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Quebrada del Barro Formation

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Quebrada del Barro Formation
Stratigraphic range: Late Triassic
TypeGeological formation
Location
RegionSan 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]

Dinosaurs

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.
Theropods of the Quebrada del Barro Formation
Genus Species Material Notes Images

Lucianovenator[2]

L. bonoi

"Cervical vertebrae, a sacrum and a partial pelvis"

A coelophysid theropod

Sauropodomorphs of the Quebrada del Barro Formation
Genus Species Material Notes Images

Ingentia[3]

I. prima

"cervical and dorsal vertebrae, scapula"

A lessemsaurid sauropod

Riojasaurus[4]

R. incertus

"a skull, leg bones, vertebrae"

A riojasaurid sauropodomorph

Dinosauromorphs

Dinosauromorphs of the Quebrada del Barro Formation
Genus Species Material Notes Images

Dromomeron[5]

D. gigas

a lagerpetid dinosauromorph

Rhynchocephalians

Rhynchocephalians of the Quebrada del Barro Formation
Genus Species Material Notes Images

Sphenotitan[6]

S. leyesi

"skull, maxilla, dorsal vertebrae, sacral vertebrae, caudal vertebra"

a opisthodont sphenodontian

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. ^ 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.
  3. ^ Cecilia Apaldetti; Ricardo N. Martínez; Ignacio A. Cerda; Diego Pol; Oscar Alcober (2018). "An early trend towards gigantism in Triassic sauropodomorph dinosaurs". Nature Ecology & Evolution. in press. doi:10.1038/s41559-018-0599-y.
  4. ^ "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.
  5. ^ 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.
  6. ^ 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.
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