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Alamosaurus sanjuanensis

Reptilia

Taxonomy
Alamosaurus sanjuanensis was named by Gilmore (1922). Its type specimen is USNM 10486, a set of postcrania, and it is a 3D body fossil. Its type locality is Barrel Springs arroyo (UNM V-143), which is in a Maastrichtian channel sandstone in the Ojo Alamo Formation of New Mexico.

Synonymy list
YearName and author
1922Alamosaurus sanjuanensis Gilmore pp. 1-9 figs. 1-2
1927Alamosaurus sanjuanensis Huene p. 259
1930Alamosaurus sanjuanensis Hay p. 201
1930Alamosaurus sanjuanensis Russell p. 157
1941Alamosaurus sanjuanensis Huene p. 90
1967Alamosaurus sanjuanensis Charig p. 713
1970Alamosaurus sanjuanensis Steel p. 75
1973Alamosaurus sanjuanensis Powell p. 118
1975Alamosaurus sanjuanensis Stone and Langston, Jr. p. 238
1976Alamosaurus sanjuanensis Lawson p. 150
1976Alamosaurus sanjuanensis Mateer p. 93
1976Alamosaurus sanjuanensis Sloan p. 137
1980Alamosaurus sanjuanensis Kues et al. p. 864
1981Alamosaurus sanjuanensis Lehman p. 198
1981Alamosaurus sanjuanensis Mateer p. 56
1986Alamosaurus sanjuanensis Mourier et al. p. 173
1987Alamosaurus sanjuanensis Lehman p. 206
1989Alamosaurus sanjuanensis Lucas and Hunt p. 75
1990Alamosaurus sanjuanensis McIntosh p. 396
1991Alamosaurus sanjuanensis Le Loeuff p. 105
1992Alamosaurus sanjuanensis Casanovas Cladellas p. 146
1993Alamosaurus sanjuanensis Le Loeuff p. 110
1997Alamosaurus sanjuanensis Novas p. 685
1997Alamosaurus sanjuanensis Ryan p. 391
1997Alamosaurus sanjuanensis Salgado and Calvo p. 45
1997Alamosaurus sanjuanensis Salgado et al. p. 5
2002Alamosaurus sanjuanensis Salgado and García p. 215
2002Alamosaurus sanjuanensis Wilson p. 275
2003Alamosaurus sanjuanensis Calvo and González Riga
2003Alamosaurus sanjuanensis Powell p. 72
2004Alamosaurus sanjuanensis Upchurch et al. p. 268
2005Alamosaurus sanjuanensis Apesteguía p. 262
2005Alamosaurus sanjuanensis Campos et al. p. 582
2005Alamosaurus sanjuanensis Curry Rogers p. 66
2005Alamosaurus sanjuanensis Kellner et al. p. 540
2005Alamosaurus sanjuanensis Sullivan et al. p. 398
2006Alamosaurus sanjuanensis Kellner et al. p. 2
2006Alamosaurus sanjuanensis Rivera-Sylva et al. p. 67
2007Alamosaurus sanjuanensis Casal et al. p. 57
2007Alamosaurus sanjuanensis Malkani
2008Alamosaurus sanjuanensis Hunt and Lehman p. 1127
2008Alamosaurus sanjuanensis Lopes and Buchmann p. 70
2008Alamosaurus sanjuanensis Soto et al. p. 16
2008Alamosaurus sanjuanensis Williamson and Weil p. 1219
2009Alamosaurus sanjuanensis González Riga et al. p. 141
2009Alamosaurus sanjuanensis Myers and Fiorillo p. 100
2010Alamosaurus sanjuanensis Casal and Ibiricu p. 252
2010Alamosaurus sanjuanensis Sullivan and Lucas p. 170
2011Alamosaurus sanjuanensis D'Emic and Wilson p. 71
2011Alamosaurus sanjuanensis Fowler and Sullivan p. 685
2011Alamosaurus sanjuanensis Jasinski et al. p. 233
2011Alamosaurus sanjuanensis Molnar p. 305
2011Alamosaurus sanjuanensis Sullivan et al. p. 412
2012Alamosaurus sanjuanensis D'Emic
2012Alamosaurus sanjuanensis Díez Díaz et al. p. 266
2012Alamosaurus sanjuanensis Soto et al. p. 74
2012Alamosaurus sanjuanensis Vila et al. p. 29
2013Alamosaurus sanjuanensis Díez Díaz et al. p. 146
2013Alamosaurus sanjuanensis Otero and Reguero p. 11
2013Alamosaurus sanjuanensis Poropat p. 104
2014Alamosaurus sanjuanensis Mocho et al.
2014Alamosaurus sanjuanensis Rivera-Sylva and Carpenter p. 152
2014Alamosaurus sanjuanensis Wick and Lehman p. 39
2014Alamosaurus sanjuanensis Woodruff and Foster p. 216
2015Alamosaurus sanjuanensis García et al. p. 44
2016Alamosaurus sanjuanensis Lee p. 11
2016Alamosaurus sanjuanensis Ullmann and Lacovara p. 1
2017Alamosaurus sanjuanensis Averianov and Sues p. 193
2017Alamosaurus sanjuanensis Gorscak et al. p. 9
2017Alamosaurus sanjuanensis Silva Junior et al. p. 20
2018Alamosaurus sanjuanensis Lehman et al. p. 2216
2020Alamosaurus sanjuanensis Páramo et al. p. 398
2021Alamosaurus sanjuanensis Ren et al. p. 1876
2021Alamosaurus sanjuanensis Rigby et al. p. 17
2022Alamosaurus sanjuanensis Navarro et al. p. 327

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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
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
RankNameAuthor
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Sauropoda()
—Gravisauria
—Eusauropoda
—Neosauropoda
—Macronaria
—Titanosauriformes
—Titanosauria
—Lithostrotia
superfamilySaltasauroideaPowell 1992
—Lohuecosauria
—Saltasauridae()
subfamilySaltasaurinae
genusAlamosaurus
speciessanjuanensis

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.

†Alamosaurus sanjuanensis Gilmore 1922
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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
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: Marsh 1875, Kiessling 2004, Peczkis 1995

Age range: base of the Late/Upper Campanian to the top of the Lancian or 83.60000 to 66.00000 Ma

Collections (31 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.6 - 72.2USA (New Mexico) Alamosaurus sanjuanensis (47818 222071 222089)
Lancian72.2 - 66.0USA (New Mexico) Alamosaurus sanjuanensis (14518 47010 47817 70335)
Late/Upper Maastrichtian72.2 - 66.0USA (New Mexico) Alamosaurus sanjuanensis (47815 47819 54103 97795 117451 121580 121581 138834 138836 171027 179272 194978) Sauropoda indet. (type locality: 46992)
Late/Upper Maastrichtian72.2 - 66.0USA (Texas) Alamosaurus sanjuanensis (52087 52090 61847 85189 85191 165562) Alamosaurus sp. (52091)
Late/Upper Maastrichtian72.2 - 66.0USA (Utah) Alamosaurus sanjuanensis (45721 45722) Sauropoda indet. (45718)
Maastrichtian72.2 - 66.0Mexico (Chihuahua) Alamosaurus sanjuanensis (226999)