Tapuiasaurus
| Tapuiasaurus Temporal range: Aptian
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|---|---|
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| Reconstructed skeleton, Museum of Zoology of the University of São Paulo | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha |
| Clade: | †Sauropoda |
| Clade: | †Macronaria |
| Clade: | †Titanosauria |
| Genus: | †Tapuiasaurus Zaher et al. 2011 |
| Species: | †T. macedoi
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| Binomial name | |
| †Tapuiasaurus macedoi Zaher et al. 2011
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Tapuiasaurus (meaning "Tapuia lizard") is a genus of titanosaur which lived during the Lower Cretaceous period (Aptian age) in what is now Minas Gerais, Brazil.
Discovery
Its fossils, including a partial skeleton with a nearly complete skull, have been recovered from the Quiricó Formation of the São Francisco Basin in Minas Gerais, eastern Brazil. This genus was named a team of researchers led by Hussam Zaher, including Diego Pol, Alberto B. Carvalho, Paulo M. Nascimento, Claudio Riccomini, Peter Larson, Rubén Juárez Valieri, Ricardo Pires Domingues, Nelson Jorge da Silva Jr. and Diógenes de Almeida Campos, in a 2011 publication. The type species, Tapuiasaurus macedoi, was also described in this study. [1]
Classification
Tapuiasaurus was originally classified as a member of the Nemegtosauridae family by its original describers, but subsequent cladistic analyses have revealed a more complex relationship. Wilson et al. (2016) found that Tapuiasaurus falls outside the Lithostrotia shade while Carballido et al. (2017) discovered a close relationship between Tapuiasaurus and the Gondwanan lithostrotians Isisaurus and Rapetosaurus, suggesting a distant connection to Nemegtosaurus. [2][3]
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