Castaneda, O. W. Miller 2004. Late Tertiary terrestrial mammals from central Mexico and their relationship to South American immigrants. Revista Brasileira de Paleontologia 7(2):249-161.
Deméré T., 2006. Hydrochoerus sp. San Diego Natural History Museum Fossil Field Guide Hydrochoerus species, Pleistocene Epoch.
Deschamps, C., A. Olivares, E. Vieytes, M. Vucetich, 2007. Ontogeny and Diversity of the Oldest Capybaras (Rodentia: Hydrochoeridae); Late Miocene of Argentina. Journal of Vertebrate Paleontology 27(3):383-692.
Flynn, J. B. Kowallis, C. Nuñez, O. Carranza-Casteñada, W. Miller, C. Swisher, E. Lindsay 2005. Geochronology of Hemphillian-Blancan Aged Strata, Guanajuato, Mexico, and Implications for timing of the Great American Biotic Interchange. Journal of Geology 113:287-307.
Herrera, E. and D. W. Macdonald, 1989. Resource utilization and territoriality in group-living capybara. Journal of Animal Ecology 58(2):667-679.
Herrera, E. and D. W. Macdonald, 1993. Aggression, dominance, and mating success among capybara males (Hydrochaeris hydrochaeris). Behavioral Ecology 4(2):114-119.
Kaspar, T., W. McClure 1976. The Taylor Bayou Local fauna (Pleistocene) near Houston, Texas. The Southwestern Naturalist: 21(1):9-16.
Koenigswald, W. F. Goin, R. Pascual 1999. Hypsodonty and enamel microstructure in the Paleocene gondwanatherian mammal Sudamerica ameghinoi. Acta Palaeontologica Polonica 44(3):263-300.
Kurtén, B. and E. Anderson. 1980. Pleistocene Mammals of North America p. 274.
Macdonald, D. W. and E. Herrera 2001. Encyclopedia of mammals, D. W. Macdonald, ed. Andromeda Oxford Ltd. pp. 678-681.
McKenna, M. and S. Bell 1997. Classification of mammals above the species level. Columbia University Press. pp. 201-203.
Mones, A. and J. Ojasti, 1986. Hydrochoerus hydrochaeris. Mammalian Species. American Society of Mammalogists 264:1-7.
J.L. Prado, E. Cerdeño, and S. Roig-Juñet. 1998. The giant rodent Chapalmatherium from the Pliocene of Argentina: new remains and taxonomic remarks on the family Hydrochoeridae. Journal of Vertebrate Paleontology 18(4):788-798.
Rowe, D. and R. Honeycutt, 2002. Phylogenetic relationships, ecological correlates, and molecular evolution within the Cavioidea (Mammalia, Rodentia). Molecular Biology and Evolution 19:263-277.
Sanders, A.E. 2002. Additions to the Pleistocene Mammal Faunas of South Carolina, North Carolina, and Georgia:
Transactions of the American Philosophical Society, v. 92, p. 1-152.
Webb, S.D. 2006. The Great American Biotic Interchange: Patterns and processes: Annals of the Missouri Botanical
Garden, v. 93, p. 245-257.
Wyss, A.R., J.J. Flynn, M.A. Norell, C.C. Swisher III, R. Charrier, M.J. Novacek, M.C. McKenna. 1993. South American's earliest rodent and recognition of a new interval of mammalian evolution. Nature 356:434-437.
