13.3" Fossil Mosasaur Jaws (Halisaurus) - Morocco

This is an excellent pair of fossil jaws of a Mosasaur (Halisaurus) from Phosphate Deposits near, Khouribga, Morocco. This is a portion of the Maxilla (upper jaw) from both sides of the skull. The Maxilla is the part of the skull from the tip of the jaw to behind the last tooth. This section of the maxilla contains eight teeth per side. The bone is in excellent condition. This is an incredible specimen with no restoration or compositing.

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 its small size, it had distinctive backward-curving teeth likely 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
Halisaurus arambourgi
Oulad Abdoun Basin, Morocco
Phosphate Deposits
14.5 x 8.5" Rock
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