Search results for: 'cos -1'

A very rare, Top Quality Thescelosaurus neglectus metatarsal (I) from the late Cretaceous of northern North America. Thescelosaurus is a mid-sized dinosaur found in the Hell Creek formation. This is the metatarsal for toe #1. This bone has excellent quality with excellent color / patina. Minor crack fill. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Excellent collector's quality Thescelosaurus toe bones. Authenticity guaranteed.

DI26       SIZE: 4-5/8"  x  2-5/16"  x  1-3/8" wide

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

A Top Quality Triceratops horridus rib bone 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 an excellent rib bone section with good detail preserved. No repair or restoration. 100% natural specimen. Legally collected on private land in Harding Co., So. Dakota. Authenticity guaranteed. 

DC38         SIZE: 1-3/4" Wide x 1-13/16" H

Note - Adding 20 new Triceratops bones in July 2022.       Link to Triceratops fossils catalog

A rare, Top Quality Brachylophosaurus  tail ungual (toe claw) from the late Cretaceous (Judith River Fm.) of North America. Brachylophosaurus is a mid-sized hadrosaur or "duck-bill" dinosaur found in the Judth River formation. Bone quality is excellent. Note - the distinctive ventral ridge is located on the base of the ungual. One crack. No restoration. Legally collected on private land in the Judith River Fm., Hill Co., Montana. An excellent collector's quality Brachylophosaurus ungual.  Authenticity guaranteed. A rare item.

DH73       1-3/4" (wide) & 1-13/16" (length)

Note - Adding 22 Hadrosaur bones / claws in April 2024.       Link to Edmontosaurus fossils catalog

A Top Quality Struthiomimus altus toe bone 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. Excellent bone quality and color. This toe bone is complete with excellent bone preservation. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. An excellent collector's quality Struthiomimus toe bone.  Authenticity guaranteed. 

DS05        SIZE: 2-3/8" (length) x 1-1/8" (wide)  

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

An extinct early camel jaw (Poebrotherium wilsoni) from Sioux Co., Nebraska. Poebrotherium 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. 

WR07        Size: 2"  

Name: Poebrotherium wilsoni

Age:  Oligocene

Location: Sioux Co., Nebraska

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

An extinct early camel jaw (Poebrotherium wilsoni) from Sioux Co., Nebraska. Poebrotherium 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. 

WR06        Size: 2"  

Name: Poebrotherium wilsoni

Age:  Oligocene

Location: Sioux Co., Nebraska

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

An extinct early 3-Toed horse jaw (Mesohippus) from Sioux Co., Nebraska. Mesohippus 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. 

WR05        Size: 2"  

Name: Mesohippus 

Age:  Oligocene

Location: Sioux Co., Nebraska

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

An EXTRA LARGE, TOP QUALITY Nanotyrannus lancensis tooth from the western US. This tooth measures 1-15/16" (straight line). The enamel is very good quality. The posterior serrations are excellent. Two cracks. No restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. Authenticity guaranteed.  An excellent collector's big Nano tooth. Note - a Riker display case is included.

DN04       SIZE: 1-15/16"

Note - Adding 18 Nanotyrannus teeth in August 2023  ->  Link to Nano Teeth

A LARGE, TOP QUALITY Nanotyrannus lancensis tooth from the western US. This tooth measures 1-5/8" (straight line). The enamel is excellent quality. The posterior serrations are excellent. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed.  An excellent collector's Nano tooth. Note - a Riker display case is included.

DN03       SIZE: 1-5/8"

Note - Adding 19 Nanotyrannus teeth in November 2025  ->  Link to Nano Teeth

A LARGE, TOP QUALITY Nanotyrannus lancensis tooth from the western US. This tooth measures 1-5/8" (straight line). The enamel is excellent quality. The posterior serrations are excellent. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed.  An excellent collector's Nano tooth. Note - a Riker display case is included.

DN03       SIZE: 1-5/8"

Note - Adding 19 Nanotyrannus teeth in November 2025  ->  Link to Nano Teeth

A LARGE, TOP QUALITY Nanotyrannus lancensis tooth from the western US. This tooth measures 1-5/8" (straight line). The enamel is excellent quality. The posterior serrations are excellent. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed.  An excellent collector's Nano tooth. Note - a Riker display case is included.

DN01       SIZE: 1-5/8"

Note - Adding 19 Nanotyrannus teeth in November 2025  ->  Link to Nano Teeth

A very rare, Top Quality Tyrannosaurus rex  tooth. This tooth measures 2-1/8".  The enamel has excellent color and patina. Excellent anterior and good posterior serrations. Base cross-section is a wide oval. Minimal hydration cracks with some crack fill. An excllent tooth! T-Rex was the apex during the late Cretaceous with massive teeth capable of crushing its prey. See the detailed description to determine how to tell a real T-Rex tooth! Legally collected on private land in the Hell Creek Fm., Dawson Co., Montana. Authenticity guaranteed. Note - a Riker display frame is included. 

DT02        SIZE:  2-1/8"   (Base: 1-1/8" x 7/8")

Note - Adding 7 T. rex teeth in October 2023.    Link to T. rex teeth -->  T. rex teeth