Search results for: '2001 dure age mako'

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, 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. A unique brown colored tooth - 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. 

I07        SIZE:  3-3/8" w/ root  (1-5/8" crown) 

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

A very rare, EXTRA 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. An extra large crown and root section. 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. 

I05        SIZE:  5" w/ root  (2-5/8" 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. A rare double crown section with lots of pyrite. 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. 

I04        SIZE:  3" w/ root  (1-7/8" crown) 

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

A Top Quality Squalicorax curvatus tooth from Gove Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed.

KS207            SIZE: 5/16"

Note - Adding 7 new S. curvatus teeth in April 2020.   Link to Kansas S. Curvatus teeth

A Top Quality Squalicorax curvatus tooth from Gove Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. Perfect tooth.

KS206            SIZE: 7/16"

Note - Adding 7 new S. curvatus teeth in April 2020.   Link to Kansas S. Curvatus teeth

A Top Quality Squalicorax curvatus tooth from Gove Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. Perfect tooth.

KS205            SIZE: 7/16"

Note - Adding 7 new S. curvatus teeth in April 2020.   Link to Kansas S. Curvatus teeth

A Top Quality Squalicorax curvatus tooth from Gove Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. Perfect tooth.

KS204            SIZE: 7/16"

Note - Adding 7 new S. curvatus teeth in April 2020.   Link to Kansas S. Curvatus teeth

A Top Quality Squalicorax curvatus tooth from Gove Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed.

KS203            SIZE: 7/16"

Note - Adding 7 new S. curvatus teeth in April 2020.   Link to Kansas S. Curvatus teeth

A Top Quality Squalicorax curvatus tooth from Gove Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed.

KS202            SIZE: 7/16"

Note - Adding 7 new S. curvatus teeth in April 2020.   Link to Kansas S. Curvatus teeth

An EXTRA LARGE, Top Quality Squalicorax curvatus tooth from Gove Co., Kansas. This specimen is on its original Niobrara Chalk matrix. An excellent example of this Cretaceous shark. Authenticity guaranteed. Perfect tooth.

KS201            SIZE: 7/16"

Note - Adding 7 new S. curvatus teeth in April 2020.   Link to Kansas S. Curvatus teeth

A Top Quality Squalicorax falcatus tooth from Gove Co., Kansas. An excellent example of this Cretaceous shark. Authenticity guaranteed. Perfect tooth.

KS227            SIZE: 3/8"+

Note - Adding 7 new S. falcatus teeth in April 2020.   Link to Kansas S. Falcatus teeth