Search results for: 'silver shark alteri biting 1'

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.

An incredibly well preserved egg shell section from a Saltasaurus, a Titantosaur sauropod, from Patagonia, Argentina. These egg shell large pieces are larger than most and are massive with a shell thickness up to 1/4". These late Cretaceous age shells were found in the Anacleto Formation (80 MYA) in the Neuquen Province, Patagonia, Argentina. All natural. No restoration. Authenticity guaranteed. You can own a rare 80 million year old sauropod egg section!

A211       Size: 1-1/4"  (3/16" thick)

Note - Adding 19 Argentine Saltasaurus egg shells .  ->  Link to Saltasaurtus egg shells

A rare High Quality, Large Heterodontus dorsal spine - the Horn shark from the Sharktooth Hill area, near Bakersfield, California. These Heterodontus spines only occasionally fossilize and they are quite rare. A great defensive weapon for the Horn shark! No repair or restoration. Authenticity guaranteed. The Sharktooth deposits produce the largest and best fossil Horn shark spines.

ST118        SIZE: 2-1/8"

An ultra rare, LARGE, Top Quality Edestus heinrichi partial tooth whorl, from Herrin, Illinois. A July Fossil of the Month. This is a Paleozoic shark that lived in swamps that our now underground coal deposits. An ultra rare triple crown whorl section with exceptional quality crowns. 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. 

I03        SIZE:  6-5/8" w/ root  (1-7/8" crown) 

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

An excellent pair of Carcharias cuspidata teeth.

F452 (Right)                      SIZE: 3/4"

GEM extra large Galeocerdo aduncus teeth.

F153 (Left)                 SIZE: 7/8''

A pair of top quality, ray dermal scutes (spiked type).  These spiked ray dermal scutes are scarce!    F935 is a double specimen.

F936 (Right)                 SIZE: 7/8"

A pair of top quality, ray dermal scutes (barbed type).  These barbed ray dermal scutes are rare!    F938 is an EXCELLENT barbed specimen.

F938 (Right)                  SIZE: 3/4"

A pair of top quality, ray dermal scutes (knob type). These knobed ray dermal scutes are cool! F939 is a double specimen.

F939 (Left)                   SIZE: 3/4"

A Top Quality Isurus oxyrinchus, the Shortfin Mako, a lateral tooth from Baja, Mexico. Highest quality enamel. Excellent tan color with a tan root. Very good preservation and condition - extra sharp edges. This is a Pliocene age tooth from the Gloria Fm. Authenticity guaranteed. A fantastic collector's tooth from a rare locality.  

MX223        Size: 1"

Posting 19 species (68 rare shark teeth) from Baja, Mexico.   Link to Mexican shark teeth -> Mexico shark teeth