Search results for: 'first à dure d’our'

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, 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 rare, GEM Sphyrna zygaena tooth, the Smooth Hammerhead shark, from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A unique collector's tooth. D041 is the top quality tooth. Authenticity guaranteed.

D041        SIZE: 1/2"

Note - 6 new Sumatran Hammerhead shark teeth added in January 2018.       Link to Sumatran teeth.

A rare Sphyrna zygaena tooth, the Smooth Hammerhead shark, from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A unique collector's tooth. D042 is the top quality tooth on the left. Authenticity guaranteed.

D042 (Left)       SIZE: 3/8"

Note - 6 new Sumatran Hammerhead teeth added in January 2018.       Link to Sumatran teeth.

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 rare fossil crab from Sumatra, Indonesia. This crab was deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A very unique collector's fossil. D201 is the high quality crab. Largest one found. Authenticity guaranteed.

D201       SIZE: 1-5/8" x 1"

Note - 4 new Sumatran fossil crabs added in January 2018.     Link to Sumatran teeth.

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 incredible brown colored specimen - 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. 

I10        SIZE:  3-1/2" w/ root  (1-5/8" crown) 

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

A rare Sphyraena striata (Barracuda) tooth from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A very unique collector's tooth. D161 is the top quality tooth on the left. Authenticity guaranteed.

D161 (Left)       SIZE: 5/16"+

Note -  6 new Sumatran Sphyraena striata teeth added in January 2018.     Link to Sumatran teeth.

A rare Sphyraena striata (Barracuda) tooth from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A very unique collector's tooth. D162 is the good quality tooth on the right. Authenticity guaranteed.

D162 (Right)       SIZE: 5/16"

Note -  6 new Sumatran Sphyraena striata teeth added in January 2018.     Link to Sumatran teeth.

A rare Sphyraena striata (Barracuda) tooth from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A very unique collector's tooth. D163 is the top quality tooth on the left. Authenticity guaranteed.

D163 (Left)       SIZE: 5/16"

Note -  6 new Sumatran Sphyraena striata teeth added in January 2018.     Link to Sumatran teeth.

A rare Sphyraena striata (Barracuda) tooth from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A very unique collector's tooth. D164 is the good quality tooth on the right. Authenticity guaranteed.

D164 (Right)       SIZE: 5/16"

Note -  6 new Sumatran Sphyraena striata teeth added in January 2018.     Link to Sumatran teeth.

A rare Sphyraena striata (Barracuda) tooth from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A very unique collector's tooth. D165 is the high quality tooth on the left. Authenticity guaranteed.

D165 (Left)       SIZE: 1/4"+

Note -  6 new Sumatran Sphyraena striata teeth added in January 2018.     Link to Sumatran teeth.