References for the Rió Pichileufú Biota
Aragón, E., and E.J. Romero. 1984. Geologia, paleoambientes y paleobotanica de yacimientos terciarios del occidente de Rio Negro, Neuquen y Chubut. Noveno Congreso Geologico Argentino, S.C. de Bariloche, Actas 6: 475-507.
Berry, E. W. 1934. Miocene Patagonia. Proceedings of the National Academy of Sciences, USA 20: 280-282.
Berry, E. W. 1935. A fossil Cochlospermum from northern Patagonia. Bulletin of the Torrey Botanical Club 62: 65-67.
Berry, E. W. 1935. The Monimiaceae and a new Laurelia. Botanical Gazette 96: 751-754.
Berry, E. W. 1935. A Tertiary Ginkgo from Patagonia. Torreya 35: 11-13.
Berry, E. W. 1937. Succession of fossil floras in Patagonia. Proceedings of the National Academy of Sciences USA 23: 537-542.
Berry, E. W., 1938. Tertiary flora from Río Pichileufu, Argentina. Geological Society of America, Special Papers 12: 1–149.
Dlussky, G. M., and K. S. Perfilieva. 2003. Paleogene ants of the genus Archimyrmex Cockerell, 1923 (Hymenoptera, Formicidae, Myrmeciinae). Paleontological Journal 37: 40-49.
Florin, R. 1940. Die Heutige und Frühere Verbreitung der Koniferengattung Acmopyle Pilger. Svensk Botanisk Tidskrift 34: 117-140.
Gandolfo, M. A., M. C. Dibbern, and E. J. Romero. 1988. Akania patagonica n. sp. and additional material on Akania americana Romero & Hickey (Akaniaceae), from Paleocene sediments of Patagonia. Bulletin of the Torrey Botanical Club 115: 83-88.
Gómez, R. O., A.M. Báez, and P. Muzzopappa, 2011. A new helmeted frog (Anura: Calyptocephalellidae) from an Eocene subtropical lake in northwestern Patagonia, Argentina. Journal of Vertebrate Paleontology 31(1):50–59.
Gonzalez, C. C., M. A. Gandolfo, M. C. Zamaloa, N. R. Cúneo, P. Wilf, and K. R. Johnson, 2007. Revision of the Protaceae macrofossil record from Patagonia, Argentina. The Botanical Review 73: 235-266.
Hinojosa, L. F., and C. Villagrán. 2005. Did South American mixed paleofloras evolve under thermal equability or in the absence of an effective Andean barrier during the Cenozoic? Palaeogeography, Palaeoclimatology, Palaeoecology 217: 1-23.
Sarzetti, L. 2010. Analisis icnológico de las asociaciones planta-insecto de la tafoflora de Río Pichileufu (Eoceno medio, Río Negro). Ph.D. thesis, Universidad Nacional de Tucumán, San Miguel de Tucumán, Argentina.
Sarzetti, L. C., C. C. Labandeira, and J. F. Genise, 2008. A leafcutter bee trace fossil from the Middle Eocene of Patagonia, Argentina, and a review of megachilid (Hymenoptera) ichnology. Palaeontology 51 (4): 933-941.
Sarzetti, L. C., C. C. Labandeira, J. Muzón, P. Wilf, N. R. Cúneo, K. R. Johnson, and J. F. Genise, 2009. Odonatan Endophytic Oviposition from the Eocene of Patagonia: The Ichnogenus Paleoovoidus and Implications for Behavioral Stasis. Journal of Paleontology 83 (3): 431-447.
Wilf, P. 2012. Rainforest conifers of Eocene Patagonia: attached cones and foliage of the extant southeast Asian and Australasian genus Dacrycarpus (Podocarpaceae). American Journal of Botany 99: 562-584.
Wilf, P., K. R. Johnson, N. R. Cúneo, M. E. Smith, B. S. Singer and M. A. Gandolfo. 2005. Eocene Plant Diversity at Laguna del Hunco and Río Pichileufú, Patagonia, Argentina. The American Naturalist 165: 634-650.
Wilf, P., S. A. Little, A. Iglesias, M. C. Zamaloa, M. A. Gandolfo, N. R. Cúneo, and K. R. Johnson, 2009. Papuacedrus (Cupressaceae) in Eocene Patagonia: a new fossil link to Australasian rainforests. American Journal of Botany 96: 2031-2047.