†family Sternbergiidae Szalay 1994 (marsupial)
Mammalia - Theriamorpha - Sternbergiidae
Parent taxon: Ameridelphia according to E. V. Oliveira and F. J. Goin 2011
Sister taxa: Derorhynchidae, Didelphimorphia, Marambiotherium, Protodidelphidae
Subtaxa: Carolopaulacoutoia Didelphopsis
Ecology: scansorial omnivore
Distribution:
• Miocene of United States (1: California collection)
• Tinguirirican of Argentina (1)
• Eocene of Argentina (2), Brazil (1)
• Paleocene of Argentina (1)
Total: 6 collections including 8 occurrences