Search results for: 'sinonimos de caves 1'

A very rare, early Otodus obliquus anterior tooth from Kzil-Orda Region, Kazakhstan. Otodus obliquus is the ancestor to O. auriculatus (see detailed discussion below) which leads to Megalodon. The bourlette is large and complete. Exhibits no serrations. The starting species to serrated Otodus teeth. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene (Ypresian) Auriculatus transition tooth. A very challenging tooth to find when building a Megalodon evolutionary set! No repair. Authenticity guaranteed. Note - This western Kazakhstan site is one of the few places in the world where the Otodus obliquus to Otodus auriculatus transition can be found in adjacent early Eocene formation units. 

K561         SIZE: 1-1/4"

Note - Adding 24 Kazakh Auriculatus or transition teeth in July 2024. -->  Link to Kazakh Auriculatus teeth.

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. Excellent crown enamel. 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. 

I08        SIZE:  3-1/8" w/ root  (1-3/8" crown) 

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

A very rare, EXTRA 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. 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. 

I06        SIZE:  3-1/8" w/ root  (2-1/8" crown) 

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

A very rare, upper Triassic age Lissodus minimus tooth from the Aust Cliff,So. Gloucestershire, UK.  Very well preserved - excellent condition. Base of crown exposed

UK035            SIZE: 1/8"

A Top Quality Sterculia coloradensis + Allophyllus leaves from the Green River Fm., Cowboy Canyon, Bonanza Co., Utah. The Sterculia coloradensis + Allophyllus are trees from the Eocene age (48 MYA) in the ancient Lake Unita deposit. This piece exhibits exceptional preservation and excellent color. No repair or restoration. Authenticity guaranteed. This leaf comes with a custom made wooden stand and ID plate (see photo). It is ready to display. A special old collection display piece!  Note - this item weighs 4.2 lbs and will have an international shipping surcharge added to free shipping. Please note that quarries are now shut down.

GL32     SIZE: 3-5/8" x 4-1/8"  (3-3/8" Allophyllus)    Plate size: 6" x 6-1/4"

Note - Adding 24 Green River Fm. Fossil leaves in September 2023 --> Link to Green River Fossil Leaves

A RARE, Top Quality Saurornitholestes langstoni (raptor) tooth from Montana. Saurornitholestes langstoni, “Langston's lizard-bird thief”, is currently the only described Judith River Fm. raptor, and it is a close relative of Velociraptor. This tooth is 1/4"+ which is a typical size. The enamel is excellent with a great brown color. This species is known for large posterior serrations that will turn upwards. Excellent posterior (distal) and anterior (mesial) serrations. No repair or restoration. This is a Campanian age tooth (approx. 76 MYA). Legally collected on private land in the Judith River Fm., Hill Co., Montana. Authenticity guaranteed. This is your chance to own a rare, top quality Saurornitholestes langstoni tooth.  Note - A gem jar will be included as photographed.

DG10        SIZE: 1/4"+

Note - Adding 10 new Saurornitholestes teeth in February 2024     Link to Raptor (Dromaeosaur) catalog.

"The Best of West Java". An ultra rare, TOP QUALITY Megalodon - upper jaw anterior tooth from West Java, Indonesia. The "Perfect" West Java  Megalodon. This Megalodon has an incredible tan & light lavendar colored crown with a red-brown & gold colored bourlette. Highest quality enamel. Fantastic color! The bourlette is extra large and complete. The serrations are razor sharp with an excellent tip serration. Extra wide root. The display and reverse sides of the root are excellent with no shallow pitting which is common for a West Java Meg tooth. Miocene Age. No repair or restoration. Authenticity Guaranteed. Hard to beat a PERFECT West Java Meg tooth!  Note - This tooth comes with a custom display stand as shown in the final photo.

IN14        Size: 5-1/4"   (4-1/4")

Note - Adding 16+ Indonesian Megalodon Teeth in July 2020. -> Link To Indonesian Megs

A very rare, Top Quality Anchiceratops ornatus epoccipital (frill ornament) from the late Cretaceous of northern North America. Anchiceratops was a large ceratopsian dinosaur found in the Horseshoe Canyon formation which has three horns and a large frill protecting its neck. This epoccipital has excellent detail preserved and great color / patina. The epoccipitals were triangular bone ornaments that lined the top of the frill.  Note - this epoccipital  position is naturally asymmetrical  (see 2nd photo of right side). This epoccipital exhibits incredible detail and is very thick & heavy. Nearly complete specimen with minor crack fill. No repair or restoration. Legally collected on private land in Alberta, Canada. Authenticity guaranteed. Disposition number 000028-0000029.

DC64c         SIZE: 3-3/4" Height x 3-3/4" Wide  x 1-1/2" Thick

Note - Adding 17 Canadian bones & teeth in April 2025.    Link to Canadian Dinosaur fossils catalog

A rare fossil crab from Sumatra, Indonesia. This crab was deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A very unique collector's fossil. D201 is the high quality crab. Largest one found. Authenticity guaranteed.

D201       SIZE: 1-5/8" x 1"

Note - 4 new Sumatran fossil crabs added in January 2018.     Link to Sumatran teeth.

An Ultra Rare, Top Quality Onchopristis dunklei rostal tooth from the Kem Kem area of Morocco. Onchopristis dunklei was a smaller Cretaceous Saw shark which had teeth with three barbs. No repair or restoration. Authenticity guaranteed. This Saw shark species is rarely seen in Morocco. 

M1033 BoP        SIZE: 1-1/16"

Note – Adding 12 new Onchopristis teeth added in December 2019.  ->  Link to Onchopristis Catalog

A Top Quality Galeocerdo cuvier tooth, the Tiger shark, for sale from the Lee Creek mine, Aurora, No. Carolina.  Excellent color and condition. These teeth are Pliocene age from the Yorktown Formation. Near Perfect tooth. An excellent collector's tooth. Authenticity guaranteed.

LC424       SIZE: 1-1/8"

Note - Adding 30 Lee Creek Tiger shark teeth in February 2023.       Link to Lee Creek Tiger shark teeth.

A Top Quality Galeocerdo cuvier tooth, the Tiger shark, for sale from the Lee Creek mine, Aurora, No. Carolina.  Excellent color and condition. These teeth are Pliocene age from the Yorktown Formation. Near Perfect tooth. An excellent collector's tooth. Authenticity guaranteed.

LC423       SIZE: 1-1/16"

Note - Adding 30 Lee Creek Tiger shark teeth in February 2023.       Link to Lee Creek Tiger shark teeth.