Laguna Colorada Formation

Laguna Colorada Formation
Stratigraphic range: Early Jurassic
<192.8 Ma
↓
TypeGeological formation
Unit ofEl Tranquilo Group
Lithology
PrimarySiltstone
Otherdolomite
Location
Coordinates48°06′S 68°18′W / 48.1°S 68.3°W / -48.1; -68.3
Approximate paleocoordinates56°42′S 24°48′W / 56.7°S 24.8°W / -56.7; -24.8
RegionSanta Cruz Province
CountryArgentina
ExtentAustral Basin
Laguna Colorada Formation is located in Argentina
Laguna Colorada Formation
Laguna Colorada Formation (Argentina)

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]

Vertebrate paleofauna

Dinosaur tracks geographically located in Santa Cruz Province, Argentina.[1]

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.
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"
[1][3]
Heterodontosauridae indet. Ineterminate Santa Cruz Province
[1]

See also

References

  1. ^ 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.
  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.
  3. ^ "Table 12.1," in Weishampel, et al. (2004). Page 235.

Further reading

  • 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