Estancia Laguna Palacios: Late Cenomanian - Early Turonian, Argentina
collected by UNPSJB 1989

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
UNPSJB-PV 1004 - an associated but fragmentary caudal series consisting of an anterior vertebra (UNPSJB-PV 1004/1) and neural arch (UNPSJB-PV 1004/2), a middle vertebra (UNPSJB-PV 1004/3) and neural arch (UNPSJB-PV 1004/4), and two anterior to middle haemal arches (UNPSJB-PV 1004/5 and UNPSJB-PV 1004/6)
Ibiricu et al. 2015
Reptilia - Megaraptoridae
Lamanna et al. 2020 1 specimen
UNPSJB-PV 958, partial skeleton
see common names

Geography
Country:Argentina State/province:Chubut
Coordinates: 44.8° South, 69.2° West (view map)
Paleocoordinates:44.2° South, 35.8° West (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Cenomanian - Turonian 10 m.y. bin: Cretaceous 5 - Cretaceous 6
Key time interval: Late Cenomanian - Early Turonian
Age range of interval: 100.5 - 89.8 m.y. ago
Stratigraphy
Geological group:Chubut Formation:Bajo Barreal Member:Upper
Stratigraphic resolution:bed
Stratigraphy comments: Lowermost part of Upper Member of Bajo Barreal Formation; "thought to date to approximately the Cenomanian–Turonian boundary"
Lithology and environment
Primary lithology: claystone
Secondary lithology:brown,gray mudstone
Includes fossils?Y
Lithology description: claystones and gray-brown mudstones
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Articulated whole bodies:none
Associated major elements:some
Disassociated major elements:some
Disassociated minor elements:none
Temporal resolution:snapshot
Collection methods and comments
Collection methods:selective quarrying,surface (in situ),mechanical,field collection
Reason for describing collection:general faunal/floral analysis
Collectors:UNPSJB Collection dates:1989
Collection method comments: UNPSJB-PV, Universidad Nacional de la Patagonia San Juan Bosco, Comodoro Rivadavia,
Argentina
Metadata
Also known as:Cañadón de las Horquetas
Database number:123284
Authorizer:P. Mannion, E. Vlachos Enterer:P. Mannion, F. Aspromonte
Modifier:M. Carrano Research group:vertebrate
Created:2012-01-17 21:27:00 Last modified:2025-02-22 15:12:02
Access level:the public Released:2012-01-17 21:27:00
Creative Commons license:CC0
Reference information

Primary reference:
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]

Secondary references:

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]
87816 M. C. Lamanna, G. A. Casal, R. D. Martínez and L. M. Ibiricu. 2020. Megaraptorid (Theropoda: Tetanurae) partial skeletons from the Upper Cretaceous Bajo Barreal Formation of central Patagonia, Argentina: implications for the evolution of large body size in Gondwanan megaraptorans. Annals of Carnegie Museum 86(3):255-294 [E. Vlachos/F. Aspromonte/M. Carrano]
67806 P. D. Mannion, P. Upchurch, D. Schwarz and O. Wings. 2019. Taxonomic affinities of the putative titanosaurs from the Late Jurassic Tendaguru Formation of Tanzania: phylogenetic and biogeographic implications for eusauropod dinosaur evolution. Zoological Journal of the Linnean Society 185(3):784-909 [P. Mannion/P. Mannion/P. Mannion]