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Barosaurus lentus

Reptilia

Taxonomy
Barosaurus lentus was named by Marsh (1890). Its type specimen is YPM 429, a partial skeleton, and it is a 3D body fossil. Its type locality is Hatch Ranch, Piedmont Butte, which is in a Kimmeridgian/Tithonian wet floodplain claystone in the Morrison Formation of South Dakota.

Synonymy list
YearName and author
1890Barosaurus lentus Marsh pp. 85-86 figs. 1-2
1896Barosaurus lentus Marsh p. 175 figs. 24-26
1901Barosaurus lentus Nopcsa p. 204
1902Barosaurus lentus Hay p. 485
1916Barosaurus lentus Mook p. 139
1919Barosaurus lentus Lull p. 7
1920Barosaurus lentus Wieland p. 528
1924Barosaurus lentus Lull p. 258
1930Barosaurus lentus Hay p. 200
1964Barosaurus lentus Tatarinov p. 545
1970Barosaurus lentus Steel p. 80
1981Barosaurus lentus McIntosh p. 22
1990Barosaurus lentus McIntosh p. 389
1994Barosaurus lentus Foster and Martin p. 115
1995Barosaurus lentus Calvo and Salgado p. 30 fig. 18
1995Barosaurus lentus Curtice p. 25A
1995Barosaurus lentus Upchurch p. 252 fig. 1
1997Barosaurus lentus Kirkland p. 98
2002Barosaurus lentus Wilson p. 272
2004Barosaurus lentus Upchurch et al. p. 264
2005Barosaurus lentus Apesteguía p. 250
2005Barosaurus lentus Gallina and Apesteguía p. 158
2005Barosaurus lentus McIntosh p. 43
2006Barosaurus lentus Chure et al. p. 236
2006Barosaurus lentus Harris p. 1114
2006Barosaurus lentus Mateus p. 231
2007Barosaurus lentus Remes p. 663 fig. 7
2008Barosaurus lentus Ruiz-Omeñaca et al. p. 191
2012Barosaurus lentus Decker p. 17
2012Barosaurus lentus Ibiricu et al. p. 226
2013Barosaurus lentus Tschopp and Mateus p. 876
2014Barosaurus lentus Li et al. p. 16
2014Barosaurus lentus Mocho et al.
2015Barosaurus lentus Salgado et al. p. 422
2015Barosaurus lentus Tschopp et al.
2019Barosaurus lentus Tschopp et al. p. 71

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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()
RankNameAuthor
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Sauropoda()
—Gravisauria
—Eusauropoda
—Neosauropoda
—Diplodocoidea()
—Diplodocimorpha
—Flagellicaudata
—Diplodocidae()
—Diplodocinae(Janensch 1929)
genusBarosaurus
specieslentus

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.

†Barosaurus lentus Marsh 1890
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Diagnosis
No diagnoses are available
Body mass estimates
estimateequationreference
 20.1 tons Sauropoda femur circumferenceAnderson et al. 1985
 7.54 tons Sauropoda humerus circumferenceAnderson et al. 1985
mean: 12.3 tons
Measurements
partNmean
femur circumference1540.0
fibula circumference1267.0
humerus circumference1440.0
radius circumference1249.0
tibia circumference1368.0
ulna circumference1302.0

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: 2005-08-24 13:40:12
Modified: 2005-08-24 15:40:12
Source: g = genus, infrao = infraorder
References: Peczkis 1995, Marsh 1875

Age range: Early/Lower Tithonian or 149.20000 to 145.06000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Kimmeridgian - Tithonian154.8 - 143.1USA (South Dakota) Barosaurus lentus (49631 type locality: 57905)
Early/Lower Tithonian149.2 - 145.06USA (Utah) Barosaurus lentus (21852)