Search results for: 'across française dure jeux à pyrit'

A very rare, High Quality Tyrannosaurus rex  tooth. This tooth measures 2-1/2". The enamel has an excellent color and patina. Very good mesial and distal serrations. Base cross-section is a extra large, tall oval. No hydration cracks. A small amount of crack fill and small sections were restored. A BIG high 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., Garfield Co., Montana. Authenticity guaranteed. Note - a Riker frame display is included. 

DT01        SIZE: 2-1/2   (Base: 1-5/16" x 1")

Note - Adding 16 T. rex teeth in June 2024.    Link to T. rex teeth -->  T. rex teeth

A Devonian sea floor slab with a Eldredgops (Phacops) rana milleri trilobite from the Silica Shale Formation of Ohio. The also three large pyrite replaced Paraspirifer bownockeri brachiopods, three Mucrospirifer mucronatus brachiopods, and other specimens. The Eldredgops has excellent detail on the compound eyes - very well preserved. The quality of the Silica Shale Fm. fossils are incredible. A rare sea floor specimen from the Middle Devonian (380 mya), Silica Shale Fm. from Lucas Co., Ohio. You don't see multi-species slabs for sale. A Museum Quality specimen. One of my favorites!  Note - This item weighs 9 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X101      Eldredgops  Size: 1-3/4"   ;    Paraspirifer  Size: 2-1/4" ;      Mucrospirifer Size: 1-1/8"

Note - Posting 5 trilobites in December 2021.  ->  Link to US Trilobites.

A very rare, colorful GEM Quality Tyrannosaurus rex  tooth. This tooth measures 2-1/16".  A June Fossil of the Month. The enamel has an exceptional two-tone color and patina (see Photos #2 & 3).  Incredible natural gloss. Exceptional mesial and distal serrations. Base cross-section is a tall oval. No hydration cracks. A small section on the distal carina is restored. 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., Butte Co., So. Dakota. Authenticity guaranteed. Note - a Riker frame display is included. 

DT12        SIZE: 2-1/16"   (Base: 1" x 9/16")

Note - Adding 16 T. rex teeth in June 2024.    Link to T. rex teeth -->  T. rex teeth

A well preserved Three Toed Horse tooth (Nannippus aztecus) from central Florida.  The Three Toed Horse evolved in North America during the Oligocene and became extinct during the early Pleistocene. Very well fossilized specimen. No repair or restoration. Authenticity guaranteed. 

XH06        Size: 1-1/2"  

Name: Nannippus aztecus 

Age:  Pliocene

Location: Central Florida,  Florida

Note - Posting 13 horse fossils in April 2024.     Link to Horse Fossils

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

An ULTRA RARE, Top Quality 5-7/8" Tyrannosaurus rex tooth with root. This crown measures 2-1/4" and is root thick (1-1/2"). The crown and root enamel has very good color and patina. Serrations are worn and there is some enamel peel. Tip end is worn round which is very typical with adult Rex teeth. Several cracks in the crown were filled and stabilized. The root has no hydration cracks - incredible quality. You will not find a better quality root! A top quality, massive Rex tooth from an adult T. Rex. 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., Garfield Co., Montana. Authenticity guaranteed. You will rarely see an adult rooted Rex tooth!  Note - Riker frame included.

DT02  BoP        SIZE: 5-7/8"   (1-1/2" W)

A very rare, LARGE, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Note - this tooth has a lot of pyrite and the tip is naturally rounded (polished)  which thought to be due to the vertical whipping motion used to slice prey.  Excellent preservation, serrations, and serration detail. The Edestus shark would have an upper and lower tooth whorl that are vertically opposed. Research showed that they could use their opposing teeth in a scissor-like motion or a vertical whipping motion to cut prey. It is the first animal to cut vertically. A very strange looking and unique acting shark. Shark recreation image is credited to Julio Lacerdo. These rare teeth are Pennsylvanian age from Illinois. No repair or restoration. Authenticity guaranteed. 

I09        SIZE:  4-1/8" w/ root  (1-7/8" crown) 

Adding 22 Edestus shark teeth in July 2025.    Link to Edestus shark.

A Top Quality Tyrannosaurus rex tooth from a small adult Rex. This Rex crown measures 2" (straight line) and is nicely exposed in its original Hell Creek Fm. matrix. The enamel is highest quality. Great rich dark chocolate brown color. Good anterior serrations (mostly covered) and exceptional serrations on the posterior side. There is a very small wear facet on the tip which is typical for a adult tooth from opposing teeth wear. Two cracks have been stalibized. No repair or restoration. A 100% natural tooth! Fantastic overall condition with incredible serrations for a large Rex tooth. A fantastic collector's 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., Garfield Co., Montana. Authenticity guaranteed. A fantastic display piece! 

DT04 BoP2         SIZE: 2"   (7/8" W)

Note - Adding 2 T. rex teeth in February 2020.  Link to T. rex teeth --> T. rex teeth

A Top Quality Tyrannosaurus rex tooth. This is a large Premaxillary tooth ("Premax") or front tooth in the jaw which have a "D" shape. An October Fossil of the Month. This Premax Rex crown measures 2-3/16" and is very thick for its size (1"). The enamel is highest quality. Great rich chocolate brown color. The serrations are exceptional going to the tip. There is essentially no wear facet at the tip which is not typical for a Premax tooth. One small crack, but no break. No repair or restoration. A 100% natural tooth! Fantastic overall condition with incredible serrations for a large Premax Rex tooth. An exceptional 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., Garfield Co., Montana. Authenticity guaranteed. Museum Quality. Note - a Riker frame is included.

DT04 BoP          SIZE: 2-3/16"   (1" x 5/8" cross scetion)

A GEM Tyrannosaurus rex tooth from an adult Rex. This Rex crown measures 2-13/16" and is very thick (1-1/8"). The enamel is highest quality. Great rich dark brown color. Exceptional serrations that are near complete all the way to the tip on the anterior and posterior sides with the slightest tip wear. Note - This is a recently erupted tooth that is essentially serrated to the tip - quite rare. No cracks, repair or restration. A 100% natural tooth! Exceptional overall condition for a big Rex tooth. A very special 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., Powder River Co., Montana. Authenticity guaranteed.  Note - a Riker frame is included. One of the best T-rex teeth that I have offered!  Museum Quality.

DT02          SIZE: 2-13/16"   (1-1/8" W)

A Top Quality, CLASSIC Bone Valley Megalodon tooth from Venice, Florida. Our last Fossil of the Month offering for December. The crown has a fantastic dark green-gray colored enamel with dark swirls across the top - very unusual! The bourlette is black & eroded and the root is an off white. Great color! Few hydration cracks! The serrations are sharp with some damage. Authenticity guaranteed. An incredibly colored Megalodon tooth. An excellent Venice Meg from the "early days."

F001 BoP4        Size: 3-1/8"

Note - Adding 18 new Bone Valley Fm. Megalodon teeth in Dec. 2017.      Link to the BV Meg teeth.        

A Top Quality, Triceratops horridus brow horn section from the late Cretaceous of northern North America. Triceratops was a large ceratopsian dinosaur found in the Hell Creek formation which is known for three horns and the large frill protecting its neck. This is a great brow horn wedge section with excellent detail preserved. You can see all of the natural blood grooves across the surface of this horn. No repair or restoration. 100% natural specimen. Legally collected on private land in Carter Co., Montana. Authenticity guaranteed. 

DC56         SIZE: 2-3/4" Wide x 1-1/4" Thick

Note - Adding 15 new Triceratops bones in September 2025.       Link to Triceratops fossils catalog