Search results for: '35 in line 1 inch wide 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. 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. 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. 

I16          SIZE:  2-3/8" w/ root   (1-3/4"crown)

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

A pair of top quality, EXTRA LARGE ray dermal scutes (barbed type).  These barbed ray dermal scutes are rare!    F932 is a GEM specimen.    F932 Close Up

F932 (Right) SIZE: 1-1/4"

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

M616      SIZE: 1-3/16"

An EXCELLENT, large Isurus retroflexus tooth. Heavy and deep root ridges on the reverse side. The root is also extra wide. An excellent I. retroflexus example. Always scarce to locate. Pliocene. Kaltendijk Sand, Doel, Belgium

B504         SIZE: 1-1/2"    (1-1/2" W)

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. An incredible brown colored specimen - very unusual. 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. 

I10        SIZE:  3-1/2" w/ root  (1-5/8" crown) 

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

An EXTRA LARGE, Top Quality Mosasaur vertebra from the phosphate mining region, Khouribga, Morocco. This is a thick and heavy vertebra. Extra thick. Has some cracks. No repair or restoration.  Authenticity guaranteed. 

M1180        SIZE: 3-1/2" x 3-1/4"  (2-1/4" thick)    

Note - Adding 7 new Mosasaur vertebra in November 2022. -->  Link to Mosasaur fossils.

A TOP QUALITY Nanotyrannus lancensis tooth from the western US. This juvenile tooth measures 9/16" (straight line). The enamel is excellent quality. The posterior serrations are excellent. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed.  An excellent collector's Nano tooth. 

DN20        SIZE: 9/16"

Note - Adding 24 Nanotyrannus teeth in March 2025  ->  Link to Nano Teeth

A beautifully prepared pair of Cornuproetus antlatiasus trilobites. An ornate design with long cheek spines! A rarer species. The preparation is German with all original colors and no restoration. Exceptional completeness and preservation. A Middle Devonian (380 mya) trilobite from Djebel Issoumour area, Atlas Mts., Morocco. Authenticity guaranteed.

XM19         Size: 1-1/4"  &  1-1/16"

Note - Posted 16 Moroccan trilobites in May 2024   -->   Link to Moroccan Trilobites

An ultra rare, Top Quality lower jaw Pathologic Hexanchus tooth - the Sixgill Cow shark, from the Lee Creek mine, Aurora, No. Carolina. This pathologic tooth has a compressed root. This tooth has a rich blue & tan crown with a tan root. Seven main cusps (two have some damage). Incredible color and preservation. These are Miocene age, Pungo River Formation teeth. A near Perfect tooth. A fantastic collector's tooth. Authenticity guaranteed. Complete Lee Creek Hexanchus teeth are rarely found, and this is the first time that I can offer them!

LC638         Size: 1-1/16"

Note - Adding 39 Lee Creek Cow Shark teeth in February 2023        Link to Lee Creek Cow shark teeth.

A GEM, rare lower jaw tooth.  Excellent color. My BEST Sharktooth Hill Hexachus to offer. One of the most difficult Hexanchus teeth to find! Perfect tooth. Museum Quality.

ST601          SIZE: 1-1/4"  Wide