Search results for: '文京区水道1-5-4'

A Top Quality Ptychodus whipplei, an extinct durophagous (shell-crushing) shark, tooth from Dallas Co., Texas. An excellent example of this Upper Cretaceous Arcadia Park Fm. tooth. These massive teeth have a design with a very tall conical cusp with transverse ridges extending across the cusp face, but typically do not reach the margin. Authenticity guaranteed. Perfect tooth. 

T029            SIZE: 1/2"

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

A High Quality Richardoestesia isosceles tooth from Montana. A theropod from the Troodonidae family. These teeth are straight, flat, and possess ultra-fine serrations that run the length of the crown and may be related to Paronychodon (see beow). No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. Authenticity guaranteed. 

DF08       Size: 1/2"

Note - Adding 12 new Richardoestesia teeth in June 2024      Link to Richardoestesia catalog.

A Top Quality exceptionally prepared, rare spiny Dicranurus monstrosus trilobite from Morocco. An exceptional specimen. Expert preparation to show incredible detail and completeness. The huge spines are exceptionally preserved. A very rare and good sized species! Preparation easily took many dozens of hours to clean this specimen! A Lower Devonian trilobite (410 mya). Museum quality specimen. One of my favorite species. Authenticity guaranteed.

XM11         Size: 2"

Note - More than 20 high quality Devonian age Moroccan trilobite species for sale. Authenticity guaranteed.  -->  Link to Moroccan Trilobites.

A rare LARGE, Otodus obliquus vertebra with excellent color from the Khouribga phosphate mining area of Morocco. Exceptional concentric growth rings well preserved as well as the pair of ventral foramina openings along the side. Very thick at 1-3/16". Centra faces are very clean and edge structure is very well preserved and clean. Eocene age. No repair or restoration. Authenticity guaranteed. Exceptional quality. You don't see the large Otodus vertebra any more!  

M1162           SIZE: 3-1/4"  (1-3/16" H)

Note - Adding 6 new Otodus obliquus vertebrae in December 2022.     Link to Otodus vertebrae.

An Extra Large, Quality Megalodon tooth - an upper jaw anterior tooth from So. Carolina. High quality enamel. The black bourlette bourlette is complete. Serrations are sharp including a good tip serration. Interesting cutting edge waves at the base of the crown. Excellent serrations for a BIG Meg.The root is black and extra wide (4-1/4" W) with typical hydration cracks. No repair or restoration. Authenticity guaranteed.  An excellent collector's quality BIG Megalodon tooth.  Great color and eye appeal!

SC104        Size: 5-7/16"  (4-1/4" W)

"The Color Collection - South of the River"  A TOP QUALITY, upper jaw anterior Isurus planus tooth from the Sharktooth Hill area, California. Beautiful colorful red-orange crown with an excellent tan colored root. Excellent preservation. A Middle Miocene age tooth. Incredible color!  An excellent collector's Mako tooth. Authenticity guaranteed. A Fire Zone tooth.

ST324                SIZE: 1-5/8"

Note - Adding 27 colorful Isurus planus teeth in December 2023.  -->  Link to Isurus planus teeth.

"The Color Collection - South of the River"  A TOP QUALITY, upper jaw anterior Isurus planus tooth from the Sharktooth Hill area, California. Beautiful colorful red crown with  an excellent brown colored root. Excellent preservation. A Middle Miocene age tooth. Incredible color!  An excellent collector's Mako tooth. Authenticity guaranteed. A Fire Zone tooth.

ST316                SIZE: 1-5/8"

Note - Adding 34 colorful Isurus planus teeth in January 2022.  -->  Link to Isurus planus teeth.

A very rare Top Quality Paraisurus compressus, an extinct Mackerel shark, tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. tooth. These teeth have a unique design with a a very compressed tooth, very high root face, no cusps, and long slender root lobes. One complete root lobe. Authenticity guaranteed. You do not see these teeth very often.

T222            SIZE: 1"

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

 Large, GEM Carcharias acutissimus lateral teeth. These teeth are from the Loupian location.

FR002 (Left)                   SIZE: 1/2"

A TOP QUALITY copper red colored Chubutensis tooth from the Meherrin River red site, No. Carolina. Rare copper red colors! The bourlette is complete. The serrations and tip are sharp. Complete root. Excellent color! A rare collector's tooth! Authenticity guaranteed.

NC061         SIZE: 1-5/16"

Note - Adding 7 NC red site Chubutensis teeth in January 2025.    Link to NC Chubutensis teeth.

An EXTRA LARGE, TOP QUALITY, Isurus oxyrhincus tooth, the Shortfin Mako, from the Meherrin River, No. Carolina. Upper jaw anterior tooth. An excellent green crown with a copper red root with exceptional gloss. The root shows very nice detail. Absolutely great preservation and condition - extra sharp edges and tip - very clean. Authenticity guaranteed.  Exceptional color!     

NC361              SIZE: 2-1/4"

Note - Adding 7 NC Red I. oxyrhinchus teeth in July 2020. Link to NC Red Oxyrhinchus teeth.

A pair of top quality, EXTRA LARGE ray dermal scutes (barbed type).  These barbed ray dermal scutes are rare!    F932 is a GEM specimen.    F932 Close Up

F931 (Left) SIZE: 1-3/8"