| Gamatavus Temporal range: Middle Triassic,
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia (?) |
| Family: | †Silesauridae |
| Genus: | †Gamatavus Pretto et al., 2022 |
| Species: | †G. antiquus
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| Binomial name | |
| †Gamatavus antiquus Pretto et al., 2022
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  | |
| Gamatavus type locality in Dilermando de Aguiar Municipality, Brazil | |
Gamatavus (meaning "Picada do Gama great-grandfather") is a genus of silesaurid dinosauriform from the Middle Triassic Santa Maria Formation of Dilermando de Aguiar Municipality, Brazil. The genus contains a single species, G. antiquus, known from a partial ilium. Gamatavus represents the oldest silesaurid known from South America.[1]
- ^ Pretto, Flávio Augusto; Müller, Rodrigo Temp; Moro, Debora; Garcia, Maurício Silva; Paes Neto, Voltaire Dutra; da Rosa, Átila Augusto Stock (2022-09-28). "The oldest South American silesaurid: New remains from the Middle Triassic (Pinheiros-Chiniquá Sequence, Dinodontosaurus Assemblage Zone) increase the time range of silesaurid fossil record in southern Brazil". Journal of South American Earth Sciences. 120: 104039. doi:10.1016/j.jsames.2022.104039. ISSN 0895-9811. S2CID 252609210.
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