''Barrosasaurus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

titanosaur Titanosaurs (or titanosaurians; members of the group Titanosauria) were a diverse group of sauropod dinosaurs, including genera from all seven continents. The titanosaurs were the last surviving group of long-necked sauropods, with taxa still th ...

ian

sauropod Sauropoda (), whose members are known as sauropods (; from '' sauro-'' + '' -pod'', 'lizard-footed'), is a clade of saurischian ('lizard-hipped') dinosaurs. Sauropods had very long necks, long tails, small heads (relative to the rest of their ...

dinosaur Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago (mya), although the exact origin and timing of the evolution of dinosaurs is t ...

, first described by

paleontologists Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fossi ...

Leonardo Salgado Leonardo Salgado is an Argentinean palaeontologist with a special interest in dinosaurs of the Cretaceous period and other investigations of the palaeobiology of fossil bearing geological formations. Salgado is the leading or coauthor of several ta ...

and

Rodolfo Coria Rodolfo Aníbal Coria (born in Neuquén June 1, 1959), is an Argentine paleontologist. He is best known for having directed the field study and co-naming of ''Argentinosaurus'' (possibly the world's largest land animal ever) in 1993, and ''Gigano ...

in 2009. The fossils, consisting of three fossil dorsal (back) vertebrae, are well-preserved but incomplete. They were discovered in the

Anacleto Formation The Anacleto Formation is a geologic formation with outcrops in the Argentine Patagonian provinces of Mendoza, Río Negro, and Neuquén. It is the youngest formation within the Neuquén Group and belongs to the Río Colorado Subgroup. Formerl ...

of the

Neuquén Neuquén (; arn, Nehuenken) is the capital city of the Argentine province of Neuquén and of the Confluencia Department, located in the east of the province. It occupies a strip of land west of the confluence of the Limay and Neuquén rive ...

province of western

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, t ...

. The

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen( ...

is ''Barrosasaurus casamiquelai''. The genus name is named after the

Sierra Barrosa Sierra (Spanish for "mountain range" and "saw", from Latin ''serra'') may refer to the following: Places Mountains and mountain ranges * Sierra de Juárez, a mountain range in Baja California, Mexico * Sierra de las Nieves, a mountain range ...

in Neuquén. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

honours the Argentinian paleontologist

Rodolfo Magín Casamiquela Rodolfo is a given name. Notable people with the name include: *Rodolfo (footballer, born 1992), Brazilian footballer Rodolfo José da Silva Bardella * Rodolfo Albano III, Filipino politician * Rodolfo Vera Quizon Sr. (1928-2012), Filipino actor ...

.Salgado, Leonardo; Coria, Rodolfo A. (2009).
''Barrosasaurus casamiquelai'' gen. et sp. nov., a new titanosaur (Dinosauria, Sauropoda) from the Anacleto Formation (Late Cretaceous: early Campanian) of Sierra Barrosa (Neuquén, Argentina)
. ''Zootaxa''. 2222: 1–16. It's been estimated to be 18 meters (60 ft) in length and 13.5 tonnes (14.9 short tons) in weight.

References

Late Cretaceous dinosaurs of South America Titanosaurs Fossil taxa described in 2009 Taxa named by Rodolfo Coria Anacleto Formation {{Cretaceous-reptile-stub Cretaceous Argentina