Search results for: '文京区水道1-5-4'

An excellent pair of EXTRA LARGE, GEM Galeocerdo contortusshark teeth. Excellent condition. SC975 is a posterior tooth.

SC975 (Right)         SIZE: 5/8"

A High Quality Rare Alopias grandis shark tooth, an extinct GiantThresher shark, from the Meherrin River copper red site in No. Carolina. An excellent tooth with copper-red colors. Very good preservation and condition. This tooth is middle Miocene age, Hertford Co., NC. No repair or restoration. Authenticity guaranteed. A rare collectors' tooth. Try finding one of these teeth!  I have seen less than six in 30 years.

NC503            SIZE: 1-5/16"

A rare, Top Quality Alopias grandis shark tooth, the extinct Giant Thresher, from the Wando River,  So. Carolina. Nice olive color. Excellent preservation and condition. An Oligocene age tooth. No repair or restoration. These teeth are not commonly found and seen. A rare collectors' tooth in top quality condition. Try finding one of these teeth! Authenticity guaranteed.    

SC844           SIZE: 1-5/16"

Posting 21 Giant Thresher shark teeth in June 2024.    Link to Thresher sharks. 

A rare, Top Quality Alopias grandis shark tooth, the extinct Giant Thresher, from the Wando River, So. Carolina. Excellent blue color. Excellent preservation and condition. An Oligocene age tooth. No repair or restoration. These teeth are not commonly found and seen. A rare collectors' tooth in top quality condition. Try finding one of these teeth! Authenticity guaranteed.    

SC832           SIZE: 1-5/8"

Posting 21 Giant Thresher shark teeth in June 2024.    Link to Thresher sharks. 

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 Glyphis glyphis tooth, the Speartooth shark, from Sumatra, Indonesia. These teeth were deposited in the Telisa formation - a shallow marine environment during the middle Miocene (approx. 15 million years ago.) A very unique collector's tooth. D173 is the lower lateral tooth on the left. Authenticity guaranteed.

D173 (Left)       SIZE: 5/16"

Note - 16 new Sumatran Glyphis glyphis teeth added in January 2018.       Link to Sumatran teeth.

A pair of excellent Myliobatus ray teeth.

K680 (Right)          SIZE: 1-1/16"

An excellent pair of scarce Pristis fajumensis teeth.

F782 (Right)                 SIZE: 1-1/16"

A MASSIVE 6-5/16" Top Quality Megalodon tooth from Georgia - an upper jaw Principal Anterior tooth. A June Fossil of the Month. The crown has excellent Dark Gray & Blue color. The enamel is the High Quality with small hydration cracks. A black colored bourlette which is mostly complete. Sharp, extra large serrations including an good tip serration. The root is a charcoal gray color, nicely articulated, extra thick (1-5/8"), and complete. Incredible color for a BIG Georgia Meg! Weighs over 1.25 pounds. Note - these Georgia Megs are fantastic - little wear and excellent preservation. An excellent color collector's Megalodon tooth from Georgia. No repair. No restoration. Authenticity guaranteed. A top quality BIG Georgia Meg tooth. Massive and heavy!

G101          Size: 6-5/16" (5" wide) (1-5/8" tiick)

Note - Adding 15 new Georgia Megalodon teeth in June 2025.  ->  Link to Georgia Megalodon teeth

A rare Hybodus longiconus tooth with well developed side cusps. This tooth is from Muschelkalk limestone - middle Triassic age (240 million years old).

FR235                 SIZE: 1/4+"

 New  Excellent Hemipristis curvatus teeth.  Excellent color and preservation. M1491 is a slightly pathologic upper jaw anterior tooth.

M1491 (Left)          SIZE: 5/8"