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Jobaria tiguidensis

Reptilia -

Taxonomy
Jobaria tiguidensis was named by Sereno et al. (1999). Its type specimen is MNN TIG3. Its type locality is Tamerát, which is in a Jurassic/Jurassic terrestrial horizon in the Tiourarén Formation of Niger. It is the type species of Jobaria. It was considered monophyletic by Sereno et al. (1999).

Synonymy list
YearName and author
1999Jobaria tiguidensis Sereno et al. p. 1345 figs. 2-3
2002Jobaria tiguidensis Wilson p. 274
2003Jobaria tiguidensis Carvalho et al. p. 697
2004Jobaria tiguidensis Upchurch et al. p. 265
2006Jobaria tiguidensis Royo-Torres et al. fig. S4
2012Jobaria tiguidensis D'Emic
2012Jobaria tiguidensis Knoll et al. p. 2
2013Jobaria tiguidensis Tschopp and Mateus p. 323
2014Jobaria tiguidensis Mocho et al.
2016Jobaria tiguidensis Witzmann et al. p. 3

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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()
RankNameAuthor
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Eusaurischia
Sauropodomorpha(Huene 1932)
Massopoda
Sauropodiformes
Sauropoda()
Eusauropoda
genusJobaria
speciestiguidensis

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
P. C. Sereno et al. 1999Eusauropod characterized by cervical prezygapophyses with an accessory anterior process (Fig. 3B, aapr), cervical neural arches with a deep fossa between centropostzygapophyseal and intrapostzygapophyseal laminae, dorsal prezygapophyses with a broad pendant flange, dorsal neural arches with fossa between the parapophyses and diapophyses (Fig. 3C), anterior caudal neural spines with a circular fossa at the base of the prespinal lamina, cervical ribs 3 to 6 with an accessory anterior process, U-shaped first chevron (Fig. 3G), and midcaudal chevrons with a rugose ridge across the distal end of blade (Fig. 3H, r).