Search results for: 'group in 10 guid'

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. 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. 

I18          SIZE:  2-1/2" w/ root   (1-1/4"crown)

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

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.

An ultra rare, Top Quality EXTRA LARGE Edestus heinrichi shark whorl section with 4 big crowns, from Sparta, Illinois. An August Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation and serrations. Note - extra long root whorl section with 4 extra large crowns - very rare. 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 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. Four crown whorl sections are extremely rare! 

I01  BoP           SIZE: 2" teeth   (Whorl  6")

Adding 15 Edestus shark specimens in August 2020.    Link to Edestus shark.

An ultra rare, Top Quality EXTRA LARGE Edestus heinrichi shark whorl section with 3 big crowns, from Herrin, Illinois. An April Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation and serrations. Note - extra long root whorl section with 3 extra large crowns - very rare. 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 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. Note - Two crown tips were professionally retored. Authenticity guaranteed. Three crown whorl sections are rare! 

I01 BoP2           SIZE: 1-3/4" teeth   (Whorl  7-1/4")

Adding 15 Edestus shark specimens in April 2021.    Link to Edestus shark.

A Top Quality Squatirhina sp. tooth, an extinct Carpetshark, from the ENCI quarry, Maastricht, the Netherlands. Fantastic gray color and preservation. Cretaceous - Maastrichian age. A damaged tip. A specimen grade collector's tooth. Authenticity guaranteed.

N4923         SIZE: 1/8"

Note - Adding 56 Netherlands shark teeth in July 2023.  Link to Netherlands shark teeth.

A Top Quality Quercus cuneatus leaf from the Green River Fm., Douglas Pass, Garfield Co., Colorado. The Quercus cuneatus is an Oak leaf 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. An excellent display piece!  

GL17     SIZE: 2" x 7/8"      Plate size: 3-5/8" x 2-3/4"

Note - Adding 20 Green River Fm. Fossil leaves in August 2023 --> Link to Green River Fossil Leaves

A TOP QUALITY, Metasequoia dakotensis cone from Montana. These "dinosaur age" pine cones are found in the Hell Creek Formation of Dawson Co., Montana. These Upper Cretaceous pine cones are high quality with great preservation. They are fully inflated spheres and maximun size (redwoods produce very small cones for their size!). The Metasequoia is the "dawn redwood", and it is one of the three redwood conifers species. Authenticity guaranteed. 

X369       Size: 11/16"

Note - Adding 6 new pine cone specimens in October 2023.      Link to Pine Cone fossils.

A rare Galecerdo cuvier tooth from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) D023 is the tooth on the left. A very unique collector's tooth.  Authenticity guaranteed.

D023 (Left)          SIZE:5/8"

Note - 14 new Sumatran Tiger shark teeth added in January 2018.       Link to Sumatran teeth.

A very rare Glyphis glyphis tooth, the Speartooth shark, from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A very unique collector's tooth. D186 is a very nice upper jaw anterior tooth. Note -tooth in the right. Authenticity guaranteed.

D186  (Right)       SIZE: 1/4"

Note - 16 new Sumatran Glyphis glyphis teeth added in January 2018.       Link to Sumatran teeth.

A Top Quality Notorhynchus tooth - a Sevengill Cow shark, from the Randle's Cliff, Maryland.  A lower jaw tooth with 6 primary cusps. This tooth has an excellent blue - gray color with a tan root. Great color and preservation. This is an early Miocene age, Calvert Formation tooth. An excellent collector's tooth. Authenticity guaranteed. 

MD412         Size: 13/16"

Note adding 23 Maryland Cow shark teeth in June 2022.  --> Link to Maryland Cow Shark teeth

A LARGE, GEM modern Great Hammerhead shark tooth, Sphyrna mokarran. Bright white color. A large upper jaw tooth. Perfect condition. Authenticity guaranteed.

MH02        SIZE: 7/8"+

Note- adding 22 modern shark teeth in July 2022.  -> Link to Hammerhead shark teeth.

A rare, Top Quality Sevengill Cow shark (Notorhynchus primigenius) - a lower jaw symphyseal shark tooth from Hoevenen, Belgium. Late Miocene age from the Antwerp Sand Member. No repair or restoration. An excellent tooth for the rare tooth collector! Authenticity guaranteed. 

B402          Size: 9/16" 

Note - Adding 12 Belgium Notorynchus teeth in August 2022 ->  Link to Belgium Cow Shark Teeth