Vilquechico Formation

A Late Campanian to Late Maastrichtian geologic formation in southern Peru

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

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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]

References

^ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
^ Jaimes et al., 2016, p.1
^ Salas & Chacaltana, 2010, p.54
^ Jaimes et al., 2016, p.3

Bibliography

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.