Metatherians

DESCRIBER    Fox, 1979
TIME    Cretaceous Late
Campanian Maastrichtian
CLASS    Mammalia
COHORT    Marsupialia
SUPERORDER   ’Ameridelphia’
ORDER    Didelphimorphia
FAMILY   ’Alphadontidae’
FOSSILSITE    

Type Judithian; Hill County, Judith River Formation, Montana, US
Foremost Formation, Oldman Formation, Dinosaur Park Formation, Alberta, Canada
Wind River Basin, Wyoming, US
Bighorn Basin \\\"Mesaverde Formation\\\" Wyoming, US
Williams Fork Formation, Colorado, US

Turgidodon cf. russelli

Paunsaungunt Plateau ?Kaiparowits Formation, Utah, US
INFO

Turgidodon praesagus (Russel, 1952) > Turgidodon lillegraveni (Cifelli, 1990) > Turgidodon madseni (Cifelli, 1990) > Turgidodon parapraesagus (Rigby & Wolberg, 1987) > Turgidodon petaminis (Storer, 1991) > Turgidodon rhaister (Clemens, 1966) > Turgidodon russelli (Fox, 1979) > Turgidodon sp. (Cifelli, 1990; Eaton, 1993)