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Riograndia
| Riograndia Temporal range: Norian
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| Life restoration of Riograndia guaibensis | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Synapsida |
| Clade: | Therapsida |
| Clade: | Cynodontia |
| Family: | †Tritheledontidae |
| Genus: | †Riograndia Bonaparte et al., 2001 |
| Species: | †R. guaibensis
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| Binomial name | |
| †Riograndia guaibensis Bonaparte et al., 2001
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Riograndia is an extinct genus of prozostrodontian cynodonts from the Late Triassic of Brazil.[1] The type and only species is Riograndia guaibensis, named after the State of Rio Grande do Sul and Guaíba Basin, where it was discovered.[2] Remains have been found in the Caturrita Formation of the geopark of Paleorrota. It was a small non-mammalian cynodont, with several advanced features also present in mammals. Several specimens of Riograndia guaibensis have been found in the towns of Candelária and Faxinal do Soturno in the Caturrita Formation.[3] The genus defines the Riograndia Assemblage Zone.[1][4]
- ^ a b Morgan Lionel Guignard, Agustin G. Martinelli, Marina B Soares (2019). "Postcranial anatomy of Riograndia guaibensis (Cynodontia: Ictidosauria)". Geobios. 53: 9-21. doi:10.1016/j.geobios.2019.02.006.
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