Deméré, Thomas A. (1983). "The Neogene San Diego basin: a review of the marine Pliocene San Diego formation". Cenozoic Marine Sedimentation, Pacific Margin. Pacific Section,m Society for Sedimentary Geology. pp. 187–195. Retrieved 7 June 2021.
Krijgsman, W.; Garcés, M.; Langereis, C. G.; Daams, R.; Van Dam, J.; Van Der Meulen, A. J.; Agustí, J.; Cabrera, L. (1996). "A new chronology for the middle to late Miocene continental record in Spain". Earth and Planetary Science Letters. 142 (3–4): 367–380. Bibcode:1996E&PSL.142..367K. doi:10.1016/0012-821X(96)00109-4.
Tedford, Richard H.; Albright, L. Barry; Barnosky, Anthony D.; Ferrusquia-Villafranca, Ismael; Hunt, Robert M.; Storer, John E.; Swisher, Carl C.; Voorhies, Michael R.; Webb, S. David; Whistler, David P. (31 December 2004). "6. Mammalian Biochronology of the Arikareean Through Hemphillian Interval (Late Oligocene Through Early Pliocene Epochs)". Late Cretaceous and Cenozoic Mammals of North America: 169–231. doi:10.7312/wood13040-008. ISBN9780231130400.
Flynn, J.; Swisher, C.C. III (1995). "Cenozoic South American Land Mammal Ages: correlation to global geochronology". In William A. Berggren; Dennis V. Kent; Marie-Pierre Aubry; Jan Hardenbol (eds.). Geochronology Time Scales and Global Stratigraphic Correlation. Society for Sedimentary Geology. pp. 317–333. doi:10.2110/pec.95.04.0317.
Robinson, M.; Dowsett, H.J.; Chandler, M.A. (2008). "Pliocene role in assessing future climate impacts". Eos, Transactions, American Geophysical Union. 89 (49): 501–502. Bibcode:2008EOSTr..89..501R. doi:10.1029/2008eo490001.
Selli, Raimondo (September 1965). "The Pliocene-Pleistocene boundary in Italian marine sections and its relationship to continental stratigraphies". Progress in Oceanography. 4: 67–86. Bibcode:1965PrOce...4...67S. doi:10.1016/0079-6611(65)90041-8.
Potts, R. (2007), Bobe, René; Alemseged, Zeresenay; Behrensmeyer, Anna K. (eds.), "Environmental hypotheses of Pliocene human evolution", Hominin Environments in the East African Pliocene: An Assessment of the Faunal Evidence, Vertebrate Paleobiology and Paleoanthropology Series, Dordrecht: Springer Netherlands, pp. 25–49, doi:10.1007/978-1-4020-3098-7_2, ISBN978-1-4020-3098-7
Krijgsman, W.; Garcés, M.; Langereis, C. G.; Daams, R.; Van Dam, J.; Van Der Meulen, A. J.; Agustí, J.; Cabrera, L. (1996). "A new chronology for the middle to late Miocene continental record in Spain". Earth and Planetary Science Letters. 142 (3–4): 367–380. Bibcode:1996E&PSL.142..367K. doi:10.1016/0012-821X(96)00109-4.
Robinson, M.; Dowsett, H.J.; Chandler, M.A. (2008). "Pliocene role in assessing future climate impacts". Eos, Transactions, American Geophysical Union. 89 (49): 501–502. Bibcode:2008EOSTr..89..501R. doi:10.1029/2008eo490001.
Selli, Raimondo (September 1965). "The Pliocene-Pleistocene boundary in Italian marine sections and its relationship to continental stratigraphies". Progress in Oceanography. 4: 67–86. Bibcode:1965PrOce...4...67S. doi:10.1016/0079-6611(65)90041-8.