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.
- Nanotyrannus lancensis$225.00
A TOP QUALITY Nanotyrannus lancensis tooth from the western US. This juvenile tooth measures 3/4" (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., Powder River Co., Montana. Authenticity guaranteed. An excellent collector's Nano tooth.
DN28 SIZE: 3/4"
Note - Adding 19 Nanotyrannus teeth in November 2025 -> Link to Nano Teeth
Learn More - Nanotyrannus lancensis$195.00
A TOP QUALITY Nanotyrannus lancensis tooth from the western US. This tooth measures 7/8" (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 gem case display is included.
DN14 SIZE: 7/8"
Note - Adding 18 Nanotyrannus teeth in August 2023 -> Link to Nano Teeth
Learn More - Thescelosaurus$195.00
A Top Quality Thescelosaurus neglectus caudal (tail) vertebra from the late Cretaceous of northern North America. Thescelosaurus is a mid-sized dinosaur found in the Hell Creek formation. This bone quality is excellent with excellent color and patina. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. An excellent collector's quality Thescelosaurus vertebra. Authenticity guaranteed.
DI44 SIZE: 2" x 1-1/2" x 1-5/8" height
Note - Adding 23 new Thescelosarus fossils in March 2022. Link to Thesc fossils catalog
Learn More - Edmontosaurus$195.00
A LARGE, Top Quality Edmontosaurus annectens tooth from the late Cretaceous of North America. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Hell Creek formation. This specimen resides on its original Hell Creek Fm. matrix. The enamel is excellent quality with excellent color / patina. Excellent preservation showing the intricate texture of the root. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. An excellent collector's quality Edmontosaurus tooth. Perfect tooth. Authenticity guaranteed.
DH08 SIZE: 1-1/16"
Note - Adding 20 new Edmontosaurus fossils in March 2024. Link to Edmontosaurus fossils catalog
Learn More - Thescelosaurus$195.00
A Top Quality Thescelosaurus neglectus pes ungual (foot claw) from the late Cretaceous of northern North America. Thescelosaurus is a mid-sized dinosaur found in the Hell Creek formation. This claw is excellent quality with excellent color / patina. A some erosion the proximal end. Note - Thesc unguals are described as flat triangles.(see Thesc-Pachy claw differentiation discussion below). No repair and no restoration. A rare Thescelosaurus pes ungual! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Excellent collector's quality Thescelosaurus claw. Note - claw comes with a Riker type frame. Authenticity guaranteed.
DI25 SIZE: 1-5/16"
Note - Adding 23 new Thescelosarus fossils in March 2022. Link to Thesc fossils catalog
Learn More - Pectinodon bakkeri (Hell Creek Fm)$195.00
A RARE, Pectinodon bakkeri tooth from the Hell Creek Fm. of western North America. Pectinodon is a small Troodontid and has teeth similar to Troodon. Pectinodon are known for their very unique shaped teeth with unusually large distal serrations. The enamel is excellent with a great brown color. Excellent large posterior and no anterior serrations. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Meade Co., So. Dakota. Authenticity guaranteed. This is your chance to own a rare, quality Pectinodon tooth. Near perfect tooth. Note - A gem jar will be included as photographed.
DO23 SIZE: 3 mm
Note - Adding 27 new Troodontid teeth in April 2024. Link to Pectinodon catalog.
Learn More - Troodon formosus (Judith River Fm)$195.00
A RARE, Troodon formosus tooth from the Judith River Fm. of western North America. Anterior tooth. Troodontid teeth are known for their very unique shaped teeth with unusually large distal serrations. The enamel is excellent with a good brown color. Good large posterior and excellent anterior serrations. Please note that Judith River Fm. Troodon teeth typically have anterior serrations. There is damage to the tip. No repair or restoration. Legally collected on private land in the Judith River Fm., Hill Co., Montana. Authenticity guaranteed. This is your chance to own a rare, quality Troodon tooth. Not a perfect tooth. Note - A gem jar will be included as photographed.
DO07 SIZE: 1/4"+
Note - Adding 27 new Troodontid teeth in April 2024. Link to Troodon catalog.
Learn More - Troodon formosus (Judith River Fm)$195.00
A RARE, Troodon formosus tooth from the Judith River Fm. of western North America. Anterior tooth. Troodontid teeth are known for their very unique shaped teeth with unusually large distal serrations. The enamel is excellent with a good brown color. Excellent large posterior and weak anterior serrations. Please note that Judith River Fm. Troodon teeth typically have anterior serrations. There is damage to the tip. No repair or restoration. Legally collected on private land in the Judith River Fm., Hill Co., Montana. Authenticity guaranteed. This is your chance to own a rare, quality Troodon tooth. Not a perfect tooth. Note - A gem jar will be included as photographed.
DO06 SIZE: 5/16"
Note - Adding 10 new Troodontid teeth in March 2023. Link to Troodon catalog.
Learn More - Nanotyrannus lancensis$195.00
A TOP QUALITY serrated Nanotyrannus lancensis premaxillary tooth from the western US. The premaxillary teeth were the front teeth, have a "D" shaped base, and were not large. Most Nano premaxillary teeth are non-serrate. This Nano has strong serrations - rare. The right side serrations have some wear or damage. This tooth measures 9/16" (straight line). The enamel is xcellent quality. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Custer Co., Montana. Authenticity guaranteed. An excellent collector's Nano tooth.
DN26 SIZE: 9/16"
Note - Adding 24 Nanotyrannus teeth in March 2025 -> Link to Nano Teeth
Learn More - Tyrannosaur tooth - Judith River Fm$195.00
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 1-3/16" - an excellent Tyrannosaur tooth on its original matrix. A 1st dentary tooth. The enamel is high quality with excellent color. Anterior serrations are good and posterior serrations are excellent. A small repair to base. No restoration. Legally collected on private land in the Judith River Fm., Winifred Co., Montana. Authenticity guaranteed. An incredible collector's tooth.
DY12 SIZE: 1-3/16" (Base: 7/16" wide)
Note - Added 26 new Tyrannosaur teeth in October 2025. Link to Tyrannosaur teeth catalog.
Learn More - Avisaurus archibaldi$185.00
A rare, Top Quality Avisaurus archibaldi tooth from the Hell Creek Fm. of Montana. A extinct primitive toothed bird from the Enantiornithine bird family. These teeth are triangular and thin, and the crown is non-serrate and may have longitudinal ridges. The root has a strong vertical notch. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Authenticity guaranteed.
DM10 Size: 1/8"+
Note - Adding 10 new Avisaurus teeth in July 2021 Link to Avisaurus catalog.
Learn More - Avisaurus archibaldi$185.00
A rare, Top Quality Avisaurus archibaldi tooth from the Hell Creek Fm. of Montana. A extinct primitive toothed bird from the Enantiornithine bird family. These teeth are triangular and thin, and the crown is non-serrate and may have longitudinal ridges. The root has to has a strong vertical notch. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed.
DM02 Size: 3/16"+
Note - Adding 10 new Avisaurus teeth in July 2021 Link to Avisaurus catalog.
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