Mammalia - Tribosphenida - Peradectidae
Parent taxon: Marsupialia according to G. P. Wilson et al. 2016
See also Horovitz et al. 2009, Kielan-Jaworowska et al. 2004, Korth 1994, Korth et al. 2022, Oliveira and Goin 2011, Rose et al. 2012 and Williamson et al. 2012
Sister taxa: Marsupicarnivora, Macrotarsi, Leptodactyla, Phalangistadae
Subtaxa: Armintodelphys Caroloameghiniinae Maastrichtidelphys Mimoperadectes Peradectes Peradectinae
Ecology: scansorial omnivore
Distribution:
• Miocene of Thailand (1 collection)
• Arikareean of United States (4: Montana, Nebraska)
• Oligocene of Canada (2: Saskatchewan), China (1), United States (9: Colorado, Montana, Nebraska, Wyoming)
• Tinguirirican of Argentina (1)
• Eocene to Oligocene of United States (1: Nebraska)
• Eocene of Argentina (9), Belgium (1), Brazil (1), Canada (3: Saskatchewan), France (5), India (1), the United Kingdom (2), United States (130: California, Colorado, Mississippi, Montana, Nebraska, North Dakota, Utah, Virginia, Wyoming)
• Clarkforkian of United States (10: Colorado, Montana, Wyoming)
• Paleocene to Eocene of Peru (2), United States (1: Wyoming)
• Paleocene of Bolivia (1), Canada (7: Alberta, Saskatchewan), United States (30: California, Colorado, Montana, New Mexico, North Dakota, Texas, Wyoming)
• Cretaceous of Belgium (1), Canada (4: Alberta), United States (3: South Dakota, Utah, Wyoming)
Total: 230 collections including 250 occurrences