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Pannoniasaurus inexpectatus

Reptilia

Taxonomy
Pannoniasaurus inexpectatus was named by Makádi et al. (2012) [urn:lsid:zoobank.org:act:3DD4ED72-9F20-4D87-85B6-2C1D81DBA6E8]. Its type specimen is MTM 2011.43.1., a partial skull (right quadrate), and it is a 3D body fossil. Its type locality is Iharkút mine, Bakony mountains (Unit 1), which is in a Santonian crevasse splay claystone/sandstone in the Csehbánya Formation of Hungary.

Synonyms
Synonymy list
YearName and author
2012Pannoniasaurus inexpectatus Makádi et al. p. 6 figs. 3-7
2014Pannoniasaurus inexpectatus Fanti et al.
2016Pannoniasaurus osii Jiménez-Huidobro and Caldwell
2019Pannoniasaurus inexpectatus Driscoll et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
RankNameAuthor
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Squamata()
superfamilyMosasauroidea
subfamilyTethysaurinae
genusPannoniasaurus
speciesinexpectatus

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.

†Pannoniasaurus inexpectatus Makádi et al. 2012
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Invalid names: Pannoniasaurus osii Jiménez-Huidobro and Caldwell 2016 [synonym]
Diagnosis
ReferenceDiagnosis
L. Makádi et al. 2012Medium-sized (max. 6 meters) mosasauroid with following combination of characters: quadrate stapedial pit length/width ratio of 3:1; saddle-shaped mandibular condyle of quadrate; quadrate shaft, distal to the conch and infrastapedial process, long and gracile; large infrastapedial process; long suprastapedial process with tip angled medially; dorsoventrally flattened, laterally wide, violin-shaped premaxilla in dorsal view; high dorsal process on coronoid; teeth with carinae and anastomosing longitudinal striae; hypapophyseal peduncles with circular articulation surface; large ventrolateral crests on cervicals; parazygosphenal and paracotylar foramina absent; well-developed precondylar constriction on precaudal vertebrae; ribs with oval heads.