Search results for: 'cave+do+you+am+a+shell/'

A rare, top quality Carcharoides totuserratus from Chubut Province, Argentina. This is the rare serrated Carcharoides tooth from the early Miocene. A Lamnid shark. A lower jaw tooth. The crown is very finely serrated. Killer serrations! Exceptional color & preservation. Authenticity guaranteed. A rare collectors tooth.

A006           Size: 5/8"

Note - Adding 11 Carcharoides totuserratus teeth in June 2023.  Link to Carcharoides totuserratus teeth. 

A rare, top quality Carcharoides totuserratus from Chubut Province, Argentina. This is the rare serrated Carcharoides tooth from the early Miocene. A Lamnid shark. A lower jaw tooth. The crown is very finely serrated. Killer serrations! Exceptional color & preservation. Authenticity guaranteed. A rare collectors tooth.

A005           Size: 5/8"

Note - Adding 11 Carcharoides totuserratus teeth in June 2023.  Link to Carcharoides totuserratus teeth. 

A Top Quality Cretodus semiplicatus, an extinct Mackerel shark, tooth from Grayson Co., Texas. An excellent example of this Lower Cretaceous Eagle Ford Fm. tooth. These massive teeth have a design that includes a large / heavy root with high root face, a narrow crown width, and broad side cusps. This is a juvenile lateral tooth with perfect side cusps. Authenticity guaranteed. Perfect tooth.

T187            SIZE: 3/4"

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

A beautifully prepared, rare Viaphacops trilobite. Incredible preservation. A HIGH QUALITY specimen from the Bois D Arc Fm., Coal Co., Oklahoma. A lower Devonian trilobite (410 mya).

X107          Size: 2-5/16"

A MUSEUM QUALITY group of three Ophiopetra lithographica, a Brittle Star. The largest is 1" in length. Incredible detail. Excellent preservation and excellent preparation. Matrix size is 3-1/4" x 3". This Brittle star is from Hienheim, Bavaria, Germany. Upper Jurassic (Lower Tithonian). Rare! A top quality collector's piece.

GR104           SIZE: 1"

A Top Quality Physogaleus contortus, a Ground shark, from Baja, Mexico. Highest quality enamel. Excellent tan color with a white root. The root shows incredible detail. Very good preservation and condition. This is a Miocene age tooth from the Rosarita Beach Fm. Authenticity guaranteed. A fantastic collector's tooth from a rare locality.  

MX321        Size: 15/16"

Posting 19 species (68 rare shark teeth) from Baja, Mexico.   Link to Mexican shark teeth -> Mexico shark teeth

A Quality Physogaleus contortus, a Ground shark, from Baja, Mexico. High quality enamel. Excellent tan color with a white root. The root shows incredible detail. Very good preservation and condition. This is a Miocene age tooth from the Rosarita Beach Fm. Authenticity guaranteed. A fantastic collector's tooth from a rare locality.  

MX322        Size: 7/8"

Posting 19 species (68 rare shark teeth) from Baja, Mexico.   Link to Mexican shark teeth -> Mexico shark teeth

A Top Quality Rhinoptera sp., a Cownose ray, tooth plate from Baja, Mexico. Excellent tan color. The root shows incredible detail. Very good preservation and condition. This is a Miocene age tooth from the Rosarita Beach Fm. Authenticity guaranteed. A fantastic collector's tooth from a rare locality.  

MX351        Size: 13/16"

Posting 19 species (68 rare shark teeth) from Baja, Mexico.   Link to Mexican shark teeth -> Mexico shark teeth

A very rare, TOP QUALITY Hainosaurus tooth, a Tylosaur mosasaur, from the Cretaceous of Khouribga, Morocco. This mosasaur is a recent discovery and genus naming. The teeth appear to be quite rare. Note - the well defined posterior hook at the top of the crown - a Hainosaurus characteristic. This specimen has a wear facet on the anterior edge of the crown and it has been cracked. This is the most difficult of the Mosasaur species to find. An excellent collector's Mosasaur tooth. Authenticity guaranteed. 

M1060           SIZE: 1-3/4"   (1" Wide)

Note - Adding 35 new Mosasaur teeth in November 2023.   -->   Link to Mosasaur teeth.

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, 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 set of two Quality Rhinoptera sp., a Cownose ray, tooth plates from Baja, Mexico. Excellent tan color. The root shows incredible detail. Very good preservation and condition. This is a Miocene age tooth from the Rosarita Beach Fm. Authenticity guaranteed. A fantastic collector's tooth from a rare locality.  

MX352        Size: 7/16" (largest)

Posting 19 species (68 rare shark teeth) from Baja, Mexico.   Link to Mexican shark teeth -> Mexico shark teeth