The Lechería Limestone is a geologic formation in Chiapas, Mexico. The shallow reefal biomicrite and mud-supported oolitic and pelletoidal biosparite limestones preserve fossils dating back to the Paleogene period.Soyalo road section at Fossilworks.org
See also List of fossiliferous stratigraphic units in Mexico Klondike Mountain Formation Nanjemoy Formation Bogotá Formation
References
Further reading S. H. Frost and R. L. Langenheim, Jr. 1974. Cenozoic Reef Biofacies. Chicago, Northern Illinois University Press 1-388