005        SIZE: 1-13/16"

Note - Adding 17 Netherlands Carcharomodus escheri teeth in July 2023.  Link to Netherlands Escheri teeth

A LARGE, rare Top Quality Carcharomodus escheri, a "serrated Mako" shark tooth - upper jaw anterior tooth from the "De Kuilen" sand pit, Mill, The Netherlands. The Carcharomodus escheri  was named as a new genus in 2015 based upon a crenulated cutting edge ("wavy serrations"), slender & distally inclined crown, and side cusplets. This tooth has excellent color and preservation. Sharp cutting edge. The age is late Miocene (approx. 6-8 million years ago). An excellent rare collector's tooth. Authenticity guaranteed. A difficult tooth to source.

N001        SIZE: 2"

Note - Adding 17 Netherlands Carcharomodus escheri teeth in July 2023.  Link to Netherlands Escheri teeth

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