Earth:Vilquechico Formation

Vilquechico Formation Stratigraphic range: Late Campanian-Late Maastrichtian ~76–66 Ma PreЄ Є 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
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. The formation overlies the Ayabacas Formation and is overlain by the Auzangate Formation.

Fossil content

In the formation, tracks of the following species have been found:

Color key Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon		Notes Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Ichnofossils

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

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

References

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. https://www.researchgate.net/publication/309652141. 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". Boletín de la Sociedad Geológica del Perú 104: 41–58. http://museohn.unmsm.edu.pe/body/content/departamentos/paleontologiaver/Salas-Gismondi_&_Chacaltana_2010_Brachychirotherium_e_Icnitas_mesozoicas_Peru.pdf. Retrieved 2017-06-05. 
• Weishampel, David B., ed (2004). The Dinosauria (2nd ed.). Berkeley: University of California Press. pp. 1–880. ISBN 0-520-24209-2. https://books.google.com/books?id=vtZFDb_iw40C. Retrieved 2019-02-21.