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

A rare Top Quality Hexanchus collinsonae tooth, a Sixgill Cow shark, from the Muddy Creek / Fisher - Sullivan site, Virginia.  An upper jaw parasymphyseal tooth with 1 primary cusp. Incredible color and preservation. This is an Early Eocene (Ypresian) age, Nanjemoy Formation tooth. A special collector's Cow shark tooth. Authenticity guaranteed. 

MC964         Size: 7/16"

Note adding 15 Muddy Creek Cow shark teeth in June 2022.  --> Link to Muddy Creek Cow Shark teeth

An EXTRA LARGE, 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.  Perfect tooth. 

T291            SIZE: 1"

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

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

N202       SIZE: 1-7/16"

Excellent Dasyatis teeth - the Sting ray - malespecies. More difficult to find.

ST145              SIZE: 3/16"

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! 

K432          SIZE: 7/8"

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 five 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!  

K425          SIZE: 7/8"

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

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 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, LARGE Stylemys nebrascensis, a fossil tortoise shell, from the White River Badlands, Brule Formation, South Dakota. Fantastic color and preservation. Note that Stylemys is thought to be a burrowing tortoise which helps maintain the 3-D in aspect of the shell when they are died in their burrow. Exceptional preparation with a little restoration done to the left side (front view) which is minor and common for the White River tortoise shells. One of the better White River tortoise shells and a great display piece. Authenticity guaranteed.

WR001         SIZE: 6-1/4" x 5" x 3"

An EXTRA LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. A July Fossil of the Month. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item!  Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 8.5 lbs.  International customers will not have free shipping.

X272        Size: 7"   (4-13/16" wide)

Note - Adding 6 large Madagascar ammonites in July 2023 -->   Link to Madagascar ammonites

A natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell has some 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. The end is filled with calcite crystals! This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  

SD07        Size: 1-5/8"

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

Two natural Hoploscaphites nebrascensis ammonites with excellent preservation of the shell material. The ammonites are fully exposed and their shells exhibit 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.  

SD04        Size: 1-3/4"

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