Termas del Flaco: Tithonian, Chile
collected by D. Márquez, A. Fasola, R. M. Casamiquela 1966-1967

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
3 individuals
tridactyl
Casamiquela and Fasola 1968
trackways; SGPV1151 (cast of footprint 6)
Moreno and Benton 2005
second morph
Casamiquela and Fasola 1968 4 individuals
Moreno and Benton 2005
large morph
Moreno and Benton 2005
small morph
see common names

Geography
Country:Chile State/province:O'Higgins County:Colchagua
Coordinates: 34.8° South, 70.5° West (view map)
Paleocoordinates:43.4° South, 26.4° West (Wright 2013)
Basis of coordinate:stated in text
Altitude:1700 meters
Geographic resolution:outcrop
Time
Period: Jurassic Epoch: Late Jurassic
Stage: Tithonian 10 m.y. bin: Jurassic 6
Key time interval: Tithonian
Age range of interval: 149.2 - 143.1 m.y. ago
Stratigraphy
Formation:Baños del Flaco
Stratigraphic resolution:bed
Stratigraphy comments: basal unit of formation (originally Lower Cretaceous), close to boundary with Río Damas Fm.
Lithology and environment
Primary lithology:volcaniclastic,gray calcareous sandstone
Includes fossils?Y
Lithology description: "dark gray calcareous sandstone, 15 cm thick", with volcanic clasts
Environment:mire/swamp
Geology comments: carbonate platform environment, swampy deposition
Taphonomy
Modes of preservation:cast,mold/impression,trace
Size of fossils:macrofossils
Spatial orientation:life position
Preservation of anatomical detail:poor
Associated major elements:many
Disassociated major elements:some
Temporal resolution:snapshot
Spatial resolution:autochthonous
Collection methods and comments
Collection methods:surface (in situ),mechanical,field collection,observed (not collected)
Reason for describing collection:general faunal/floral analysis
Collectors:D. Márquez, A. Fasola, R. M. Casamiquela Collection dates:1966-1967
Metadata
Also known as:Baños del Flaco, Leonardi locality 84, Tinguiririca
Database number:57141
Authorizer:M. Carrano Enterer:K. Maguire, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2005-12-05 14:09:40 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-12-05 14:09:40
Creative Commons license:CC0
Reference information

Primary reference:
63183. A. Fasola R. 1966. Hallazgo de huellas de dinosaurios en el Alto Tinguiririca [Discovery of dinosaur bones in Alto Tinguiririca]. Museum Nacional de Historia Natural, Noticiario Mensual 10(1119):8 [M. Carrano/M. Carrano]

Secondary references:

59610 J. F. Bonaparte. 1978. El Mesozoico de America de Sur y sus Tetrapodos [The Mesozoic of South America and its tetrapods]. Opera Lilloana 26:1-596 [M. Carrano/M. Carrano]
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]
15469ETE R. M. Casamiquela and A. R. Fasola. 1968. Sobre pisadas de dinosaurios del Cretácico Inferior de Colchagua (Chile) [On dinosaur trackways from the Lower Cretaceous of Colchagua (Chile)]. Universidad de Chile, Departamento de Geología 30:5-24 [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]
82180 J. O. Farlow. 1992. Sauropod tracks and trackmakers: integrating the ichnological and skeletal records. Zubía 10:89-138 [M. Carrano/M. Carrano]
62875 G. Leonardi. 1981. As localidades com rastros fósseis de tetrápodes na América Latina [Localities with fossil tetrapod tracks in Latin America]. In Y. T. Sanguinetti (ed.), Anais II Congresso Latino-Americano de Paleontologia 2:929-940 [M. Carrano/M. Carrano]
59104 G. Leonardi. 1989. Inventory and statistics of the South American dinosaurian ichnofauna and its paleobiological interpretation. In D. D. Gillette & M. G. Lockley (ed.), Dinosaur Tracks and Traces 165-178 [M. Carrano/M. Carrano]
14677ETE G. Leonardi. 1994. Annotated Atlas of South America Tetrapod Footprints (Devonian to Holocene) with an Appendix on Mexico and Central America. . República Federativa do Brasil, Ministério de Minas e Energia, Secretaria de Minas e Metalurgia, Companhia de Pesquisa de Recursos Minerais, Brasília 1-248 [M. Carrano/K. Maguire/E. Dunne]
76530 K. Moreno. 2008. Valoración y estado de conservación de huellas de vertebrados Mesozoicos en Chile [Evaluation and conservation of Mesozoic vertebrate footprints in Chile]. In A. Rubilar R., D. Rubilar-R., & C. S. Gutstein (eds.), I Simposio—Paleontología en Chile. Libro de Actas 13-17 [M. Carrano/M. Carrano]
15457ETE K. Moreno and M. J. Benton. 2005. Occurence of sauropod dinosaur tracks in the Upper Jurassic of Chile (redescription of Iguanodonichnus frenki). Journal of South American Earth Sciences 20:253-257 [M. Carrano/K. Maguire/M. Carrano]
51919 D. Rubilar-Rogers. 2006. Icnitas de terópodos en la Formación Baños del Flaco (Jurásico Superior), Chile central [Theropod footprints in the Baños del Flaco Formation (Upper Jurassic), central Chile]. XI Congreso Geológico Chileno, 7–11 August 2006, Antofagasta. Actas 2:117-120 [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]
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]
70300 W. A. S. Sarjeant, J. B. Delair, and M. G. Lockley. 1998. The footprints of Iguanodon: a history and taxonomic study. Ichnos 6(3):183-202 [M. Carrano/M. Carrano]
61518 D. B. Weishampel and J. B. Weishampel. 1983. Annotated localities of ornithopod dinosaurs: implications to Mesozoic paleobiogeography. The Mosasaur 1:43-87 [M. Carrano/M. Carrano]