The Marília Formation is a geological formation in Minas Gerais state of southeastern Brazil. Its strata date back to the Maastrichtian, and are part of the Bauru Group.[1]
| Marília Formation | |
|---|---|
| Stratigraphic range: Maastrichtian ~ | |
| Type | Geological formation |
| Unit of | Bauru Group |
| Overlies | Uberaba Formation Adamantina Formation |
| Lithology | |
| Primary | Sandstone |
| Other | Mudstone, siltstone, limestone |
| Location | |
| Coordinates | 19°36′S 48°00′W / 19.6°S 48.0°W |
| Approximate paleocoordinates | 23°06′S 33°54′W / 23.1°S 33.9°W |
| Region |  Minas Gerais |
| Country |  Brazil |
| Extent | Bauru Sub-basin, Paraná Basin |
| Type section | |
| Named for | Marília |
  Marília Formation (Brazil) | |
The fossil-bearing Serra da Galga and Ponte Alta members were originally thought to belong to this formation[2] but were split off into the Serra da Galga Formation in 2020.[3]
Fossil content
editCrurotarsans
edit| Crocodylomorphs of the Marilia Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Notes | Images | ||
| Titanochampsa | T. iorii | A mesoeucrocodylian[4] | ||||
Ornithodirans
edit| Dinosaurs of the Marilia Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
| Kurupi | K. itaata | An abelisaurid[5] | ||||
See also
editReferences
edit- ^ Marília Formation at Fossilworks.org
- ^ Weishampel et al., 2004, pp. 600-604
- ^ Marcus Vinícius Theodoro Soares; Giorgio Basilici; Thiago da Silva Marinho; Agustín Guillermo Martinelli; André Marconato; Nigel Philip Mountney; Luca Colombera; Áquila Ferreira Mesquita; Julia Tucker Vasques; Francisco Romero Abrantes Junior; Luiz Carlos Borges Ribeiro (2021). "Sedimentology of a distributive fluvial system: The Serra da Galga Formation, a new lithostratigraphic unit (Upper Cretaceous, Bauru Basin, Brazil)". Geological Journal. 56 (2): 951–975. doi:10.1002/gj.3987. S2CID 224928245.
- ^ Fachini, T.S.; Godoy, P.L.; Marsola, J.C.A.; Montefeltro, F.C.; Langer, M.C. (2022). "A large-sized mesoeucrocodylian from the Late Cretaceous of Brazil with possible neosuchian affinities". Historical Biology. 35 (10): 1–14. doi:10.1080/08912963.2022.2122822. S2CID 252572878.
- ^ Iori, Fabiano Vidoi; Araújo-Júnior, Hermínio Ismael de; Tavares, Sandra A. Simionato; Marinho, Thiago da Silva; Martinelli, Agustín G. (2021-09-04). "New theropod dinosaur from the late Cretaceous of Brazil improves abelisaurid diversity". Journal of South American Earth Sciences. 112: 103551. Bibcode:2021JSAES.11203551I. doi:10.1016/j.jsames.2021.103551. ISSN 0895-9811. S2CID 239682640.