New records of Titanosauria (Dinosauria: Sauropoda) from the Upper Cretaceous of Mid-Western Brazil (Mato Grosso)  

Lívia Motta Gil, Kamila L. N. Bandeira, Steve Brusatte, Paulo Victor Luiz G. da C. Pereira, Caiubi Emanuel S. Kuhn, Felipe M. Simbras, Ailton B. de Souza, Suzana S. Hirooka, Carlos Roberto dos A. Candeiro.

Research output: Contribution to journalArticlepeer-review

Abstract

The titanosaurs were diverse at the end of the Cretaceous of Brazil. Here we describe several new titanosaur remains of outcrops in the Cachoeira do Bom Jardim Formation, Cambambe Basin, (Upper Cretaceous), collected near the Jangada Roncador community, Chapada dos Guimarães municipality, Mato Grosso, Brazil. Although fragmentary, these specimens indicate the presence of two different sizes bone groups, suggesting, possible, at least two individuals. Despite not having enough diagnostic elements to identify a new species, they are different from the Brazilian species previously described. The area of study in this work has an importance, since with materials collected in this locality was described the species Pycnonemosaurus nevesi. Finally, the titanosaur's fauna of Jangada Roncador can be related to other occurrences, such as the Late Cretaceous Bauru Group, indicating a higher diversity of Brazilian titanosaurians than previously thought.

Original languageEnglish
Article number102596
JournalJournal of South American Earth Sciences
Volume101
DOIs
Publication statusPublished - 1 Aug 2020

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