Search results for: 'fingernail parabolic frame detail guid'

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.

An EXTRA LARGE Tyrannosaur tooth from the late Cretaceous (Campanian) in northern North America. Please note that this tooth could Gorgosaurus or Daspletosaurus - see Detailed Discussion below. This tooth measures 3-1/4" - a BIGTyrannosaur tooth. A maxillary tooth. The enamel is good with good color. Anterior and posterior serrations are weak. Two cracks. Root etching. No restoration. Legally collected on private land in the Judith River Fm., Winifred Co., Montana. Authenticity guaranteed. An EXTRA LARGE collector's tooth. You don't see XXL Campanian Tyrannosaur teeth very often. A Riker display case is included.

DY05         SIZE: 3-1/4"   (Base: 1-1/4" wide x 11/16")

Note - Added 26 new Tyrannosaur teeth in October 2025.     Link to Tyrannosaur teeth catalog.

An ultra rare, GEM Quality Tyrannosaur hand bone from the late Cretaceous (Campanian) in northern North America. Please note that this toe bone could Gorgosaurus or Daspletosaurus - see Detailed Discussion below. An October Fossil of the Month. This hand bone measures 1-7/16" - an exceptional quality, juvenileTyrannosaur hand bone. The bone is the highest quality and complete with excellent color. It has the characteristic hump on top. No cracks. No repair or restoration. Legally collected on private land in the Judith River Fm., Winifred Co., Montana. Authenticity guaranteed. An excellent, rare collector's hand bone. A very rare find!  A Riker display case is included.

DY32         SIZE: 1-7/16"  (Proximal End size: 13/16" x  3/4")

Link to Tyrannosaur teeth catalog.

A very rare, High Quality Tyrannosaurus rex  tooth tip. This tooth tip measures 3/4".  The enamel has good color and patina. Very good anterior and posterior serrations. Base cross-section is a tall oval. No hydration cracks. No repair or restoration. A 100% natural tooth. T-Rex was the apex during the late Cretaceous with massive teeth capable of crushing its prey. See the detailed description to determine how to tell a real T-Rex tooth! Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. Authenticity guaranteed. Note - a Gem case  display is included. 

DT16        SIZE:  3/4"   (Base: 5/8" x 5/16")

Note - Adding 9 T. rex teeth in December 2025.    Link to T. rex teeth -->  T. rex teeth

A very rare, LARGE, Top Quality Tyrannosaurus rex  tooth tip. This tooth tip measures 15/16".  The enamel has excellent color and patina. Good anterior and posterior serrations. Base cross-section is a very tall oval. No hydration cracks. No repair or restoration. A 100% natural tooth. T-Rex was the apex during the late Cretaceous with massive teeth capable of crushing its prey. See the detailed description to determine how to tell a real T-Rex tooth! Legally collected on private land in the Hell Creek Fm., Garfield Co., Montana. Authenticity guaranteed. Note - a Gem case  display is included. 

DT14        SIZE:  15/16"   (Base: 3/4" x 9/16")

Note - Adding 9 T. rex teeth in December 2025.    Link to T. rex teeth -->  T. rex teeth

A very rare, early Otodus mugodzharicus upper jaw, lateral tooth from Aktulagay, western Kazakhstan. A transitional tooth leading to C. auriculatus (see detailed discussion below) which leads to Megalodon. The bourlette is complete. Tooth exhibits very fine serrations along the lower 1/3 of crown and micro serrations to the tip. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene 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 to Auriculatus transition can be found in adjacent layers.

K554         SIZE: 1-1/4"

Note - Adding 18 Kazakh Auriuclatus or transition teeth in April 2020. -->  Link to Kazakh Auriculatus teeth.

A very rare, early Otodus mugodzharicus upper jaw, lateral tooth from Aktulagay, western Kazakhstan. A transitional tooth leading to C. auriculatus (see detailed discussion below) which leads to Megalodon. The bourlette is complete. Tooth exhibits wavy serrations along the lower 1/3 of crown and small wavy serrations to the tip. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene 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 to Auriculatus transition can be found in adjacent layers.

K553         SIZE: 1-1/2"

Note - Adding 18 Kazakh Auriuclatus or transition teeth in April 2020. -->  Link to Kazakh Auriculatus teeth.

A very rare, early Otodus mugodzharicus upper jaw, anterior tooth from Aktulagay, western Kazakhstan. A transitional tooth leading to C. auriculatus (see detailed discussion below) which leads to Megalodon. The bourlette is complete. Tooth exhibits fine and wavy serrations along the lower 1/3 of crown and no serrations the tip. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene 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 to Auriculatus transition can be found in adjacent layers.

K551         SIZE: 2-1/8"

Note - Adding 18 Kazakh Auriculatus or transition teeth in April 2020. -->  Link to Kazakh Auriculatus teeth.

A Top Quality, rare Triceratops horridus epijugal (jugal spike) from the late Cretaceous of northern North America. Triceratops was a large ceratopsian dinosaur found in the Hell Creek and Lance Creek formations which is know for the large frill protecting its neck. Triceratops had a spike on its cheek which is called the jugal "spike" (see photo). This jugal spike has exceptional detail preserved and great color / patina. Excellent surface blood grooves are preserved. No repair or restoration. 100% natural specimen. Legally collected on private land in Bowman, No. Dakota. Authenticity guaranteed. You rarely see these jugal spikes and this one is good one.

DC62        SIZE: 3-5/8" Wide x 1-5/8" Height

Note - Adding 8 new Triceratops bones in October 2023.       Link to Triceratops fossils catalog