Search results for: 'group o guid upper age'

An ultra rare Top Quality, upper jaw parasymphyseal Notorynchus kempi, Seven-gill Cow shark, tooth from Kent, Kazakhstan. An Eocene (Bartonian) Cow shark species. Kazakh N. kempi teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. A Perfect tooth. One of the finest localities for Eocene age shark teeth! 

K438          SIZE: 9/16"

Note - Adding 30 Kazakh Notorhynchus teeth in April 2022.    Kazakhstan Notorhynchus Catalog

An ultra rare Top Quality, upper jaw parasymphyseal Notorynchus kempi, Seven-gill Cow shark, tooth from Kent, Kazakhstan. An Eocene (Bartonian) Cow shark species. Kazakh N. kempi teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. A near Perfect tooth. One of the finest localities for Eocene age shark teeth! 

K437          SIZE: 5/8"

Note - Adding 30 Kazakh Notorhynchus teeth in April 2022.    Kazakhstan Notorhynchus Catalog

An ultra rare Top Quality, upper jaw Notorynchus kempi, Seven-gill Cow shark, tooth from Kent, Kazakhstan. An Eocene (Bartonian) Cow shark species. Kazakh N. kempi teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. A Perfect tooth. One of the finest localities for Eocene age shark teeth! 

K436          SIZE: 11/16"

Note - Adding 30 Kazakh Notorhynchus teeth in April 2022.    Kazakhstan Notorhynchus Catalog

An ultra rare, Top Quality EXTRA LARGE Edestus heinrichi shark whorl section with 4 big crowns, from Sparta, Illinois. An August Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation and serrations. Note - extra long root whorl section with 4 extra large crowns - very rare. 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 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. Four crown whorl sections are extremely rare! 

I01  BoP           SIZE: 2" teeth   (Whorl  6")

Adding 15 Edestus shark specimens in August 2020.    Link to Edestus shark.

An ultra rare, Top Quality EXTRA LARGE Edestus heinrichi shark whorl section with 3 big crowns, from Herrin, Illinois. An April Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation and serrations. Note - extra long root whorl section with 3 extra large crowns - very rare. 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 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. Note - Two crown tips were professionally retored. Authenticity guaranteed. Three crown whorl sections are rare! 

I01 BoP2           SIZE: 1-3/4" teeth   (Whorl  7-1/4")

Adding 15 Edestus shark specimens in April 2021.    Link to Edestus shark.

A nice Odontaspis ferox anterior tooth with crazy long and sharp side cusps from Chile. A Sand Tiger shark. Great color and preservation. Super collector's tooth. Authenticity guaranteed.

C668          Size: 9/16"

An ultra rare Top Quality, upper jaw Notorynchus kempi, Seven-gill Cow shark, tooth from Kent, Kazakhstan. This tooth has four primary cusps. An Eocene (Bartonian) Cow shark species. Kazakh N. kempi teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. A near Perfect tooth. One of the finest localities for Eocene age shark teeth! 

K434          SIZE: 3/4"

Note - Adding 30 Kazakh Notorhynchus teeth in April 2022.    Kazakhstan Notorhynchus Catalog

Excellent photos of Peru desert, museum displays, Peruvian shark teeth collections, shark dentitions, marine mammals, cultural photos, and Mark's story line. A great guide for Peruvian shark teeth. Great on location photos. 197 pages. Note - an intenational shipping surcharge may be required for qualified free shipping orders.

BB13              Size:   5-1/4"  x 8-1/4"

An ultra rare Top Quality, upper jaw Notorynchus kempi, Seven-gill Cow shark, tooth from Kent, Kazakhstan. This tooth has six primary cusps. An Eocene (Bartonian) Cow shark species. Kazakh N. kempi teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. A Perfect tooth. One of the finest localities for Eocene age shark teeth! Incredible black color!

K441           SIZE: 3/4"

Note - Adding 30 Kazakh Notorhynchus teeth in April 2022.    Kazakhstan Notorhynchus Catalog

An ultra rare Top Quality, upper jaw Notorynchus kempi, Seven-gill Cow shark, tooth from Kent, Kazakhstan. This tooth has a very unique design. An Eocene (Bartonian) Cow shark species. Kazakh N. kempi teeth are quite rare and excellent examples are hard to locate. No repair or restoration. Authenticity guaranteed. A near Perfect tooth. One of the finest localities for Eocene age shark teeth! 

K435          SIZE: 3/4"

Note - Adding 30 Kazakh Notorhynchus teeth in April 2022.    Kazakhstan Notorhynchus Catalog

An ultra rare, Top Quality Edestus heinrichi, a complete whorl with three crowns from Herrin, Illinois. A July Fossil of the Month. This is a Paleozoic shark that lived in swamp that our now underground coal deposits. Exceptional 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 to cut prey. It is the first animal to cut vertically with linear tooth whorls. A very strange looking and unique acting shark. This whorl is incredibly massive at 6" long with three crowns. The whorl body is well perserved with an excellent bright line of pyrite below the crown enamel. The crowns are large at 1-5/8" wide and look fantastic. Note - One crown tip has a small professional repair (~1/8") which is very common for a whorl. Pennsylvanian age from Illinois. Authenticity guaranteed. The Edestus shark recreation image is credited to Julio Lacerdo. These Edestus whorls are extremely rare. This whorl comes with a custon steel stand and  makes a fantastic display piece. My lowest price ever for a complete whorl! 

I01        SIZE:  6" whorl  (1-5/8"+ crowns)  ;  Height is 4-1/8" on stand.

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

An ultra rare, LARGE Top Quality Edestus heinrichi shark whorl with 7 big crowns, from Herrin, Illinois. An October Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. Excellent preservation and serrations. This whorl is incredible teeth detail - the first 5 crowns are all natural and the the last two have some top repair. One of the finest whorls that I have had. 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 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. Note - Two crown tips were professionally retored. Authenticity guaranteed. Seven plus crown whorl sections are ultra rare!  The BEST.

I01 BoP3         SIZE: 1-3/4" teeth   (Whorl :  10-1/4" length) 

Adding 11 Edestus shark specimens in October 2021.    Link to Edestus shark.