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Sonorasaurus thompsoni

Reptilia - Brachiosauridae

Taxonomy
Sonorasaurus thompsoni was named by Ratkevich (1998). Its type specimen is ASDM 500, a set of postcrania, and it is a 3D body fossil. Its type locality is "Sonorasaurus" site, Whetstone Mountains, which is in an Albian/Cenomanian fluvial sandstone in the Turney Ranch Formation of Arizona.

It was considered a nomen dubium by Upchurch et al. (2004).

Synonymy list
YearName and author
1998Sonorasaurus thompsoni Ratkevich
1999Sonorasaurus thompsoni Tidwell et al. p. 30
2000Sonorasaurus thompsoni Wedel et al. p. 349
2003Sonorasaurus thompsoni Hodnett p. 61A
2011Sonorasaurus thompsoni Taylor et al. p. 91
2012Sonorasaurus thompsoni D'Emic
2012Sonorasaurus thompsoni D'Emic and Foreman p. 897
2016Sonorasaurus thompsoni D'Emic et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
RankNameAuthor
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Sauropoda()
—Gravisauria
—Eusauropoda
—Neosauropoda
—Macronaria
—Titanosauriformes
familyBrachiosauridae
genusSonorasaurus
speciesthompsoni

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.

†Sonorasaurus thompsoni Ratkevich 1998
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Diagnosis
No diagnoses are available
Body mass estimates
estimateequationreference
 41.9 tons Sauropoda femur circumferenceAnderson et al. 1985
Measurements
partNmean
femur circumference1700.0
fibula circumference1255.0
radius circumference1260.0
tibia circumference1340.0
ulna circumference1310.0

Composition: hydroxyapatiteinfrao
Entire body: yesinfrao
Adult length: 10 to < 100infrao
Adult width: 10 to < 100infrao
Adult height: 10 to < 100infrao
Thickness: thickinfrao
Architecture: compact or denseinfrao
Form: sphericalinfrao
Ontogeny: accretion, modification of partsinfrao
Grouping: gregariousinfrao
Environment: terrestrialinfrao
Locomotion: actively mobileinfrao
Life habit: ground dwellinginfrao
Diet: herbivoreinfrao
Reproduction: oviparousinfrao
Dispersal: direct/internalinfrao
Dispersal 2: mobileinfrao
Created: 2004-12-14 12:49:10
Modified: 2004-12-14 14:49:10
Source: infrao = infraorder
Reference: Marsh 1875

Age range: base of the Late/Upper Albian to the top of the Early/Lower Cenomanian or 105.30000 to 93.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Albian - Early/Lower Cenomanian105.3 - 93.5USA (Arizona) Sonorasaurus sp. (type locality: 13105)