Search results for: '文京区水道1-5-4'

A Top Quality Ptychodus polygyrus, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Kamp Ranch Fm. tooth. These massive teeth have a design with 8 to 9 fine transverse ridges extending across the cusp face and transition to a concentric pattern at the base of the cusp. Authenticity guaranteed. Near perfect tooth - root not complete. This is a rare species.

T261            SIZE: 1"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas 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

A Very Rare, Top Quality Notidanodon pectinatus tooth from Hornby Island, British Columbia, Canada. An August Fossil of the Month. This genius is from the Late Cretaceous deep water Northumberland Formation deposit. A unique species of Hexanchiforme shark. The crown is complete with 8 cusplets (1 damaged) and the root is complete (cracked).  High quality enamel. No repair. A very difficult tooth to locate and an excellent collector's tooth. Authenticity guaranteed. This incredible specimen is from a 20 year old collection. A very special tooth.

CD101             SIZE: 3/4"  Wide 

Note - Adding 64 Hornby Island deep water shark teeth.   ->   Link to all Hornby Island shark teeth.

A rare, early Auriculatus lateral tooth from Kzil-Orda region, Kazakhstan. The bourlette is complete. Excellent coarse serrations, large side cusps serrations, and with very irregular serrations. These teeth exhibit fantastic color, gloss, and preservation. A rare early Eocene Auriculatus tooth (Ypresian age - 55 MYA)! No repair or restoration. Authenticity guaranteed. This is the true early Eocene Auriculatus tooth!

K510           SIZE: 1-3/4"

Note - Adding 24 Kazakh Auriuclatus or transition teeth in July 2024. -->  Link to Kazakh Auriculatus teeth.

A rare, early Auriculatus lateral tooth from Kzil-Orda region, Kazakhstan. The bourlette is complete. Excellent coarse serrations, large side cusps serrations, and with very irregular serrations. These teeth exhibit fantastic color, gloss, and preservation. A rare early Eocene Auriculatus tooth (Ypresian age - 55 MYA)! No repair or restoration. Authenticity guaranteed. This is the true early Eocene Auriculatus tooth!   

K503           SIZE: 2-1/4"

Note - Adding 24 Kazakh Auriuclatus or transition teeth in July 2024. -->  Link to Kazakh Auriculatus teeth.

A LARGE, 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 tip measures 1-3/16" - an excellent Tyrannosaur tooth. The enamel is high quality with excellent color. Anterior serrations and posterior serrations are excellent. No cracks. No repair or restoration. Legally collected on private land in the Judith River Fm., Hill Co., Montana. Authenticity guaranteed. A large, collector's tooth tip. A GEM case display is included.

DY22         SIZE: 1-3/16"   (Base: 11/16" x  1/2")

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

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 1-3/16" - an excellent Tyrannosaur tooth. The enamel is highest quality with excellent color. Anterior serrations and posterior serrations are excellent. One crack filled. No restoration. Legally collected on private land in the Judith River Fm., Hill Co., Montana. Authenticity guaranteed. An excellent collector's tooth. A GEM case display is included.

DY21         SIZE: 1-3/16"   (Base: 1/2" x  3/8")

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

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 2-1/16" - an excellent Tyrannosaur tooth. A dentary tooth. The enamel is high quality with excellent color. Anterior and posterior serrations are excellent. One crack. 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.

DY07         SIZE: 2-1/16"   (Base: 7/8" wide x 1/2")

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

An EXTRA LARGE, Top Quality Pentremites sp. blastoid from the Millstadt, Illinois. Exceptional detail. Found in the Ridenhower Fm., Mississippian age. A fantastic display piece!   

CR03       SIZE: 1" x  1"

Name: Pentremites blastoid      Age: Mississippian (310 MMYA)        Location: Millstadt, Ilinois

Note - Adding a 9 piece crinoid collection in November 2023.  ->    Link to Crinoids

A Top Quality mammal coprolite (fossil dung). So detailed that is it hard to believe. Incredible preservation. It is Miocene age (approx. 20 million years ago) from the Wilkes Fm., Toledo, Washington. A very unique and fantastic gift item. Authenticity guaranteed. And they don't stink!

X013          SIZE: 1-5/8" x 1-1/4"

Note - 15 new coprolite fossils added in November 2022.       Link to coprolites.

A TOP QUALITY Tapirus sp. tooth from the Pleistocene of Georgia. An extinct Tapir. This tooth has excellent preservation. It's complete with absolutely no restoration or repair. A wonderful Pleistocene specimen. Authenticity guaranteed.

X745          SIZE: 1-3/8” x 1"

Note – adding 6 tapir teeth in March 2022.   Link to Tapir fossils