Vilquechico Formation Explained

Vilquechico Formation
Type:	Geological formation
Age:	Late Campanian-Late Maastrichtian ~
Period:	Maastrichtian
Prilithology:	Sandstone
Otherlithology:	Shale
Namedfor:	Vilquechico
Region:	Puno Department
Coordinates:	-15.2175°N -69.6822°W
Underlies:	Auzangate Formation
Overlies:	Ayabacas Formation
Map:	Blakey 065Ma - COL.jpg

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 . 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 . 1–4 . 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 . . 104 . 41–58 . 2017-06-05.
• Book: . David B. . . Peter . . Halszka . 2004 . The Dinosauria. 2nd . Berkeley. University of California Press . 1–880 . 2019-02-21. 0-520-24209-2.

Notes and References

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