Search results for: 'bone evolution paper à first revêtue'

A rare, Top Quality Parotodus mangyshlakensis tooth from Tushbair, Kazakhstan. Lateral position. Excellent color and condition. An incredible Eocene (Bartonian) age tooth from the Shorym Formation. No repair or restoration. Authenticity guaranteed. One of the finest localities for Eocene age shark teeth! You will enjoy the quality of the Kazakh teeth. 

K928      SIZE: 11/16"

Note - Posting 10 Parotodus teeth in August 2024.   Link to Kazakh Parotodus teeth.

A rare, Top Quality Parotodus mangyshlakensis tooth from Tushbair, Kazakhstan. Lateral position. Excellent color and condition. An incredible Eocene (Bartonian) age tooth from the Shorym Formation. No repair or restoration. Authenticity guaranteed. One of the finest localities for Eocene age shark teeth! You will enjoy the quality of the Kazakh teeth. 

K927      SIZE: 11/16"

Note - Posting 10 Parotodus teeth in August 2024.   Link to Kazakh Parotodus teeth.

A rare, Top Quality Parotodus mangyshlakensis tooth from Tushbair, Kazakhstan. Lateral position. Excellent color and condition. An incredible Eocene (Bartonian) age tooth from the Shorym Formation. No repair or restoration. Authenticity guaranteed. One of the finest localities for Eocene age shark teeth! You will enjoy the quality of the Kazakh teeth. 

K926      SIZE: 3/4"

Note - Posting 10 Parotodus teeth in August 2024.   Link to Kazakh Parotodus teeth.

A rare, Top Quality Parotodus mangyshlakensis tooth from Tushbair, Kazakhstan. Lateral position. Excellent color and condition. An incredible Eocene (Bartonian) age tooth from the Shorym Formation. No repair or restoration. Authenticity guaranteed. One of the finest localities for Eocene age shark teeth! You will enjoy the quality of the Kazakh teeth. 

K925      SIZE: 13/16"

Note - Posting 10 Parotodus teeth in August 2024.   Link to Kazakh Parotodus teeth.

A rare, Top Quality Parotodus mangyshlakensis tooth from Tushbair, Kazakhstan. Lateral position. Excellent color and condition. An incredible Eocene (Bartonian) age tooth from the Shorym Formation. No repair or restoration. Authenticity guaranteed. One of the finest localities for Eocene age shark teeth! You will enjoy the quality of the Kazakh teeth. 

K924      SIZE: 7/8"

Note - Posting 10 Parotodus teeth in August 2024.   Link to Kazakh Parotodus teeth.

A rare, Top Quality Parotodus mangyshlakensis tooth from Tushbair, Kazakhstan. Anterior position. Excellent color and condition. An incredible Eocene (Bartonian) age tooth from the Shorym Formation. No repair or restoration. Authenticity guaranteed. One of the finest localities for Eocene age shark teeth! You will enjoy the quality of the Kazakh teeth. 

K923      SIZE: 15/16"

Note - Posting 10 Parotodus teeth in August 2024.   Link to Kazakh Parotodus teeth.

Petalodus alleghaniensis; an  Extinct Petalodont shark

A nice Posterior tooth. Beautifully articulated. Matrix free. An excellent collector's piece from an old collection!  

Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)

Location: Louisville, Cass Co., Nebraska

Z138            SIZE: 3/4" x  15/16" W

Poeciliodus sp.; an  Extinct Bradydont shark

A large crusher tooth. Exceptional preservation and excellent surface articulation. Matrix free. An exceptional collector's piece from an old collection!

Age: Pennsylvanian (300 mya) ; Stanton Fm. (Missourian)

Location: Louisville, Cass Co., Nebraska

Z140           SIZE: 15/16"

 Sandolodus sp.; an  Extinct Bradydont shark

A HUGE crusher tooth. Exceptional preservation. Complete tooth. An excellent collector's tooth. An extraordinary collector's tooth!  New Kansas location.

Age: Pennsylvanian (300 mya) ; Raytown Limestone Fm.

Location: Lenexa, Johnson Co., Kansas

Z123            SIZE: 1-5/16"

A rare, Top Quality Parotodus mangyshlakensis tooth from Tushbair, Kazakhstan. Lateral position. Excellent color and condition. An incredible Eocene (Bartonian) age tooth from the Shorym Formation. No repair or restoration. Authenticity guaranteed. One of the finest localities for Eocene age shark teeth! You will enjoy the quality of the Kazakh teeth. An ultra tooth where the tip not worn away or broken.

K929      SIZE: 5/8"

Note - Posting 10 Parotodus teeth in August 2024.   Link to Kazakh Parotodus teeth.

Petalodus alleghaniensis; an  Extinct Petalodont shark

A LARGE tooth. Beautifully articulated and preserved.  An exceptional collector's piece from an old collection!  The best available!

Age: Pennsylvanian (300 mya) ; Herta Limestone Fm.

Location: Crescent, Pottawattamie Co., Iowa        On HOLD

Z134             SIZE: 1-3/8" x  1-3/8" W

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.