List of gomphothere fossils in South America

This is a list of gomphothere fossils found in South America. Gomphotheres were elephant-like mammals that lived from the Middle Miocene (approximately 12 million years ago) to the Holocene (6000 years BP).
The following species have been described in twentieth and twenty-first century paleontological literature about South America.
An alternative proposal is considered within the scientific community, listed below.
Gomphothere fossil finds.
"Formations are ordered according to their youngest age"
Proposed reclassification.
Some authors, Lucas, Mothé, Avilla et al., propose a reclassification of the South American gomphotheres as follows:
Other researchers as Labarca, Prado and Alberdi agree with the placement of species into "Notiomastodon", but reject the idea of a single species. They continue to use "Stegomastodon waringi" for South American gomphotheres from Chile.
Notes and references.
References.
Bibliography.
"Publications are in chronological order, most recent first, because of the advances in taxonomy and research"