Referencias:

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• Case, J., Goin, F.M., Woodburne, M., "South American" marsupials in the Late Cretaceous of North America and the Origin of Marsupial Cohorts (2005) Journal of Mammalian Evolution, 12 (3-4), pp. 461-494
• Cifelli, R.L., Early Cretaceous mammal from North America and the evolution of marsupial dental characters (1993) Proceedings National Academy of Sciences, 90, pp. 9413-9416
• Cifelli, R.L., de Muizon, C., Dentition and jaw of Kokopellia juddi, a primitive marsupial or near-marsupial from the medial Cretaceous of Utah (1997) Journal of Mammalian Evolution, 4, pp. 242-258
• Crompton, A.W., The origin of the tribosphenic molar (1971) Early Mammals, Linnaean Socitety Zoological Journal, 50 (SUPPL. 1), pp. 65-87. , D.M. Kermack & K.A. Kermack (eds.) London
• Gelfo, J.N., A new South American mioclaenid (Mammalia: Ungulatomorpha) from the Tertiary of Patagonia, Argentina (2004) Ameghiniana, 43, pp. 475-484
• Goin, F.J., Candela, A.M., New Paleogene marsupials from the Amazonian basin, Southeastern Perú (2004) The Paleogene Mammalian Fauna of Santa Rosa, Amazonian Perú, pp. 15-60. , K. E. Campbell Jr. (Ed.), Natural History Museum of Los Angeles County, Science Series 40, Los Angeles
• Illiger, C., Prodromus systematis mammalium et avium additis terminis zoographicis utriusque classis (1811), Berlin: C. Salfeld; Kemp, K.D., Ward, D.J., (1990) An Illustrated Guide to the British Middle Eocene Vertebrates, p. 59. , David Ward, London
• Linnaeus, C., (1758) Systema Naturae Per Regna Tria Naturae, Secundum Classes, Ordines, Genera, Species, Cum Characteribus, Differentiis, Synonymis, Locis. Vol. 1: Regnum Animale, , Editio decima, reformatea. Stockholm: Laurentii Salvii
• Luo, Z.-X., Cifelli, R.L., Kielan-Jaworowska, Z., Dual origin of tribosphenic mammals (2001) Nature, 409, pp. 53-57
• Luterbacher, H.P., Ali, J.R., Brinkhuis, H., Gradstein, F.M., Hooker, J.J., Monechi, S., Ogg, J.G., Schmitz, B., The Paleogene Period (2004) A Geologic Time Scale, pp. 384-408. , F. Gradstein, J. Ogg, and A. Smith (eds.), Cambridge University Press. Cambridge
• Marshall, L.G., Case, J.A., Woodburne, M.O., Phylogenetic relationships of the families of marsupials (1990) Current Mammalogy 2, pp. 433-505. , H. H. Genoways (ed.), Plenum Press. New York
• Marshall, L.G., Sempere, T., Butler, R.F., Chronostratigraphy of the mammal-bearing Paleocene of South America (1997) Journal South American Earth Sciences, 10 (1), pp. 49-70
• Medina, F.A., Camacho, H.H., Malagnino, E.C., Bioestratigrafía del Cretácio superior-Paleocene marino de la Formación Lefípan, Barranca de los Perros, Río Chubut, Argentina (1990) V. Cong. Arg. Paleont. Y. Bioestrat. Actas, 1, pp. 137-142
• de Muizon, C., Brito, I., Le basin calcaire de Sao Jose de Itaborai (Rio de Janeiro, Bresil): Les relaciones faunique avec le site de Tiupampa (Cochabamba, Bolivie) (1993) Annales De Palaeontologie, 79, pp. 233-269
• de Muizon, C., Cifelli, R.L., The "condylarths" (archaic Ungulata, Mammalia) from the early Palaeocene of Tiupampa (Bolivia): Implictions on the origin of the South American ungulates (2000) Geodiversitas, 22, pp. 47-150
• Pascual, R., Oritz Jaureguizar, E., Prado, J.L., Land Mammals: Paradigm for Cenozic South American Geobiotic Evolution (1996) Contribultions of South America to Vertebrate Paleontology, pp. 265-319. , G. Arratia (ed), Münchner Geowissenschaftliche Abhandlungen A. 30, München
• Rauhut, O.W., Martin, T., Ortiz-Jaureguizar, E., Puerta, P., A Jurassic mammal from South America (2002) Nature, 416, pp. 165-168
• Somoza, R., Cladera, G., Archangelsky, S., Una nueva Tafoflora Paleocena de Chubut Patagonia. Su Edad y Ambiente de depositación (1995) VI Congreso Argentino De Paleontología Y Bioestratigrafía, pp. 265-269. , Trelew. Actas
• Spalletti, L.A., Estuarine and shallow-marine sedimentation in the Upper Cretaceous - Lower Tertiary west-central Patagonian Basin (Argentina) (1996) Geology of Siliciclastic Shelf Seas, , M. de Batist and P. Jacobs (eds.). Geology Society Special Paper 117. London
• Swofford, D.L., (2001) PAUP*. Phylogenetic Analysis Using Parsimony (*and Other Methods), V. 4, , Sinauer, MA
• Szalay, F.S., Phylogenetic relationships of the marsupials (1982) Pylogenie Et Paleobiogeographie, 6, pp. 177-190. , Livre jubilaire en l'honneur de Robert Hoffstetter (E. Buffetaut, ed.). Geobios Mem. Spec
• Wilf, P., Cú neo, N.R., Johnson, K.R., Hicks, J.F., Wing, S.L., Obradovich, J.D., High plant diversity in Eocene South America: Evidence from Patagonia (2003) Science, 300, pp. 122-125

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