Search results for: 'fossilized teeth found in northern from'

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 specimen with a very small amount of tip wear. An exceptional pes ungual. Note - this ungual has a strong 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 claw. Museum quality. Note - this claw comes with a Riker type frame. Authenticity guaranteed.

DP24       SIZE: 1-7/16"   

Note - Adding 4 new Pachy unguals in July 2018.       Link to Pachy fossils catalog

A Top Quality, Ultra Rare Pachychephalosaurus wyomingensis node cluster from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by these spikes and nodes. These spikes and nodes were part of the skull. This is a node cluster with five nodes (three complete and two partial nodes). This node cluster has excellent color / patina with exceptional surface articulation. The blood grooves are still present in the bone. It is a complete specimen with no cracks or breaks. Note - the excellent articulated skull surface on the base of the node. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent and very rare collector's quality Pachychephalosaurus node cluster. You don't see these skull pieces very often. No repair or restoration. Authenticity guaranteed. A very unique specimen.

DP35       SIZE: 7/8"  x  13/16"

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

An EXTRA LARGE, Top 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 an adult Ankylosaurus. The bone quality is excellent with excellent color and patina. This osteoderm has a high ridge on one side. There are some hydration cracks and crack fill. No restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. An excellent collector's quality Ankylosaur osteoderm. A thick and heavy osteoderm.

DK23         SIZE: 6-1/2"  x  4-3/8"  (Height = 1-3/4" on high side)

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

A Top Quality Ankylosaurid osteoderm (bony armor plate) from the late Cretaceous of northern North America. Ankylosaurids had their body covered with this bony armor. A body osteoderm section from a juvenile Ankylosaurid . The bone is excellent quality with excellent color and patina. It has an  excellent keel like design and is very thick. Some crack fill.. Legally collected on private land in the Horseshoe Canyon Fm., Alberta, Canada. Authenticity guaranteed. A collector's quality Ankylosaur osteoderm.  Disposition number 000028-0000029.

DK21c         SIZE:  3-5/8"  x  2-1/2" x  1-1/8" Height

Note - Adding 7 Ankylosaur osteoderms in August 2025.    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 beautifully prepared, Colomnia taunicum crab from Konchekusu, Kazakhstan. An Oliogocene crab (30 mya). Excellent quality and preservation. No repair or restoration. Authenticity guaranteed. 

X415        Size:  2-5/8"  

An extinct early Dog-like Canid jaw (Hesperocyon gregarius) from Sioux Co., Nebraska. Hesperocyon gregarius was one of many mammals that thrived in the Early Oligocene in North America. Found in the Brule Fm. (Rupelian) 33 - 30 million years ago. A very well preserved specimen. No repair or restoration. Authenticity guaranteed. Note - this animal was quite old and wore down its teeth.

WR47        Size: 2-3/8"  

Name: Hesperocyon gregarius

Age:  Oligocene

Location: Sioux Co., Nebraska

Note - Posting 49 Oligocene Mammal fossils in January 2025.      Link to Oligocene Mammal Fossils

A RARE, Top Quality Megachasma tooth, the Megamouth shark, from the Bahia Iglesa Fm., Chile. The Megamouth shark is a very rare and exotic fossil shark tooth since it is rarely found in the fossil record. Megachasma teeth are one of the scarce and well preserved fossils that are unique to the Caldera Basin site in Chile! The best size and quality tooth available. Late Miocene age. An exceptional and rare collector's tooth! Authenticity guaranteed.

C559            Size: 9/16"

Note - Adding 8 new Chilean Megachasma teeth in May 2021 -> Link to Megachasma teeth

A RARE, Top Quality Megachasma tooth, the Megamouth shark, from the Bahia Iglesa Fm., Chile. The Megamouth shark is a very rare and exotic fossil shark tooth since it is rarely found in the fossil record. Megachasma teeth are one of the scarce and well preserved fossils that are unique to the Caldera Basin site in Chile! The best size and quality tooth available. Late Miocene age. An exceptional and rare collector's tooth! Authenticity guaranteed.

C557            Size: 5/8"

Note - Adding 8 new Chilean Megachasma teeth in May 2021 -> Link to Megachasma teeth

A RARE, Top Quality Megachasma tooth, the Megamouth shark, from the Bahia Iglesa Fm., Chile. The Megamouth shark is a very rare and exotic fossil shark tooth since it is rarely found in the fossil record. Megachasma teeth are one of the scarce and well preserved fossils that are unique to the Caldera Basin site in Chile! The best size and quality tooth available. Late Miocene age. An exceptional and rare collector's tooth! Authenticity guaranteed.

C556            Size: 5/8"

Note - Adding 8 new Chilean Megachasma teeth in May 2021 -> Link to Megachasma teeth

A RARE, Top Quality Megachasma tooth, the Megamouth shark, from the Bahia Iglesa Fm., Chile. The Megamouth shark is a very rare and exotic fossil shark tooth since it is rarely found in the fossil record. Megachasma teeth are one of the scarce and well preserved fossils that are unique to the Caldera Basin site in Chile! The best size and quality tooth available. Late Miocene age. An exceptional and rare collector's tooth! Authenticity guaranteed.

C554            Size: 3/4"

Note - Adding 8 new Chilean Megachasma teeth in May 2021 -> Link to Megachasma teeth

A Top Quality Ankylosaur 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 Ankylosaur. The bone is exceptional quality with excellent color and patina. No hydrations cracks. No restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. Authenticity guaranteed. A fantastic collector's quality Ankylosaur osteoderm.  I do not see top quality ostederms very often.

DK29         SIZE: 3-1/2"  x  2-1/4"  Height of keel = 3/4"

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