Hadrosaurs

Hadrosaurs

The Hadrosaurs are commonly know as the "duck-billed dinosaurs". These large herbivores were both bipedal and quadrapedal and grew to a size of ~40 feet. They lived throughout the Cretaceous period, and believed to live in large groups. Fossil remains include well preserved teeth, bones, and claws. These top quality specimens were all legally collected from private lands in the northwestern US. Late Cretaceous, Hell Creek Fm. (or equivalent), 68-66 MYA.

Edmontosaurus was one of the largest members of the hadrosaur family which lived during the late Cretaceous in North America. These were large dinosaurs which grow up to 50 feet in length and weighed up to 10,000 lbs. Edmontosaurus was a herbivore who had a large bill-like snout that was able to nip and tear vegetation, and their jaws were filled with rows of large teeth used to grind vegetation. They appear to live in herds and they would be prey for Tyrannosaurus rex. Edmontosaurus had little defense when attacked by T. rex. They are believed to good speed for their size and a herd of large adults may have been have been threatening to a T. rex. There are two species of Edmontosaurus. There are two species of Edmontosaurus and in the Hell Creek formation, Edmontosaurus annectens was the species present.

Today, we find fossilized Edmontosaurus annectens teeth, unguals (claws), and non-associated bones in the Hell Creek Formation. Authenticity guaranteed.

 


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  1. Edmontosaurus
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    A Quality Edmontosaurus annectens "spitter" tooth from the late Cretaceous of North America. "Spitter" teeth are worn teeth released for a replacement tooth. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Hell Creek formation. The enamel is excellent quality with excellent color / patina. Excellent preservation showing the intricate texture of the root. No cracks or restoration. Legally collected on private land in the Hell Creek Fm.,Carter Co., Montana. An excellent collector's quality Edmontosaurus tooth. Note - tooth comes with a gem  case. Authenticity guaranteed.

    DH28        SIZE: 3/8"    

    Note - Adding 28 new Edmontosaurus fossils in October 2021.      Link to Edmontosaurus fossils catalog

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  2. Edmontosaurus - Jaw
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    A rare Top Quality Edmontosaurus annectens lower jaw from the late Cretaceous of North America. An October Fossil of the Month. This lower jaw (dentary) section is ~85% complete - missing the very back of the jaw which eroded away. The delicate front of the jaw is 100% complete. 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 lower jaw includes 25 columns with approximately 65 teeth. Bone quality and color are exceptional. No restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Two cracks were stabilized in the front of the jaw. No restoration. An excellent collector's quality Edmontosaurus jaw which is near complete.  Authenticity guaranteed. You rarely find a lower jaw with the original teeth still intact. These lower jaws are my favorite!

    DH31 BoP2       SIZE: 11-3/4"  x  3-1/8"    

    Note - Adding 2 Edmontosaurus jaw sections in October 2021.       Link to Edmontosaurus fossils catalog

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  3. Edmontosaurus - Humerous
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    A Top Quality Edmontosaurus humerous 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 is a juvenile Edmontosaurus humerous (upper arm) bone. Bone quality is excellent. Some crack fill. No restoration. Legally collected on private land in the Lance Creek Fm., Niobrara Co., Wyoming. An excellent collector's quality Edmontosaurus humerous bone.  Authenticity guaranteed.

    DH40        SIZE: 12" (length) x 2-7/8" (each end width)

    Note - Adding 17 Edmontosaurus bones / claws in July 2022.       Link to Edmontosaurus fossils catalog

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  4. Edmontosaurus
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    A Top Quality Edmontosaurus annectens tail (caudal) vertebra from the late Cretaceous of North America. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Hell Creek formation. Bone quality is excellent. Nearly all of the fragile processes are intact!  Cracks filled. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Edmontosaurus vertebra.  Authenticity guaranteed. Comes with the 4 peg display stand as shown.

    DH65        SIZE: 5-1/8" (height) x 1-5/16" (centrum wide) & 1-3/4" (length)

    Note - Adding 21 Edmontosaurus bones / claws in August 2023.       Link to Edmontosaurus fossils catalog

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  5. Edmontosaurus - Femur
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    A Top Quality Edmontosaurus annectens femur leg bone from the late Cretaceous of North America. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Hell Creek formation. A baby femur. Bone quality is excellent. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. An excellent collector's quality Edmontosaurus femur bone.  Authenticity guaranteed.

    DH35 BoP       SIZE: 6-1/2" ( straight line length) 

    Note - Adding 21 Edmontosaurus bones / claws in August 2023.       Link to Edmontosaurus fossils catalog

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  6. Edmontosaurus - Carpal
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    A Top Quality Edmontosaurus annectens carpal bone ("hand" bone) from the late Cretaceous of North America. 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 exceptional. Bone quality is excellent. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. An excellent collector's quality Edmontosaurus carpal bone.  Authenticity guaranteed. Note - The Edmontosaurus carpal bones are scarce. I rarely see them.

    DH50        SIZE: 2-1/4"    

    Note - Adding 21 Edmontosaurus bones in August 2023.       Link to Edmontosaurus fossils catalog

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  7. Edmontosaurus
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    A LARGE, Top Quality Edmontosaurus annectens toe from the late Cretaceous of North America. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Hell Creek formation. This is a non-associated set of toe bones from the outer toe (toe IV - see diagram), and it consists of four four toe bones (Phalanx 1 thru 4) and a pes hoof core (ungual). Bone quality is excellent with minor crack fill on Phalanx 1 & 2 only. Other pieces are perfect including an exceptional pes ungual. No restoration. Legally collected on private land in the Hell Creek Fm., Carter & Garfield Co., Montana. An exceptional collector's quality Edmontosaurus toe.  Authenticity guaranteed.

    DH41 BoP    SIZE: 12-1/4" (combined length) ; Phalanx #1 3-7/8" x 5" ; Pes Ungual 3-3/4" x 3-1/2"

    Note - Adding 4 Edmontosaurus toes / claws in August 2020.       Link to Edmontosaurus fossils catalog

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  8. Edmontosaurus - Jaw
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    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

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