Search results for: 'group of tsushima base stone kingi'

A natural Hoploscaphites nodosus ammonite and a Nautilus (Eutrephoceras) with excellent preservation of the shell material. A December Fossil of the Month. This ammonite species exhibits big ribs with large tubercles (nodes). Both ammonites are nicely displayed on their original Pierre Shale matrix with a flat base. Matrix size is 4.5" x 2.5". This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.  Note - this specimen weighs 1.6 lbs. An international supplemental shipping charge will apply.

SD06        Size: 2-3/4"  &  2"

Note - Adding 10 So. Dakota ammonites in December 2020.  -->  Link to So. Dakota Ammonites

Three natural Hoploscaphites nebrascensis ammonites in a cluster with excellent preservation of the shell material. There are three ammonites in this cluster. The shell material has some natural iridescence.  This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits in an original Pierre Shale nodule with a flat base for a great display. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece. Note - this specimen weighs 1.4 lbs. An international supplemental shipping charge will apply.

SD01        Size: 2"

Note - Adding 10 So. Dakota ammonites in December 2020.  -->  Link to So. Dakota Ammonites

A Very Rare, High Quality Hexanchus microdon symphyseal tooth from Hornby Island, British Columbia, Canada. This is a species from the Late Cretaceous deep water Northumberland Formation deposit. A species of Hexanchiforme shark. The crown is complete (7 cusps!) and the root base is damaged. 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. The symphyseal is always a rare position tooth to find from a rare locality!

CD56              SIZE: 3/16" Wide

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

A Top Quality, Extra Large rare transition GW tooth, Carcharodon hubbelli. An upper jaw anterior tooth. Another December 2017 Fossil of the Month. The C. hubbelli serrations are full at the base of the cutting edge, transition to fine serrations at mid crown and disappear towards the tip. This tooth has an excellent blue colored crown ("blue site"), brown root, and a vivid dark maroon "gum line". Excellent color. No repair. Authenticity guaranteed. An exceptional GW transition form!  It will be extremely difficult to locate another large, top quality Carcharodon hubbelli since the few that exist are buried in collections. 

C201T  BoP            SIZE: 2-9/16"

An EXTRA LARGE, GEM QUALITY Spinosaurus aegyptiacus tooth from the Kem Kem region of Morocco. A rare  rooted tooth! An April Fossil of the Month. Highest quality enamel with well preserved and pronounced grooves running up the crown. Excellent dark red color. Extra wide base (1-1/4"). No cracks. Very small tip wear - an excellent tip. No repair or restoration. 100% natural. An exceptional quality, BIG collector's Spinosaurus tooth!  Authenticity guaranteed. You rarely see an extra large Spinosaurus with no damage and no repair!  The BEST.

M1230 BoP       Size: 4-1/2"    (1-1/4")

Note - Adding 15 new Spinosaurus teeth added in April 2024.     Link to Spinosaurus teeth.

A TOP QUALITY serrated Nanotyrannus lancensis premaxillary tooth from the western US. The premaxillary teeth were the front teeth, have a "D" shaped base, and were not large. Most Nano premaxillary teeth are non-serrate. This Nano has strong serrations - rare.  The right side serrations have some wear or damage. This tooth measures 9/16" (straight line). The enamel is xcellent quality. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Custer Co., Montana. Authenticity guaranteed.  An excellent collector's Nano tooth. 

DN26        SIZE: 9/16"

Note - Adding 24 Nanotyrannus teeth in March 2025  ->  Link to Nano Teeth

A LARGE, TOP QUALITY serrated Nanotyrannus lancensis premaxillary tooth from the western US. A March Fossil of the Month. The premaxillary teeth were the front teeth, have a "D" shaped base, and were not large. Most Nano premaxillary teeth are non-serrate. This Nano has strong serrations - rare.  The right side serrations have some wear or damage. This tooth measures 7/8" (straight line). The enamel is excellent quality. No cracks. No repair or restoration. Legally collected on private land in the Hell Creek Fm., Custer Co., Montana. Authenticity guaranteed.  An excellent collector's Nano tooth. 

DN25        SIZE: 7/8"

Note - Adding 24 Nanotyrannus teeth in March 2025  ->  Link to Nano Teeth

A rare TOP QUALITY, Great White shark transition tooth, Carcharodon hubbelli. A lower jaw anterior tooth with side cusps - a juvenile shark characteristic. This C. hubbelli tooth has small serrations at the base of the cutting edge that disappear towards the tip. This tooth has an excellent tan colored crown and tan root. Fantastic color!  No repair or restoration. Authenticity guaranteed. An exceptional Great White transition form!  It will be extremely difficult to locate Carcharodon hubbelli since there is no new supply. 

C206T           SIZE: 1-1/2"

Note - Adding 7 new C. hubbelli (GW transition) teeth in September 2025      Link to GW Transition Teeth

A rare TOP QUALITY, Great White shark transition tooth, Carcharodon hubbelli. A lower jaw anterior tooth with side cusps - a juvenile shark characteristic. This C. hubbelli tooth has small serrations at the base of the cutting edge that disappear towards the tip. This tooth has an excellent tan colored crown and tan root. Fantastic color! No repair or restoration. Authenticity guaranteed. An exceptional Great White transition form!  It will be extremely difficult to locate Carcharodon hubbelli since there is no new supply. 

C205T           SIZE: 1-5/8"

Note - Adding 7 new C. hubbelli (GW transition) teeth in September 2025      Link to GW Transition Teeth

An EXTRA LARGE, rare TOP QUALITY, Great White shark transition tooth, Carcharodon hubbelli. An upper jaw anterior tooth on its original phosphorite matrix. This C. hubbelli tooth has medium to small serrations at the base of the cutting edge that disappear towards the tip. This tooth has an excellent tan colored crown and tan root. Fantastic color!  No repair or restoration. Authenticity guaranteed. An exceptional Great White transition form!  It will be extremely difficult to locate Carcharodon hubbelli since there is no new supply. An excellent display piece.

C202T           SIZE: 2-11/16"

Note - Adding 7 new C. hubbelli (GW transition) teeth in September 2025      Link to GW Transition Teeth

An EXTRA LARGE, rare TOP QUALITY, Great White shark transition tooth, Carcharodon hubbelli. An upper jaw anterior tooth. A September Fossil of the Month. This C. hubbelli tooth has medium to small serrations at the base of the cutting edge that disappear towards the tip. This tooth has an excellent tan colored crown and tan root. Fantastic color!  No repair or restoration. Authenticity guaranteed. An exceptional Great White transition form!  It will be extremely difficult to locate Carcharodon hubbelli since there is no new supply. An excellent display piece.

C201T           SIZE: 2-5/8"

Note - Adding 7 new C. hubbelli (GW transition) teeth in September 2025      Link to GW Transition Teeth

A rare, LARGE rooted Top Quality Prognathodon anceps tooth with a jaw section from the phosphate mining region, Khouribga, Morocco. P. anceps is the largest mosasaur species known with huge with wide teeth used for crushing prey.  Exceptional condition and preservation. Note - this large Moroccan Mosasaur was renamed to a Prognathodon genus. The crown measures 2-1/2". Wide base and root. One crack. No restoration. A BIG Mosasaur tooth from the hero of Jurassic World! Authenticity guaranteed. This is an excellent specimen with a jaw section! 

M1050        SIZE:  4-3/8"   (1-1/2" wide) 

Note - Adding 8 Mosasaur teeth in November 2025.   -->   Link to Mosasaur teeth.