Search results for: 'bone evolution paleo à first revêtue'

A rare, EXTRA LARGE Top Quality Tyrannosaur tooth from the late Cretaceous (Campanian) in northern North America. Please note that this tooth could be Gorgosaurus or Daspletosaurus - see Detailed Discussion below. A July Fossil of the Month. This tooth measures 3-1/16" - an excellent Tyrannosaur tooth. The enamel is highest quality with excellent color. Anterior serrations and posterior serrations are excellent.  Note - the large base height & width. This tooth comes from a  large Tyrannosaur - possibly Daspletosaurus. The posterior root corner was repaired for aesthetics. No resoration. Legally collected on private land in the Judith River Fm., Hill Co., Montana. Authenticity guaranteed. A Monster Sized Judith River Fm. collector's tooth. A Riker display frame is included.

DY01         SIZE: 3-1/16"   (Base: 1-1/16" x 11/16")

Note - Added 18 new Tyrannosaur teeth in July 2025.     Link to Tyrannosaur teeth catalog.

A Top Quality Ptychodus whipplei, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park 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. Perfect tooth. 

T029            SIZE: 1/2"

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 Collin Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park 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. Perfect tooth. 

T027            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 Collin Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park 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. Perfect tooth. 

T026            SIZE: 3/4"

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 Collin Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park 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. Perfect tooth. 

T025            SIZE: 13/16"

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 Collin Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park 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. Perfect tooth. 

T024            SIZE: 3/4"

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 Collin Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park 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. Perfect tooth. 

T023            SIZE: 3/4"

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 Collin Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park 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. Perfect tooth. 

T022            SIZE: 13/16"

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

A n Excellent Allodesmus kernensis molar tooth from the Sharktooth Hill area, near Bakersfield, California. Complete tooth - fully rooted with some damage. Excellent preservation and excellent color. A Quality Allodesmus specimen!

ST1019      SIZE: 1-7/16"

A LARGE, very rare, Top Quality Parotodus benedeni  tooth with a massive root from the Cooper River, So. Carolina. A Miocene-Pliocene age tooth from the Hawthorne Fm. Nice BLACK color. Lateral tooth. High quality enamel with sharp edges and  tip. Root is complete, thick (3/4"), nicely articulated, and a typical hydration crack. No repair or restoration. Authenticity guaranteed. A very difficult tooth to locate.

SC870              SIZE: 2-11/16"

Adding 15 So. Caroilna Parotodus benedeni teeth in May 2025.  ->   Link to SC Parotodus benedeni teeth.

An EXTRA LARGE, very rare, Top Quality Parotodus benedeni  tooth with a massive root from the Summerville, So. Carolina. A Miocene-Pliocene age tooth from the Hawthorne Fm. Nice tan color. Lateral tooth. Good quality enamel . Root is complete, thick (3/4"), nicely articulated, and a typical hydration crack. No repair or restoration. Authenticity guaranteed. A very difficult tooth to locate from a rare location.

SC864              SIZE: 2-3/4"

Adding 15 So. Caroilna Parotodus benedeni teeth in May 2025.  ->   Link to SC Parotodus benedeni teeth.

A LARGE, TOP QUALITY Great Hammerhead shark tooth, Sphyrna mokarran, from Baja, Mexico. Excellent color and serrations (Note - the great Hammerhead has serrated teeth). A large lateral tooth from a Pliocene land deposit in the Gloria Fm. No repair or restoration.  Authenticity guaranteed. A scarce collector's tooth from a rare locality.

MX241            SIZE: 9/16"

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