Search results for: 'colorado per patholog 11 year old site/'

A Very Rare, Top Quality (Gem) Rolfodon ludvigseni tooth from Hornby Island, British Columbia, Canada. An August Fossil of the Month. This is a new genius from the Late Cretaceous deep water Northumberland Formation deposit. A unique species of Chlamydoselachiform shark, the Frill shark. These teeth exhibit classic Frill shark design with a central cusp flanked by two lateral cusps. A lateral tooth. The crown is complete and the root is complete. Note - two crown ends were very neatly reattached without fill or gaps which is typical for a matrix free specimen. Crack lines are hard to see without magnification. Highest 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 fantastic Frill shark specimen!

CD92              SIZE: 5/16"  Wide 

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

A Very Rare, Top Quality Rolfodon ludvigseni junvenile tooth from Hornby Island, British Columbia, Canada.  This is a new genius of Frill shark from the Late Cretaceous deep water Northumberland Formation deposit. A unique species of Chlamydoselachiform shark, the Frill shark. (Note - the specimen is the size and character of the extremely rare Chlamydoselachus balli, but it lacks the two small acessory cusps that reside between the main cusps.)  These teeth exhibit classic Frill shark design with a central cusp flanked by two lateral cusps. The crown is near complete with damage to one cusp end and the root may complete or may be missing some root end. Highest 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. An excellent Frill shark specimen!

CD94              SIZE: 3/16"  Wide 

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

A Very Rare, Top Quality Dykeius garethi tooth from Hornby Island, British Columbia, Canada. An August Fossil of the Month. This is a new genius of Frill shark from the Late Cretaceous deep water Northumberland Formation deposit. Another unique species of Chlamydoselachiform shark, the Frill shark. This is the largest Frill shark in the deposit with teeth over 1" tall (28.5 mm). These teeth exhibit classic Frill shark design with a central cusp flanked by two lateral cusps. Dykeius teeth are taller than wide. The crown is complete with one cusp tip reattached and the root is complete. Highest 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. An excellent Frill shark specimen!

CD96              SIZE: 7/16"  Height     

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

A very rare, early Otodus aksuaticus lateral tooth from Kzil-Orda, Kazakhstan. A transitional tooth leading to O. auriculatus (see detailed discussion below) which leads to Megalodon. A July Fossil of the Month. The bourlette is complete. This tooth exhibits small serrations along the lower 1/2 of the crown and micro serrations to the tip. These teeth exhibit excellent color, gloss, and preservation. A rare, early (Ypresian) Eocene Auriculatus transition tooth.  A very challenging tooth to find when building a Megalodon evolutionary set! No repair or restoration. Authenticity guaranteed. This western Kazakhstan site is one of the few places in the world where the Otodus obliquus to Otodus auriculatus transition can be found in adjacent geologic layers. 

K542         SIZE: 2-1/8"

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

A Top Quality Great White shark tooth - upper jaw anterior tooth from Chile. "A COLOR Collection tooth." This tooth has a Blue & Tan colored crown with sprinkles, a distinct gum line, and a brown root. Fantastic color!  Highest quality enamel with no hydration cracks and no peeling. Serrations are large with a great tip serration. Excellent preservation - note nutrient hole on root. An EXCELLENT collector's Great White tooth. No repair or restoration. Authenticity guaranteed. 

C224        Size: 1-11/16"

Note - Adding 25 Chilean Great White teeth in September 2025    Link to Great White shark teeth

A rare Carcharhinus macloti tooth, the Hardnose 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. D134 is the lower jaw tooth on the right. Authenticity guaranteed.

D134 (Right)       SIZE: 1/4"

Note - 50+ new Sumatran Carcharhinus teeth (4 species) added in January 2018.       Link to Sumatran teeth.

A High Quality, Extra Large Great White tooth. Upper jaw anterior tooth. An incredible light tan crown. An excellent crown with very good serrations! High quality enamel. Exceptional color. Extra wide root. Perfect symmetry.  No repair.   This tooth is from a very large Great White shark. My largest Peruvian Great White shark tooth and I won't see any more! A very rare, extra large collector's GW tooth.

P230            SIZE: 2-11/16"   (2" W)

A Top Quality Pachychephalosaurus wyomingensis pes ungual (foot claw) from the late Cretaceous of northern North America. Pachychephalosaurus is the dinosaur which is famous for its large domed head surrounded by spikes. This ungual has excellent color and patina. Complete and well preserved with slight tip wear. Overall an excellent pes ungual. Note - this ungual has the Pachy twist (see Pachy ungual differentiation discussion below). No repair or restoration. An ultra rare Pachy pes ungual! Legally collected on private land in the Hell Creek Fm., Powder River Co., Montana. No repair or restoration. An exceptional collector's quality Pachychephalosaurus claw. Museum quality. Note - claw comes with a Riker type frame. Authenticity guaranteed.

DP22       SIZE: 1-1/2"   

Note - Adding 13 new Pachy spikes, claws, and teeth in April 2023.   Link to Pachy fossils catalog

A QUALITY shark vertebra from the Lee Creek mine, Aurora, No. Carolina. Exceptional condition and preservation. Incredibly defined ventral holes. This vertebara aseptate design and resembles a vertebra from Physogaleus. These vertebrae are rarely found and exceptional specimens are extremely difficult to obtain. These vertebrae were found in Miocene Pungo River Formation (15 million years old). Authenticity guaranteed. 

LC969              SIZE: 1-3/16" width x 1-1/8" length

Note - Adding 9 new Lee Creek teeth vertebrae in March 2023.     Link to Lee Creek Shark vertebra. 

A rare Top Quality Hexanchus collinsonae tooth, a Sixgill Cow shark, from the Muddy Creek / Fisher - Sullivan site, Virginia.  An upper jaw tooth with 3 primary cusps. Incredible color and preservation. This is an Early Eocene (Ypresian) age, Nanjemoy Formation tooth. A special collector's Cow shark tooth. Authenticity guaranteed. 

MC963         Size: 3/8"

Note adding 15 Muddy Creek Cow shark teeth in June 2022.  --> Link to Muddy Creek Cow Shark teeth

A rare Quality Hexanchus collinsonae tooth, a Sixgill Cow shark, from the Muddy Creek / Fisher - Sullivan site, Virginia.  An upper jaw tooth with 2 primary cusps. Good color and preservation. This is an Early Eocene (Ypresian) age, Nanjemoy Formation tooth. A special collector's Cow shark tooth. Authenticity guaranteed. 

MC962         Size: 3/8"

Note adding 15 Muddy Creek Cow shark teeth in June 2022.  --> Link to Muddy Creek Cow Shark teeth

A rare Quality Hexanchus collinsonae tooth, a Sixgill Cow shark, from the Muddy Creek / Fisher - Sullivan site, Virginia.  An upper jaw tooth with 2 primary cusps. Good color and preservation. This is an Early Eocene (Ypresian) age, Nanjemoy Formation tooth. A special collector's Cow shark tooth. Authenticity guaranteed. 

MC961         Size: 7/16"

Note adding 15 Muddy Creek Cow shark teeth in June 2022.  --> Link to Muddy Creek Cow Shark teeth