Michael W. Caldwell, Gorden L. Bell Jr: Halisaurus sp. (Mosasauridae) from the Upper Cretaceous (?Santonian) of east-central Peru, and the taxonomic utility of mosasaur cervical vertebrae. In: Journal of Vertebrate Paleontology. Band15, Nr.3, 14. September 1995, ISSN0272-4634, S.532–544, doi:10.1080/02724634.1995.10011246.
Nathalie Bardet, Xabier Pereda Suberbiola, Mohamed Iarochene, Baadi Bouya, Mbarek Amaghzaz: A new species of Halisaurus from the Late Cretaceous phosphates of Morocco, and the phylogenetical relationships of the Halisaurinae (Squamata: Mosasauridae). In: Zoological Journal of the Linnean Society. Bd. 143, Nr. 3, 2005, ISSN0024-4082, S. 447–472, doi:10.1111/j.1096-3642.2005.00152.x.
Michael W. Caldwell, Gorden L. Bell Jr: Halisaurus sp. (Mosasauridae) from the Upper Cretaceous (?Santonian) of east-central Peru, and the taxonomic utility of mosasaur cervical vertebrae. In: Journal of Vertebrate Paleontology. Band15, Nr.3, 14. September 1995, ISSN0272-4634, S.532–544, doi:10.1080/02724634.1995.10011246.
Nathalie Bardet, Xabier Pereda Suberbiola, Mohamed Iarochene, Baadi Bouya, Mbarek Amaghzaz: A new species of Halisaurus from the Late Cretaceous phosphates of Morocco, and the phylogenetical relationships of the Halisaurinae (Squamata: Mosasauridae). In: Zoological Journal of the Linnean Society. Bd. 143, Nr. 3, 2005, ISSN0024-4082, S. 447–472, doi:10.1111/j.1096-3642.2005.00152.x.