Category:La Amarga Formation
La Amarga Formation: an {{C|Early Cretaceous South America|Early Cretaceous}} {{C|Geologic formations of Argentina|geologic formation}} and {{C|Paleontological sites of Argentina|paleontological site}} in the {{C|Neuquén Basin}} of northern {{C|Patagonia}}, Argentina.
Category:Fossiliferous stratigraphic units of South America
Category:Geologic formations of Argentina
Category:Lower Cretaceous Series of South America
Category:Geology of Mendoza Province
Category:Geology of Neuquén Province
Category:Geology of Río Negro Province