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Alamosaurus

Reptilia - Titanosauridae

Taxonomy
Alamosaurus was named by Gilmore (1922). Its type is Alamosaurus sanjuanensis.

It was assigned to Sauropoda by Gilmore (1922); to Atlantosauridae by Russell (1930); to Sauropoda by Lull (1924) and Tatarinov (1964); to Cetiosauridae by Powell (1973); to Antarctosauridae by Breithaupt (1985); to Titanosaurinae by Romer (1956), Steel (1970), Kues et al. (1980) and Casanovas et al. (1987); to Titanosauroidea by Upchurch (1997); to Titanosauria by Wilson and Sereno (1998); to Opisthocoelicaudinae by Calvo et al. (2007); to Eutitanosauria by Filippi et al. (2011); to Titanosauridae by Huene (1927), Huene (1927), Huene (1927), Huene (1929), Huene (1929), Stromer (1932), Huene (1941), Gilmore (1946), Romer (1966), Molnar (1980), Bonaparte (1984), Russell (1984), Carroll (1988), Lucas and Hunt (1989), McIntosh (1990), McIntosh (1990), Currie (1992), Upchurch (1995), Upchurch (1995), Jacobs et al. (1996), Salgado (1996), Novas (1997), McIntosh (1997), Ryan (1997), Dodson (1997), Salgado and Calvo (1997), Salgado et al. (1997), Prasad and Sahni (1999), Maxwell and Cifelli (2000), Smith et al. (2001), Calvo and González Riga (2003), Apesteguía (2005), Moser et al. (2006) and Jasinski et al. (2011); to Saltasaurinae by D'Emic (2012); to Opisthocoelicaudiinae by Wilson (2002), You et al. (2004), Curry Rogers (2005), Calvo et al. (2007), González Riga et al. (2009), Suteethorn et al. (2010) and González Riga and Ortiz David (2014); to Lithostrotia by Upchurch et al. (2004), Ksepka and Norell (2010) and Mocho et al. (2014); to Somphospondyli by Xing et al. (2015); and to Saltasauridae by Wilson and Upchurch (2003), Wilson and Mohabey (2006), Zaher et al. (2011), Coria et al. (2013), Mannion et al. (2013), Poropat et al. (2016) and González Riga et al. (2016).

Synonymy list
YearName and author
1922Alamosaurus Gilmore pp. 1-2
1924Alamosaurus Lull p. 270
1927Alamosaurus Huene p. 126
1929Alamosaurus Huene p. 118
1930Alamosaurus Russell p. 157
1932Alamosaurus Stromer p. 19
1941Alamosaurus Huene p. 90
1946Alamosaurus Gilmore p. 30
1956Alamosaurus Romer p. 622
1964Alamosaurus Tatarinov p. 552
1966Alamosaurus Romer p. 370
1970Alamosaurus Steel p. 74
1973Alamosaurus Powell p. 118
1980Alamosaurus Kues et al. p. 867
1980Alamosaurus Molnar p. 140
1984Alamosaurus Bonaparte p. 139
1984Alamosaurus Russell p. 27
1985Almosaurus Breithaupt p. 169
1987Alamosaurus Casanovas et al. p. 98
1988Alamosaurus Carroll
1989Alamosaurus Lucas and Hunt p. 82
1990Alamosaurus McIntosh p. 57
1992Alamosaurus Currie p. 244
1995Alamosaurus Upchurch p. 253
1996Alamosaurus Jacobs et al. p. 600
1996Alamosaurus Salgado p. 358
1997Alamosaurus Dodson p. 11
1997Alamosaurus McIntosh p. 658
1997Alamosaurus Novas p. 685
1997Alamosaurus Ryan p. 391
1997Alamosaurus Salgado and Calvo p. 45
1997Alamosaurus Salgado et al. p. 25 fig. 19
1997Alamosaurus Upchurch p. 82A
1998Alamosaurus Wilson and Sereno p. 22
1999Alamosaurus Prasad and Sahni p. 382
2000Alamosaurus Maxwell and Cifelli p. 19
2001Alamosaurus Smith et al. p. 1705 fig. 3
2002Alamosaurus Wilson p. 240 fig. 13
2003Alamosaurus Calvo and González Riga fig. 4
2003Alamosaurus Wilson and Upchurch p. 156 fig. 21
2004Alamosaurus Upchurch et al. p. 268
2004Alamosaurus You et al. p. 910 fig. 6
2005Alamosaurus Apesteguía p. 262
2005Alamosaurus Curry Rogers pp. 69-71 figs. 2.11-2.13
2006Alamosaurus Moser et al. p. 46
2006Alamosaurus Wilson and Mohabey p. 477
2007Alamosaurus Calvo et al. p. 497 fig. 14
2007Alamosaurus Calvo et al. p. 533 fig. 3
2009Alamosaurus González Riga et al. p. 144 fig. 11
2010Alamosaurus Ksepka and Norell
2010Alamosaurus Suteethorn et al.
2011Alamosaurus Filippi et al.
2011Alamosaurus Jasinski et al. p. 233
2011Alamosaurus Zaher et al. p. 8 fig. 7
2012Alamosaurus D'Emic
2013Alamosaurus Coria et al.
2013Alamosaurus Mannion et al.
2014Alamosaurus González Riga and Ortiz David
2014Alamosaurus Mocho et al.
2015Alamosaurus Xing et al.
2016Alamosaurus González Riga et al.
2016Alamosaurus Poropat et al.

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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
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
RankNameAuthor
Crocopoda
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
familySaltasauridae
genusAlamosaurus

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
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatiteinfrao
Entire body: yesg
Adult length: 10 to < 100infrao
Adult width: 10 to < 100infrao
Adult height: 10 to < 100infrao
Maximum body mass: 30000 kgg
Minimum body mass: 10000 kgg
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: 2005-08-25 06:13:49
Modified: 2005-08-25 08:13:49
Source: g = genus, infrao = infraorder
References: Kiessling 2004, Peczkis 1995, Marsh 1875

Age range: base of the Late/Upper Campanian to the top of the Lancian or 83.50000 to 66.00000 Ma

Collections (30 total)


Time interval Ma Country or state Original ID and collection number
Campanian83.6 - 72.1USA (Texas) A. sp. (165198)
Late/Upper Campanian83.5 - 70.6USA (New Mexico) A. sanjuanensis (47815 47818)
Maastrichtian72.1 - 66.0USA (Utah) A. sanjuanensis (45721 45722) Sauropoda indet. (45718)
Maastrichtian72.1 - 66.0USA (Texas) A. sanjuanensis (52090 52091 61847 85189 85191 165562)
Maastrichtian72.1 - 66.0USA (New Mexico) A. sanjuanensis (47819 54103 117451 171027 194978)
Early/Lower Maastrichtian70.6 - 66.0USA (New Mexico) A. sanjuanensis (97795 121580 121581 138834 138836)
Lancian70.6 - 66.0USA (New Mexico) A. sanjuanensis (14518 47010 47817 70335) A. sp. (55289) Sauropoda indet. (46992)
Late/Upper Maastrichtian70.6 - 66.0USA (New Mexico) A. sanjuanensis (179272)
Late/Upper Maastrichtian70.6 - 66.0USA (Texas) A. sanjuanensis (52087)