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Sauroposeidon proteles

Reptilia -

Taxonomy
Sauroposeidon proteles was named by Wedel et al. (2000). Its type specimen is OMNH 53062. Its type locality is OMNH locality V821, which is in an Aptian/Albian terrestrial claystone in the Antlers Formation of Oklahoma.

Synonyms
Synonymy list
YearName and author
2000Sauroposeidon proteles Wedel et al. p. 110 figs. 1-5
2004Sauroposeidon proteles Upchurch et al. p. 267
2006Sauroposeidon proteles Royo-Torres et al. figs. Table S3
2007Sauroposeidon proteles Calvo et al. p. 530
2007Sauroposeidon proteles Naish and Martill p. 499
2007Paluxysaurus jonesi Rose p. 5 figs. 4-29
2007Sauroposeidon proteles Rose p. 36
2009Paluxysaurus jonesi Zhang et al. p. 220
2011Paluxysaurus jonesi Saegusa and Tomida p. 254
2011Sauroposeidon proteles Saegusa and Tomida p. 254
2011Sauroposeidon proteles Taylor et al. p. 91
2012Sauroposeidon proteles D'Emic
2012Sauroposeidon proteles D'Emic and Foreman p. 884
2013Sauroposeidon proteles D'Emic

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
RankNameAuthor
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Eusaurischia
Sauropodomorpha(Huene 1932)
Massopoda
Sauropodiformes
Sauropoda()
Eusauropoda
Neosauropoda
Macronaria
Titanosauriformes
Somphospondyli
genusSauroposeidon
speciesproteles

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
M. J. Wedel et al. 2000Cervical centra extremely elongate; centrum length more than five times posterior centrum height. Differs from all other sauropods in possessing well-defined centroparapophyseal laminae that extend to the posterior ends of the centra, diapophyses located approximately one third of centrum length behind anterior condyles, deeply excavated neural spines which are perforate in anterior cer vicals, and hypertrophied central pneumatic fossae that extend posteriorly to the cotyles. Neural spines occupy anterior nine-tenths of centra and are not bifurcate. Cervical ribs are slender and elongated, with long, robust anterior processes that extend nearly to anterior condyles; total length of each cervical rib equals or exceeds 3 centrum-lengths.