Search results for: '39 in liop 1 into with first'

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. Fantastic enamel quality. 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. 

I17          SIZE:  1-5/8" w/ root   (1-1/4"crown)

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

 Sandolodus sp.; an  Extinct Bradydont shark

An EXTRA LARGE crusher tooth. Exceptional preservation. Note the dimpled surface. An excellent collector's tooth. Matrix free - rare! An exceptional collector's piece from an old collection!

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

Location: Crescent, Pottawattamie Co., Iowa

Z142          SIZE: 1"

Petalodus alleghaniensis; an  Extinct Petalodont shark

A LARGE tooth. Beautifully articulated and preserved.  An exceptional collector's piece from an old collection!  The best available!

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

Location: Crescent, Pottawattamie Co., Iowa        On HOLD

Z134             SIZE: 1-3/8" x  1-3/8" W

A rare Top Quality Globidens aegypticus Mosasaur tooth from the phosphate mining area near Amman, Jordan. Excellent condition and preservation. No repair or restoration. Complete tooth.  These teeth are late Cretaceous age.  Note - this Mosasaur is renamed to the Prognathodon genus. Authenticity guaranteed. Rare location!

J221            SIZE: 1-1/16"  W

A pair of top quality, ray dermal scutes (spiked type).  These spiked ray dermal scutes are scarce!    F935 is a double specimen.

F935 (Left)             SIZE: 1-1/16''

A pair of top quality, ray dermal scutes (barbed type).  These barbed ray dermal scutes are rare!    F938 is an EXCELLENT barbed specimen.

F937 (Left)              SIZE: 1-1/16"

A pair of top quality, EXTRA LARGE ray dermal scutes (barbed type).  These barbed ray dermal scutes are rare!    F933 is an extra large, GEM barbed specimen.

F933 (Left) SIZE: 1-1/2"

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.

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"