6 km north of Estancia "Ocho Hermanos" (2): Late/Upper Cenomanian - Early/Lower Turonian, Argentina

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Epachthosaurus sciuttoi Powell 1990
Martínez et al. 2004 1 specimen
UNPSJB-PV 920 (6 measurements)
Reptilia - Abelisauridae
Abelisauria indet. Novas 1992
1 specimen
    = Abelisauridae indet. Bonaparte and Novas 1985
Lamanna et al. 2002
see common names

Country:Argentina State/province:Chubut County:Sarmiento
Coordinates: 45.3° South, 69.6° West (view map)
Paleocoordinates:51.9° South, 47.3° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Period:Cretaceous Epoch:Late/Upper Cretaceous
Key time interval:Late/Upper Cenomanian - Early/Lower Turonian
Age range of interval:99.60000 - 89.30000 m.y. ago
Geological group:Chubut Formation:Bajo Barreal Member:Lower
Stratigraphic resolution:bed
Stratigraphy comments: upper portion of the Lower Member
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:terrestrial indet.
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils
Preservation of anatomical detail:good
Articulated whole bodies:none
Associated major elements:none
Disassociated major elements:all
Temporal resolution:snapshot
Collection methods and comments
Collection methods:selective quarrying,mechanical,field collection
Reason for describing collection:taxonomic analysis
Database number:49099
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2005-04-08 11:00:59 Last modified:2017-05-23 16:34:15
Access level:the public Released:2005-04-08 11:00:59
Creative Commons license:CC BY
Reference information

Primary reference:

13118.ETE R. D. Martínez, A. Maure, M. Oliva and M. Luna. 1993. Un maxilar de Theropoda (Abelisauria) de la Formacion Bajo Barreal, Cretacico Tardio, Chubut, Argentina [A theropod (Abelisauria) maxilla from the Bajo Barreal Formation, Late Cretaceous, Chubut, Argentina]. Ameghiniana 30(1):109-110 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

13119ETE M. C. Lamanna, R. D. Martínez, and J. B. Smith. 2002. A definitive abelisaurid theropod dinosaur from the Early Cretaceous of Patagonia. Journal of Vertebrate Paleontology 22(1):59-69 [M. Carrano/M. Carrano/M. Carrano]
10539 R. D. Martínez, O. Giménez, J. Rodríguez, M. Luna, and M. C. Lamanna. 2004. An articulated specimen of the basal titanosaurian (Dinosauria: Sauropoda) Epachthosaurus sciuttoi from the early Late Cretaceous Bajo Barreal Formation of Chubut province, Argentina. Journal of Vertebrate Paleontology 24(1):107-120 [M. Carrano/M. Carrano/M. Carrano]