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Its fossils date back to the [[Late Triassic]] epoch of the [[Triassic]] period.<ref name="triassicdistribution">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}}.</ref>
Its fossils date back to the [[Late Triassic]] epoch of the [[Triassic]] period.<ref name="triassicdistribution">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}}.</ref>


===Dinosauromorphs===
===Dinosaurs===


{{paleobiota-key-compact}}
{{paleobiota-key-compact}}
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''[[Lucianovenator]]''<ref>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]].</ref>
''[[Lucianovenator]]''
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''L. bonoi''
''L. bonoi''
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''[[Ingentia]]''<ref>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.]]</ref>
''[[Ingentia]]''
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''I. prima''
''I. prima''
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''[[Riojasaurus]]''<ref name="ageofdinosaursriojasaurus">"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}}.</ref>
''[[Riojasaurus]]''
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''R. incertus''
''R. incertus''
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''[[Dromomeron]]''<ref>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.]]</ref>
''[[Dromomeron]]''
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''D. gigas''
''D. gigas''
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== See also ==
{{portal|Paleontology|Triassic|Argentina}}
* [[List of dinosaur-bearing rock formations]]


===Dinosauromorphs===
== References ==
{{Reflist}}

[[Category:Geologic formations of Argentina]]
[[Category:Geology of San Juan Province, Argentina]]
[[Category:Triassic Argentina]]
[[Category:Late Triassic South America]]
[[Category:Triassic System of South America]]


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! colspan="7" align="center" |'''[[Rhynchocephalian]]s of the Quebrada del Barro Formation'''
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! Genus
! Species
! width="20%"| Material
! width="30%"| Notes
! Images
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''[[Sphenotitan]]''<ref>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.]]</ref>
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''S. leyesi''
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"skull, maxilla, dorsal vertebrae, sacral vertebrae, caudal vertebra"
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a [[opisthodont]] [[sphenodontian]]
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===Rhynchocephalians===
{{coord missing|Argentina}}

Revision as of 21:07, 10 July 2018

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

  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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