La Cruz Formation, Argentina

For other uses, see La Cruz Formation.

The La Cruz Formation is an Aptian geologic formation in Argentina. Pterosaur fossils of Pterodaustro guinazui and Puntanipterus globosus and fish fossils of Austrolepidotes cuyanus, Pleuropholidae indet and Neosemionotus puntanus have been recovered from the formation.^[1] The formation, the uppermost unit of the El Gigante Group, overlies the El Toscal Formation, and is overlain by the Lagarcito Formation. The unit comprises sandstones and conglomerates, deposited in an alluvial plain to fluvial environment.^[2]

La Cruz Formation
Stratigraphic range: Aptian
Type	Geological formation
Unit of	El Gigante Group
Underlies	Lagarcito Formation
Overlies	El Toscal Formation
Lithology
Primary	Sandstone
Other	Conglomerate
Location
Coordinates	32.5°S 67.0°W / -32.5; -67.0
Approximate paleocoordinates	33.3°S 34.0°W / -33.3; -34.0
Region	San Luis Province
Country	Argentina
Extent	Marayes-El Carrizal Basin
La Cruz Formation, Argentina (Argentina)

See also

• List of pterosaur-bearing stratigraphic units