Search results for: '文京区水道1-5-4'

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. 

I18          SIZE:  2-1/2" w/ root   (1-1/4"crown)

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

An EXTRA LARGE, Top Quality Enchodus libycus tooth from the phosphate region of Morocco. This was a fearsome fish with giant teeth from the Late Cretaceous. Complete specimen with no repair! Authenticity guaranteed.

M1003           SIZE: 2-1/8"

Note - Seven new Enchodus teeth added in January 2020.      Enchodus Catalog Link

A GEM Pachychephalosaurus wyomingensis maxillary tooth from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. The enamel is excellent quality with excellent color / patina. Typical wear faucet from grinding on opposing teeth. Note - strong high center ridge and assymetry (see Pachy maxillary teeth differentiation discussion below). No cracks or restoration. An ultra rare Pachy maxillary tooth! Legally collected on private land in the Hell Creek Fm., Carter Co., Montana. An excellent collector's quality Pachychephalosaurus tooth. Note - tooth comes with the gem case pictured. Authenticity guaranteed.

DP08       SIZE: 7/16"    

Note - Adding 13 new Pachy fossils in July 2018.       Link to Pachy fossils catalog

A Top Quality Hemipristis serra shark tooth from So. Carolina. Highest quality enamel. A tan & black crown with a brown root. Exceptional color! Upper jaw tooth. Sharp serrations. Great eye appeal. No repair or restoration. Authenticity guaranteed. An excellent collector's tooth. 

SC461        SIZE: 1-3/8"  

Note - Adding 15 new So. Carolina Hemipristis teeth in October 2020.  -> Link to SC Hemipristis teeth

An EXTRA LARGE, Top Quality, rare Spinifructus antiquus palm fruit specimen from Montana. These "dinosaur age" palm fruits are found in the Hell Creek Formation of Dawson Co., Montana. These Upper Cretaceous palm fruits are high quality with great preservation. They are fully inflated spheres and maximun size. Authenticity guaranteed.    

X373        Size: 1-1/4"

Note - Adding 26 new pine cone & fruit specimens in March 2022.   Link to Pine Cone fossils.

A LARGE,GEM Heterodontus anterior tooth. Exceptional condition. A difficult to find species! The BEST.

C856            SIZE: 3/32"

A Top Quality, Carcharhinus leucas, Bull shark, tooth from the Ridgeville, So. Carolina. A lower jaw tooth. The tooth is exceptionally clean and sharp. This Bull shark - Carcharhinus leucas is a from late Miocene deposit. Beautiful color and fantastic preservation! Authenticity guaranteed. 

SC761             SIZE: 13/16"

Note - Adding 12 So. Carolina Bull shark teeth in Oct. 2020  ->  Link to So. Carolina Bull shark teeth

A LARGE Quality, Megalodon tooth - an upper jaw tooth from Summerville, South Carolina. A wild Brown & Tan colored crown with white highlights. Good quality enamel. The bourlette is a large and multi-colored color. The serrations are worn. The root is brown color, wide, and complete. No repair or restoration. Authenticity guaranteed.  A crazy colored collector's Megalodon tooth. An excellent big Megalodon tooth from a scarce location!

SC004       Size: 5-5/8"  (4-5/8" wide)

Note - Adding 20 new SC Megalodon teeth in October 2025  ->  Link to SC Megalodon teeth.

A HIGH QUALITY Megalodon - upper jaw tooth from West Java, Indonesia. This Megalodon has an incredible light tan colored crown with golden tan colored bourlette. Highest quality enamel. Very good Color! The serrations are razor sharp. The root is complete with mimimal pits that happens with most West Java Megs. Miocene Age. No repair or restoration. Authenticity Guaranteed. 

IN73        Size: 3-1/4"  

Note - Adding 30 HQ Indonesian Megalodon Teeth in July 2020.  ->   Link to HQ Indonesian Megs

A Devonian sea floor slab with a Eldredgops (Phacops) rana milleri trilobite from the Silica Shale Formation of Ohio. The also three large pyrite replaced Paraspirifer bownockeri brachiopods, three Mucrospirifer mucronatus brachiopods, and other specimens. The Eldredgops has excellent detail on the compound eyes - very well preserved. The quality of the Silica Shale Fm. fossils are incredible. A rare sea floor specimen from the Middle Devonian (380 mya), Silica Shale Fm. from Lucas Co., Ohio. You don't see multi-species slabs for sale. A Museum Quality specimen. One of my favorites!  Note - This item weighs 9 lbs. An international shipping surcharge will be applied to "Free Shipping". Please inquire for cost.

X101      Eldredgops  Size: 1-3/4"   ;    Paraspirifer  Size: 2-1/4" ;      Mucrospirifer Size: 1-1/8"

Note - Posting 5 trilobites in December 2021.  ->  Link to US Trilobites.

A Top Quality, Tyrannosaur tooth from the late Cretaceous (Campanian) in northern North America. Please note that this tooth could Gorgosaurus or Daspletosaurus - see Detailed Discussion below. This tooth measures 1-3/4" - an excellent Tyrannosaur tooth. A maxillary tooth. The enamel is high quality with excellent color. Anterior  and posterior serrations are excellent. One crack. Root etching. No restoration. Legally collected on private land in the Judith River Fm., Winifred Co., Montana. Authenticity guaranteed. An excellent collector's tooth. A Riker display case is included.

DY09         SIZE: 1-3/4"   (Base: 3/4" wide)

Note - Added 26 new Tyrannosaur teeth in October 2025.     Link to Tyrannosaur teeth catalog.

Excellent set of three Physogaleus teeth.

B325        SIZE: 3/8"