2.75" Fossil Mosasaur (Halisaurus) Dorsal Vertebra - Texas

This is a 2.75" wide dorsal vertebra from a mosasaur (Halisaurus sp.), collected from the Upper Cretaceous-aged Pecan Gap Chalk in Texas.

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
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DETAILS
SPECIES
Halisaurus sp.
LOCATION
North Sulphur River, Texas
FORMATION
Pecan Gap Chalk
SIZE
2.75 x 1.9"
ITEM
#284473
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