Search results for: 'first à dung d’ours'

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, 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 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. 

I15           SIZE:  1-1/4"    

Adding 14 Edestus shark specimens in January 2023.    Link to Edestus shark.

A rare, Top Quality Anzu wyliei toe bone from the Hell Creek Fm. of Montana. Anzu is referred to as the "Chicken from Hell". An excellent toe bone. First digit of toe number one which held the "dew claw". Excellent brown color and patina. This specimen has excellent perservation. A complete specimen. A top quality, collector's toe bone from the Hell Creek of Montana. Note - 2014 Anzu wyliei description paper attached below. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. Museum Quality. Anzu toe bones are hard to find. 

DA13       Size: 3-7/8"  ;  proximal end:   1-1/8" x 1-1/4"

Note - Adding 14 Anzu wyliei bones & claws in September 2022.   Link to Anzu wyliei claws.

Cochliodus sp.  ;  a very rare Extinct Bradydont shark. Nicely articulated. A large top quality specimen! New Kansas location.

Age: Pennsylvanian (300 mya) ; Raytown Limestone Fm.

Location: Lenexa, Johnson Co., Kansas

Z108             SIZE: 1/2"

Cochliodus sp.  ;  a very rare Extinct Bradydont shark. Nicely articulated. Matrix free - rare! A large top quality specimen! New Kansas location.

Age: Pennsylvanian (300 mya) ; Raytown Limestone Fm.

Location: Lenexa, Johnson Co., Kansas

Z109            SIZE: 5/8"

A rare, Top Quality Lagarodus sp., an extinct primitive shark tooth, from the Paleozoic era in Kentucky. Great color. A well preserved specimen. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth! 

Age: Upper Mississippian (325 MYA); Somerset Shale Fm.

Location: Hardin Co., Kentucky

Z077      SIZE: 5/16"

Holmsella sp.; an  Extinct Primitive shark

A very rare shark skin specimen. This matrix piece is covered with dermal denticals. Shark skin impressions with denticals are extremely rare and a Paleozoic age find adds to the rarity. An exceptional collector's piece from an old collection!

Age: Pennsylvanian (295 mya) ; Dennis Fm.

Location: Hansen Quarry, La Platte, Nebraska

Z143         SIZE: 5-1/2"  x  4"

Holmsella sp.; an  Extinct Primitive shark

A very rare shark skin specimen. This matrix piece is covered with dermal denticals. Shark skin impressions with denticals are extremely rare and a Paleozoic age find adds to the rarity.  An exceptional collector's piece from an old collection!

Age: Pennsylvanian (295 mya) ; Dennis Fm.

Location: Hansen Quarry, La Platte, Nebraska

Z144            SIZE: 4" x 2-1/2"

Helodus appendiculatus ; an Extinct Hybodont shark. Nicely articulated. A huge, extraordinary specimen! An extraordinary collector's tooth!

Z090          SIZE: 3/4"

Dorsal spine  ;  an Extinct Primitive shark. Nicely articulation. A quality specimen!  New Kansas location.

Age: Pennsylvanian (300 mya) ; Raytown Limestone Fm.

Location: Lenexa, Johnson Co., Kansas

Z115            SIZE: 15/16"

A rare 3-1/4" Top Quality Suwnaee River Auriculatus tooth with an incredible green color.  An exceptional upper jaw anterior tooth. Another September 2018 Fossil of the Month. Highest quality enamel! Excellent color & preservation. The bourlette is complete. The serrations are large, razor sharp and essetially complete with a nicked tip serration. Excellent side cusps. Incredible serrations for an extra large Ric tooth. The root is complete with essentially no hydration cracks. It is very hard to find these teeth in perfect condition. A extra large collector's Suwanee River Auriculatus tooth! Rare color and size. Authenticity guaranteed.

F401             SIZE: 3-1/4"