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Otodus auriculatus - Kazakhstan

SKU

K515

Out of stock

$325.00

Overview

An ultra rare, early Auriculatus parasymphyseal tooth from Kzil-Orda region, Kazakhstan. A July Fossil of the Month. Note - The center teeth would rarely be lost during feeding. So, very few are in the fossil record. The bourlette is complete. Excellent coarse serrations and killer with typical small side cusps. These teeth exhibit fantastic color, gloss, and preservation. A rare early Eocene Auriculatus tooth (Ypresian age - 55 MYA)! No repair or restoration. Authenticity guaranteed. The true early Eocene Auriculatus tooth!

K515 SIZE: 3/4"

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

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This catalog contains excellent teeth from an extinct Otodontid shark - Otodus auriculatus, a precursor to the Megalodon. The early Otodus auriculatus is fully serrated with very large serrations and highly irregular cusps serrations.

The Evolutionary Path to Megalodon - transition from the non-serrate Otodus obliquus to the fully serrated Auriculatus tooth - The Kazakhstan early Eocene sediments are one of the few places in the world where the transition to the fully serrated Auriculatus tooth can be observed and collected. The transition teeth representing the progression from Otodus obliquus to the Auriculatus are as follows.

Otodus mugodzharicus - has very fine serrations covering lower 2/3s of the crown (sometimes the serrations can be the wavy "Escheri-like" serrations) and little to no side cusp serrations.

Otodus aksuaticus - a semi-serrated or finely serrated tooth that can have moderate sized serrations at the base of the crown. The side cusps will have few serrations.

Kazakhstan site - These teeth are very rare, early Eocene (Ypresian) in age (approx. 55 mya) from Kzil-Orda region in western Kazakhstan (new location). Note - this location has been collected for ~3 summers and it is now exhausted (as of 2008). This is the last of the material from this site that made it to US. Some incredibly rare teeth are posted.