Halisaurus ortliebi, (DOLLO, 1889)

Bardet, Nathalie, Suberbiola, Xabier Pereda, Iarochene, Mohamed, Bouya, Baadi & Amaghzaz, Mbarek, 2005, A new species of Halisaurus from the Late Cretaceous phosphates of Morocco, and the phylogenetical relationships of the Halisaurinae (Squamata: Mosasauridae), Zoological Journal of the Linnean Society 143 (3), pp. 447-472 : 465

publication ID	https://doi.org/10.1111/j.1096-3642.2005.00152.x
DOI	https://doi.org/10.5281/zenodo.5490130
persistent identifier	https://treatment.plazi.org/id/875D5430-3363-4C1A-FF22-FB6EFE0AF976
treatment provided by	Diego (2021-08-31 17:23:32, last updated 2024-11-27 07:48:38)
scientific name	Halisaurus ortliebi
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HALISAURUS ORTLIEBI ( DOLLO, 1889)

Holotype: IRSNB R34, incomplete skull described by Dollo (1889: 181–182).

Type locality and horizon: Ciply Phosphatic Chalk (Early Maastrichtian), near Mesvin, Hainault, Belgium.

Emended diagnosis: Autapomorphies: regularly oval external naris; prefrontal with small narial participation and anteriorly located supraorbital ridge; frontal with median dorsal ridge extending on the whole length of the bone; parietal with smooth triangular table with very large circular foramen invading the frontal and bordered posteriorly by a teardrop-shaped depression; quadrate with a very narrow and vertical stapedial notch; pterygoid with eight teeth and short palatine process at about 45∞ relative to the ectopterygoid process.