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↑ Guillermo Rougier, New specimen of Deltatheroides cretacicus (Metatheria, Deltatheroida) from the Late Cretaceous of Mongolia, BULLETIN OF CARNEGIE MUSEUM OF NATURAL HISTORY 36(DEC 2004):245-266 · SEPTEMBER 2009
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↑ Prevosti,Francisco J.;Analía Forasiepi;Natalia Zimicz(2013).“The Evolution of the Cenozoic Terrestrial Mammalian Predator Guild in South America: Competition or Replacement?”.Journal of Mammalian Evolution20: 3–21.doi:10.1007/s10914-011-9175-9.
↑ Engelman,Russell K.;Croft,Darin A.(2019).“Strangers in a strange land: Ecological dissimilarity to metatherian carnivores may partly explain early colonization of South America by Cyonasua-group procyonids”.Paleobiology45(4): 598–611.doi:10.1017/pab.2019.29.