Search results for: 'very electrique alteri guid peru 50'

A very rare, Top Quality Edestus heinrichi shark tooth, from Herrin, Illinois. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. An incredible brown colored specimen - very unusual. Excellent 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 or a vertical whipping 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. 

I10        SIZE:  3-1/2" w/ root  (1-5/8" crown) 

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

Wow! A rare, GEM pathologic Carcharinus leucas tooth (Bull shark) with a severely distorted cutting edge. This tooth is a late Miocene in age from the Inglesa Fm. of Chile. The entire right side of the tooth is compressed and pushed back - a very unusual pathology. Incredible color and preservation. Perfect tooth. Authenticity guaranteed. Museum quality.

C841              SIZE: 5/8"

A Top Quality Seven-Gill Cow shark (Notorhynchus) - Lower Jaw Symphyseal (very rare position) fossil shark tooth from Calvert Cliffs, Maryland. A female shark. Razor and complete sharp cusps. Miocene age from the Calvert Formation. Gorgeous tooth for the rare tooth collector! Near perfect tooth. Authenticity guaranteed.

MD011             Size: 9/16" W

A Top Quality Seven-Gill Cow shark (Notorhynchus) - Lower Jaw Symphyseal (very rare position) fossil shark tooth from Calvert Cliffs, Maryland. A female shark. Razor and complete sharp cusps. Miocene age from the Calvert Formation. Gorgeous tooth for the rare tooth collector! Near complete tooth. Authenticity guaranteed.

MD012             Size: 9/16" W

A LARGE, exceptional natural Kranosphinctes (Perisphinctes) ammonite showing a very nice external design from Saharaha, Madagascar.  Jurassic age. A gorgeous display item!  Authenticity guaranteed. Note - This item weighs 7 lbs.  International customers will not have free shipping. 

X275      Size: 8-3/4"  (2-1/2" wide)

Note - Adding 17 Madagascar ammonites in November 2024  -->   Link to Madagascar ammonites

A very rare, early Otodus aksuaticus anterior tooth from Kzil-Orda, Kazakhstan. A transitional tooth leading to O. auriculatus (see detailed discussion below) which leads to Megalodon. 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. 

K546         SIZE: 1-9/16"

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

A very rare, early Otodus aksuaticus anterior tooth from Kzil-Orda, Kazakhstan. A transitional tooth leading to O. auriculatus (see detailed discussion below) which leads to Megalodon. 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. 

K545         SIZE: 1-3/4"

Note - Adding 24 Kazakh Auriuclatus or transition teeth in July 2024. -->  Link to Kazakh Auriculatus 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. The bourlette is complete. This tooth exhibits small serrations along the lower 1/3 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. 

K543         SIZE: 1-7/8"

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

A rare Top Quality, Allosaurus fragilis  tooth. This Allosaurus crown measures 1-9/16". The enamel is high quality. Great rich dark brown color. Very good serrations. Minor crack fill. Very good overall condition. No repair or restoration. Allosaurus was the apex predator during the late Jurassic with large teeth designed to slash predators. Legally collected on private land in the Morrison Fm., Bone Cabin Quarry, Como Bluff, Wyoming. Authenticity guaranteed.  Note - A gem case will be included.

DL07         SIZE: 1-9/16"   

Note - Adding 8 Allosaurus fossils in January 2023    Link to Allosaurus teeth

A GEM, Pristiophorous lanceolatus rostal tooth from the Bahia Iglesa Fm. of Chile. The crown is exceptionally clean and sharp. This Saw shark - Pristiophorous lanceolatus is a from late Miocene deposit. Beautiful color and fantastic preservation! Near maximum size. Authenticity guaranteed. You don't see quality Neogene Saw shark rostal teeth very often.

C502              SIZE: 1-11/16"

A Top Quality, Pristiophorous lanceolatus rostal tooth from the Bahia Iglesa Fm. of Chile. The crown is exceptionally clean and sharp. This Saw shark - Pristiophorous lanceolatus is a from late Miocene deposit. Beautiful color and fantastic preservation! Large size. Authenticity guaranteed. You don't see quality Neogene Saw shark rostal teeth very often.

C504              SIZE: 1-9/16"

A Top Quality, Pristiophorous lanceolatus rostal tooth from the Bahia Iglesa Fm. of Chile. The crown is exceptionally clean and sharp. This Saw shark - Pristiophorous lanceolatus is a from late Miocene deposit. Beautiful color and fantastic preservation! Large size. Authenticity guaranteed. You don't see quality Neogene Saw shark rostal teeth very often.

C505              SIZE: 1-9/16"