Metatherians

DESCRIBER    Lillegraven, 1972; Clemens et al., 1979; Fox, 1979, 1989; Lillegraven & McKenna, 1986; Hunter et al, 1997; Peng, 1997; Hunter & Archibald, 2002
TIME    Cretaceous Late
Campanian Maastrichtian
CLASS    Mammalia
COHORT    Marsupialia
SUPERORDER  ’Ameridelphia’
ORDER    Didelphimorphia
FAMILY    Pediomyidae
FOSSILSITE    

El Gallo Formation Baja California, El Gallo, Mexico [Campanian]
Unknown unit, Cedar Canyon, Utah, US, [?Campanian]
Foremost Formation, Oldman Formation, Alberta Canada
Dinosaur Park Formation, Alberta, Canada
Bighorn Basin, \\\"Mesaverde Formation\\\" Wyoming, US
Hell Creek; Claw Butte; Blacktail Creek, Powderville, Muddy Tork, Hell Creek Formation, Montana, US
Woonded Knee, Frenchman Formation, Saskatchewan, Canada
North Horn Formation, Utah, US

cf. ’Pediomys’ sp.

Iron Lightning, Fox Hills Formation, South Dakota, US
INFO

’Pediomys’ elegans  (Marsh, 1889) > ’Pediomys’ clemensi  (Sahni, 1972) > ’Pediomys’ cooki  (Clemens, 1966) > ’Pediomys’ exiguus  (Fox, 1971) > ’Pediomys’ fassetti  (Rigby & Wolberg, 1987) > ’Pediomys’ floreance (Clemens, 1966) > ’Pediomys’ hatcheri  (Osborn, 1898) > ’Pediomys’ krejcii  (Clemens, 1966) > ’Pediomys’ prokrejcii  (Fox, 1979)  ’Pediomys’ sp. (Lillegraven, 1972; Clemens et al., 1979; Fox, 1979, 1989; Lillegraven & McKenna, 1986; Hunter et al, 1997; Peng, 1997; Hunter & Archibald, 2002)