Search results for: 'bone evolution polk à fish revêtue'

A rare Top Quality Triceratops horridus vertebra from the late Cretaceous of northern North America. Triceratops was a large ceratopsian dinosaur found in the Hell Creek and Lance Creek formations which is know for three horns and a large frill protecting its neck. This is a caudal (tail) vertebra with exceptional detail preserved and great color / patina. You can see the vertebra surface is very rugous and the vertebra is very thick with a very round centra which are characteristics of Triceratops and distinguishes it from a Hadrosaur. Triceratops bones are more difficult to find. No repair or restoration. It is very rare to find vertebra that are complete. 100% natural specimen. Legally collected on private land in Powder River Co., Montana. Authenticity guaranteed. An excellent big Triceratops vertebra. Note - A 4 peg display stand comes with it. 

DC30         SIZE: 2.5" Height x 1-7/8" Wide x 1-5/8" Length

Note - Adding 15 new Triceratops fossils in September 2025.       Link to Triceratops fossils catalog

A rare Top Quality Triceratops horridus occipital condyle from the late Cretaceous of northern North America. Triceratops was a large ceratopsian dinosaur found in the Hell Creek formation which is known for three horns and the large frill protecting its neck. This is a beautiful 3-3/4" occipital condyle with excellent detail preserved. This large codyle has fantastic color and patina plus a large section of braincase is attached. Note - The occipital condyle was the connection point of the Triceratops massive skull to the vertebrae column, and it allowed for maximum rotation of the head. No repair or restoration. There is a small amount of repair at the base. Legally collected on private land in Powder River Co., Montana. Authenticity guaranteed. Note - this specimen weighs 2.5 lbs. A supplemental shipping charge will apply for international orders.

DC39    SIZE: 3-3/4" Condyle diameter ;  3-3/8" height

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

A rare, TOP QUALITY Triceratops horridus hoof core (pes claw) from the late Cretaceous of northern North America. Triceratops was a large ceratopsian dinosaur found in the Hell Creek formation which is known for three horns and a large frill protecting its neck. This adult hoof core has exceptional detail preserved and excellent color & patina. Note - Triceratops hoof cores are generally smaller than Hadrosaur, have a very rugous surface, have a characteristeristic "shallow ledge" on the under side, have less height than Hadrosaur, and are much more difficult to find. This hoof core has  the correct features is is incredibly preserved. Legally collected on private land in Carter Co., Montana. Authenticity guaranteed. True Triceratops hoof cores are very difficult to locate, and this is a unique example!  

DC61         SIZE: 3-1/4" Length x  2-3/4" Wide 

Note - Adding 15 new Triceratops bones in September 2025.       Link to Triceratops fossils catalog

An EXTRA LARGE, Top Quality Thescelosaurus neglectus caudal (tail) vertebra chevron from the late Cretaceous of northern North America. A March Fossil of the Month. Thescelosaurus is a mid-sized dinosaur found in the Hell Creek formation. The chevron is the appendage that resides below the tail vertebra that provides structure to the base of the tail. Chevron bones rarely survive and this one is 99% complete - very rare! This bone quality is excellent with excellent color and patina. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Thescelosaurus vertebra chevron. Authenticity guaranteed. Museum Quality. A rare find!

DI52       SIZE: 6-3/4"  

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

A LARGE, Top Quality, Triceratops horridus frill section from the late Cretaceous of northern North America. A September Fossil of the Month. Triceratops was a large ceratopsian dinosaur found in the Hell Creek formation which is known for three horns and the large frill protecting its neck. This is a great frill section with exceptional detail preserved. Excellent color and patina. You can see all of the natural blood grooves across the surface of the frill. No repair or restoration. 100% natural specimen. Legally collected on private land in Carter Co., Montana. Authenticity guaranteed. Note - This frill section is from the bottom of the frill near the neck and is extra thick and heavy. This section weighs approx. 3 lbs and international order will require a shipping supplement.

DC41         SIZE: 6" Wide x  5-5/8" High x 2-1/4" Thick

Note - Adding 15 new Triceratops bones in September 2025.       Link to Triceratops 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, 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

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 Top Quality Edmontosaurus annectens toe from the late Cretaceous of North America. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Hell Creek formation. This three piece toe is #2. Some crack fill. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. An excellent collector's quality Edmontosaurus toe.  Authenticity guaranteed.  Note - this toe weighs 3 lbs and international customers will pay a supplemental shipping charge.

DH42        SIZE: 10-5/8" (length)  3-7/8" (width)

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

A LARGE, Top Quality Edmontosaurus annectens toe from the late Cretaceous of North America. A MAy Fossil of the Month. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Hell Creek formation. This four piece toe is #3. Some crack fill. Minor repair or no restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. An excellent collector's quality Edmontosaurus toe.  Authenticity guaranteed.  Note - this toe weighs 4.5 lbs and international customers will pay a supplemental shipping charge.

DH41        SIZE: 12-1/2" (length)  5" (width)

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