Dinosaur Fossils & Teeth - U.S.
Buried Treasure Fossils offers a fantastic collection of Cretaceous and Jurassic dinosaur fossils for sale from the US. Fossil remains include well preserved teeth, bones, and claws, and are highly valued by collectors. These top quality specimens were all legally collected from private lands in the northwestern US. All are authentic dinosaur fossils and legally collected from private land! US Dinosaurs - items are being added to the catalogs starting with Tyrannosaurus rex (T.rex) and Nanotyrannus teeth! Authenticity guaranteed. Have a look.
Dinosaur Teeth
Paleontologists are the scientists that love to study dinosaurs, and they learn a lot from dinosaur teeth. When analyzed along with the size of a dinosaur skull, a paleontologist can determine many things, including how the beast obtained its food and what sorts of things it ate. Some dino teeth even explain how the animal digested what it devoured.
Some dinosaurs had long teeth that were set in their jaws like the tines of a rake. These kinds of dinosaur teeth were used to pull nutritious leaves and bark from ancient plants. Other sorts of dinosaurs had razor sharp teeth that they used to kill and eat other animals, including other dinosaurs. Many herbivorous, plant-eating dinosaurs had rows of flat grinding teeth that they used to smash vegetable matter before swallowing.
Amazing facts about dinosaur teeth
1. Dinosaurs could re-grow any teeth that went missing. Paleontologists think that both plant-eating and carnivorous dinosaurs had the amazing ability to generate new teeth whenever they needed replacing a missing tooth. Dinosaurs such as Diplodocus may have grown brand new teeth every 35 days or so. Another dino, the Camarasaurus, required around two months to generate a replacement tooth, explains Live Science magazine.
2. A funny looking, duck-billed dinosaur named Hadrosaur boasted more teeth in its mouth than any other dinosaur that has ever been discovered. Although Hadrosaurs probably dined upon nothing but plant materials, they used almost 1,000 self-sharpening teeth to do make it happen.
3. The Apatosaurus dinosaur had a whole lot of teeth in its jaws, but it was not able to chew its food. Instead, the Apatosaurus dinosaur had specialized “stripper teeth” that were utilized to scrape leaves from vegetation. Fossil evidence discovered over the years indicates that the massive 19-ton reptilian beast probably swallowed without chewing its food at all.
4. Tyrannosaurus rex teeth had a mouth full of serrated teeth. The mighty dino's curved, chisel-like front teeth were used to grip, pull and yank raw meat from the bones of its unfortunate prey. Back teeth were not molars like we know today, but they did serve to dice meat into chunks that could be easily swallowed. Amazingly, some rather "banana-shaped" T. rex teeth were a foot long, including several inches of root. T. rex boasted 60 teeth in its Volkswagen-sized skull. Its front teeth were more closely spaced than the teeth toward the back of T. rex's massive mouth.
5. Kentrosaurus, Stegosaurus, and other Stegosaurids had dinosaur teeth attached to a jaw that probably wasn't very strong. These ancient beasts primarily dined upon low-lying shrubs, mosses, and fallen fruit.
6. Trachodon, Deinodon, and Cardiodon dinosaurs left no bones to be discovered (yet) but since teeth are harder, they did leave their dental imprint on the fossil record.
If you'd like to own one or more dinosaur teeth of your own, contact Buried Treasure Fossils at btfossils@cs.com or (281) 342-7129 during regular business hours.
- Pachycephalosaurus$695.00
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
Learn More - Ankylosaurus$650.00
An ultra rare, Top Quality Ankylosaurus magniventris rooted tooth from the late Cretaceous of North America. A June Fossil of the Month. Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds. Note - These incredibly sized dinosaurs had small teeth and this rooted tooth is from a juvenile Ankylosaurus. The enamel is the highest quality with excellent color / patina. The crown has no wear facet. No cracks or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. An excellent collector's quality Ankylosaur tooth. Note - tooth comes with the gem case pictured. Rooted Ankylosaurus teeth are quite rare.
DK11 SIZE: 1/4" (1/8" wide)
Note - Adding 9 new Ankylosaur / Nodosaur fossils in June 2024. Link to Ankylosaur fossils catalog.
Learn More - Tyrannosaur tooth - Judith River Fm$625.00
A Top Quality, Tyrannosaur tooth from the late Cretaceous (Campanian) in northern North America. Please note that this tooth could Gorgosaurus or Daspletosaurus - see Detailed Discussion below. This tooth measures 1-3/4" - an excellent Tyrannosaur tooth. A maxillary tooth. The enamel is high quality with excellent color. Anterior and posterior serrations are excellent. One crack. Root etching. No restoration. Legally collected on private land in the Judith River Fm., Winifred Co., Montana. Authenticity guaranteed. An excellent collector's tooth. A Riker display case is included.
DY09 SIZE: 1-3/4" (Base: 3/4" wide)
Note - Added 26 new Tyrannosaur teeth in October 2025. Link to Tyrannosaur teeth catalog.
