Search results for: 'bear evolution paleozo à first revêtue'

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.

An excellent pair of large Isurus praecursor shark teeth.  First lateral teeth.

SC1267 (Right)           SIZE: 1-5/16"

An excellent pair of large Isurus praecursor shark teeth.  First lateral teeth.

SC1269 (Right)             SIZE: 1-1/8"

A rare, Top Quality Orodus sp., an extinct Orodontiform shark tooth, from the Paleozoic era in Indiana. A perfect primary cusp. Great color and articulation. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Middle Mississippian (347 MYA); Harrodsburg Limestone Fm.

Location: Washington Co., Indiana

Z011      SIZE: 15/16"

Adding 30 US Paleozoic teeth in July 2025  -->  Link to US Paleozoic teeth

A rare, Top Quality Orodus sp., an extinct Orodontiform shark tooth, from the Paleozoic era in Indiana. A perfect primary cusp. Great color and articulation. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Middle Mississippian (347 MYA); Harrodsburg Limestone Fm.

Location: Washington Co., Indiana

Z012      SIZE: 7/8"

Adding 30 US Paleozoic teeth in July 2025  -->  Link to US Paleozoic teeth

A very rare, Top Quality Arpagodus sp., an extinct Eugeneodont shark tooth, from the Paleozoic era in Indiana. An excellent primary cusp. Great color and articulation. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Middle Mississippian (347 MYA); Harrodsburg Limestone Fm.

Location: Washington Co., Indiana

Z004      SIZE: 7/8"

Adding 30 US Paleozoic teeth in July 2025  -->  Link to US Paleozoic teeth

A rare, Top Quality Hybodus sp., an extinct Hybodont shark tooth, from the Paleozoic era in Indiana. An excellent primary cusp. Great color and articulation. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Middle Mississippian (347 MYA); Harrodsburg Limestone Fm.

Location: Washington Co., Indiana

Z005      SIZE: 9/16"

Adding 30 US Paleozoic teeth in July 2025  -->  Link to US Paleozoic teeth

A rare, Top Quality Hybodus sp., an extinct Hybodont shark tooth, from the Paleozoic era in Indiana. An excellent primary cusp. Great color and articulation. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Middle Mississippian (347 MYA); Harrodsburg Limestone Fm.

Location: Washington Co., Indiana

Z006      SIZE: 9/16"

Adding 30 US Paleozoic teeth in July 2025  -->  Link to US Paleozoic teeth

A rare, Top Quality Hybodus sp., an extinct Hybodont shark tooth, from the Paleozoic era in Indiana. An excellent primary cusp. Great color and articulation. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Middle Mississippian (347 MYA); Harrodsburg Limestone Fm.

Location: Washington Co., Indiana

Z007      SIZE: 1/4"

Adding 30 US Paleozoic teeth in July 2025  -->  Link to US Paleozoic teeth

A rare, Top Quality Campodus sp., an extinct Eugeneodont shark tooth, from the Paleozoic era in Indiana. An excellent primary cusp. Great color and articulation. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Middle Mississippian (347 MYA); Harrodsburg Limestone Fm.

Location: Washington Co., Indiana

Z010      SIZE: 13/16"

Adding 30 US Paleozoic teeth in July 2025  -->  Link to US Paleozoic teeth

A rare, Top Quality Orodus sp., an extinct Orodontiform shark tooth, from the Paleozoic era in Indiana. An excellent primary cusp. Great color and articulation. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Middle Mississippian (347 MYA); Harrodsburg Limestone Fm.

Location: Washington Co., Indiana

Z013      SIZE: 7/8"

Adding 30 US Paleozoic teeth in July 2025  -->  Link to US Paleozoic teeth