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New specimens of Baurutitan britoi and a taxonomic reassessment of the titanosaur dinosaur fauna (Sauropoda) from the Serra da Galga Formation (Late Cretaceous) of Brazil.


ABSTRACT: The description of new titanosaur specimens unearthed from deposits of the Serra da Galga Formation (Bauru Group, Late Cretaceous) at the BR-262 site, near Peirópolis (Uberaba, Minas Gerais State, Brazil), sheds light on the taxonomy of two taxa previously known from the same area and geological unit: Baurutitan britoi and Trigonosaurus pricei. A comparative revision indicates that T. pricei represents a junior synonym of Ba. britoi, and that the BR-262 specimens belong to that latter species. The information provided by the new specimens also revealed that the paratype of T. pricei (MCT 1719-R), a caudal vertebral series, actually represents a new taxon, named here as Caieiria allocaudata gen. et sp. nov.

SUBMITTER: Silva Junior JCG 

PROVIDER: S-EPMC9673870 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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New specimens of <i>Baurutitan britoi</i> and a taxonomic reassessment of the titanosaur dinosaur fauna (Sauropoda) from the Serra da Galga Formation (Late Cretaceous) of Brazil.

Silva Junior Julian C G JCG   Martinelli Agustín G AG   Marinho Thiago S TS   da Silva João Ismael JI   Langer Max C MC  

PeerJ 20221115


The description of new titanosaur specimens unearthed from deposits of the Serra da Galga Formation (Bauru Group, Late Cretaceous) at the BR-262 site, near Peirópolis (Uberaba, Minas Gerais State, Brazil), sheds light on the taxonomy of two taxa previously known from the same area and geological unit: <i>Baurutitan britoi</i> and <i>Trigonosaurus pricei</i>. A comparative revision indicates that <i>T. pricei</i> represents a junior synonym of <i>Ba. britoi</i>, and that the BR-262 specimens belo  ...[more]

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