5.3" Fossil Mosasaur (Halisaurus) Jaw Section - Morocco

This is a 5.3" long fossil jaw section of a Mosasaur (Halisaurus) from the Phosphate Deposits near, Khouribga, Morocco. The tooth are in excellent condition and there is no restoration of compositing on this piece.

Comes with a display stand.

Artists reconstruction of a Halisaurus.  By Nobu Tamura
Artists reconstruction of a Halisaurus. By Nobu Tamura

Halisaurus is a comparatively small Mosasaur, maxing out at around 10 feet in length. It was a sleek and likely quick member of the family. Besides it's small size it it had distinctively, backward curving teeth that would likely have been used for grasping slippery prey like fish. A paper describing this species can be found below.

Description of new specimens of Halisaurus arambourgi BARDET & PEREDA SOBERBIOLA, 2005 and the relationships of halisaurinae

It comes from the massive phosphate deposits in the Oulad Abdoun Basin near Khouribga, Morocco. These deposits are mined for phosphate, one of Morocco's biggest exports. The fossils are collected as a byproduct of the mining operations, saving them from certain destruction by the rock crusher.
Halisaurus arambourgi
Oulad Abdoun Basin, Morocco
Phosphate Deposits
5.3" jaw, 7.5 x 5.4" rock
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