Search results for: 'margin toe 4 lower'

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. A rare double crown section with lots of pyrite. 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. 

I04        SIZE:  3" w/ root  (1-7/8" crown) 

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

An incredibly sized GEM Great White shark tooth from Chile. This ULTRA RARE, MONSTER sized Great White tooth measures ~2-3/4" - a huge upper jaw PRINCIPAL ANTERIOR tooth. My finest remaining XL blue site tooth. The BEST of the BEST!

C1202          Size: 2-11/16" (2" W)

A FANTASTIC polished display piece with two exposed EXTRA LARGE ammonites and an orthoceras. A third ammonite is also exposed when viewed from the top. All showing the intricate internal chamber structure.The rock matrix is a beautiful marble material and the Ammonite cavities are mineral filled! These ammonites and orthoceras are beautifully polished. This display measures  8"  x  14" and weighs 12 pounds. You rarely see top quality, extra large ammonites and Orthoceras in the same matrix block. An incredible, rarely seen display item!

Name: Goniatities sp. and Orthoceras sp. , Age: Devonian (350 MM years ago), Location: Atlas Mt., Morocco

M2060         Size: 5-1/2"  &  4-1/2" Ammonites with a 4-1/2" Orthoceras

An EXTRA LARGE, modern Bluntnose Sixgill Cow shark, Hexanchus griseus. A deepwater shark. Lower jaw tooth. Bright white color. Near perfect tooth. Authenticity guaranteed. (1 Bluntnose Sixgill Cow tooth available)

MSG01      SIZE: 1-3/4"

Note - Adding 15 new modern shark species in January 2024 -> Link to modern shark teeth

 A rare, well preserved Platecarpus jaw section with 21 teeth from Morocco. This jaw section is comprised of the upper and lower jaws. Excellent perservation and detail. Jaw and teeth are clean and fully exposed. Absolutley no repair or restoration. Museum Quality. Authenticity gauranteed!

M1081        Size: 14"    (4-1/2" H)

A high quality, Phacops speculator and a spiny Ceretarges trilobite with damage on original matrix from Jebel Issoumour deposits, Morocco. These specimens are nicely prepared and fully exposed. These trilobite shells are all natural with no colorization. Two nice Devonian Middle Devonian trilobites. Finding two quality trilobites in proximity is always rare. Authenticity guaranteed. Note - specimen wights 1.3 lbs. International orders will require supplemental postage. Please inquire.

XM01        Size: 1-3/4" Phacops  &  1-1/8" Ceretarges

Note - Adding 5 high quality Devonian age Moroccan trilobites.  -->  Link to Moroccan Trilobites

An Top Quality Kayserops sp. trilobite. Preparation is German directed with all original colors and no restoration. Excellent preservation and condition. Beautifil black shell. Excellent detail in the compound eyes. This specimen is fully exposed on a pedestal of original matrix. A Middle Devonian (380 mya) from the Djebel Issoumour area, Atlas Mts., Morocco. Authenticity guaranteed. An incredible amount of preparation was required for this fantastic display piece.

XM38          Size: 2-1/4"   (1-3/8 wide)

Adding 31 quality Moroccan trilobites in April 2025.     Link to Moroccan trilobites.

An EXTRA LARGE, pyrite replaced Paraspirifer bownockeri brachiopod from the Silica Shale Fm., Sylvania, Ohio. Brachiopods are bivalve molluscs, and this is a big one. Both valves present  - complete specimen and matrix free. Note -  1-1/8" thick and heavy! This is a Devonian (395 mya) brachiopod. The big Silica Fm. brachiopod. Authenticity guaranteed. A fantastic display specimen!

Y005        SIZE: 1-7/8"  (1-1/8" Thick)

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.

An ultra rare, LARGE, Top Quality Edestus heinrichi partial tooth whorl, from Herrin, Illinois. A July Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. An ultra rare triple crown whorl section with exceptional quality crowns. 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. 

I03        SIZE:  6-5/8" w/ root  (1-7/8" crown) 

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

An Extra Large Allodesmus kernensis jaw section with a massive canine, a molar, and a open socket.  Excellent preservation and excellent color. Museum Quality Allodesmus specimen! 

ST1001 BoP      SIZE: 4-3/4" (3" H)

A GEM QUALITY, EXTRA LARGE exceptionally prepared, Phacops speculator trilobite. The preparation is German with all original colors and no restoration. Exceptional completeness and preservation. Great natural black shell with excellent luster. You got to love the natural iron mark. There is definitely no paint on this specimen. The compound eyes are exceptionally preserved. A Middle Devonian (380 mya) trilobite from the Oufaten area, Atlas Mts., Morocco. Authenticity guaranteed. Museum Quality. The BEST!  This is the largest Phacops speculator specimen that I have seen!  Note - specimen weights 2.5 lbs. International orders will require supplemental postage. Please inquire.  

XM23         Size: 3-1/8"  (1-1/4" wide)

Note - Adding 16 new Moroccan Trilobites in May 2024.    -->    Link to Moroccan Trilobites