Search results for: '300000000 years old dinosaur teeth prima'

A TOP QUALITY Rebbachisaurus tooth from the Cretaceous Kem Kem deposits of Morocco. Rebbachisaurus is the only named sauropod dinosaur found in the Kem Kem basin, and they are quite scarce. Incredible detail. Exceptional condition and preservation. This tooth has a small natural wear facet. Please note that most the Kem Kem site teeth referred as "Rebbachisaurus" teeth are actually Titanosaurid teeth (see discussion below). This tooth fits the Rebbachisaurus description. No repair. No restoration. Authenticity guaranteed.

M1289       Size: 1"  (<1/4" W)

Note - Adding 5 new Titanosaur teeth in January 2022.    Link to Rebbachisaurus - Titanosaur teeth.

 Sandolodus sp.; an  Extinct Bradydont shark

An EXTRA LARGE crusher tooth. Exceptional preservation. Note the dimpled surface. An excellent collector's tooth. Matrix free - rare! An exceptional collector's piece from an old collection!

Age: Pennsylvanian (300 mya) ; Herta Limestone Fm.

Location: Crescent, Pottawattamie Co., Iowa

Z142          SIZE: 1"

Petalodus alleghaniensis; an  Extinct Petalodont shark

A LARGE tooth. Beautifully articulated and preserved.  An exceptional collector's piece from an old collection!  The best available!

Age: Pennsylvanian (300 mya) ; Herta Limestone Fm.

Location: Crescent, Pottawattamie Co., Iowa        On HOLD

Z134             SIZE: 1-3/8" x  1-3/8" W

An EXTRA LARGE, Top Quality Struthiomimus altus upper toe bone or metatarsal (from toe III - metatarsal - the arctometatarsal) from the late Cretaceous of North America. Struthiomimus is a long legged, bipedal, toothless dinosaur found in the Hell Creek formation. The Struthiomimus means "ostrich mimic" which best describes this species. This is metatarsal III which is an arctometatarsals, a shaped wedged metatarsal that strengthened the foot and improved agility. Arctometatarsals are present in Tyrannosaurs, Ornithomimimids and a few other dinosaur species. Excellent bone quality and color. This metatarsal bone is nearly complete. Excellent bone preservation. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Struthiomimus metatarsal bone.  Authenticity guaranteed. 

DS01        SIZE: 7-1/2" (length) x 2" (wide)  

Note - Adding 16 Struthiomimus bones & claws in August 2024.    Link to Struthiomimus fossils catalog

A rare, Top Quality Ankylosaurus magniventris tooth from the late Cretaceous of North America.  Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds. Note - These incredibly sized dinosaurs had small teeth. The enamel is very good quality with excellent color / patina. The crown has little wear. No cracks or restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. Authenticity guaranteed. An excellent collector's quality Ankylosaur tooth. Note - tooth comes with the gem case pictured.

DK08      SIZE: 3/8"    (1/4" wide)

Note - Adding 16 new Ankylosaur / Nodosaur fossils in January 2023.       Link to Ankylosaur fossils catalog.

A rare, Top Quality Ankylosaurus magniventris partially rooted tooth from the late Cretaceous of North America. Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds. Note - These incredibly sized dinosaurs had small teeth. The enamel is the highest quality with excellent color / patina. The crown has a little wear facet. No cracks or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. An excellent collector's quality Ankylosaur tooth. Note - tooth comes with the gem case pictured. 

DK09      SIZE: 5/16"    (3/16" wide)

Note - Adding 9 new Ankylosaur / Nodosaur fossils in June 2024.       Link to Ankylosaur fossils catalog.

A rare, Top Quality Ankylosaurus magniventris tooth from the late Cretaceous of North America. Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds. Note - These incredibly sized dinosaurs had small teeth. The enamel is the highest quality with excellent color / patina. The crown has a typical wear facet. No cracks or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. An excellent collector's quality Ankylosaur tooth. Note - tooth comes with the gem case pictured. 

DK07      SIZE: 5/16"    (1/4" wide)

Note - Adding 9 new Ankylosaur / Nodosaur fossils in June 2024.       Link to Ankylosaur fossils catalog.

A Thescelosaurus neglectus toe bone section from the late Cretaceous of northern North America. Thescelosaurus is a mid-sized dinosaur found in the Hell Creek formation. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Collector's quality Thescelosaurus toe bone. Authenticity guaranteed.

DI37       SIZE: 1-3/16"  

Note - Adding 23 new Thescelosarus fossils in March 2022.   Link to Thesc fossils catalog

Two Top Quality Thescelosaurus neglectus teeth (2 premaxillary teeth) from the late Cretaceous of northern North America. Thescelosaurus is a mid-sized dinosaur found in the Hell Creek formation. The enamel is excellent quality with excellent color / patina. Note - Thescelosaurus premaxillary teeth crown shape is quite distinct (see Thesc-Pachy maxillary teeth differentiation discussion below). No cracks or restoration. Two nice Thescelosaurus teeth crowns! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Excellent collector's quality Thescelosaurus teeth. Note - teeth come with the gem case pictured. Authenticity guaranteed.

DI12       SIZE: 5/16"    

Note - Adding 16 new Thescelosarus fossils in March 2021.       Link to Thescelosaurus fossils catalog

 Peripristis semicircularis ; an  Extinct Petalodont sharkA very rare, well preserved GEM posterior tooth. A complete tooth - crown & root - extremely rare! Beautifully articulated. Matrix free - incredibly rare. An exceptional collector's piece from an old collection!  The best available!   Reverse Photo.
Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)
Location: Louisville, Cass Co., Nebraska

Z149     SIZE: 5/16"

A very rare, Top Quality Ceratopsian toe from the late Cretaceous of northern North America. There were three ceratopsian dinosaur species found in the Horseshoe Canyon formation. This is an excellent four piece non-associated juvenile ceratopsian toe. The bones have great preservation and color / patina. Complete specimens with minor crack fill. No restoration. Legally collected on private land in Alberta, Canada. Authenticity guaranteed. Note - tooth comes with a Riker display frame. Disposition number 000028-0000029.

DC62c         SIZE: 6" Length ;  Ungual size: 2" x 2-1/2" wide

Note - Adding 17 Canadian bones & teeth in April 2025.    Link to Canadian Dinosaur fossils catalog

A Top Quality Pachychephalosaurus wyomingensis maxillary tooth from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is excellent quality with excellent color / patina. No wear faucet from grinding on opposing teeth. Note - strong high center ridge and assymetry (see Pachy maxillary teeth differentiation discussion below). No cracks or restoration. An ultra rare Pachy maxillary tooth! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Pachychephalosaurus tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.

DP05       SIZE: 5/8"+    

Note - Adding 13 new Pachy fossils in July 2018.       Link to Pachy fossils catalog