Search results for: 'blue bases taxable river'

"The Color Collection - North of the River"  An EXTRA LARGE, TOP QUALITY, upper jaw anterior Isurus planus tooth from the Sharktooth Hill area, California. This tooth is displayed on its original Round Mountain silt matrix along with a Hastalis tooth. Beautiful white crown with an excellent tan colored root. The whitest natural color you can get at Sharktooth Hill. Excellent preservation. A Middle Miocene age tooth. Incredible color!  An excellent collector's Mako tooth. Authenticity guaranteed. This is a great display piece from the Ernst Slow Bend Quarry.

ST302M            SIZE: 1-15/16"  (plus a 1-1/8" Hastalis)

Note - Adding 34 colorful Isurus planus teeth in January 2022.  -->  Link to Isurus planus teeth.

Note - Adding 12 Sharktooth Hill display pieces in Feb. 2022.    Link to STH Display Items

A Top Quality, Classic Lee Creek Megalodon upper jaw tooth. This Megalodon has an incredible light tan colored crown with an excellent brown bourlette. Highest quality enamel. Exceptional color!  The serrations are razor sharp with an excellent needle-like tip serration. Serrations are just about 100% complete (1 with minor damage). The root is an excellent tan color with small hydration cracks and absolutely complete. This Megalodon was found in the Pungo River Formation, Lee Creek mine, Aurora, No. Carolina (Miocene age = 14.5 MYA). An excellent tooth from the old days at Lee Creek mine! No repair or restoration. Authenticity guaranteed. An excellent Lee Creek Meg tooth!

LC008           Size: 3-5/8"

Note - Adding 8 new Lee Creek Meg & Chub teeth in February 2023 -> Link to LC Megs  & Chubs

A RARE, Top Quality Acheroraptor temertyorum (raptor) tooth. Acheroraptor temertyorum is one of two recently described Hell Creek Fm. raptors. This tooth is 1/4" which is a typical size. The enamel is excellent with a great dark brown color. Multiple prominent longitudinal "ribs" run the length of the crown. Excellent large posterior and small anterior serrations. See unique crown characteristic discussion below. No cracks. No repair. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Note - 2013 Acheroraptor description paper attached below. Authenticity guaranteed. This is your chance to own a rare, top quality Acheroraptor temertyorum tooth.  Note - A gem jar will be included as photographed.

DR20        SIZE: 1/4"+

Note - Adding 10 new Acheroraptor teeth in August 2022      Link to Raptor (Dromaeosaur) catalog.

A RARE, Top Quality Acheroraptor temertyorum (raptor) tooth. Acheroraptor temertyorum is one of two recently described Hell Creek Fm. raptors. This tooth is 5/16" which is a typical size. The enamel is excellent with a great dark brown color. Multiple prominent longitudinal "ribs" run the length of the crown. Excellent large posterior and small anterior serrations. See unique crown characteristic discussion below. No cracks. No repair. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Note - 2013 Acheroraptor description paper attached below. Authenticity guaranteed. This is your chance to own a rare, top quality Acheroraptor temertyorum tooth.  Note - A gem jar will be included as photographed.

DR19       SIZE: 5/16"

Note - Adding 10 new Acheroraptor teeth in August 2022      Link to Raptor (Dromaeosaur) catalog.

A RARE, Top Quality Acheroraptor temertyorum (raptor) tooth. Acheroraptor temertyorum is one of two recently described Hell Creek Fm. raptors. This tooth is 3/8" which is a typical size. The enamel is excellent with a great dark brown color. Multiple prominent longitudinal "ribs" run the length of the crown. Excellent large posterior and small anterior serrations. See unique crown characteristic discussion below. No cracks. No repair. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Note - 2013 Acheroraptor description paper attached below. Authenticity guaranteed. This is your chance to own a rare, top quality Acheroraptor temertyorum tooth.  Note - A gem jar will be included as photographed.

DR18       SIZE: 3/8"

Note - Adding 10 new Acheroraptor teeth in August 2022      Link to Raptor (Dromaeosaur) catalog.

A rare, Top Quality Anzu wyliei hand bone from the Hell Creek Fm. of Montana. Anzu is referred to as the "Chicken from Hell". An excellent hand bone. Note that this is the last digit prior to the claw. Excellent brown color and patina. This specimen has excellent perservation. Note that the hand bones are quite thin and most do not survive. This one is complete. A top quality, collector's hand bone from the Hell Creek of Montana. Note - 2014 Anzu wyliei description paper attached below. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. Museum Quality. These are rare hand bones to find.

DA17       Size: 3-1/4"  ;  thickness:   7/16"

Note - Adding 14 Anzu wyliei bones & claws in September 2022.   Link to Anzu wyliei claws.

A High Quality Edmontosaurus annectens lower jaw section from the late Cretaceous of North America. 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 small section of the lower jaw showing two grooves where the columns of teeth were positioned. Bone quality is very good. No restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Edmontosaurus jaw section.  Authenticity guaranteed.

DH36        SIZE: 1-13/16"    

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

A Top Quality Edmontosaurus annectens lower jaw section from the late Cretaceous of North America. 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 section of the lower jaw showing the grooves where the columns of teeth were positioned. Bone quality is excellent. No restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Edmontosaurus jaw section.  Authenticity guaranteed.

DH35        SIZE: 4-1/4" length x 3" height

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

A LARGE Top Quality, Rare Pachychephalosaurus wyomingensis spike from the late Cretaceous of northern North America. Excellent articulation. This is a large neck spike with deep blood grooves. 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 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 spike. You don't see these skull pieces very often. No repair or restoration. Authenticity guaranteed. My largest Pachy  neck spike.

DP39       SIZE: 2-5/16"   (1-1/16" W) 

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

A rare EXTRA LARGE, Top Quality Edmontosaurus annectens hand claw (manus ungual) 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. As noted by the front leg size difference, Edmontosaurus could put little weight on them. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Edmontosaurus manus ungual.  Authenticity guaranteed.  Note - Edmontosaurus carpal bones and unguals are very scarce. I rarely see them. This specimen is exceptional.

DH45        SIZE: 2-5/8" (length)  1-7/8" (width)

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

An ultra rare, Top Quality Struthiomimus altus hand (manus) claw from the late Cretaceous of North America. A November Fossil of the Month.  Struthiomimus is a long legged, bipedal, toothless dinosaur found in the Hell Creek formation. The Struthiomimus means "ostrich mimic" which best describes this species. Exceptional bone quality and color. Excellent bone preservation. The tip was repaired which is quite common for claws. Legally collected on private land in the Judith River Fm., Hill Co., Montana. An excellent collector's quality Struthiomimus manus claw.  Authenticity guaranteed. You rarely see a Struthiomimus manus claw.  Specimen comes with a Riker display case.

DS16        SIZE: 2-3/16"   (Proximal end: 7/16" height x 3/8" wide)