Search results for: 'colorado fossil'

A LARGE, VERY RARE, Top Quality, rooted Leptoceratops gracilis tooth from the late Cretaceous of western North America. Leptoceratops is a smaller "ceratopsian" dinosaur found in the Hell Creek and Lance formations. There small size and small horns made them relatively easy prey and their population size was quite small compared to other herbivores. The enamel is high quality with nice color and patina. The chewing surface is well preserved with a very small wear facet. Leptoceratops commonly have wear facets on their teeth.  No cracks. No restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Note - this tooth comes with a Riker display frame. Authenticity guaranteed. An excellent rooted Leptoceratops tooth! 

DQ03         SIZE: 7/8"         

Note - Adding 10 rare Leptoceratops teeth in May 2023.       Link to Ceratopian fossils catalog

A Top Quality Ankylosaur osteoderm (bony armor plate) from the late Cretaceous of northern North America. Ankylosaurus and Denversaurus, a Nodosaur, were the two Ankylosaurs present in the Hell Creek and Lance Creek Formations.  A complete body osteoderm plate from an adult Ankylosaur. The bone is exceptional quality with excellent color and patina. No hydrations cracks. No restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. Authenticity guaranteed. A fantastic collector's quality Ankylosaur osteoderm.  I do not see top quality ostederms very often.

DK29         SIZE: 3-1/2"  x  2-1/4"  Height of keel = 3/4"

Note - Adding 7 new Ankylosaur osteoderms in August 2025.       Link to Ankylosaur fossils catalog.

A LARGE, Top Quality Ankylosaurus osteoderm (bony armor plate) from the late Cretaceous of northern North America. Ankylosaurus and Denversaurus, a Nodosaur, were the two Ankylosaurs present in the Hell Creek and Lance Creek Formations.  A complete body osteoderm plate from an adult Ankylosaurus. The bone is excellent quality with excellent color / patina. Well preserved vascular channels. No cracks or restoration. Legally collected on private land in the Lance Creek Fm., Niobrara Co., Wyoming. Authenticity guaranteed. A collector's quality Ankylosaurus osteoderm. I do not see large ostederms very often.

DK25         SIZE: 5"  x  3-3/4"  x 1/2"

Note - Adding 7 new Ankylosaurus - Nodosaur osteoderms in August 2025.       Link to Ankylosaur fossils catalog.

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

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. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. An excellent collector's quality Edmontosaurus vertebra.  Authenticity guaranteed. 

DH64        1-5/16" (centrum wide) & 15/16" (length)

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

A Top 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. Bone quality is very good. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. An excellent collector's quality Edmontosaurus toe bone.  Authenticity guaranteed. 

DH49d     SIZE: 1-1/4" (length) x 1-1/2" (width)

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

A Top 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. Bone quality is very good. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. An exceptional collector's quality Edmontosaurus toe bone.  Authenticity guaranteed. 

DH49c     SIZE: 1-1/2" (length) x 1-13/16" (width)

Note - Adding 221 Edmontosaurus bones / claws in April 2024.     Link to Edmontosaurus fossils catalog

A Top Quality Edmontosaurus annectens foot claw (pes ungual) from the late Cretaceous of North America. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Lance Creek formation. Some crack fill. No repair or restoration. Legally collected on private land in the Lance Creek Fm., Niobrara Co., Wyoming. An excellent collector's quality Edmontosaurus pes ungual.  Authenticity guaranteed.  

DH43        SIZE: 3-3/8" (length)  3-1/8" (width)

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

An EXTRA LARGE, GEM Nanotyrannus lancensis tooth. A February Fossil of the Month. This tooth measures 2-1/8" (straight line). This BIG Nano tooth is extra wide and thick. Much like a small Rex, but has a basic Nano design. The enamel is excellent with excellent color and quality. Excellent serrations and tip. No cracks. No repair. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed.  A fantastic extra large collector's Nano tooth.  Note - a Riker frame display is included. A very special BIG Nano tooth!

DN01 BoP       SIZE: 2-1/8" (.85 " W x .46" H)

Note - Adding 12 Nano teeth in February 2020  ->  Link to Nano Teeth

A very rare,Top Quality Anzu wyliei finger from the Hell Creek Fm. of So. Dakota. A september Fossil of the Month. Anzu is referred to as the "Chicken from Hell", a large Hell Creek Fm. oviraptor. This is the 2nd finger with a non-assciated manus claw and digit. The manus claw is top quality with minor crack fill. Excellent rich brown color and patina. All surfaces are fantasic - very rare. This is top quality, collector's Anzu finger from the Hell Creek of So. Dakota. Note - 2014 Anzu wyliei description paper attached below. Check out our selection of top quality Anzu wyleii claws! Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. Authenticity guaranteed. Note - a Riker display frame will be included. 

DA22      Claw Size: 1-7/8" (straightline)  ; Digit Size: 2-5/16"  

Note - Adding 6 Anzu wyliei claws in February.      Link to Anzu wyliei claws.

A very rare,Top Quality Anzu wyliei finger from the Hell Creek Fm. of Montana. A september Fossil of the Month. Anzu is referred to as the "Chicken from Hell", a large Hell Creek Fm. oviraptor. This is the 1st finger with a non-assciated manus claw and digit. The manus claw is top quality with 3/16" of the tip professionally  restored. Excellent rich brown color and patina. All surfaces are fantasic - very rare. This is top quality, collector's Anzu finger from the Hell Creek of Montana. Note - 2014 Anzu wyliei description paper attached below. Check out our selection of top quality Anzu wyleii claws! Legally collected on private land in the Hell Creek Fm., Montana. Authenticity guaranteed. Note - a Riker display frame will be included. 

DA21      Claw Size: 2-3/4" (straightline)  ; Digit Size: 2-5/8"  

Note - Adding 6 Anzu wyliei claws in February.      Link to Anzu wyliei claws.

A 2nd May 2016 Fossil of the Month is a GEM light brown colored "Picture" Megalodon - PRINCIPAL ANTERIOR tooth. Fantastic colors - a mix of light brown, reddish brown, some blue and charcoal highlights. Highest quality enamel - glass-like surface with no hydration cracks. The finest enamel preservation - very rare! A very nice deep brown bourlette - 100% complete. Razor sharp serrations including an excellent tip serration. The root is incredible - a medium brown, nicely articulated, and complete with no hydration cracks on the display side. One of the finest preserved Megalodon teeth that I have seen. An exceptional collector's Megalodon tooth from a new Georgia site. A PERFECT "Picture" Megalodon tooth. BEST of the BEST!

G108  BoP       Size: 4-9/16"