Search results for: 'taxable desert first 300x90x54'

 Peripristis semicircularis ; an  Extinct Petalodont sharkA very rare, well preserved GEM posterior tooth. A complete tooth - crown & root - extremely rare! Beautifully articulated. Matrix free - incredibly rare. An exceptional collector's piece from an old collection!  The best available!   Reverse Photo.
Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)
Location: Louisville, Cass Co., Nebraska

Z149     SIZE: 5/16"

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" 

Excellent, incredibly large Squalicorax bassanii tooth. These teeth are massive.

M615              SIZE: 1-5/16"

 Excellent, incredibly large Squalicorax bassanii tooth. These teeth are massive.

M616      SIZE: 1-3/16"

Excellent, incredibly large Squalicorax bassanii tooth. These teeth are massive.

M617            SIZE: 1-3/16"

Excellent, incredibly large Squalicorax bassanii tooth. These teeth are massive.

M618             SIZE: 1-3/16"

Excellent, incredibly large Squalicorax bassanii tooth. These teeth are massive.

M619            SIZE: 1-3/16"

Excellent, incredibly large Squalicorax bassanii anterior tooth. These teeth are massive.

M622              SIZE: 1-3/16"

Excellent, extra large Squalicorax bassanii anterior tooth. These teeth are massive.

M623                SIZE: 1-1/8"+

Excellent, extra large Squalicorax bassanii anterior tooth. These teeth are massive.

M624              SIZE: 1-1/8"

Poeciliodus sp.; an  Extinct Bradydont shark

A rare crusher tooth from the Paleozoic era. Exceptional preservation and excellent surface articulation. An exceptional collector's piece from an old collection!

Age: Pennsylvanian (300 mya) ; Lane Shale Fm. (Missourian)

Location: Johnson Co., Kansas

Z141           SIZE: 5/8"

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. 

I23          SIZE:  1-7/8"  w/ root  (7/8" crown)

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