Las Horquetas: Middle Cenomanian - Late Turonian, Argentina
collected by J. Sciutto, R. Martínez

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
1 specimen
UNPSJB-PV 580 (an isolated, nearly complete anterior caudal vertebra)
Salgado and Coria 2005
"probable" rebbachisaurid
Ibiricu et al. 2012
Ibiricu et al. 2015
2 specimens
UNPSJB-PV 581-582
Ibiricu et al. 2011
"taxon B"
1 specimen
UNPSJB-PV 583
Martínez et al. 2016
left premaxilla
Reptilia - Titanosauridae
Titanosaurinae indet. Lydekker 1893
4 specimens
UNPSJB-PV 584-587
see common names

Geography
Country:Argentina State/province:Chubut
Coordinates: 44.9° South, 69.4° West (view map)
Paleocoordinates:44.6° South, 36.8° West (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Cenomanian - Turonian 10 m.y. bin: Cretaceous 5 - Cretaceous 6
Key time interval: Middle Cenomanian - Late Turonian
Age range of interval: 100.5 - 89.8 m.y. ago
Stratigraphy
Geological group:Chubut Formation:Bajo Barreal Member:Lower
Stratigraphic resolution:bed
Stratigraphy comments: Upper part of Lower Member of Bajo Barreal Formation
Lithology and environment
Primary lithology:tabular,green sandstone
Includes fossils?Y
Lithology description: "green tabular sandstones"
Environment:fluvial indet.
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils
Preservation of anatomical detail:good
Disassociated major elements:all
Fragmentation:occasional
Collection methods and comments
Collection methods:field collection
Reason for describing collection:general faunal/floral analysis
Collectors:J. Sciutto, R. Martínez
Metadata
Also known as:Estancia Los Sauces, "La Peligrosa"
Database number:68151
Authorizer:M. Carrano, P. Mannion Enterer:M. Carrano, P. Mannion
Modifier:F. Aspromonte Research group:vertebrate
Created:2007-01-04 11:03:08 Last modified:2025-02-22 15:12:02
Access level:the public Released:2007-01-04 11:03:08
Creative Commons license:CC0
Reference information

Primary reference:

38262. J. C. Sciutto and R. D. Martínez. 1994. Un nuevo yacimiento fosilífero de la Formación Bajo Barreal (Cretacico Tardio) y su fauna de saurópodos [A new fossiliferous locality in the Bajo Barreal Formation (Late Cretaceous) and its sauropod fauna]. Naturalia Patagonica, Ciencias de la Tierra 2:27-47 [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]
76290 L. M. Ibiricu, G. A. Casal, R. D. Martínez, M. C. Lamanna, M. Luna and L. Salgado. 2015. New material of Katepensaurus goicoecheai (Sauropoda: Diplodocoidea) and its significance for the morphology and evolution of Rebbachisauridae. Ameghiniana 52(4):430-446 [M. Carrano/M. Carrano/M. Carrano]
58994 R. D. F. Martínez, M. C. Lamanna, F. E. Novas, R. C. Ridgley, G. A. Casal, J. E. Martínez, J. R. Vita and L. 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):e0151661:1-82 [M. Carrano/M. Carrano]
19581ETE L. Salgado and R. A. Coria. 2005. Sauropods of Patagonia: systematic update and notes on global sauropod evolution. In K. Carpenter and V. Tidwell (eds.), Thunder-Lizards: The Sauropodomorph Dinosaurs. Indiana University Press, Bloomington 430-453 [M. Carrano/M. Carrano]