Search results for: 'bone evolution planus à frill revêtue'

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.

An EXTRA LARGE, High Quality Ankylosaurus osteoderm (bony armor plate) from the late Cretaceous of northern North America. An August Fossil of the Month. 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. Some natural crack. No 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. Note - Osteoderm weighs 1.5 lbs. An international shipping surcharge will be added to "free shipping".

DK21         SIZE: 5-1/2"  x  4-1/2" 

Note - Adding 10 new Ankylosaurus - Nodosaur fossils in August 2021.       Link to Ankylosaur fossils catalog.

A LARGE, Top Quality shrimp burrow - Ophiomorpha nodosa from the Chipola River, Florida. Highest quality and complete. Miocene age - Chipola Fm (16 mya). No repair or restoration. Authenticity guaranteed. 

F964       SIZE: 3-1/2" height  x  3-7/8" width

Note - Adding shark vertebra, whale, Manatee, Marlin & shrimp fossils in January 2024.  ->  Link to Shrimp Burrow

A Top Quality Trichechus sp. vertebra - Manatee from the Withlacochee River, Florida. Highest quality, nicely articulated, and essentially complete. Pleistocene age (1.6 mya). No repair or restoration. Authenticity guaranteed. 

F961       SIZE: 4" width x  4-7/4" height  x  2-3/8" width

Note - Adding shark vertebra, whale, Manatee, Marlin & shrimp fossils in January 2024.  ->  Link to Shrimp Burrow

An EXTRA LARGE, Top Quality Ankylosaurus osteoderm (bony armor plate) from the late Cretaceous of northern North America. Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds, and a body covered with this bony armor. A complete body osteoderm plate from an adult Ankylosaurus. The bone quality is excellent with excellent color and patina. This osteoderm has a high ridge on one side. There are some hydration cracks and crack fill. No restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. An excellent collector's quality Ankylosaur osteoderm. A thick and heavy osteoderm.

DK23         SIZE: 6-1/2"  x  4-3/8"  (Height = 1-3/4" on high side)

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

An EXTRA LARGE, Top Quality Ankylosaurus osteoderm (bony armor plate) from the late Cretaceous of northern North America. A June Fossil of the Month. Ankylosaurus magniventris was the largest Ankylosaur which grew to 30 feet and 17000 pounds, and a body covered with this bony armor. A complete body osteoderm plate from an adult Ankylosaurus. The bone quality is exceptional with excellent color and patina. Well preserved vascular channels. This osteoderm also has a high ridge on one side. A couple of very small hydrations cracks only. No restoration. Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Authenticity guaranteed. A fantastic collector's quality Ankylosaurus osteoderm. BEST quality and complete. Note - Osteoderm weighs 2.5 lbs. An international shipping surcharge will be added to "free shipping".

DK23         SIZE: 5-1/2"  x  5-1/4"  (Height = 2-1/4" on high side)

Note - Adding 9 new Ankylosaur - Nodosaur fossils in June 2024.       Link to Ankylosaur fossils catalog.

An ultra rare, Top Quality Judith River Nodosaur body spike from the late Cretaceous of North America. AJune Fossil of the Month. The Campanian age Nodosaurs grew to 22 feet and 6000 pounds, and a body covered with this bony armor with body spikes along the edge of the body (see Edmontonia photo). Edmontonia is the named Two Medicine Fm. Nodosaur which is a good proxy to the currently undescribed Judith River Fm. Nodosaur. The bone is excellent quality with excellent color / patina. A complete side armor spike from a large Nodosaur. ~72 MYA. Note - there is less than 10% professional restoration in small areas for aesthetic purposes at the base. Legally collected on private land in the Judith River Fm., Hill Co., Montana. Authenticity guaranteed. An ultra rare collector's quality Ankylosaur body spike. I have only seen two of the spikes available in the market place. Incredibly rare and super cool. It was found in the 1940s!

DK29  BoP       SIZE: 5-1/2"  (Base:  3" x 2-3/8")   

Note - Adding 9 new Ankylosaur - Nodosaur fossils in Juine 2024.    Link to Ankylosaur fossils catalog.

An Extra Large, TOP QUALITY, 3" Carcharodon (Isurus) hastalis tooth with an excellent blue & tan colored crown. A March Fossil of the Month. This is a natural matrix specimen sitting with many whale bones in the original Round Mountain Silt matrix block. The large whale bone at base is 5-3/4" x 3". Plus there are four more whale bones and a shark vertebra exposed in this matrix block. This is a 100% natural matrix piece - nothing added or glued. 100% natural. The root is very well preserved with a nice brown color. Very clean crown. Excellent overall preservation. A fantastic large, quality Mako tooth from the Ernst West quarry which produced the finest teeth with exceptional preservation, high quality, and great color. No repair or restoration. Authenticity guaranteed. A very special display piece.

ST001  BoP2     SIZE: 2-3/4"      Matrix block size = 6" x 5.5" x 3" height

Note - Adding 20 Sharktooth Hill Hastalis teeth in March 2021.    Link to STH Hastalis 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 Excellent gray colored Megalodon tooth from Florida. These Megs are Miocene age - about 10 MYA from the Bone Valley Fm. of Florida. Megalodon teeth are great for gifts, class room, or starting your fossil shark tooth or Megalodon collection.  Authenticity guaranteed.  Note - All "First Megalodon" teeth come with a 4"x5" Riker frame with label plus an identification card.  Note - Be sure to see all of our My First Megalodon offerings.

MFM45        Size: 2-7/16"

Note - Adding 8 new Bone Valley My First Megalodon teeth in Nov. 2023   -->   Link to My First Megalodon

An Excellent gray colored Megalodon tooth from Florida. These Megs are Miocene age - about 10 MYA from the Bone Valley Fm. of Florida. Megalodon teeth are great for gifts, class room, or starting your fossil shark tooth or Megalodon collection.  Authenticity guaranteed.  Note - All "First Megalodon" teeth come with a 4"x5" Riker frame with label plus an identification card.  Note - Be sure to see all of our My First Megalodon offerings.

MFM44        Size: 2-9/16"

Note - Adding 8 new Bone Valley My First Megalodon teeth in Nov. 2023   -->   Link to My First Megalodon

An Excellent silver colored Megalodon tooth from Florida. These Megs are Miocene age - about 10 MYA from the Bone Valley Fm. of Florida. Megalodon teeth are great for gifts, class room, or starting your fossil shark tooth or Megalodon collection.  Authenticity guaranteed.  Note - All "First Megalodon" teeth come with a 4"x5" Riker frame with label plus an identification card.  Note - Be sure to see all of our My First Megalodon offerings.

MFM43         Size: 2-3/4"

Note - Adding 8 new Bone Valley My First Megalodon teeth in Nov. 2023   -->   Link to My First Megalodon