Search results for: 'sinonimos+punto,a+aprtado'

A rare, EXTRA LARGE Top Quality Hexanchus collinsonae tooth, a Sixgill Cow shark, from the Muddy Creek / Fisher - Sullivan site, Virginia. A June Fossil of the Month. A lower jaw tooth with 9 primary cusps. Exceptional color and preservation. This is an Early Eocene (Ypresian) age, Nanjemoy Formation tooth. A special collector's Cow shark tooth. Authenticity guaranteed. 

MC953         Size: 11/16"

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

A HUGE, Top Quality Ptychodus mammillaris, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Kamp Ranch Fm. tooth. These massive teeth have a design with strong transverse ridges across the cusp that transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Note - one margin has a natural crack which contains matrix within it and the root structure is missing. This is a rare species and a suer rare size - this specimen exceeds the maximum size recorded for Texas!

T271            SIZE: 1-13/16"  x 1-1/8"

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

A Top Quality Ptychodus mortoni, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. A November Fossil of the Month. An excellent example of this Upper Cretaceous Eagle Ford Fm. tooth. These massive teeth have a design includes a high cusp with radiating occlusal ridges extending across the cusp face. Authenticity guaranteed. Not perfect tooth - tooth was cracked in half when found. P. mortoni is a rare rare species in Texas, and when teeth get this large they are extremely rare! A massive anterior tooth  - maximum size!

T381 BoP         SIZE: 2" (long)  x  1-1/8" (wide) x 1-1/8" (height)

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

A rare, Top Quality Igdamanosaurus (Globidens) rooted tooth from the Khouribga Basin, Morocco. This is a specialized marine mosasaur that is Cretaceous in age. Nicely articulated and well preserved. No repair or restoration. Authenticity guaranteed. A perfect rooted tooth! 

M1104          SIZE:  3-1/4" Height  x 1-1/2" Wide

Note - Adding 9 Globidens teeth in November 2023. -> Link to Globidens teeth.

A rare, Top Quality Igdamanosaurus (Globidens) rooted tooth from the Khouribga Basin, Morocco. This is a specialized marine mosasaur that is Cretaceous in age. Nicely articulated and well preserved. No repair or restoration. Authenticity guaranteed. A perfect rooted tooth! 

M1101          SIZE:  3-1/4" Height  x 1-1/2" Wide

Note - Adding 9 Globidens teeth in November 2023. -> Link to Globidens teeth.

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