Search results for: 'duck site fossil calcul e'

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

A Top Quality Tyrannosaur tooth from the late Cretaceous (Campanian) in northern North America. An October Fossil of the Month. Please note that this tooth could Gorgosaurus or Daspletosaurus - see Detailed Discussion below. This tooth measures 2-3/8" - an excellent Tyrannosaur tooth. The enamel is high quality with excellent color. Anterior serrations and posterior serrations are excellent. Serrated to the tip. Note - the top has some minor planting etching and there is one natural wear facet on the side (very typical for the Campanian Tyrannosaurs). No cracks, repair or restoration. Legally collected on private land in the Judith River Fm., McCone Co., Montana. Probably an excellent Gorgosaurus tooth based on size and roundness of the tooth cross-section. Also found at a site that produced a Gorgosaurus skeleton. Authenticity guaranteed. An excellent BIG tooth. A Riker display frame is included.

DY04        SIZE: 2-3/8"  (Base: 7/8" x 5/8")

Note - Added 14 new Tyrannosaur teeth in October 2021.       Link to Tyrannosaur teeth catalog.

A LARGE, Top Quality Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. An April Fossil of the Month. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has exceptional color and patina. Overall an excellect pes ungual. Note - this ungual exbibits the "Pachy twist " (see Pachy ungual differentiation discussion below). No repair or restoration. An ultra rare Pachy pes ungual! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An exceptional collector's quality Pachychephalosaurus ungual. Museum quality. My largest Pachy claw. Note - claw comes with a Riker type frame. Authenticity guaranteed. Authenticity guaranteed.

DP21       SIZE: 2"   

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

An EXTRA LARGE Ultra Rare, Top Quality Pachychephalosaurus wyomingensis premaxillary tooth from the late Cretaceous of northern North America. A February Fossil of the month. 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 tooth (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. My largest Pachy premaxillary tooth!

DP01       SIZE: 5/8"    

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

An incredibly sized GEM Great White shark tooth from Chile. This ULTRA RARE, MONSTER sized Great White tooth measures ~2-3/4" - a huge upper jaw PRINCIPAL ANTERIOR tooth. My finest remaining XL blue site tooth. The BEST of the BEST!

C1202          Size: 2-11/16" (2" W)

A beautifully prepared, Colomnia taunicum crab from Konchekusu, Kazakhstan. An Oliogocene crab (30 mya). Excellent quality and preservation. No repair or restoration. Authenticity guaranteed. 

X415        Size:  2-5/8"  

An Ultra Rare, Hexanchus griseus symphyseal tooth from the Caldera Basin of Chile. A February Fossil of the Month. This is complete lower jaw symphyseal (center) tooth. A rare female shark. Superb preservation and color. Ten cusps. An excellent complete root.  An excellent root which is very unique & extremely difficult to find! A Perfect tooth. Authenticity guaranteed. Museum Quality collector's tooth. Unfortunately there are no more teeth coming from this site. This is my best remaining Hexanchus symphyseal tooth!     

C401L          Size: 15/16"

Note - Adding 18 new Chilean Hexanchus teeth in February 2024 ->  Link to Hexanchus Teeth 

An ultra rare Top Quality Stegoceras validum dome (frontoparietal skull bone) from the late Cretaceous of northern North America. An April Fossil of the Month. Stegoceras is a smaller sized pachycephalosaurid dinosaur, and like Pachycephalosaurus, it is a dinosaur which is famous for its large domed head surrounded by spikes. This is excellent quality juvenile dome with good color / patina. No cracks or restoration. There is a small sheer on the left side that occured prior to fossilization since it has the natural patina. Otherwise a complete dome. An ultra rare Stegoceras dome!  Legally collected on private land in the Judith River Fm., Hill Co., Montana. An excellent collector's quality Stegoceras dome. Comes with a Riker display case. Authenticity guaranteed. You don't see Stegoceras domes very often. This is a very special, prefect little dome!  (Photo series = top, bottom, right side, left side, and rear).

DP50       SIZE: 2-5/8" x 2"   (1-1/2" thick)  

Note - Adding 13 new Pachy spikes, claws and teeth in April 2023.   Link to Pachy fossils catalog

An incredible polished Orthoceras plate showing the intricate internal chamber structure with one Orthoceras specimen exposed. Orthoceras measures 6" in length.  An attractive display piece!      Note: international shipping cost will be calculated. Please request quote.

M2033          Size: 6"

An incredible polished Orthoceras plate showing the intricate internal chamber structure with one Orthoceras specimen exposed. Orthoceras measures 5" in length.  An attractive display piece!      Note: international shipping cost will be calculated. Please request quote.

M2034          Size: 5"