Pichasca: Santonian, Chile
collected by R. M. Casamiquela 1968

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Tracheophyta indet.
trunks
Reptilia
Testudinata indet. (Oppel 1811)
4 specimens
3-4 fragments of carapace, without ornamentation
Theropoda indet. (Marsh 1881)
Rubilar-Rogers et al. 2012 2 specimens
teeth; orig. ID Coelurosauria indet.
Reptilia - Titanosauridae
Antarctosaurus cf. wichmannianus Huene 1927
2 specimens
humerus, No. 20-VI-68
    = Sauropoda indet. Marsh 1878
Bonaparte 1981
    = Titanosauridae indet. Lydekker 1885
Salinas et al. 1991
Titanosauridae indet. Lydekker 1885
1 specimen
scapulocoracoid, No. 20-VI-68-3
Titanosaurinae indet. Lydekker 1893
1 specimen
caudal vertebra, No. 20-VI-68-2
see common names

Geography
Country:Chile State/province:Coquimbo
Coordinates: 30.4° South, 70.9° West (view map)
Paleocoordinates:34.8° South, 51.0° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Santonian 10 m.y. bin:Cretaceous 6
Key time interval:Santonian
Age range of interval:86.30000 - 83.60000 m.y. ago
Stratigraphy
Formation:Viñita
Stratigraphic resolution:group of beds
Stratigraphy comments: bones possibly from units D, E, F - upper part of Viñita Fm.
Lithology and environment
Primary lithology:"cross stratification",volcaniclastic,brown,red sandstone
Secondary lithology:lenticular,gray,red "shale"
Includes fossils?Y
Lithology description: "dark reddish-brown sandstones, in part with crossbedding, with interbedded lenticular layers of dark reddish to dark grey shale 30 cm thick...Beds have "volcanic, well-selected clasts"
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:medium
Disassociated major elements:some
Disassociated minor elements:some
Fragmentation:frequent
Collection methods and comments
Collection methods:surface (float),surface (in situ),field collection,survey of museum collection
Reason for describing collection:general faunal/floral analysis
Collectors:R. M. Casamiquela Collection dates:1968
Metadata
Database number:51669
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2005-06-09 10:23:46 Last modified:2023-11-06 13:17:56
Access level:the public Released:2005-06-09 10:23:46
Creative Commons license:CC BY
Reference information

Primary reference:
59606. R. M. Casamiquela, J. Corvalán, and F. Franquesa. 1969. Hallazgos de dinosaurios en el Cretácico Superior de Chile. Su importancia cronológica-estratigráfica [Discoveries of dinosaurs in the Upper Cretaceous of Chile. Their chronologic-stratigraphic importance]. Boletin del Instituto de Investigaciones Geológicas 25:1-31 [M. Carrano/M. Carrano]

Secondary references:

55099 J. F. Bonaparte. 1981. Inventario de los vertebrados Jurásicos de América del Sur [Inventory of the Jurassic vertebrates of South America]. In W. Volkheimer & E. A. Musaccio (ed.), Cuencas Sedimentarias del Jurásico y Cretácico de América del Sur 2:661-684 [M. Carrano/M. Carrano]
53055 G. Chong Diaz and Z. B. d. Gasparini. 1976. Los vertebrados mesozoicos de Chile y su aporte geo-paleontologico [The Mesozoic vertebrates of Chile and their geo-paleontological importance]. Actas del Sexto Congreso Geologico Argentino, Bahia Blanca, 21-27 September 1975 45-67 [M. Carrano/M. Carrano]
85633 J. Iriarte, K. Moreno, D. Rubilar and A. Vargas. 1999. A titanosaurid from the Quebrada La Higuera Formation (Upper Cretaceous), III Región, Chile. Ameghiniana 36(1):102 [M. Carrano/M. Carrano]
13712ETE J. E. Powell. 2003. Revision of South American titanosaurid dinosaurs: palaeobiological, palaeobiogeographical and phylogenetic aspects. Records of the Queen Victoria Museum Launceston 111:1-173 [M. Carrano/M. Carrano/M. Carrano]
55571 D. Rubilar-Rogers, R. A. Otero, R. E. Yury-Yáñez, A. O. Vargas, and C. S. Gutstein. 2012. An overview of the dinosaur fossil record from Chile. Journal of South American Earth Sciences 37:242-255 [M. Carrano/M. Carrano]
76537 D. Rubilar-Rogers and A. O. Vargas. 2008. Vertebrados terrestres del Mesozoico en Chile: estado del conocimiento y perspectivas [Mesozoic terrestrial vertebrates in Chile: state of knowledge and perspectives]. In A. Rubilar R., D. Rubilar-R., & C. S. Gutstein (eds.), I Simposio—Paleontología en Chile. Libro de Actas 83-86 [M. Carrano/M. Carrano]
55605 P. Salinas, L. G. Marshall, and P. Sepúlveda. 1991. Vertebrados continentales del Paleozoico y Mesozoico de Chile [Continental vertebrates of the Paleozoic and Mesozoic of Chile]. Actas del VI Congreso Geológicao Chileno, Viña del Mar 310-313 [M. Carrano/M. Carrano]
41449 P. Salinas, P. Sepúlveda, and L. G. Marshall. 1991. Hallazgo de restos oseos de dinosaurios (saurópodos) en la Formación Pajonales (Cretácico Superior), Sierra de Almeyda, Región de Antofagasta, Chile: implicancia cronológica [Discovery of skeletal remains of dinosaurs (sauropods) in the Pajonales Formation (Upper Cretaceous), Sierra de Almeyda, Antofagasta Region, Chile: chronological implications]. 6e Congreso Geológico Chileño, Viña del Mar. Resumenes Expandidos. Servicio Nacional de Geología y Mineria, Chile 534-537 [M. Carrano/M. Carrano]
17239ETE A. O. Vargas, M. Suárez, D. Rubilar and K. Moreno. 2000. A titanosaurid vertebra from Pichasca, Formación La Viñita (Late Cretaceous), IV Región, northern Chile. Actas XVI Jornadas Argentinas de Paleontología de Vertebrado, San Luis, Argentina 52 [M. Carrano/M. Carrano/O. Alfaro]