Genus
Valid Extinct

Barrosasaurus

Salgado and Coria 2009

Barrosasaurus is a genus of titanosaurian sauropod dinosaur, first described by paleontologists Leonardo Salgado and Rodolfo Coria in 2009. The fossils, consisting of three fossil dorsal (back) vertebrae, are well-preserved but incomplete. They were discovered in the Anacleto Formation of the Neuquén province of western Argentina. The type species is Barrosasaurus casamiquelai. The genus name is named after the Sierra Barrosa in Neuquén. The specific epithet honours the Argentinian paleontologist Rodolfo Magín Casamiquela. It has been estimated to be 18 meters in length and 13.5 tonnes in weight.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
2
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Barrosasaurus
click to enlarge
Holotype vertebrae of Barrosasaurus casamiquelai, anterior dorsal MCF-PVPH-447/3 (left) and posterior dorsal MCF-PVPH-447/1 (right). Scale bar is 200 mm. © Skye McDavid · CC BY-SA 4.0 · Wikimedia
Barrosasaurus
Barrosasaurus
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
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Saurischia Unranked clade
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Sauropodomorpha Unranked clade
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Massopoda Unranked clade
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Sauropodiformes Unranked clade
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Sauropoda Unranked clade
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Gravisauria Unranked clade
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Eusauropoda Unranked clade
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Neosauropoda Unranked clade
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Macronaria Unranked clade
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Titanosauriformes Unranked clade
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Somphospondyli Unranked clade
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Titanosauria Unranked clade
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Barrosasaurus Genus
Measurements
Length
18 m ⓘ
Barrosasaurus casamiquelai
Mass
13 500 kg ⓘ
Barrosasaurus casamiquelai
Fossil sites 2 geolocated sites
Distribution
Top countries
🇦🇷 Argentina
2
Geological formations
Portezuelo
1
Anacleto
1
Temporal distribution
Campanian (83.6–72.2 Ma)
1
Turonian (93.9–89.8 Ma)
1
Species (1)
Barrosasaurus casamiquelai 94 Ma
Images 1
Bibliography
Original description
L. Salgado and R. A. Coria. 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 DOI ↗
Bibliography (2)
F. Bellardini, R. A. Coria, and L. M. Chiappe. 2014. Sobre una vértebra dorsal posterior de un Titanosauria (Sauropoda, Titanosauriformes) de la Formación Portezuelo (Cretácico Superior) de la Sierra de Portezuelo, Neuquén, Argentina [On a posterior dorsal vertebra of a Titanosauria (Sauropoda, Titanosauriformes) from the Portezuelo Formation (Upper Cretaceous) of the Sierra de Portezuelo, Neuquén, Argentina]. XXVIII Jornadas Argentina de Paleontología de Vertebrados. Resúmenes. Ameghiniana 51(6 (suppl.)):5
L. Salgado and R. A. Coria. 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 DOI ↗