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

An ultra rare, Top Quality lower jaw lateral Hexanchus tooth - the Sixgill Cow shark, from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich blue & tan crown with a tan root. Eleven main cusps (all complete). Please note that this tooth is from a back up row. and the root is not fully developed.  Incredible color and preservation. These are Pliocene age, Yorktown Formation teeth. A Perfect tooth. A fantastic collector's tooth. Authenticity guaranteed. Complete Lee Creek Hexanchus teeth are rarely found, and this is the first time that I can offer them!

LC637         Size: 1-9/16"

Note - Adding 39 Lee Creek Cow Shark teeth in February 2023        Link to Lee Creek Cow shark teeth.

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 and patina. Well preserved vascular channels. Typical 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.  I do not see large top quality ostederms very often.

DK24         SIZE: 4-1/8"  x  3-1/4" 

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

An ultra rare, Quality lower jaw lateral Hexanchus tooth - the Sixgill Cow shark, from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich blue & tan crown with a brownroot. Ten main cusps (all complete). Yes, the root has cracks on the display side, but the tooth never broke and has been quite sturdy.  Incredible color and preservation. These are Pliocene age, Yorktown Formation teeth. A fantastic collector's tooth. Authenticity guaranteed. Complete Lee Creek Hexanchus teeth are rarely found, and this is the first time that I can offer them!

LC633         Size: 1-5/8"

Note - Adding 39 Lee Creek Cow Shark teeth in February 2023        Link to Lee Creek Cow shark teeth.

An ultra rare, Top Quality Parotodus benedeni tooth from the Ica region of Peru. A July Fossil of the Month. Highest quality enamel. An excellent tan colored crown with clean edges. Excellent color. This is a late Miocene age tooth (6-8 MYA). Please note that there is an ~1/4" wedge restored on inside of the left root end. A desert shark from the deserts of Peru! Authenticity guaranteed. You never see Parotodus benedeni teeth from Peru. One of the rarest Parotodus teeth. This is the first one that I have seen!

P101  BoP        SIZE: 2-1/4"

Note - Adding 3 Peruvian Parotodus teeth in July 2021 ->  Link to Parotodus Teeth

A large, very rare Parotodus benedeni lateral tooth.

K956        SIZE: ~7/8"

A large, very rare Parotodus benedeni lower jaw tooth.

K957           SIZE: 13/16"

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 rare 3-1/4" Top Quality Suwnaee River Auriculatus tooth with an incredible green color.  An exceptional upper jaw anterior tooth. Another September 2018 Fossil of the Month. Highest quality enamel! Excellent color & preservation. The bourlette is complete. The serrations are large, razor sharp and essetially complete with a nicked tip serration. Excellent side cusps. Incredible serrations for an extra large Ric tooth. The root is complete with essentially no hydration cracks. It is very hard to find these teeth in perfect condition. A extra large collector's Suwanee River Auriculatus tooth! Rare color and size. Authenticity guaranteed.

F401             SIZE: 3-1/4" 

A large, very rare Parotodus mangyshlakensis lateral tooth. A very challenging species to locate!

K932         SIZE: 15/16"

A large, very rare Parotodus mangyshlakensis anterior tooth. A very challenging species to locate!

K933         SIZE: 7/8"