Search results for: 'like paleo first planus fisheuri guid'

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 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 excellent matrix specimen that inludes the opposing tooth mold as well. 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. Note - shipping weight is 1.9 lbs. International "free shipping" will require supplemental postage.

I11        SIZE:  3" w/ root  (1-1/2" crown) ;  Matrix block is 3.5" x 3.5"

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

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.

An incredible whole Cleoniceras ammonite with a lightly polished exterior showing flashes of red, green and blue in the aragonite shell material (produces an "opal-like sheen!"). A gorgeous Cretaceous ammonite from Majanga, Madagascar. No repair or restoration. Authenticity guaranteed. Very colorful. A great gift item.     

X234       Size: 4-1/2"  

Note - Adding 12 Madagascar ammonites in December 2024  -->   Link to Madagascar ammonites

An incredible whole Cleoniceras ammonite with a lightly polished exterior showing flashes of red and green in the aragonite shell material (produces an "opal-like sheen!"). A gorgeous Cretaceous ammonite from Majanga, Madagascar. No repair or restoration. Authenticity guaranteed. A great gift item.     

X233       Size: 4-1/2"  

Note - Adding 12 Madagascar ammonites in December 2024  -->   Link to Madagascar ammonites

An incredible whole Cleoniceras ammonite with a lightly polished exterior showing flashes of red, green and blue in the aragonite shell material (produces an "opal-like sheen!"). A gorgeous Cretaceous ammonite from Majanga, Madagascar. No repair or restoration. Authenticity guaranteed. Very colorful. A great gift item.     

X232       Size: 4-1/2"  

Note - Adding 15 Madagascar ammonites in December 2025  -->   Link to Madagascar ammonites

An incredible whole Cleoniceras ammonite with a lightly polished exterior showing flashes of blue and green in the aragonite shell material (produces an "opal-like sheen!"). A gorgeous Cretaceous ammonite from Majanga, Madagascar. No repair or restoration. Authenticity guaranteed. A great gift item.     

X231       Size: 4-3/8"  

Note - Adding 12 Madagascar ammonites in December 2024  -->   Link to Madagascar ammonites

An ultra rare, Top Quality lower jaw Pathologic Hexanchus tooth - the Sixgill Cow shark, from the Lee Creek mine, Aurora, No. Carolina. This pathologic tooth has a compressed root. This tooth has a rich blue & tan crown with a tan root. Seven main cusps (two have some damage). Incredible color and preservation. These are Miocene age, Pungo River Formation teeth. A near Perfect tooth. A fantastic collector's tooth. Authenticity guaranteed. Complete Lee Creek Hexanchus teeth are rarely found, and this is the first time that I can offer them!

LC638         Size: 1-1/16"

Note - Adding 39 Lee Creek Cow Shark teeth in February 2023        Link to Lee Creek Cow shark teeth.

An ultra rare, Top Quality lower jaw lateral Hexanchus tooth - the Sixgill Cow shark, from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich blue & tan crown with a tan root. Eleven main cusps (all complete). Please note that this tooth is from a back up row. and the root is not fully developed.  Incredible color and preservation. These are Pliocene age, Yorktown Formation teeth. A Perfect tooth. A fantastic collector's tooth. Authenticity guaranteed. Complete Lee Creek Hexanchus teeth are rarely found, and this is the first time that I can offer them!

LC637         Size: 1-9/16"

Note - Adding 39 Lee Creek Cow Shark teeth in February 2023        Link to Lee Creek Cow shark teeth.

An ultra rare, Quality lower jaw lateral Hexanchus tooth - the Sixgill Cow shark, from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich blue & tan crown with a brownroot. Ten main cusps (all complete). Yes, the root has cracks on the display side, but the tooth never broke and has been quite sturdy.  Incredible color and preservation. These are Pliocene age, Yorktown Formation teeth. A fantastic collector's tooth. Authenticity guaranteed. Complete Lee Creek Hexanchus teeth are rarely found, and this is the first time that I can offer them!

LC633         Size: 1-5/8"

Note - Adding 39 Lee Creek Cow Shark teeth in February 2023        Link to Lee Creek Cow shark teeth.

An ultra rare, Top Quality pathologic lower jaw lateral Hexanchus tooth - the Sixgill Cow shark, from the Lee Creek mine, Aurora, No. Carolina. A February Fossil of the Month. This tooth has a rich blue & tan crown with a tan root. Eleven main cusps including the pathologic center cusp (there are a couple small nicks).  Incredible color and preservation. These are Pliocene age, Yorktown Formation teeth. A fantastic collector's tooth. Authenticity guaranteed. Complete Lee Creek Hexanchus teeth are rarely found, and this is the first time that I can offer them! This is a special specimen!

LC631        Size: 1-3/16"

Note - Adding 39 Lee Creek Cow Shark teeth in February 2023        Link to Lee Creek Cow shark teeth.