Search results for: 'duck site fossil calcul e'

A Top Quality Edmontosaurus annectens lower jaw section from the late Cretaceous of North America. An August Fossil of the Month. 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. This specimen is a large section of the lower jaw showing at least 20 teeth still in place. Bone quality is excellent with no cracks. No restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. A exceptional specimen from one of my favorite localities. An exceptional collector's quality Edmontosaurus jaw section.  Authenticity guaranteed.

DH31 BoP       SIZE: 4-1/4" x 2-5/8"    

Note - Adding 6 Edmontosaurus jaw sections in August 2020.       Link to Edmontosaurus fossils catalog

A Top Quality Edmontosaurus annectens ulna bone (lower front leg or "arm" bone) from the late Cretaceous of North America. An August Fossil of the Month. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Hell Creek formation. They were mainly bipedal, but could walk on all four legs in search of food. This specimen is a excellent with no breaks and only minor crack fill. Bone quality is excellent. No restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. An excellent collector's quality Edmontosaurus ulna bone.  Authenticity guaranteed. An extra large ulna bone from an adult Edmontosaurus. Note - This items weighs 6.5 pounds and shipping surcharge will be applied to the "free shipping" offer.

DH71        SIZE: 24-1/4"  x  5"  x  3"    

Note - Adding 14 Edmontosaurus bones in August 2021.       Link to Edmontosaurus fossils catalog

A rare, EXTRA LARGE, Top Quality Columian Mammoth tooth (Mammuthus columbi), an early elephant molar found in Somervell Co., Texas.  Mammoths were present in this area during the Late Pleistocene Ice Age. Fantastic natural tan color! An excellent molar with a nicely articulated chewing surface. The molar chewing surface is 8-1/2" in length. A large, complete root. Completely fossilized. Weighs 13.75 lbs. with stand. No repair or restoration. Authenticity guaranteed. An excellent collectors specimen and a very attractive display piece.  An incredibly articulated tooth mounted on a custom steel stand. Note: international supplemental shipping cost will be calculated. Please request quote. 

X602      Size: 8-1/2" Length   x  4" Wide  x 7-1/2" Height  ;  Height on Stand = 9-1/2"

Note - Posting 6 ancestral elephant molars in September2024.   Link to Mammoth fossils.

A rare, Top Quality Columbian Mammoth (Mammuthus columbi), an early elephant molar found in Patricio Co., Texas.  Mammoths were present in this area during the Late Pleistocene Ice Age. Fantastic natural color! An excellent molar with a nicely articulated chewing surface. The molar chewing surface is 5-3/4" in length. A complete root. Completely fossilized. Weighs 4 lbs. with stand. No repair or restoration. Authenticity guaranteed. An excellent collectors specimen and a very attractive display piece. This tooth comes with a custom steel stand as shown.  Note: an international supplemental shipping cost will be calculated. Please request quote. You do not see the juvenile teeth often!

X625     Size: 5-3/4" Length   x  2-5/8" Wide ; Height on Stand: 6"

Note - Posting 8 Mammoth / Mastodon teeth in October 2025.     Link to Mammoth fossils.

A Top Quality, Rare Pachychephalosaurus wyomingensis spike 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 spike has excellent color / patina. It is a nearly complete specimen with no cracks or breaks. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. An excellent collector's quality Pachychephalosaurus spike. You don't see these skull pieces very often. No repair or restoration. Authenticity guaranteed.

DP40       SIZE: 1-1/2"   (7/8" W) 

Note - Adding 6 new Pachy spikes / teeth in February 2025.       Link to Pachy fossils catalog

A RARE, EXTRA LARGE Top Quality Megachasma tooth, the Megamouth shark, from the Bahia Iglesa Fm., Chile. A May Fossil of the Month.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. The BEST!

C552            Size: 7/8"   (Base  7/16" x 5/8")

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

A RARE, EXTRA LARGE Top Quality Megachasma tooth, the Megamouth shark, from the Bahia Iglesa Fm., Chile. A May Fossil of the Month.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. The BEST!

C551            Size: 7/8"   (Base  11/16" x 9/16")

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

A GEM, LARGE Sphryna laevissimus, a Hammerhead shark tooth from Chile. One of the tougher species to find at the Bahia Inglesa Fm. site. Perfect tooth. Authenticity guaranteed. The BEST!

C800              SIZE: 1/2"

A Top Quality, Rare Pachychephalosaurus wyomingensis spike from the late Cretaceous of northern North America. A complete node with good articulation. 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 Pachy skull. This spike has excellent color / patina. It is a complete specimen with no cracks or breaks. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Pachychephalosaurus node. You don't see these skull pieces very often. No repair or restoration. Authenticity guaranteed.

DP38       SIZE: 1-3/16"   (1-1/8" W) 

Note - Adding 10 new Pachy spikes / nodes in June 2021.       Link to Pachy fossils catalog

An EXTRA LARGE,  High Quality Edmontosaurus annectens toe bone from the late Cretaceous of North America. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Hell Creek formation. This bone is phalanx ! from toe II, the largest phalanx bone.  Bone quality is good. Some crack fill. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. An excellent collector's quality Edmontosaurus carpal bone.  Authenticity guaranteed. This is a massive toe bone. Larger than a T. rex toe bone Note - specimen weighs 3.5 lbs and will require supplemental postage for international order.

DH50        SIZE: 5-1/4" length x  6-3/4" wide  

Note - Adding 21 Edmontosaurus bones in May 2025.       Link to Edmontosaurus fossils catalog

A Top Quality Thescelosaurus neglectus premaxillary tooth 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. Note - Thescelosaurus premaxillary teeth crown shape is quite distinct (see Thesc-Pachy maxillary teeth differentiation discussion below). No cracks or restoration. An excellent Thescelosaurus tooth crown! Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. Excellent collector's quality Thescelosaurus tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.

DI13        SIZE: 3/8"    

Note - Adding 10 new Thescelosarus teeth in July 2022.       Link to Thescelosaurus fossils catalog

A Top Quality Thescelosaurus neglectus premaxillary tooth 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. Note - Thescelosaurus premaxillary teeth crown shape is quite distinct (see Thesc-Pachy maxillary teeth differentiation discussion below). No cracks or restoration. An excellent Thescelosaurus tooth crown! Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. Excellent collector's quality Thescelosaurus tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.

DI11       SIZE: 3/8"    

Note - Adding 10 new Thescelosarus teeth in July 2022.       Link to Thescelosaurus fossils catalog