Search results for: 'Passer à la fin de la galerie d'images Passer au début de la galerie d'images Otodus sokolovi -'

A very rare, early Otodus mugodzharicus upper jaw, lateral tooth from Aktulagay, western Kazakhstan. A transitional tooth leading to C. auriculatus (see detailed discussion below) which leads to Megalodon. A November Fossil of the Month.The bourlette is complete. Tooth exhibits "wavy serrated" edges similar to the Isurus escheri tooth. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene Auriculatus transition tooth. A very challenging tooth to find when building a Megalodon evolutionary set! No repair. Authenticity guaranteed. This western Kazakhstan site is one of the few places in the world where the Otodus to Auriculatus transition can be found in adjacent layers. Note - This is my last offering of Aktluagay teeth.

K552         SIZE: 1-9/16"

Note - Adding 19 Kazakh Auriuclatus or transition teeth in November 2021. -->  Link to Kazakh Auriculatus teeth.

A very rare, early Otodus mugodzharicus upper jaw, lateral tooth from western Kazakhstan. A transition tooth leading to C. auriculatus (see detailed discussion below). The bourlette is large and complete. Exhibits very fine serrations along the lower 2/3 of the crown and weakly serrated side cusps with very irregular serrations. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene Auriculatus transition tooth. A very challenging tooth to find when building a Megalodon evolutionary set! No repair. Authenticity guaranteed.

K552 BoP        SIZE: 1-1/2"

Note - Adding 16 Kazakh Auriuclatus or transition teeth in December 2018. -->  Link to Kazakh Auriculatus teeth.

An ultra rare, early Otodus aksuaticus upper jaw, lateral tooth from western Kazakhstan. A transition tooth leading to C. auriculatus (see detailed discussion below). A May 2019 Fossil for the Month. The bourlette is large and complete. Exhibits small serrations along the lower 2/3 of the crown and weakly serrated side cusps with very irregular serrations. These teeth exhibit very good color, gloss, and preservation. A rare, early Eocene Auriculatus transition tooth. A very challenging tooth to find when building a Megalodon evolutionary set! No repair. Authenticity guaranteed.

K541  BoP          SIZE: 2-1/16"

Note - Adding 13 Kazakh Auriuclatus or transition teeth in May 2019. -->  Link to Kazakh Auriculatus teeth.

Holmsella sp.; an  Extinct Primitive shark

A very rare shark skin specimen. This matrix piece is covered with dermal denticals. Shark skin impressions with denticals are extremely rare and a Paleozoic age find adds to the rarity. An exceptional collector's piece from an old collection!

Age: Pennsylvanian (295 mya) ; Dennis Fm.

Location: Hansen Quarry, La Platte, Nebraska

Z143         SIZE: 5-1/2"  x  4"

Holmsella sp.; an  Extinct Primitive shark

A very rare shark skin specimen. This matrix piece is covered with dermal denticals. Shark skin impressions with denticals are extremely rare and a Paleozoic age find adds to the rarity.  An exceptional collector's piece from an old collection!

Age: Pennsylvanian (295 mya) ; Dennis Fm.

Location: Hansen Quarry, La Platte, Nebraska

Z144            SIZE: 4" x 2-1/2"

A Top Quality Squalus acanthius, the Piked Dogfish shark tooth from the "De Kuilen" sand pit, Mill, The Netherlands. This tooth has excellent color and preservation. Sharp cutting edge. The age is late Miocene (approx. 6-8 million years ago). An excellent collector's tooth. Authenticity guaranteed.

N373       SIZE: 1/8"

A Top Quality Squalus acanthius, the Piked Dogfish shark tooth from the "De Kuilen" sand pit, Mill, The Netherlands. This tooth has excellent color and preservation. Sharp cutting edge and tip. The age is late Miocene (approx. 6-8 million years ago). An excellent collector's tooth. Authenticity guaranteed.

N372      SIZE: 1/8"

A Top Quality Carcharias acutissima, a Requiem shark tooth from the "De Kuilen" sand pit, Mill, The Netherlands. A lateral tooth. This tooth has excellent color and preservation. Sharp cutting edge and tip. The age is late Miocene (approx. 6-8 million years ago).  An excellent collector's tooth. Authenticity guaranteed.

N184     SIZE: 3/4"

A Top Quality Squalus acanthius, the Piked Dogfish shark tooth from the "De Kuilen" sand pit, Mill, The Netherlands. This tooth has excellent color and preservation. Sharp cutting edge and tip. The age is late Miocene (approx. 6-8 million years ago). An excellent collector's tooth. Authenticity guaranteed. Perfect tooth.

N376      SIZE: 1/8"

An EXTRA LARGE, Top Quality Carcharias acutissima, a Requiem shark tooth from the "De Kuilen" sand pit, Mill, The Netherlands. An anterior tooth. This tooth has excellent color and preservation. Sharp cutting edge and tip. The age is late Miocene (approx. 6-8 million years ago).  An excellent collector's tooth. Authenticity guaranteed.

N182       SIZE: 1-3/16"

A Top Quality Isurus desori , a Mako shark tooth from the "De Kuilen" sand pit, Mill, The Netherlands. This tooth has excellent color and perservation. Sharp cutting edge. The age is late Miocene (approx. 6-8 million years ago). This species is the ancestor to the Isurus oxyrhinchus. An excellent collector's tooth. Authenticity guaranteed.  

N203     SIZE: 1-3/8"

A Top Quality Isurus desori , a Mako shark tooth from the "De Kuilen" sand pit, Mill, The Netherlands. This tooth has excellent color and perservation. Sharp cutting edge. The age is late Miocene (approx. 6-8 million years ago). This species is the ancestor to the Isurus oxyrhinchus. An excellent collector's tooth. Authenticity guaranteed.  

N206      SIZE: 1-1/8"