Estancia "Ocho Hermanos": Middle Cenomanian - Late/Upper Turonian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Abelisauridae
Abelisauridae indet. Bonaparte and Novas 1985
Meso et al. 2021 1 specimen
UNPSJB-PV 969, tooth
Reptilia
Titanosauria informal indet. A Bonaparte and Coria 1993
Ibiricu et al. 2011 2 specimens
UNPSJB-Pv 1010, 1010/1, dorsal vertebrae; "taxon A"
Epachthosaurus sp. Powell 1990
2 specimens
UNPSJB-PV 956, 1006
Reptilia - Rebbachisauridae
Rebbachisauridae indet. Bonaparte 1997
Ibiricu et al. 2012 1 specimen
UNPSJB-PV 1005 (an isolated, nearly complete anterior or middle cervical vertebra)
see common names

Geography
Country:Argentina State/province:Chubut
Coordinates: 45.3° South, 69.6° West (view map)
Paleocoordinates:51.8° South, 47.3° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Key time interval:Middle Cenomanian - Late/Upper Turonian
Age range of interval:100.50000 - 89.80000 m.y. ago
Stratigraphy
Geological group:Chubut Formation:Bajo Barreal Member:Lower
Stratigraphic resolution:bed
Stratigraphy comments: Upper portion of Lower Member of Bajo Barreal Formation
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:fluvial indet.
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils
Preservation of anatomical detail:good
Fragmentation:occasional
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:surface (in situ),mechanical,field collection
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:115564
Authorizer:M. Carrano, P. Mannion Enterer:M. Carrano, P. Mannion
Modifier:F. Aspromonte Research group:vertebrate
Created:2011-09-02 07:57:58 Last modified:2023-11-29 07:47:54
Access level:the public Released:2011-09-02 07:57:58
Creative Commons license:CC BY
Reference information

Primary reference:
37379. G. Casal and L. Ibiricu. 2010. Materiales asignables a Epachthosaurus Powell, 1990 (Sauropoda: Titanosauria), de la Formación Bajo Barreal, Cretácico Superior, Chubut, Argentina [Materials assignable to Epachthosaurus Powell, 1990 (Sauropoda: Titanosauria), from the Bajo Barreal Formation, Upper Cretaceous, Chubut, Argentina]. Revista Brasileira de Paleontologia 13(3):247-256 [M. Carrano/M. Carrano]

Secondary references:

66791 G. A. Casal, R. D. Martinez, M. Luna and L. M. Ibiricu. 2016. Ordenamiento y caracterización faunisitica del Cretacico superior del Grupo Chubut, Cuenca del Golfo San Jorge, Argentina. Revista Brasileira de Paleontologia 19(1):53-70 [E. Vlachos/E. Vlachos]
78368 L. M. Ibiricu, G. A. Casal, R. D. Martínez and C. Navarrete. 2011. Materiales asignables a Titanosauria (Saurischia; Sauropoda) de la Formacion Bajo Barreal, Cretacico Superior, Patagonia Central [Materials assignable to Titanosauria (Saurischia; Sauropoda) from the Bajo Barreal Formation, Upper Cretaceous, central Patagonia]. Brazilian Geographical Journal: Geosciences and Humanities Research Medium, Uberlândia 2(2):337-353 [M. Carrano/M. Carrano]
39483 L. M. Ibiricu, G. A. Casal, M. C. Lamanna, R. D. Martínez, J. D. Harris and K. J. Lacovara. 2012. The southernmost records of Rebbachisauridae (Sauropoda: Diplodocoidea), from early Late Cretaceous deposits in central Patagonia. Cretaceous Research 34:220-232 [P. Mannion/P. Mannion]
86551 J. G. Meso, R. D. Juárez Valieri, J. D. Porfiri, S. A. S. Correa, A. G. Martinelli, G. A. Casal, J. I. Canudo, F. Poblete, and D. Dos Santos. 2021. Testing the persistence of Carcharodontosauridae (Theropoda) in the Upper Cretaceous of Patagonia based on dental evidence. Cretaceous Research 125:104875 [M. Carrano/M. Carrano]