Mammalia - Tribosphenida - Stagodontidae
Parent taxon: Marsupialiformes according to G. P. Wilson et al. 2016
See also Carneiro and Olivero 2017, Cifelli 1993, Clemens 1979, Davis 2007, Fox and Naylor 2006, Hay 1902, Kielan-Jaworowska et al. 2004, Marsh 1889, McKenna and Bell 1997 and Williamson et al. 2012
Sister taxa: Adelodelphys, Alphadontidae, Anchistodelphys, Arcantiodelphys, Archimetatheria, Asiatherium, Bistius, Dakotadens, Iugomortiferum, Kokopellia, Marsupialia, Pediomyoidea, Polydolopimorphia, Protalphadon, Sinbadelphys, Sparassodonta
Subtaxa: Didelphodon Eobrasilia Eodelphis Fumodelphodon Hoodootherium Pariadens
Type: Stagodon
Ecology: scansorial carnivore-durophage
Distribution:
• Eocene of Brazil (1 collection)
• Cretaceous of Canada (25: Alberta, Saskatchewan), France (1), United States (87: Montana, New Jersey, New Mexico, North Dakota, South Dakota, Utah, Wyoming)
Total: 114 collections including 129 occurrences