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

A LARGE, High Quality very rare Echinorhinus blakei, Bramble shark, tooth from Pyramid Hill, California. An extremely difficult shark tooth to find. Nearly perfect cusps. This is an early Miocene tooth from the Jewitt Sand Formation. An excellect quality collector's tooth! No repair or restoration. Authenticity guaranteed. A gem jar display is included.

ST224                SIZE: 1/2"

A LARGE, High Quality very rare Echinorhinus blakei, Bramble shark, tooth from Pyramid Hill, California. An extremely difficult shark tooth to find. Nearly perfect root. This is an early Miocene tooth from the Jewitt Sand Formation. An excellect quality collector's tooth! No repair or restoration. Authenticity guaranteed. A gem jar display is included.

ST223                SIZE: 9/16"

A LARGE, Top Quality very rare Echinorhinus blakei, Bramble shark, tooth from Pyramid Hill, California. An extremely difficult shark tooth to find. Perfect cusps. This is an early Miocene tooth from the Jewitt Sand Formation. An excellect quality collector's tooth! No repair or restoration. Authenticity guaranteed. A gem jar display is included.

ST222                SIZE: 1/2"

An EXTRA LARGE, Top Quality very rare Echinorhinus blakei, Bramble shark, tooth from Pyramid Hill, California. An extremely difficult shark tooth to find. Nearly perfect cusps. This is an early Miocene tooth from the Jewitt Sand Formation. An excellect quality collector's tooth! No repair or restoration. Authenticity guaranteed. A gem jar display is included.

ST221                SIZE: 5/8"

A GEM, EXTRA LARGE Carcharodontosaurus saharicus tooth from the Kem Kem red sand deposits of Morocco. A fantastic deep red colored tooth - the most sought after color. A June Fossil of the Month. This ~4" tooth which is nearly all crown - a BIG tooth. Highest quality enamel with no enamel peel. Exceptional preservation. Excellent anterior and posterior serrations. Serrated to the tip. Tip has minor feeding wear. Excellent growth waves near cutting edge. An extra wide position tooth - maxillary tooth (upper jaw anterior). One of my favorite tooth positions.  No cracks - no breaks. Essentially the PERFECT BIG Carcharodontosaurus tooth. No Repair.  No Restoration. An ULTRA RARE, Extra Large collector's tooth. Authenticity Guaranteed. An exceptional BIG Carch tooth with excellent eye appeal. One of my favorites!

M1201 BoP3     Size: 3-15/16"   (1-9/16" W)

Note -   Link to Carchardontosaurus 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 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 LARGE, ultra rare, Top Quality Hexanchus tusbairicus, Six-gill Cow shark, tooth from Kert, Kazakhstan. This  lower jaw  tooth has ten primary cusps. An Eocene (Bartonian), Shorym Fm. Cow shark species. The Kazakh Hexanchus tusbairicus teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. A near Perfect tooth. Old collection material. The Hexanchus teeth from Kazakhstan shark teeth were never commercially available!

K461          SIZE: 11/16"

Note - Adding 18 Rare Kazakh Hexanchus & Heptranchias  teeth in June 2023.    Kazakhstan Hexanchus teeth Catalog

An ultra rare, Top Quality Hexanchus tusbairicus, Six-gill Cow shark, tooth from Kert, Kazakhstan. This lower jaw tooth has ten primary cusps. An Eocene (Bartonian), Shorym Fm. Cow shark species. The Kazakh Hexanchus tusbairicus teeth are quite rare and excellent examples are hard to locate. Authenticity guaranteed. Note - root has been reattached. Old collection material. The Hexanchus teeth from Kazakhstan shark teeth were never commercially available!

K462          SIZE: 9/16"

Note - Adding 18 Rare Kazakh Hexanchus & Heptranchias  teeth in June 2023.    Kazakhstan Hexanchus teeth Catalog

An ultra rare Large, Top Quality Hexanchus casieri , Six-gill Cow shark, tooth from Uzunbas, Kazakhstan. This lower jaw tooth has ten primary cusps. An Eocene (Priabonian), Adaj Fm. Cow shark species. The Kazakh Hexanchus casieri  teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. Perfect tooth. Old collection material. The Hexanchus teeth from Kazakhstan shark teeth were never commercially available!

K463          SIZE: 9/16"

Note - Adding 18 Rare Kazakh Hexanchus & Heptranchias  teeth in June 2023.    Kazakhstan Hexanchus teeth Catalog