Search results for: 'guid claw with crown starting sleave'

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.

A rare Top Quality, Allosaurus fragilis  tooth. This Allosaurus crown measures 15/16" and it remains on its original Morrison Fm. matrix. The enamel is high quality. Great rich dark brown color. Good serrations. Very good overall condition and serrations. No restoration. Allosaurus was the apex predator during the late Jurassic with large teeth designed to slash predators. Legally collected on private land in the Morrison Fm., Grand Co., Utah. Authenticity guaranteed.  Note - the matrix is ground flat for a stable display.

DL08         SIZE: 15/16"   

Note - Adding 8 Allosaurus fossils in January 2023    Link to Allosaurus teeth

An ultra rare, LARGE, Top Quality Edestus heinrichi partial tooth whorl, from Herrin, Illinois. A July Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. An ultra rare triple crown whorl section with exceptional quality crowns. 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. 

I03        SIZE:  6-5/8" w/ root  (1-7/8" crown) 

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

New   Exceptionally large, GEM anterior teeth. These are the largest C. appendiculata teeth that I have ever seen!  These anterior teeth are really difficult to find.  Rare!

M203 (Left)         SIZE: 1-3/8"

Exceptionally large, GEM lateral tooth. These are the largest C. appendiculata teeth that I have ever seen!  These XL anterior teeth are really difficult to find.  Rare! 

M209(Left)        SIZE: 1-1/4"

New   Exceptionally large, GEM lateral teeth. These are the largest C. appendiculata teeth that I have ever seen!  These anterior teeth are really difficult to find.  Rare!

M210 (Right)        SIZE: 1-1/4"

New   Exceptionally large, GEM lateral teeth. These are the largest C. appendiculata teeth that I have ever seen!  These anterior teeth are really difficult to find.  Rare!

M212 (Left)       SIZE: 1-1/4"

New   Exceptionally large, GEM lateral teeth. These are the largest C. appendiculata teeth that I have ever seen!  These anterior teeth are really difficult to find.  Rare! 

M213 (Right)          SIZE: 1-3/16"

New   Exceptionally large, GEM lower jaw - lateral teeth. These are the largest C. appendiculata teeth that I have ever seen!  These anterior teeth are really difficult to find.  Rare!

M214 (Left)          SIZE: 1-1/4"

New   Exceptionally large, GEM lower jaw - lateral teeth. These are the largest C. appendiculata teeth that I have ever seen!  These anterior teeth are really difficult to find.  Rare!

M215 (Right)         SIZE: 1-3/16"

Exceptionally large, GEM lower jaw - lateral teeth. These are the largest C. appendiculata teeth that I have ever seen!  These anterior teeth are really difficult to find.  Rare!

M216  (Left)         SIZE: 1-3/16"

New   Exceptionally large, GEM lateral teeth. These are the largest C. appendiculata teeth that I have ever seen!  These anterior teeth are really difficult to find.  Rare! 

M218 (Left)         SIZE: 1-1/8"