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Gallardosaurus

Reptilia - Plesiosauria - Pliosauridae

Taxonomy
Gallardosaurus was named by Gasparini (2009). Its type is Gallardosaurus iturraldei.

It was assigned to Pliosauridae by Gasparini (2009); and to Thalassophonea by Benson and Druckenmiller (2014).

Species
G. iturraldei (type species)

Synonymy list
YearName and author
2009Gallardosaurus Gasparini p. 662
2014Gallardosaurus Benson and Druckenmiller figs. 2-3

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
suborderSauropterygia
orderPlesiosauriade Blainville 1835
superfamilyPliosauroideaWelles 1943
familyPliosauridaeSeeley 1874
—Thalassophonea
genusGallardosaurus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Gallardosaurus Gasparini 2009
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†Gallardosaurus iturraldei Gasparini 2009
Diagnosis
ReferenceDiagnosis
Z. Gasparini 2009Gallardosaurus differs from other pliosaurids in the following combination of characters: participation of the premaxilla in the antero-medial margin of the naris. Nasal surpassing the anterior level of the orbits and participating widely in the posterior margin of the naris. Prefrontal expanded rostrolaterally. Frontal excluded from the orbital margin. Parietal with expanded anterior margin. Lateral pillar of the postorbital merging with the jugal and squamosal. Presence of a slit-like anterior interpterygoid vacuity. Cultriform process of parasphenoid convex, exposed in palatal view and closing the anterior interpterygoid vacuity. The basisphenoid is 3 ⁄ 4, and the parasphenoid 1 ⁄ 4 inside the posterior interpterygoid vacuity. Pterygoid flanges high. Basioccipital tuber short. Coronoid area high and surangular short. The jaw articulation is low relative to the tooth row. Neural spine of the atlas and axis fused, forming a wide roof posteriorly, and upwardly oriented.