Vilquechico Formation

Vilquechico Formation
Stratigraphic range: Late Campanian-Late Maastrichtian ~76–66 Ma PreꞒ Ꞓ O S D C P T J K Pg N
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 / -15.21750; -69.68222
Region	Puno Department
Country	Peru
Type section
Named for	Vilquechico
Paleogeography of Northern South America, 65 Ma by Ron Blakey

Type locality of the Vilquichico Formation in Peru

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]

Paleofauna

In the formation, tracks of the following species have been found:^[3][4]

• Ornithomimipus jaillardi
• Hadrosaurichnus titicacaensis

See also

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with ornithischian tracks
    • Ornithopod tracks

References

Bibliography

• Jaimes, Fredy; Rodolfo Salas Gismundi, and César Chacaltana. 2016. Nuevas Icnitas de un Dinosaurio Terópodo del Cretáceo Superior en Sedimentitas de la Formación Vilquechico, Perú, 1–4. XVIII Congreso Peruano de Geología. Accessed 2017-06-05.
• Salas Gismundi, Rodolfo, and César Chacaltana. 2010. Huellas de un arcosaurio triásico en la Formación Sarayaquillo (Cuenca Ene, Perú) y el icnoregistro de vertebrados en el mesozóico del Perú. Boletín de la Sociedad Geológica del Perú 104. 41–58. Accessed 2017-06-05.
• Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2

This page was last edited on 26 October 2021, at 00:56