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

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. Typical wear faucet from grinding on opposing teeth. Note - 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. My best rooted maxillary Pachy tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.

DP03 BoP      SIZE: 3/4"+    

Note - Adding 13 new Pachy fossils in July 2018.       Link to Pachy 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. Typical wear faucet from grinding on opposing teeth. Note - less pronounced high center ridge and some 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.

DP06       SIZE: 1/2"+    

Note - Adding 13 new Pachy fossils in July 2018.       Link to Pachy 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. Typical wear faucet from grinding on opposing teeth. Note - strong high center ridge and some 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.

DP07       SIZE: 9/16"    

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

A Top Quality Edmontosaurus annectens foot claw (pes ungual) from the late Cretaceous of North America. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Lance Creek formation. Some crack fill. No repair or restoration. Legally collected on private land in the Lance Creek Fm., Niobrara Co., Wyoming. An excellent collector's quality Edmontosaurus pes ungual.  Authenticity guaranteed.  

DH43        SIZE: 3-3/8" (length)  3-1/8" (width)

Note - Adding 21Edmontosaurus bones / claws in May 2025.       Link to Edmontosaurus fossils catalog

A Top Quality Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has excellent color and patina. Complete and well preserved with slight tip wear. Overall an excellent pes ungual. Note - this ungual has the Pachy twist (see Pachy ungual differentiation discussion below). No repair or restoration. An ultra rare Pachy pes ungual! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. No repair or restoration. An exceptional collector's quality Pachychephalosaurus claw. Museum quality. Note - claw comes with a Riker type frame. Authenticity guaranteed.

DP22       SIZE: 1-1/2"   

Note - Adding 13 new Pachy spikes, claws, and teeth in April 2023.   Link to Pachy fossils catalog

A LARGE, Top Quality Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. An April Fossil of the Month. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has exceptional color and patina. Overall an excellect pes ungual. Note - this ungual exbibits the "Pachy twist " (see Pachy ungual differentiation discussion below). No repair or restoration. An ultra rare Pachy pes ungual! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An exceptional collector's quality Pachychephalosaurus ungual. Museum quality. My largest Pachy claw. Note - claw comes with a Riker type frame. Authenticity guaranteed. Authenticity guaranteed.

DP21       SIZE: 2"   

Note - Adding 6 new Pachy spikes, claws, and teeth in February  2025.    Link to Pachy fossils catalog

A Top Quality, Triceratops horridus brow horn section from the late Cretaceous of northern North America. A November Fossil of the Month. Triceratops was a large ceratopsian dinosaur found in the Hell Creek Formation. This is a special horn with exceptional detail preserved with excellent color and natural patina. Incredible surface articulation. You can see all of the natural blood grooves around the surface of the horn. The preparation of the horn was very basic with one crack repair. No extensive repair or restoration. It comes with the custom steel stand as shown. A fantastic fossil overall for display. Legally collected on private land in the Hell Creek Fm., Dewey Co., So. Dakota. Authenticity guaranteed. Certification of Authentication provided. Museum quality specimen. A fantastic Triceratops brow horn display. You don't see these top quality horns very often. This one is much better quality than the typical brow horn section and a great display size!  Note - International buyers will incur shipping cost.  Weighs 5.2 pounds with stand. Have you been waiting for a special Triceratops horn display?  This is a fantastic Triceratops horn display.      

DC51   SIZE: 8-1/2"length ; End: 3-1/2" wide ;  (8-3/4" height on stand)

Note - Adding 14 new Triceratops bones in November 2024.       Link to Triceratops fossils catalog

A Top Quality Thescelosaurus neglectus premaxillary tooth 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. Minor wear faucet from grinding on opposing teeth. Note - Thesc premaxillary teeth crown shape is quite distinct (see Thesc-Pachy maxillary teeth differentiation discussion below). No cracks or restoration. A rare rooted Thesc premaxillary tooth! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Thescelosaurus tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.

DI07 BoP      SIZE: 11/16"    

Note - Adding 17 new Thescelosarus fossils in July 2018.       Link to Thesc fossils catalog

An ultra rare, GEM Quality Torvosaurus tanneri tooth from the Morrison Formation. A September Fossil of the Month. This completeTorvosaurus crown measures 1-516". The enamel is highest quality. Excellent rich green -brown color. Exceptional posterior and anterior serrations. Note - the anterior carina end about 1/2 of the way down from the tip. The diagnostic for a Torvosaurus tooth. Fantastic overall enamel condition and serrations. No repair or restoration. Torvosaurus was a large predator during the late Jurassic with large teeth designed to slash predators. Legally collected on private land in the Morrison Fm., Johnson Co., Wyoming. Authenticity guaranteed.  Note - a Gem case display is included. A very difficult species to find. The BEST!

DL12         SIZE: 1-5/16"   

Note - Adding 9 Jurassic theropod teeth & bones in September 2024    Link to Allosaurus - Torvosaurus teeth

An ultra rare, GEM Quality Torvosaurus tanneri tooth from the Morrison Formation. A September Fossil of the Month. This completeTorvosaurus crown measures 1-516". The enamel is highest quality. Excellent rich black color. Exceptional posterior and anterior serrations. Note - the anterior carina end about 1/2 of the way down from the tip. The diagnostic for a Torvosaurus tooth. Fantastic overall enamel condition and serrations. No repair or restoration. Torvosaurus was a large predator during the late Jurassic with large teeth designed to slash predators. Legally collected on private land in the Morrison Fm., Johnson Co., Wyoming. Authenticity guaranteed.  Note - a Gem case display is included. A very difficult species to find. The BEST!

DL11         SIZE: 1-5/16"   

Note - Adding 9 Jurassic theropod teeth & bones in September 2024    Link to Allosaurus - Torvosaurus teeth

A LARGE, High Quality Edmontosaurus annectens lower jaw (dentary) section from the late Cretaceous of North America. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Lance Creek formation. A large dentary section showing 25 "conveyor tracks" that held their lower jaw teeth. Crack fill. Legally collected on private land in the Lance Creek Fm., Niobrara Co., Wyoming. An excellent collector's quality Edmontosaurus dentary section.  Authenticity guaranteed. Note - item weighs 4.75 lbs and international customers will pay a shipping supplement. 

DH32        SIZE: 13" (length)  6" (height)

Note - Adding 21Edmontosaurus bones / claws in May 2025.       Link to Edmontosaurus fossils catalog

A LARGE Ultra Rare, Top Quality Pachychephalosaurus wyomingensis premaxillary tooth from the late Cretaceous of northern North America.  This tooth is often referred to as the Pachy "Fang". There are posterior serrations present on this tooth. There is also a small wear facet on the tip (quite common). Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is excellent quality with great color and patina. No cracks or restoration. An ultra rare Pachy premax tooth!  Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Pachychephalosaurus premaxillary tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed. A fantastic Pachy premaxillary tooth!

DP02       SIZE: 1/2"    

Note - Adding 6 new Pachy spikes / teeth in February 2025.   Link to Pachy fossils catalog