Pichasca: Santonian, Chile
collected by R. M. Casamiquela 1968
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Tracheophyta indet.
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trunks | ||||||||||
Reptilia
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Testudinata indet.
(Oppel 1811)
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4 specimens | |||||||||
3-4 fragments of carapace, without ornamentation | ||||||||||
Theropoda indet.
(Marsh 1881)
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Rubilar-Rogers et al. 2012 | 2 specimens | ||||||||
teeth; orig. ID Coelurosauria indet. | ||||||||||
Reptilia
- Titanosauridae
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Antarctosaurus cf. wichmannianus
Huene 1927
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2 specimens | |||||||||
humerus, No. 20-VI-68 | ||||||||||
= Sauropoda indet.
Marsh 1878
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Bonaparte 1981 | |||||||||
= Titanosauridae indet.
Lydekker 1885
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Salinas et al. 1991 | |||||||||
Titanosauridae indet.
Lydekker 1885
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1 specimen | |||||||||
scapulocoracoid, No. 20-VI-68-3 | ||||||||||
Titanosaurinae indet.
Lydekker 1893
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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] | |
13712 | ETE | 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] | |
17239 | ETE | 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] |