Search results for: 'fingernail parabolic first detail guid'

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 unique brown colored tooth - 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. 

I07        SIZE:  3-3/8" w/ root  (1-5/8" crown) 

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

A very rare, EXTRA 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. An extra large crown and root section. 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. 

I05        SIZE:  5" w/ root  (2-5/8" crown) 

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

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 exceptional, EXTRA LARGE polished ammonite showing the intricate internal chamber structure. The Ammonite is incredibly large at 9-1/2"! The rock matrix is a beautiful material and the Ammonite cavities are mineral filled! The ammonite is beautifully polished on all sides and is displayed using a natural rectangular matrix stand with large Orthoceras . Exceptional preservation and detail. An incredible display item. The largest Moroccan ammonite that I have seen!  Best of the BEST.

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

Note - the base is 8-3/4" x 4" x 3". Overall height with base is 11".   International shipping cost will be calculated. Please request quote.

M2020         Size: 9-1/2"

A GEM Harleyville Auriculatus tooth.  A less common lower jaw anterior tooth - a very difficult position tooth to find. Gorgeous gray colored crown with a black colored bourlette, and light gray root. Highest quality enamel! Exceptionally colored & preserved. The serrations are large and razor sharp with an excellent tip serration. The root is complete and very well preserved. It is very hard to find these teeth in perfect condition. Museum quality.  A killer collector's Harleyville Auriculatus tooth! 

SC409               SIZE: 2-1/2"

A 3-3/16" GEM Harleyville Auriculatus tooth.  A 2nd August Fossil of the Month. An exceptional upper jaw anterior tooth. Gorgeous tan colored crown with a red brown colored bourlette, and red root. Highest quality enamel! Exceptionally colored & preserved. The serrations are large and razor sharp with an good tip serration. The root is complete and well preserved. A killer color tooth from the Lafarge quarry. It is very hard to find these teeth in perfect condition. Museum Quality. A colorful, extra large collector's Harleyville Auriculatus tooth! Best of the BEST!   Rare size. Authenticity guaranteed.

SC405  BoP            SIZE: 3-3/16"

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.

A TOP QUALITY, EXTRA LARGE & very rare Archaeocete whale, Zygorhiza kochii, from Harleyville, So. Carolina. Our 2nd November Fossil of the Month is a highly desirable Zygorhiza molar or "yoke" tooth.  An exceptional chocolate brown colored crown and tan root. The crown has fantastic articulation with incredible detail. Complete root. This tooth has minimal repair to tips of the 3 cusps on the left side only. Very little repair overall for a yoke tooth which are typically heavily repaired.  One of the BEST Archaeocete molars that I have seen from So. Carolina in a long time. A very rare collector's tooth. Museum Quality.  Note - 6" x 8" Riker frame included. One of my favorites!

SC1322        SIZE: 3-3/4"

Note - 14 new Archaeocete whale teeth from So. Carolina added in November 2017. Our largest selection of top quality Archaeocete teeth ever!                     Archaeocete Whale catalog link.

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 excellent matrix specimen that inludes the opposing tooth mold as well. 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. Note - shipping weight is 1.9 lbs. International "free shipping" will require supplemental postage.

I11        SIZE:  3" w/ root  (1-1/2" crown) ;  Matrix block is 3.5" x 3.5"

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

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. Note - this tooth has a lot of pyrite and the tip is naturally rounded (polished)  which thought to be due to the vertical whipping motion used to slice prey.  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. 

I09        SIZE:  4-1/8" w/ root  (1-7/8" crown) 

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

A Top Quality, Mioplosus  fish from the 18 inch layer. The Mioplosus labracoides is an extinct Perch-like fish from the Eocene age (50 MYA), Green River Fm., Lincoln Co. Wyoming. A scarce species. This piece is from the 18 Inch Layer which is extremely hard and difficult to prepare. It also provides the most detailed, highly preserved fossils. Exceptional preservation and preparation. No repair. All natural. Authenticity guaranteed. A wonderful display piece! Incredible detail!   

X494           SIZE: 5-1/2"     

Note - Adding 31 Green River Fm. Fossil fish in November 2024 --> Link to Fossil Fish

A QUALITY Titanosaur tooth from the Cretaceous Kem Kem deposits of Morocco.  Please note that most of the sauropod teeth are now thought to be Titanosaurid teeth (see discussion below). Good quality enamel.  A typical biting surface wear facet. Incredible detail. Good red color. Enamel is heavily articulated. No cracks. A fantastic BIG peglike Titanosaur tooth. No repair or restoration. Authenticity guaranteed. 

M1298       Size: 15/16"  

Note - Adding 6 new Titanosaur teeth in December 2023.     Link to Rebbachisaurus - Titanosaur teeth.