The Laguna Colorada Formation is a geological formation of the Austral Basin in Patagonia, Argentina. The formation belongs to the El Tranquilo Group and dates back to the Early Jurassic, with a maximum age of 192.78 ± 0.14 Ma.[1][2]
| Laguna Colorada Formation | |
|---|---|
| Stratigraphic range: Early Jurassic < | |
| Type | Geological formation |
| Unit of | El Tranquilo Group |
| Lithology | |
| Primary | Siltstone |
| Other | dolomite |
| Location | |
| Coordinates | 48°06′S 68°18′W / 48.1°S 68.3°W |
| Approximate paleocoordinates | 56°42′S 24°48′W / 56.7°S 24.8°W |
| Region | Santa Cruz Province |
| Country | Argentina |
| Extent | Austral Basin |
  Laguna Colorada Formation (Argentina) | |
Vertebrate paleofauna
editDinosaur tracks geographically located in Santa Cruz Province, Argentina.[1]
Color key
|
Notes Uncertain or tentative taxa are in small text; |
| Dinosaurs of the Laguna Colorada Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Material | Notes | Images | |
| Mussaurus | M. patagonicus | Santa Cruz Province | "More than [ten] fragmentary to complete skeletons, [four] skulls, juvenile to adult" |  | ||
| Heterodontosauridae indet. | Ineterminate | Santa Cruz Province | ||||
See also
editReferences
edit- ^ a b c d Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Triassic, South America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 527–528. ISBN 0-520-24209-2.
- ^ Pol, Diego; Mancuso, Adriana C.; Smith, Roger M. H.; Marsicano, Claudia A.; Ramezani, Jahandar; Cerda, Ignacio A.; Otero, Alejandro; Fernandez, Vincent (2021-10-21). "Earliest evidence of herd-living and age segregation amongst dinosaurs". Scientific Reports. 11 (1): 20023. Bibcode:2021NatSR..1120023P. doi:10.1038/s41598-021-99176-1. ISSN 2045-2322. PMC 8531321. PMID 34675327. S2CID 239455925.
- ^ "Table 12.1," in Weishampel, et al. (2004). Page 235.
Further reading
edit- A. M. Báez and C. A. Marsicano. 1998. A heterodontosaurian ornithischian in the Upper Triassic of southern Patagonia?. Gondwana 10: Event Stratigraphy of Gondwana, Cape Town, South Africa 27:14-15
- J. F. Bonaparte and M. Vince. 1979. El hallazgo del primer nido de dinosaurios triasicos, (Saurischia, Prosauropoda), Triasico Superior de Patagonia, Argentina [The discovery of the first nest of Triassic dinosaurs (Saurischia, Prosauropoda,) from the Upper Triassic of Patagonia, Argentina]. Ameghiniana 16(1-2):173-182
- R. M. Casamiquela. 1964. Sobre el hallazgo de dinosaurios triásicos en la Prov. de Santa Cruz [On the discovery of Triassic dinosaurs in Santa Cruz Prov.]. Argentina Austral 35:10-11
- D. Pol and J. E. Powell. 2007. Skull anatomy of Mussaurus patagonicus (Dinosauria: Sauropodomorpha) from the Late Triassic of Patagonia. Historical Biology 19(1):125-144