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Aigialosaurus

Reptilia - Aigialosauridae

Taxonomy
Aigialosaurus was named by Kramberger (1892) [Sepkoski's age data: K Turo Sepkoski's reference number: 1066]. Its type is Aigialosaurus dalmaticus. It is the type genus of Aigialosauridae.

It was assigned to Squamata by Sepkoski (2002); and to Aigialosauridae by McDowell and Bogert (1954), Carroll (1988), Carroll and DeBraga (1992), Bell and Polcyn (2005), Dutchak and Caldwell (2006) and Dutchak and Caldwell (2009).

Species
A. bucchichi, A. dalmaticus (type species)

Synonymy list
YearName and author
1892Aigialosaurus Kramberger
1954Aigialosaurus McDowell and Bogert p. 132
1988Aigialosaurus Carroll
1992Aigialosaurus Carroll and DeBraga pp. 66-80
2002Aigialosaurus Sepkoski
2005Aigialosaurus Bell and Polcyn p. 189
2006Aigialosaurus Dutchak and Caldwell
2009Aigialosaurus Dutchak and Caldwell

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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
familyAigialosauridaeKramberger 1892
genusAigialosaurusKramberger 1892

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. †Aigialosaurus Kramberger 1892
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†Aigialosaurus bucchichi Kornhuber 1901
†Aigialosaurus dalmaticus Kramberger 1892
Diagnosis
ReferenceDiagnosis
A. R. Dutchak and M. W. Caldwell 2009Moderately large squamate with seven or eight cervical, 19 or 20 presacral trunk, and at least 80 caudal vertebrae; tail laterally compressed with elongate, posteriorly angled neural and haemal spines on caudal vertebrae; limbs with well developed digits and a phalangeal count of 2-3-4- 5-3 on both manus and pes; frontal makes up entire dorsal rim of orbit; parietal process of postorbitofrontal contacts parietal laterally; quadrate rami of parietal extend posterior to foramen magnum; extensive suprastapedial process creates rounded quadrate morphology; pterygoid teeth present; trilobate coronoid.