Quebrada del Barro Formation: Difference between revisions
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[[Category:Alluvial deposits]] |
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[[Category:Fluvial deposits]] |
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[[Category:Geology of San Juan Province, Argentina]] |
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Revision as of 15:28, 8 September 2018
| Quebrada del Barro Formation | |
|---|---|
| Stratigraphic range: Norian | |
| Type | Geological formation |
| Unit of | Marayes Group |
| Lithology | |
| Primary | Sandstone |
| Other | Siltstone |
| Location | |
| Coordinates | 31°54′S 67°12′W / 31.9°S 67.2°W |
| Approximate paleocoordinates | 40°48′S 30°00′W / 40.8°S 30.0°W |
| Region | San Juan Province |
| Country |  Argentina |
The Quebrada del Barro Formation is a geological formation in San Juan Province, Argentina.
Its fossils date back to the Late Triassic epoch of the Triassic period.[1] Part of the formation may be made into a provincial park following the discovery of the fossils of Ingentia, a giant dinosaur.[2]
Paleofauna
Dinosaurs
Color key
|
Notes Uncertain or tentative taxa are in small text; |
| Theropods of the Quebrada del Barro Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Material | Notes | Images | ||
|
L. bonoi |
"Cervical vertebrae, a sacrum and a partial pelvis" |
|||||
| Sauropodomorphs of the Quebrada del Barro Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Material | Notes | Images | ||
|
I. prima |
"cervical and dorsal vertebrae, scapula" |
|||||
|
R. incertus |
"a skull, leg bones, vertebrae" |
|||||
Dinosauromorphs
| Dinosauromorphs of the Quebrada del Barro Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Material | Notes | Images | ||
|
D. gigas |
||||||
Rhynchocephalians
| Rhynchocephalians of the Quebrada del Barro Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Material | Notes | Images | ||
|
S. leyesi |
"skull, maxilla, dorsal vertebrae, sacral vertebrae, caudal vertebra" |
|||||
References
- ^ 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.
- ^ "Uac wants a provincial park in the cradle of Ingenia Prima". Naaju. Retrieved 2018-07-15.
- ^ Ricardo N. Martínez; Cecilia Apaldetti (2017). "A late Norian-Rhaetian coelophysid neotheropod (Dinosauria, Saurischia) from the Quebrada del Barro Formation, northwestern Argentina". Ameghiniana. in press. doi:10.5710/AMGH.09.04.2017.3065.
- ^ Apaldetti; Martínez, Ricardo N.; Cerda, Ignatio A.; Pol, Diego; Alcober, Oscar (2018). "An early trend towards gigantism in Triassic sauropodomorph dinosaurs". Nature Ecology & Evolution. 2 (8): 1227–1232. doi:10.1038/s41559-018-0599-y. PMID 29988169.
- ^ "Riojasaurus." In: Dodson, Peter & Britt, Brooks & Carpenter, Kenneth & Forster, Catherine A. & Gillette, David D. & Norell, Mark A. & Olshevsky, George & Parrish, J. Michael & Weishampel, David B. The Age of Dinosaurs. Publications International, LTD. p. 41. ISBN 0-7853-0443-6.
- ^ Ricardo N. Martínez; Cecilia Apaldetti; Gustavo A. Correa; Diego Abelín (2016). "A Norian lagerpetid dinosauromorph from the Quebrada del Barro Formation, northwestern Argentina". Ameghiniana. 53 (1): 1–13. doi:10.5710/AMGH.21.06.2015.2894.
- ^ Martinez, R. N.; Apaldetti, C.; Colombi, C. E.; Praderio, A.; Fernandez, E.; Malnis, P. S.; Correa, G. A.; Abelin, D.; Alcober, O. (2013). "A new sphenodontian (Lepidosauria: Rhynchocephalia) from the Late Triassic of Argentina and the early origin of the herbivore opisthodontians". Proceedings of the Royal Society B: Biological Sciences. 280 (1772): 20132057. doi:10.1098/rspb.2013.2057. PMC 3813332. PMID 24132307.