Search results for: 'icebreaker 20 teeth mexico liop sleeper base lower'

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.

The November week #3b FOTM is a very rare, TOP QUALITY Parotodus benedeni tooth from the Lee Creek mine, No. Carolina. This is an ultra rare anterior tooth. A perfect tip, perfect razor sharp cutting edges, and a complete root (1" thick). Root has the typical hydration crack present on all XL anterior teeth. This is a large size anterior tooth in incredible condition. An old collection piece that just does not come up for sale very often. An EXCEPTIONAL, rare Collector's tooth! The BEST of the BEST! When was the last time you saw a top quality, large LC Benedeni - anterior tooth? A very special, very rare collector's tooth. LC103 Size: 2-3/8"

A very rare, early Otodus obliquus anterior tooth from Kzil-Orda Region, Kazakhstan. Otodus obliquus is the ancestor to O. auriculatus (see detailed discussion below) which leads to Megalodon. The bourlette is large and complete. Exhibits no serrations. The starting species to serrated Otodus teeth. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene (Ypresian) Auriculatus transition tooth. A very challenging tooth to find when building a Megalodon evolutionary set! No repair. Authenticity guaranteed. Note - This western Kazakhstan site is one of the few places in the world where the Otodus obliquus to Otodus auriculatus transition can be found in adjacent early Eocene formation units. 

K561         SIZE: 1-1/16"

Note - Adding 24 Kazakh Auriculatus or transition teeth in July 2024. -->  Link to Kazakh Auriculatus teeth.

A very rare, early Otodus obliquus anterior tooth from Kzil-Orda Region, Kazakhstan. Otodus obliquus is the ancestor to O. auriculatus (see detailed discussion below) which leads to Megalodon. The bourlette is large and complete. Exhibits no serrations. The starting species to serrated Otodus teeth. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene (Ypresian) Auriculatus transition tooth. A very challenging tooth to find when building a Megalodon evolutionary set! No repair. Authenticity guaranteed. Note - This western Kazakhstan site is one of the few places in the world where the Otodus obliquus to Otodus auriculatus transition can be found in adjacent early Eocene formation units. 

K562         SIZE: 1-1/4"

Note - Adding 24 Kazakh Auriculatus or transition teeth in July 2024. -->  Link to Kazakh Auriculatus teeth.

A very rare, early Otodus obliquus anterior tooth from Kzil-Orda Region, Kazakhstan. Otodus obliquus is the ancestor to O. auriculatus (see detailed discussion below) which leads to Megalodon. The bourlette is large and complete. Exhibits no serrations. The starting species to serrated Otodus teeth. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene (Ypresian) Auriculatus transition tooth. A very challenging tooth to find when building a Megalodon evolutionary set! No repair. Authenticity guaranteed. Note - This western Kazakhstan site is one of the few places in the world where the Otodus obliquus to Otodus auriculatus transition can be found in adjacent early Eocene formation units. 

K561         SIZE: 1-1/4"

Note - Adding 24 Kazakh Auriculatus or transition teeth in July 2024. -->  Link to Kazakh Auriculatus teeth.

A scarce Top Quality, Isurus retroflexus, the Longfin Mako shark tooth (big upper jaw posterior tooth) from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich tan crown and a light tan colored root. Excellent colors!  Sharp cutting edge. The rear top of root has a "shoulder" build up, a characteristic of Isurus retroflexus. Excellent preservation - note nutrient hole on root. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. A difficult tooth to source.

LC393      Size: 1-1/16"

Note - Adding 15 new Lee Creek Longfin Mako teeth in March 2023.     Link to Lee Creek Longfin Mako Teeth.   

A scarce Top Quality, Isurus retroflexus, the Longfin Mako shark tooth (big upper jaw lateral tooth) from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich tan crown and a light tan colored root. Excellent colors!  Sharp cutting edge. The rear top of root has a "shoulder" build up, a characteristic of Isurus retroflexus. Excellent preservation - note nutrient hole on root. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. A difficult tooth to source.

LC392      Size: 1-3/8"

Note - Adding 15 new Lee Creek Longfin Mako teeth in March 2023.     Link to Lee Creek Longfin Mako Teeth.   

A scarce Top Quality, Isurus retroflexus, the Longfin Mako shark tooth (big upper jaw lateral tooth) from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich tan crown and a tan colored root. Excellent colors!  Sharp cutting edge. The rear top of root has a "shoulder" build up, a characteristic of Isurus retroflexus. Excellent preservation - note nutrient hole on root. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. A difficult tooth to source.

LC391      Size: 1-5/16"

Note - Adding 15 new Lee Creek Longfin Mako teeth in March 2023.     Link to Lee Creek Longfin Mako Teeth.   

A scarce Top Quality, Isurus retroflexus, the Longfin Mako shark tooth (upper jaw lateral tooth) from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich tan crown and a white colored root. Excellent colors!  Sharp cutting edge. The rear top of root has a "shoulder" build up, a characteristic of Isurus retroflexus. Excellent preservation - note nutrient hole on root. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. A difficult tooth to source.

LC389      Size: 1-7/16"

Note - Adding 15 new Lee Creek Longfin Mako teeth in March 2023.     Link to Lee Creek Longfin Mako Teeth.   

A scarce Top Quality, Isurus retroflexus, the Longfin Mako shark tooth (upper jaw lateral tooth) from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich blue & tan crown and a brown colored root. Excellent colors!  Sharp cutting edge. The rear top of root has a "shoulder" build up, a characteristic of Isurus retroflexus. Excellent preservation - note nutrient hole on root. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. A difficult tooth to source.

LC388      Size: 1-9/16"

Note - Adding 15 new Lee Creek Longfin Mako teeth in March 2023.     Link to Lee Creek Longfin Mako Teeth.   

A scarce Top Quality, Isurus retroflexus, the Longfin Mako shark tooth (upper jaw lateral tooth) from the Lee Creek mine, Aurora, No. Carolina. This tooth has a rich tan crown and a white colored root. Excellent colors!  Sharp cutting edge. The rear top of root has a "shoulder" build up, a characteristic of Isurus retroflexus. Excellent preservation - note nutrient hole on root. It is a Miocene tooth from the Pungo River Fm. An excellent collector's tooth. Authenticity guaranteed. A difficult tooth to source.

LC387      Size: 1-1/2"

Note - Adding 15 new Lee Creek Longfin Mako teeth in March 2023.     Link to Lee Creek Longfin Mako Teeth.