Learn More - Pachycephalosaurus$595.00
A Top Quality Pachychephalosaurus wyomingensis rooted 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 great color / patina. Typical wear faucet from grinding on opposing teeth. Note - high center ridge and crown assymetry (see Pachy maxillary teeth differentiation discussion below). Note the nice crown wave on the left side. No cracks or restoration. An ultra rare Pachy tooth! Legally collected on private land in the Hell Creek Fm., Carter 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 SIZE: 7/16"
Note - Adding 13 new Pachy spikes, claws and teeth in April 2023. Link to Pachy fossils catalog
Learn More - Othnielosaurus fibula$595.00
A rare Top Quality Othnielosaurus consurs fibula bone from the Morrison Fm. This Othnielosaurus fibula measures 7-7/8". The bone is high quality. Excellent brown color and patina. Great overall condition with no restoration. Just basic crack fill. Othnielosaurus was a hypsilophodont dinosaur that lived during the late Jurassic. It was a fast moving herbivore / omnovore. Legally collected on private land in the Albany Co., Wyoming. Authenticity guaranteed. Complete Jurassic bones are rare!
DL35 SIZE: 7-7/8"
Note - Adding 9 Jurassic teeth & bones in January 2024 Link to Dinosaur bones
Learn More - Albertavenator currieri - Horseshoe Canyon Fm Troodon$595.00
A RARE, Albertavenator curriei (Troodon) tooth from the Horseshoe Canyon Fm. of Alberta, Canada. A premaxillary tooth. I only have one PM tooth. An April Fossil of the Month. Troodontid teeth are known for their very unique shaped teeth with unusually large distal serrations. The enamel is excellent with an excellent brown color. Excellent large posterior and anterior serrations. Please note that Albertavenator teeth typically have anterior (mesial) serrations. There is a very small wear facet on the tip. No repair or restoration. Legally collected on private land in the Horseshoe Canyon Fm., Alberta, Canada. These Albertavenator teeth were collected pre-July 1978 and a Confirmation Certificate #001427 was granted (see photo). Authenticity guaranteed. This is your chance to own a rare, quality Troodon tooth. Near perfect tooth. Note - A gem jar will be included as photographed.
DO38 SIZE: 5/16"
Note - Adding 10 new Albertavenator Troodontid teeth in April 2024. Link to Troodon catalog.
Learn More - Ankylosaurus$595.00
A rare, Top Quality Ankylosaurus magniventris partially rooted tooth from the late Cretaceous of North America. Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds. Note - These incredibly sized dinosaurs had small teeth and this rooted tooth is from a sub adult Ankylosaurus. The enamel is the highest quality with excellent color / patina. The crown has a very small wear facet. No cracks or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. An excellent collector's quality Ankylosaur tooth. Note - tooth comes with the gem case pictured.
DK10 SIZE: 1/4" (3/16" wide)
Note - Adding 9 new Ankylosaur / Nodosaur fossils in June 2024. Link to Ankylosaur fossils catalog.
Learn More - Struthiomimus - Pes Claw$575.00
A rare Top Quality Struthiomimus altus foot (pes) claw from the late Cretaceous of North America. A juvenile Struthiomimus foot claw. 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. Excellent bone preservation. Tip is repaired which is common. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. An excellent collector's quality Struthiomimus pes claw bone. Authenticity guaranteed. Specimen comes with a Riker display case.
DS14 SIZE: 1-15/16" (Proximal end: 3/4" height x 9/16" wide)
Note - Adding 5 Struthiomimus claws in November 2025. Link to Struthiomimus fossils catalog
Learn More - Edmontosaurus - Dentary Section$575.00
A Top 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 Hell Creek formation. They possessed ~300 teeth that were in columns of five teeth each which acted as conveyor belt to maintain a large chewing surface to cut and grind their food. An excellent juvenile dentary section showing 11 "conveyor tracks" that held their lower jaw teeth. Crack fill. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. An exceptional collector's quality Edmontosaurus dentary section. Authenticity guaranteed.
DH32 SIZE: 4-1/4" (length) 2" (height)
Note - Adding 19 Edmontosaurus bones / claws in May 2026. Link to Edmontosaurus fossils catalog
Learn More - Nanotyrannus lancensis$525.00
A TOP QUALITY Nanotyrannus lancensis tooth from the western US. This tooth measures 1-1/4" (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., Harding Co., So. Dakota. Authenticity guaranteed. An excellent collector's Nano tooth.
DN09 SIZE: 1-1/4"
Note - Adding 19 Nanotyrannus teeth in November 2025 -> Link to Nano Teeth
Learn More - Nanotyrannus lancensis$525.00
A TOP QUALITY Nanotyrannus lancensis tooth from the western US. This tooth measures 1-5/16" (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.
DN07 SIZE: 1-5/16"
Note - Adding 19 Nanotyrannus teeth in November 2025 -> Link to Nano Teeth
Learn More - Thescelosaurus$495.00
A rare, Top Quality Thescelosaurus neglectus lower jaw section 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. One crack was stabilized.No restoration. An exceptional Thescelosaurus jaw section! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Thescelosaurus jaw section. Note - jaw section comes with a Riker frame. Authenticity guaranteed.
DI16 SIZE: 2-3/16"
Note - Adding 16 new Thescelosarus fossils in March 2021. Link to Thescelosaurus fossils catalog
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