Río Belgrano Formation
Stratigraphic range: Barremian-Aptian
TypeGeological formation
Unit ofPueyrredón Group
UnderliesRío Tarde Formation
OverliesRío Mayer Formation
Lithology
PrimarySandstone
Location
Coordinates48°00′S 72°00′W / 48.0°S 72.0°W / -48.0; -72.0
Approximate paleocoordinates48°00′S 35°30′W / 48.0°S 35.5°W / -48.0; -35.5
RegionSanta Cruz Province
CountryArgentina
ExtentAustral Basin
Río Belgrano Formation is located in Argentina
Río Belgrano Formation
Río Belgrano Formation (Argentina)

The Río Belgrano Formation is a Barremian to Aptian geologic formation of the Austral Basin in Patagonia, southern Argentina. Among others, pterosaur and ichthyosaur fossils have been recovered from the formation.[1]

Fossil content

The following fossils have been recovered from the formation:[2]

See also

References

Bibliography

Further reading

  • M. B. Aguirre Urreta. 1989. The Cretaceous decapod Crustacea of Argentina and the Antarctic Peninsula. Palaeontology 32(3):499-552
  • M. B. Aguirre Urreta. 1986. Aptian ammonites from the Argentinian Austral Basin. The Subfamily Helicancylinae Hyatt, 1894. Annals of the South African Museum 96(7):271-314
  • J. F. Bonaparte. 1978. El Mesozoico de America de Sur y sus Tetrapodos [The Mesozoic of South America and its tetrapods]. Opera Lilloana 26:1-596
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