Search results for: 'biblioteca national dure peru deposit local'

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. 

I20          SIZE:  1" crown

Adding 22 Edestus shark specimens 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. 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. 

I19          SIZE:  1-3/16" crown

Adding 22 Edestus shark specimens 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. 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. 

I13          SIZE:  1-1/4"crown

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. 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. 

I12          SIZE:  1-1/2"crown

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

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

Age: Upper Mississippian (330 MYA); Indian Springs Shale Fm.

Location: Crawford Co., Indiana

Z054      SIZE: 5/16"

Adding 55 US Paleozoic teeth in May 2022  -->  Link to US Paleozoic teeth

A LARGE rare, Top Quality Chomatodus sp., an extinct Petalodont shark tooth, from the Paleozoic era in Indiana. Good color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Upper Mississippian (330 MYA); Indian Springs Shale Fm.

Location: Crawford Co., Indiana

Z047      SIZE: 1"

Adding 55 US Paleozoic teeth in May 2022  -->  Link to US Paleozoic teeth

An EXTRA LARGE rare, Top Quality Chomatodus sp., an extinct Petalodont shark tooth, from the Paleozoic era in Indiana. Good color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Upper Mississippian (330 MYA); Indian Springs Shale Fm.

Location: Crawford Co., Indiana

Z046      SIZE: 1-3/16"

Adding 55 US Paleozoic teeth in May 2022  -->  Link to US Paleozoic teeth

A rare, Top Quality Paleozoic shark dorsal spine from an extinct primitive shark, from the Paleozoic era in Indiana. Good color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's spine! 

Age: Upper Mississippian (330 MYA); Indian Springs Shale Fm.

Location: Crawford Co., Indiana

Z045      SIZE: 1/4"

Adding 55 US Paleozoic teeth in May 2022  -->  Link to US Paleozoic teeth

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

Age: Upper Mississippian (330 MYA); Haney Fm.

Location: Crawford Co., Indiana

Z044      SIZE: 5/16"

Adding 55 US Paleozoic teeth in May 2022  -->  Link to US Paleozoic teeth

An ultra rare, Top Quality Polyrhizodus sp., an extinct primitive shark tooth, from the Paleozoic era in Kentucky. A May Fossil of the Month. Great color with an incredible rainbow iridescent scene on the crown. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An exceptional rare collector's tooth! 

Age: Upper Mississippian (330 MYA); Salem Limestone Fm.

Location: Hardin Co., Kentucky

Z036      SIZE: 13/16"

Adding 55 US Paleozoic teeth in May 2022  -->  Link to US Paleozoic teeth

A Pair of rare, Top Quality Lagarodus sp., an extinct primitive shark tooth, from the Paleozoic era in Kentucky. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. Excellent collector's teeth! 

Age: Upper Mississippian (330 MYA); Salem Limestone Fm.

Location: Hardin Co., Kentucky

Z032      SIZE: 5/8" ; 3/8"

Adding 55 US Paleozoic teeth in May 2022  -->  Link to US Paleozoic teeth

A very rare, Top Quality Chomatodus multiplicatus, an extinct primitive shark tooth, from the Paleozoic era in Kentucky. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Upper Mississippian (330 MYA); Salem Limestone Fm.

Location: Hardin Co., Kentucky

Z031      SIZE: 7/16"

Adding 55 US Paleozoic teeth in May 2022  -->  Link to US Paleozoic teeth