Lagarcito Formation
| Lagarcito Formation | ||
|---|---|---|
Approximate paleocoordinates 38°00′S 38°42′W / 38.0°S 38.7°W | | |
| Region | San Luis Province | |
| Country | Argentina | |
| Extent | Marayes-El Carrizal Basin | |
  Lagarcito Formation (Argentina) | ||
The Lagarcito Formation is an
lacustrine environment.[1] The fossil association and the geological evidence indicate that the Lagarcito Formation represents a perennial shallow lake situated in an alluvial plain where detrital sedimentation and semiarid climatic conditions predominated.[2]
Fossil content
The following fossils have been found in the Lagarcito Formation:[3]
- Neosemionotus puntanus
- Austrolepidotus cuyanus
- Lepidotes pusillus
- Pterodaustro guinazui
- Treptichnus pollardi
- Cyzicus aff. codoensis
- Darwinula sp.
- Copytus sp.
- Bisulcocypris sp.
- Candonopsis sp.
- Anura indet.
- Magnoliophyta indet.
- Pleuropholidae indet.
- Trichoptera indet.
See also
References
- ^ Gardini et al., 2009, p.554
- ^ Loma del Pterodaustro fossil site at Fossilworks.org
- ^ Loma del Pterodaustro at Fossilworks.org
Bibliography
- Gardini, Carlos; David Rivarola; Maximiliano Agüera, and Gerónimo Candela. 2009. Estructura de la región Sierra de Guayaguas-Marayes, Provincias de San Juan y San Luis. Revista de la Asociación Geológica Argentina 65. 551–565. Accessed 2018-09-08.
Further reading
- A. López-Arbarello and L. Codorniú. 2007. Semionotids (Neopterygii, Semionotiformes) from the Lower Cretaceous Lagarcito Formation, San Luis Province, Argentina. Journal of Vertebrate Paleontology 27(4):811-826