Search results for: 'bone evolution paper à first revêtue'

A rare, Top Quality Bone Valley Mako shark tooth from Golden Beach, Florida with great color! Commonly referred to as Isurus hastalis, but renamed to Cosmopolitodus hastalis or Carcharodon hastalis as a Great White shark ancestor. Highest quality enamel. A glossy blue colored crown. Excellent color! Sharp cutting edges. An excellent tan root. Great eye appeal. Extra large white gum line -very unique! A rare Bone Valley collector's Mako tooth. No repair or restoration. Authenticity guaranteed. You don't see these Mako teeth very often!

F112      SIZE: 1-1/4"   

Note - Adding 10+ new BV Isurus hastalis teeth in June 2019.  ->  Link to BV Isurus hastalis teeth

A rare, Top Quality Bone Valley Mako shark tooth from Golden Beach, Florida with great color! Commonly referred to as Isurus hastalis, but renamed to Cosmopolitodus hastalis or Carcharodon hastalis as a Great White shark ancestor. Highest quality enamel. A glossy blue colored crown. Excellent color! Sharp cutting edges. An excellent tan root. Great eye appeal. Extra large white gum line -very unique! A rare Bone Valley collector's Mako tooth. No repair or restoration. Authenticity guaranteed. You don't see these Mako teeth very often!

F113      SIZE: 1-3/8"   

Note - Adding 10+ new BV Isurus hastalis teeth in June 2019.  ->  Link to BV Isurus hastalis teeth

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

A Top Quality Edmontosaurus annectens metatarsal bone from the late Cretaceous of North America. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Hell Creek formation. The metarsals were the largest toe bones. This bone is metatarsal VI from toe 4 from the right foot.  Bone quality is excellent. Minor crack fill. No restoration. Legally collected on private land in the Hell Creek Fm., Harding Co., So. Dakota. An excellent collector's quality Edmontosaurus metatarsal  bone. Authenticity guaranteed. Note - specimen weighs 2.7 lbs and will require supplemental postage for international order.

DH49        SIZE: 8-1/4" length x  4" wide  

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

A Top Quality Edmontosaurus annectens metatarsal bone from the late Cretaceous of North America. Edmontosaurus is a very large hadrosaur or "duck-bill" dinosaur found in the Hell Creek formation. The metarsals were the largest toe bones. This bone is metatarsal II from toe 2 from the left foot.  Bone quality is excellent. Minor crack fill. No restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Edmontosaurus metatarsal  bone. Authenticity guaranteed. Note - specimen weighs 3.5 lbs and will require supplemental postage for international order.

DH48        SIZE: 10-1/8" length x  6" wide  

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

An EXTRA LARGE, Top Quality Struthiomimus altus upper toe bone or metatarsal (from toe III - metatarsal - the arctometatarsal) from the late Cretaceous of North America. Struthiomimus is a long legged, bipedal, toothless dinosaur found in the Hell Creek formation. The Struthiomimus means "ostrich mimic" which best describes this species. This is metatarsal III which is an arctometatarsals, a shaped wedged metatarsal that strengthened the foot and improved agility. Arctometatarsals are present in Tyrannosaurs, Ornithomimimids and a few other dinosaur species. Excellent bone quality and color. This metatarsal bone is nearly complete. Excellent bone preservation. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Struthiomimus metatarsal bone.  Authenticity guaranteed. 

DS01        SIZE: 7-1/2" (length) x 2" (wide)  

Note - Adding 16 Struthiomimus bones & claws in August 2024.    Link to Struthiomimus fossils catalog

An EXTRA LARGE, Top Quality Struthiomimus altus upper toe bone or metatarsal from the late Cretaceous of North America. Struthiomimus is a long legged, bipedal, toothless dinosaur found in the Hell Creek formation. The Struthiomimus means "ostrich mimic" which best describes this species. An execellent metatarsal bone. Big and heavy. Excellent brown color and patina. This specimen has very good overall perservation. A complete specimen with some natural crushing on the rear side and minor crack fill. A high quality, collector's metatarsal bone from the Hell Creek of Montana. Excellent bone preservation. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. An excellent collector's quality Struthiomimus metatarsal bone.  Authenticity guaranteed. 

DS20        SIZE:  Size: 13-1/4"  ;  End widths:  2-1/4"  &  2-1/2"  

Note - Adding 16 Struthiomimus bones & claws in August 2024.    Link to Struthiomimus fossils catalog

A rare, EXTRA LARGE, GEM Quality Anzu wyliei hand (manus) claw from the Hell Creek Fm. of SE Montana. A February Fossil of the Month. Anzu is referred to as the "Chicken from Hell". A fantastic manus claw. This is 1st manus claw which is largest and most robust; often referred as the "thumb". Excellent rich brown color and patina. This specimen has incredible preservation - no pitting, nicks or wear. All surfaces are fantasic - very rare. Note - a small tip area was professionally restored which is typical for most Hell Creek claws. The repair is quite small with the repaired area being 5 mm on the right facing side of the tip. On the left facing side of tip, it is 1-2 mm. This is top quality, collector's claw 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., Powder River Co., Montana. Authenticity guaranteed. A very special Museum Quality specimen. Note - a Riker display frame will be included. This is one of my finest dinosaur claws that I have had. The BEST!

DA01       Size: 3-11/16" (straightline)    Size: 4-5/8" (curve)   Proximal end height: 1-7/8" 

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

A rare, GEM Bone Valley Mako shark tooth from Polk Co., Florida with a "wicked hooked" crown with a cool cutting edge wave. A June Fossil of the Month offering. Commonly referred to as Isurus hastalis, but renamed to Cosmopolitodus hastalis or Carcharodon hastalis as a Great White shark ancestor. Highest quality enamel. A very glossy caramel tan colored crown. Exceptional color! Razor sharp cutting edges that are nick free! An excellent white root – extra wide. Great eye appeal. A BIG Bone Valley collector's Mako tooth. The PERFECT BV Mako tooth. No repair or restoration. Authenticity guaranteed. The BEST! You don't see these Mako teeth very often!

F101 BoP        SIZE: 2-5/16"   (1-5/8" W)

Note - Adding 10+ new BV Isurus hastalis teeth in June 2019.  ->  Link to BV Isurus hastalis teeth

A Top Quality Edmontosaurus humerous bone from the late Cretaceous of North America. An April Fossil of the Month. 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. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. An excellent collector's quality Edmontosaurus humerous bone.  Authenticity guaranteed. Note - Shipping weight is 4 pounds. International customers will pay a shipping charge.

DH38        SIZE: 14-3/4" (length) ;  4" & 3" (each end width)

Note - Adding 22 Edmontosaurus bones / claws in April 2024.       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. 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 some crack fill. Bone quality is excellent. No restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. An excellent collector's quality Edmontosaurus ulna bone.  Authenticity guaranteed. An ulna bone from an adult Edmontosaurus. Note - This items weighs 3.3 pounds and an international shipping surcharge will be applied to the "free shipping" offer.

DH37        SIZE: 18"  x  3"  x  2-5/8"    

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