Search results for: 'modern guid stone condyle hell'

A Quality Ankylosaurus osteoderm (bony armor plate) from the late Cretaceous of northern North America. Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds, and a body covered with this bony armor. A complete body osteoderm plate from a juvenile Ankylosaurus. The bone is excellent quality with excellent color and patina with some stream erosion. No cracks or restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. Authenticity guaranteed. A collector's quality Ankylosaur osteoderm. 

DK33         SIZE: 1-1/4"  x  1"

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

A LARGE, High Quality Ankylosaurus osteoderm (bony armor plate) from the late Cretaceous of northern North America. Ankylosaurus and Denversaurus, a Nodosaur, were the two Ankylosaurs present in the Hell Creek and Lance Creek Formations.  A complete body osteoderm plate from an adult Ankylosaurus. The bone is excellent quality with excellent color / patina. No cracks or restoration. Legally collected on private land in the Lance Creek Fm., Niobrara Co., Wyoming. Authenticity guaranteed. A collector's quality Ankylosaurus osteoderm. I do not see large ostederms very often.

DK26         SIZE: 5"  x  4-1/2"  x 5/8"

Note - Adding 7 new Ankylosaurus - Nodosaur osteoderms in August 2025.       Link to Ankylosaur fossils catalog.

A Top Quality, Triceratops horridus frill section 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 the large frill protecting its neck. This is a great frill section with excellent detail preserved. 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 Garfield Co., Montana. Authenticity guaranteed. 

DC50         SIZE: 3-1/4" Wide x 1-5/8" High x 1-1/4" Thick

Note - Adding 19 new Triceratops bones in May 2023.       Link to Triceratops fossils catalog

A Top Quality, Triceratops horridus frill section 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 great frill section with excellent detail preserved. 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 Garfield Co., Montana. Authenticity guaranteed. 

DC49         SIZE: 3-5/8" Wide x 2-1/4" High x 1-1/8" Thick

Note - Adding 19 new Triceratops bones in May 2023.       Link to Triceratops fossils catalog

A Top Quality, Triceratops horridus frill section 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 great frill section with excellent detail preserved. 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. 

DC47         SIZE: 2-3/4" Wide x 1-1/2" High x 1-1/2" Thick

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

A Top Quality, Triceratops horridus frill section 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 great frill section with excellent detail preserved. 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. 

DC45         SIZE: 2-1/2" Wide x 1-3/4" High x 1-1/4" Thick

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

A Top Quality, Triceratops horridus frill section 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 great frill section with excellent detail preserved. 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 Garfield Co., Montana. Authenticity guaranteed. 

DC43         SIZE: 4-1/2" Wide x 2-3/4" High x 1-3/16" Thick

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

A Top Quality, Triceratops horridus brow horn section 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 great brow horn wedge section with excellent detail preserved. Incredible surface and patina. You can see all of the natural blood grooves across the surface of this horn. No repair or restoration. 100% natural specimen. Legally collected on private land in Carter Co., Montana. Authenticity guaranteed. 

DC55         SIZE: 2-3/4" Wide x 1-1/8" Thick

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

A Top Quality, Triceratops horridus brow horn section 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 great brow horn wedge section with excellent detail preserved. Incredible surface and patina. You can see all of the natural blood grooves across the surface of this horn. No repair or restoration. 100% natural specimen. Legally collected on private land in Carter Co., Montana. Authenticity guaranteed. 

DC55         SIZE: 5-1/2-" Wide x 2" Thick

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

A Top Quality Richardoestesia isosceles tooth from Montana. A theropod from the Troodonidae family. These teeth are straight, flat, and possess ultra-fine serrations that run the length of the crown and may be related to Paronychodon (see beow). No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. 

DF12       Size: 5/16"

Note - Adding 12 new Richardoestesia teeth in June 2024      Link to Richardoestesia catalog.

A High Quality Richardoestesia isosceles tooth from Montana. A theropod from the Troodonidae family. These teeth are straight, flat, and possess ultra-fine serrations that run the length of the crown and may be related to Paronychodon (see beow). No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. 

DF10       Size: 3/8"

Note - Adding 12 new Richardoestesia teeth in June 2024      Link to Richardoestesia catalog.

A High Quality Richardoestesia isosceles tooth from Montana. A theropod from the Troodonidae family. These teeth are straight, flat, and possess ultra-fine serrations that run the length of the crown and may be related to Paronychodon (see beow). No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. 

DF09       Size: 3/8"+

Note - Adding 12 new Richardoestesia teeth in June 2024      Link to Richardoestesia catalog.