// Workers AI · dad joke modeWhat did the Vilquechico Formation say? "I've got a rock-solid formation.
| Vilquechico Formation | |
|---|---|
| Stratigraphic range: Late Campanian-Late Maastrichtian ~ | |
| Type | Geological formation |
| Underlies | Auzangate Formation |
| Overlies | Ayabacas Formation |
| Lithology | |
| Primary | Sandstone |
| Other | Shale |
| Location | |
| Coordinates | 15°13′03″S 69°40′56″W / 15.21750°S 69.68222°W |
| Region | Puno Department |
| Country | Peru |
| Type section | |
| Named for | Vilquechico |
 Paleogeography of Northern South America, 65 Ma by Ron Blakey | |
The Vilquechico Formation is a Late Campanian to Late Maastrichtian geologic formation in southern Peru. Fossil ornithopod tracks have been reported from the formation.[1] The formation overlies the Ayabacas Formation and is overlain by the Auzangate Formation.[2]
Fossil content
[edit]In the formation, tracks of the following species have been found:[3][4]
Color key
|
Notes Uncertain or tentative taxa are in small text; |
Ichnofossils
[edit]| Ichnofossils of the Vilquechico Formation | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Location | Stratigraphic position | Material | Notes | Image |
| Hadrosaurichnus | H. titicacaensis | Puno Department, Peru | Campanian to Maastrichtian | |||
| Ornithomimipus | O. jaillardi | Puno Department, Peru | Campanian to Maastrichtian | |||
See also
[edit]References
[edit]Bibliography
[edit]- Jaimes, Fredy; Salas Gismundi, Rodolfo; Chacaltana, César (2016). Nuevas Icnitas de un Dinosaurio Terópodo del Cretáceo Superior en Sedimentitas de la Formación Vilquechico, Perú. XVIII Congreso Peruano de Geología. pp. 1–4. Retrieved 2017-06-05.
- Salas Gismundi, Rodolfo; Chacaltana, César (2010). "Huellas de un arcosaurio triásico en la Formación Sarayaquillo (Cuenca Ene, Perú) y el icnoregistro de vertebrados en el mesozóico del Perú" (PDF). Boletín de la Sociedad Geológica del Perú. 104: 41–58. Retrieved 2017-06-05.
- Weishampel, David B.; Dodson, Peter; Osmólska, Halszka, eds. (2004). The Dinosauria (2nd ed.). Berkeley: University of California Press. pp. 1–880. ISBN 0-520-24209-2. Retrieved 2019-02-21.