Bajo Barreal Formation
| Bajo Barreal Formation Stratigraphic range: Upper Cretaceous |
|
|---|---|
| Type | Geological formation |
| Location | |
| Country |  Argentina |
The Bajo Barreal Formation is a geological formation in Chubut, Argentina whose strata date back to the Late Cretaceous.
Vertebrate paleofauna
Dinosaurs
Dinosaur remains are among the fossils that have been recovered from the formation.[1] Dinosaur remains include the abelisaurid theropod Xenotarsosaurus bonapartei, as well as indeterminate teeth belonging to carcharodontosaurids and dromaeosaurids.[2]
| Dinosaurs reported from the Bajo Barreal Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Images |
|
A. darwini[3] |
Lower |
|||||
|
C. ameghinoi[3] |
Lower |
Maxilla with seven teeth.[5] |
||||
|
D. deseadensis |
Upper |
"four dorsal vertebrae, one sacral vertebra, six caudal vertebrae, left scapula, dorsal rib fragments, two haemapophyses and indeterminate fragments." |
||||
|
E. sciuttoi[3] |
Lower |
"Vertebrae [and] partial illium."[7] |
||||
|
N. comodorensis[3] |
Lower |
"Vertebrae, partial fore- and hindlimb."[8] |
||||
|
S. musacchioi |
Lower |
|||||
|
S. koerneri[3] |
Upper[10] |
"Associated disarticulated postcrania, braincase."[11] |
||||
|
X. bonapartei[3] |
Lower |
A vertebra and a nearly complete hind limb.[12] |
||||
See also
Footnotes
- ↑ Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, South America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 600-604. ISBN 0-520-24209-2.
- ↑ Casal, G., Candeiro, C.R.A., Martínez, R., Ivany, E., and Ibiricu, L. (2009). "Dientes de Theropoda (Dinosauria: Saurischia) de la Formación Bajo Barreal, Cretácico Superior, Provincia del Chubut, Argentina." Geobios, doi:10.1016/j.geobios.2009.03.002.
- ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 "63.2 Provincia de Chubut, Argentina; 2. Bajo Barreal Formation," in Weishampel, et al. (2004). Page 602.
- ↑ Haubold, H. & Kuhn, O., 1961, Lebensbilder und Evolution fossiler Saurier, Amphibien und Reptilien, Wittenberg : Ziemsen
- ↑ Huene, F. von, 1929, "Los Saurisquios y Ornitisquios del Cretaceo Argentino", Anales del Museo de La Plata, 3(2): 82-83
- ↑ César Navarrete, Gabriel Casal and Rubén Martínez (2011). "Drusilasaura deseadensis gen. et sp. nov., a new titanosaur (Dinosauria-Sauropoda), of the Bajo Barreal Formation, Upper Cretaceous of north of Santa Cruz, Argentina". Revista Brasileira de Paleontologia 14 (1): 1-14. doi:10.4072/rbp.2011.1.01.
- ↑ "Table 13.1," in Weishampel, et al. (2004). Page 268.
- ↑ "Table 18.1," in Weishampel, et al. (2004). Page 395.
- ↑ Rubén D. F. Martínez, Matthew C. Lamanna, Fernando E. Novas, Ryan C. Ridgely, Gabriel A. Casal, Javier E. Martínez, Javier R. Vita & Lawrence M. Witmer (2016) A Basal Lithostrotian Titanosaur (Dinosauria: Sauropoda) with a Complete Skull: Implications for the Evolution and Paleobiology of Titanosauria. PLoS ONE 11(4): e0151661. doi:10.1371/journal.pone.0151661 http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0151661
- ↑ Prieto–Marquez, Alberto; and Salinas, Guillermo C. (2010). "A re–evaluation of Secernosaurus koerneri and Kritosaurus australis (Dinosauria, Hadrosauridae) from the Late Cretaceous of Argentina". Journal of Vertebrate Paleontology 30 (3): 813–837. doi:10.1080/02724631003763508.
- ↑ "Table 20.1," in Weishampel, et al. (2004). Page 439.
- ↑ "Table 3.1," in Weishampel, et al. (2004). Page 49.
References
- Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.
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