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Averianov et al. (2013) A new phylogeny for basal Trechnotheria and Cladotheria and affinities of South American endemic Late Cretaceous mammals Bi et al. (2018) An Early Cretaceous eutherian and the placental–marsupial dichotomy Systema Naturae 2000 Kielan-Jaworowska et al. (2004) Mammals from the Age of Dinosaurs Kielan-Jaworowska et al. (2004 (alt.)) Cladistic Classification McKenna & Bell (1997) Classification of Mammals Above the Species Level

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Last updated: 28 Aug 2026