Campbell, K.E. & Frailey, C.D. & Pittman, L.R. (2000)
The late Miocene gomphothere Amahuacatherium peruvium (Proboscidea: Gomphotheriidae) from Amazonian Peru: implications for the Great American Faunal Interchange.
Instituto Geológico Minero y Metalúrgico, 23, 1–151