Search results for: 'recta de estudios 1 cave en chile vista'

A LARGE, Top Quality Makairia rostrum - Marlin from the Peace River, Arcadia, Florida. Highest quality, nicely articulated, and complete. Miocene age - Bone Valley Fm (8 mya). No repair or restoration. Authenticity guaranteed. 

F963       SIZE: 6-5/8" length  x  1-3/16" width

Note - Adding shark vertebra, whale, Manatee, Marlin & shrimp fossils in January 2024.  ->  Link to Shrimp Burrow

A Top Quality Trichechus sp. rib bone - Manatee from the Withlacochee River, Florida. Highest quality, nicely articulated, and nearly complete. Pleistocene age (1.6 mya). No repair or restoration. Authenticity guaranteed. 

F962       SIZE: 14" length (on curve)  x  2-1/4" width

Note - Adding shark vertebra, whale, Manatee, Marlin & shrimp fossils in January 2024.  ->  Link to Shrimp Burrow

A scarce, EXTRA LARGE Top Quality Cretolamna twiggensis shark tooth from the Richmond area, Virginia. Nice black color. Excellent preservation and condition. An Eocene age tooth. These teeth are not commonly found and seen. A rare collectors' tooth. Authenticity guaranteed.    

VA61           SIZE: 1-9/16"

Posting 22 scarce Virginia shark teeth in September 2021.     Link to Virginia teeth.

A Top Quality Cretoxyrhina mantelli, an extinct Mackerel (Odontid) shark tooth from Travis Co., Texas. An excellent example of this Late Cretaceous South Bosque Shale (Eagle Ford) Fm. shark. An anterior tooth. Authenticity guaranteed. Perfect tooth. 

T064           SIZE: 1-3/16"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

An Ultra Rare, Hexanchus griseus tooth from the Sacaco area of Peru. This is complete lower jaw tooth. Good preservation and color. An excellent complete root. Note - there is a crackwhich was repaired. Authenticity guaranteed. Unfortunately there are no more teeth coming from this site. This is a piece from an old collection.

P757       SIZE: 1"

A LARGE, Top Quality very rare Echinorhinus blakei, Bramble shark, tooth from Pyramid Hill, California. An extremely difficult shark tooth to find. Perfect cusps. This is an early Miocene tooth from the Jewitt Sand Formation. An excellect quality collector's tooth! No repair or restoration. Authenticity guaranteed. A gem jar display is included.

ST225                SIZE: ~1/2"

A LARGE, Top Quality very rare Echinorhinus blakei, Bramble shark, tooth from Pyramid Hill, California. An extremely difficult shark tooth to find. Perfect cusps. This is an early Miocene tooth from the Jewitt Sand Formation. An excellect quality collector's tooth! No repair or restoration. Authenticity guaranteed. A gem jar display is included.

ST222                SIZE: 1/2"

A Metasequoia occidentalis (Dawn Redwood) branch from Beaverhead Co., Montana. The Metasequoia  evloved in late late Cretaceous and survived the end of the Mesozoic extinctions. Three branches. Great preservation. Found in the Muddy Creek Fm. -  Oligicene age. Authenticity guaranteed. 

PL06       Size: 2-1/2" (straighline)

Note - Adding 6 Metasequoia  branch specimens in October 2024.      Link to Fossil leaves fossils.

A very rare, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. An incredible brown colored specimen - very unusual. 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. 

I10        SIZE:  3-1/2" w/ root  (1-5/8" crown) 

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

A Top Quality, Triceratops horridus toe bone (pes digit) from the late Cretaceous of northern North America. Triceratops was a large ceratopsian dinosaur found in the Hell Creek and Lance Creek formations which is know for three horns and the large frill protecting its neck. This is a great toe bone with excellent detail preserved and good color / patina. The last toe bone for digit 2 or 3 . You can see the "mushroom" appearance of proximal ends which is a characteristic of Triceratops and distinguishes it from a Hadrosaur toe bone. Triceratops bones are more difficult to find. Absolutely no wear. No repair or restoration. 100% natural specimen. Legally collected on private land in Harding Co., So. Dakota. Authenticity guaranteed. 

DC36         SIZE: 2-1/2" wide x 2" long  x 1-5/8" height

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

New   Extra Large antero-lateral Serratotlamna tooth in excellent condition. Beautiful golden tan color. 

M115             SIZE: 1-3/8"

An EXTRA LARGE Scapanorhynchus texanus tooth from Frankstown, MS. An incredible, XXL anterior tooth.  

MS023         SIZE: 1-9/16"