Marine reptile

Halisaurus arambourgi

Mosasaur

Halisaurus arambourgi is a small, slender mosasaur of the Moroccan phosphates with narrow, strongly recurved teeth. Its teeth and small vertebrae are cheap and abundant from Khouribga, and are often mixed into 'Platecarpus' lots. Skulls are rare and scientifically valuable.

PhylumChordata
ClassReptilia
OrderSquamata
FamilyMosasauridae
GroupMarine reptile
Rank (PBDB)genus· Paleobiology Database
AuthorMarsh 1869· Paleobiology Database
Classification (PBDB)Chordata › Reptilia › Squamata › Mosasauridae· Paleobiology Database
Range (PBDB)85.7–61.7 Ma· Paleobiology Database
PBDB occurrences30· Paleobiology Database

Elsewhere

Cite this article

Stratum Study. "Halisaurus arambourgi" (Taxon). Stratum Study pack 2026.09, as of 2026-09-19. https://stratum.black/study/taxa/halisaurus-arambourgi. Accessed 2026-09-20.

@misc{stratum-halisaurus-arambourgi,
  title        = {Halisaurus arambourgi},
  author       = {{Stratum Study}},
  howpublished = {\url{https://stratum.black/study/taxa/halisaurus-arambourgi}},
  year         = {2026},
  note         = {Taxon article, Stratum Study pack 2026.09, as of 2026-09-19; sources: stratum, pbdb, wikidata. Accessed 2026-09-20.}
}

Citations carry the pack version and the article's as-of date so they resolve to the same text later. The facts themselves belong to the sources listed below; cite those for the science.

Sources for this article: Stratum editorial (Stratum editorial);Paleobiology Database (CC-BY-4.0);Wikidata (CC0). As of 2026-09-19; Study pack 2026.09. Data reproduced under the licences shown; text in Stratum's own words unless a section names its source.

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