Jump to content

Anzaldo Formation

Coordinates: 17°48′S 65°48′W / 17.8°S 65.8°W / -17.8; -65.8
From Wikipedia, the free encyclopedia
Anzaldo Formation
Stratigraphic range: Katian
~460–446 Ma
TypeGeological formation
Unit ofCochabamba Group
UnderliesSan Benito Formation
OverliesCapinota Formation
Lithology
PrimarySandstone
Location
Coordinates17°48′S 65°48′W / 17.8°S 65.8°W / -17.8; -65.8
Approximate paleocoordinates45°06′S 127°30′W / 45.1°S 127.5°W / -45.1; -127.5
RegionCochabamba Department
Country Bolivia
ExtentCordillera Oriental
Anzaldo Formation is located in Bolivia
Anzaldo Formation
Anzaldo Formation
Anzaldo Formation
Anzaldo Formation
Anzaldo Formation (Bolivia)

The Anzaldo Formation is a Katian geologic formation of central Bolivia. The formation belongs to the Cochabamba Group, overlies the Capinota Formation and is overlain by the San Benito Formation.[1]

Fossil content

[edit]

The formation has provided the following fossils:

Fish

[edit]
Pteraspidomorphi

Trilobites

[edit]

Bivalves

[edit]

Gastropods

[edit]

Lingulida

[edit]

See also

[edit]

References

[edit]
  1. ^ Anzaldo Formation at Fossilworks.org
  2. ^ a b Emig & Herrera, 2006
  3. ^ a b c Gagnier et al., 1996
  4. ^ Pradel et al., 2007
  5. ^ a b c d e f g Branisa, 1965

Bibliography

[edit]
  • Pradel, A.; Sansom, I. J.; Gagnier, P.-Y.; Cespedes, R.; Janvier, P. (2007), "The tail of the Ordovician fish Scabambaspis", Biology Letters, 3 (1): 72–75, doi:10.1098/rsbl.2006.0557, PMC 2373808, PMID 17443969
  • Emig, C. C.; Herrera, Z. (2006), "Dignomia munsterii (Brachiopoda, Lingulata) from the Ordovician of Bolivia, with redescription of the genus", Geodiversitas, 28: 227–237
  • Gagnier, P. Y.; Blieck, A.; Emig, C. C.; Sempere, T.; Vachard, D.; Vanguestaine, M. (1996), "New paleontological and geological data on the Ordovician and Silurian of Bolivia", Journal of South American Earth Sciences, 9 (5): 329–347, Bibcode:1996JSAES...9..329G, doi:10.1016/S0895-9811(96)00018-1
  • Branisa, L (1965), "Los fósiles guias de Bolivia: I. Paleozoico", Boletín de Servicio Geologico de Bolivia la Paz, Bolivia, 6: 1–282