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

A very rare, Top Quality Tyrannosaurus rex  tooth with a wicked break away; a possible sign of T.rex fighting breakage. This tooth measures 2-1/4". The enamel has excellent color and patina. Excellent anterior and posterior serrations. Base cross-section is a wide oval. One crack. No restoration. A top quality tooth! T-Rex was the apex during the late Cretaceous with massive teeth capable of crushing its prey. See the detailed description to determine how to tell a real T-Rex tooth! Legally collected on private land in the Hell Creek Fm., Harding, So. Dakota. Authenticity guaranteed. Note - a Riker frame display is included. 

DT09        SIZE:  2-1/4"   (Base: 7/8" x 1/2"+)

Note - Adding 8 T. rex teeth in March 2024.    Link to T. rex teeth -->  T. rex teeth

An excellent Burnhamia tooth. A difficult to find Devil ray species.

MC721         SIZE: 5/8"

An excellent Burnhamia tooth. A difficult to find Devil ray species.

MC723       SIZE: 7/16"

A TOP QUALITY Ophiura sp. Brittle Star specimen from Morocco. This rare Brittle Star measures 4-3/4" in length. Incredible detail. Excellent preservation and preparation. Ordovician age. This Brittle star is from El Caid Romi, Morocco. No restoration. Authenticity guaranteed. A top quality collector's piece. This is the real deal! This plate weighs 1.6 pounds. Note: An international  order with free shipping may incur a shipping surcharge cost. Please request quote. 

X181          SIZE:  4-3/4"  

Note - Adding 10 Brittle Star & Starfish specimens in February 2024.    Link to Brittle Stars

A Group of 3 TOP QUALITY LARGE Ophiuroides sp., a Brittle Star. These rare Brittle Stars measures 6"+ in length. Incredible detail. Excellent preservation and incredible preparation. Matrix size is 7" x 11". Ordovician age. This Brittle star is from El Caid Romi, Morocco. These are the real deal! No repair or restoration! Rare! A museum quality collector's piece. BEST of the BEST!  Be sure to see our selection Brittle Star fossils - see Other Fossils category.   Note: international shipping cost will be calculated. Please request quote.

X186           SIZE: 6"+

A Top Quality Tyrannosaurus rex Premaxillary (front) tooth from a big T. Rex. An October 2020 Fossil of the Month. This Rex crown measures 2-1/4" (straight line) and 1" thick. The enamel is the highest quality with no root etchings. Great dark chocolate brown color. Excellent serrations serrations. The tip is excellent with a small natural wear facet. No cracks. No breaks. A 100% natural tooth! A fantastic Premax Rex tooth!  T-Rex was the apex during the late Cretaceous with massive teeth capable of crushing its prey. See the detailed description to determine how to tell a real T-Rex tooth! Legally collected on privately deeded land in the Hell Creek Fm., Carter River Co., Montana. Authenticity guaranteed.  Note - a Riker frame is included. This is a top quality collector's tooth. Museum quality.

DT02 BoP3         SIZE: 2-1/4"   (1" W x 3/4" H)

Note - Adding 3 T. rex teeth in October 2020.  Link to T. rex teeth --> T. rex teeth

A gorgeous, very rare early Cretaceous Crioceras ammonite specimen from France.    

FR306    Size: 2-1/8"

A LARGE, Top Quality Carcharodon hastalis, the Broad-tooth Mako shark tooth from So.Carolina. Previously referred to as Isurus hastalis, but renamed to Carcharodon hastalis as a Great White shark ancestor. A lower jaw anterior tooth with a very nice flared lower crown section. Highest quality enamel. A TAN colored crown. Excellent color!  Sharp cutting edges. An excellent root – very wide. Excellent symmetry. No repair or restoration. An excellent collector's Mako tooth! Authenticity guaranteed.

SC312        SIZE: 2-7/16"   

Adding 18 SC Carcharodon hastalis teeth in October 2024.   ->  Link to SC Carcharodon hastalis teeth

A LARGE Quality, Megalodon tooth - an upper jaw tooth from Summerville, South Carolina. A wild Brown & Tan colored crown with white highlights. Good quality enamel. The bourlette is a large and multi-colored color. The serrations are worn. The root is brown color, wide, and complete. No repair or restoration. Authenticity guaranteed.  A crazy colored collector's Megalodon tooth. An excellent big Megalodon tooth from a scarce location!

SC004       Size: 5-5/8"  (4-5/8" wide)

Note - Adding 20 new SC Megalodon teeth in October 2025  ->  Link to SC Megalodon teeth.

A pair of rare Myliobatis latidens stinger spine. An Eagle ray species.

MC769      SIZE: 1/2"

A rare Myliobatis latidens stinger spine. An Eagle ray species. Nearly complete!

MC770        SIZE: 3/4"

 A rare Myliobatis latidens stinger spine. An Eagle ray species. Needle sharp!

MC771     SIZE: 1/2"