Search results for: 'book evolution palm à frill revêtue'

A rare Top Quality Triceratops horridus caudal vertebra from the late Cretaceous of northern North America. A November Fossil of the Month. Triceratops was a large ceratopsian dinosaur found in the Hell Creek formation which is known for three horns and a large frill protecting its neck. This is a caudal (tail) vertebra with exceptional detail preserved with great color and patina. You can see the vertebra surface is very rugous and the vertebra is very thick with a very round centra which are characteristics of Triceratops and distinguishes it from a Hadrosaur. Triceratops bones are more difficult to find. Please note that the left transverse porcess and the spinous process were professionally restored. This is now specimen compete. It is extremely rare to find vertebra that are complete. Legally collected on private land in Powder River Co., Montana. It comes with the custom steel stand as shown. A fantastic fossil overall for display. Authenticity guaranteed. An excellent big Triceratops vertebra. Note - International buyers will incur shipping cost. Weighs 3.7 pounds with stand.

DC31         SIZE: 9" Height x 10" Wide x 2-1/2" Length  ;  Height on stand =  12"

Note - Adding 14 new Triceratops bones in November 2024.       Link to Triceratops fossils catalog

A Very Rare, Top Quality (Gem) Rolfodon ludvigseni tooth from Hornby Island, British Columbia, Canada. An August Fossil of the Month. This is a new genius from the Late Cretaceous deep water Northumberland Formation deposit. A unique species of Chlamydoselachiform shark, the Frill shark. These teeth exhibit classic Frill shark design with a central cusp flanked by two lateral cusps. A lateral tooth. The crown is complete and the root is complete. Note - two crown ends were very neatly reattached without fill or gaps which is typical for a matrix free specimen. Crack lines are hard to see without magnification. Highest quality enamel. No repair. A very difficult tooth to locate and an excellent collector's tooth. Authenticity guaranteed. This incredible specimen is from a 20 year old collection. A fantastic Frill shark specimen!

CD92              SIZE: 5/16"  Wide 

Note - Adding 64 Hornby Island deep water shark teeth.   ->   Link to all Hornby Island shark teeth.

A Top Quality Cretoxyrhina mantelli tooth from Ness Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. 

KS014            SIZE: 11/16"

Note - Adding 15  new  Cretoxyrhina mantelli teeth in April 2020.   Link to Kansas Cretoxyrhina teeth

A HIgh Quality Cretoxyrhina mantelli tooth from Ness Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. 

KS013            SIZE: 11/16"

Note - Adding 15  new  Cretoxyrhina mantelli teeth in April 2020.   Link to Kansas Cretoxyrhina teeth

A Top Quality Cretoxyrhina mantelli tooth from Ness Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. Perfect tooth.

KS012            SIZE: 3/4"

Note - Adding 15  new  Cretoxyrhina mantelli teeth in April 2020.   Link to Kansas Cretoxyrhina teeth

A Top Quality Cretoxyrhina mantelli tooth from Ness Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. Near Perfect tooth.

KS011            SIZE: 15/16"

Note - Adding 15  new  Cretoxyrhina mantelli teeth in April 2020.   Link to Kansas Cretoxyrhina teeth

A Top Quality Cretoxyrhina mantelli tooth, the Ginsu shark, from Gove Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. Near Perfect tooth.

KS010            SIZE: 11/16"

Note - Adding 10 new Cretoxyrhina mantelli teeth in June 2023.    Link to Kansas Cretoxyrhina teeth

A Top Quality Cretoxyrhina mantelli tooth, the Ginsu shark, from Gove Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. Near Perfect tooth.

KS009            SIZE: 1-1/16"

Note - Adding 10 new Cretoxyrhina mantelli teeth in June 2023.    Link to Kansas Cretoxyrhina teeth

A LARGE, Top Quality Cretoxyrhina mantelli tooth, the Ginsu shark, from Gove Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. Near Perfect tooth.

KS008            SIZE: 1-1/4"

Note - Adding 10 new Cretoxyrhina mantelli teeth in June 2023.    Link to Kansas Cretoxyrhina teeth

A Top Quality Cretoxyrhina mantelli tooth from Gove Co., Kansas. This specimen is on its original Niobrara Chalk Fm. matrix. An excellent example of this Cretaceous shark. Authenticity guaranteed. 

KS015            SIZE: 9/16"

Note - Adding 15  new  Cretoxyrhina mantelli teeth in April 2020.   Link to Kansas Cretoxyrhina teeth

A LARGE, Top Quality Cretoxyrhina mantelli tooth, the Ginsu shark, from Gove Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. Crack in crown. Near Perfect tooth.

KS007            SIZE: 1-5/16"

Note - Adding 10 new Cretoxyrhina mantelli teeth in June 2023.    Link to Kansas Cretoxyrhina teeth

An EXTRA LARGE, Top Quality Cretoxyrhina mantelli tooth, the Ginsu shark, from Gove Co., Kansas. A June Fossil of the Month. An excellent example of this Cretaceous shark. Authenticity guaranteed. Near Perfect tooth.

KS002            SIZE: 1-15/16"

Note - Adding 10 new Cretoxyrhina mantelli teeth in June 2023.    Link to Kansas Cretoxyrhina teeth