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Laguna Colorada Formation

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Geological formation in Argentina
Laguna Colorada Formation
Stratigraphic range: Early Jurassic
<192.8 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
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 ArgentinaLaguna Colorada FormationLaguna 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.

Vertebrate paleofauna

Dinosaur tracks geographically located in Santa Cruz Province, Argentina.

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 fragmentary to complete skeletons, skulls, juvenile to adult"
Heterodontosauridae indet. Ineterminate Santa Cruz Province

See also

References

  1. ^ 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 . Ameghiniana 16(1-2):173-182
  • R. M. Casamiquela. 1964. Sobre el hallazgo de dinosaurios triásicos en la Prov. de Santa Cruz . 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
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