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Aeolosaurus rionegrinus

Reptilia - Titanosauridae

Taxonomy
Aeolosaurus rionegrinus was named by Powell (1987). Its type specimen is MJG-R 1, a set of postcrania, and it is a 3D body fossil. Its type locality is Casa de Piedra, Estancia Maquinchao, which is in a Campanian/Maastrichtian terrestrial horizon in the Angostura Colorada Formation of Argentina. It is the type species of Aeolosaurus.

Synonymy list
YearName and author
1987Aeolosaurus rionegrinus Powell p. 148
1992Aeolosaurus rionegrinus Powell p. 203
1993Aeolosaurus rionegrinus Salgado and Coria p. 127
1996Aeolosaurus rionegrinus Bonaparte p. 104 fig. 36
1996Aeolosaurus rionegrinus Jacobs et al. p. 602
1996Aeolosaurus rionegrinus Salgado p. 363
1997Aeolosaurus rionegrinus Novas p. 681
2001Aeolosaurus rionegrinus Santucci and Bertini p. 308
2002Aeolosaurus rionegrinus Wilson p. 248
2003Aeolosaurus rionegrinus Calvo and González Riga
2003Aeolosaurus rionegrinus Powell p. 26
2004Aeolosaurus rionegrinus Franco-Rosas et al. p. 332
2004Aeolosaurus rionegrinus Upchurch et al. p. 268
2005Aeolosaurus rionegrinus Apesteguía p. 262
2005Aeolosaurus rionegrinus Campos et al. p. 568
2005Aeolosaurus rionegrinus Curry Rogers p. 66
2005Aeolosaurus rionegrinus Kellner et al. p. 548
2005Aeolosaurus rionegrinus Salgado and Coria p. 440
2006Aeolosaurus rionegrinus Kellner et al. p. 2
2007Aeolosaurus rionegrinus Casal et al. p. 55
2007Aeolosaurus rionegrinus Castro et al. p. 199
2007Aeolosaurus rionegrinus Molnar and Wiffen p. 509
2008Aeolosaurus rionegrinus Lopes and Buchmann p. 71
2008Aeolosaurus rionegrinus Malkani p. 56
2009Aeolosaurus rionegrinus González Riga et al. p. 141
2010Aeolosaurus rionegrinus Calvo and Porfiri p. 106
2010Aeolosaurus rionegrinus Candeiro p. 245
2011Aeolosaurus rionegrinus González Riga p. 282
2011Aeolosaurus rionegrinus Navarrete et al. p. 10
2011Aeolosaurus rionegrinus Santucci and Arruda-Campos
2012Aeolosaurus rionegrinus Mannion and Otero p. 634
2013Aeolosaurus rionegrinus Otero and Reguero p. 11

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
RankNameAuthor
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Eusaurischia
Sauropodomorpha(Huene 1932)
Massopoda
Sauropodiformes
Sauropoda()
Eusauropoda
Neosauropoda
Macronaria
Titanosauriformes
Somphospondyli
Titanosauria
familyTitanosauridae
EutitanosauriaSanz et al. 1999
Lithostrotia
Rinconsauria
Aeolosaurini
genusAeolosaurus
speciesrionegrinus

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.

Diagnosis
ReferenceDiagnosis
R. M. Santucci and A. C. d. Arruda-Campos 2011Titanosaur with the following unique association of characteristics: prezygapophyses directed mainly upward on anteriormost caudal vertebrae and slightly curved downward on the remaining anterior caudal vertebrae; prezygapophyseal articular facets widened by the presence of both a dorsal and a ventral protuberance on the prezygapophyses of the anterior caudal vertebrae; and apex of the convexity of the posterior articulation strongly displaced upward, so that the apex is flushed to the level of the dorsal margin of the centrum on anterior and middle caudal vertebrae.