Metatherians

DESCRIBER    Clemens, 1966
TIME    Cretaceous Late
Campanian Maastrichtian
CLASS    Mammalia
COHORT    Marsupialia
SUPERORDER   ’Ameridelphia’
ORDER    Didelphimorphia
FAMILY    Pediomyidae
FOSSILSITE    

Type Lance, Lance Formation, Wyoming, US
Hell Creek; Claw Butte; Blacktail Creek, Hell Creek Formation, Montana, US
Joe Painter Quarry, Hell Creek Formation, South Dakota, US
Trochu, Scollard Formation, Alberta, Canada
Gryde, Frenchman Formation, Saskatchewan, Canada

’Pediomys’ cf. krejcii

Scabby Butte, St. Mary River Formation, Alberta, Canada
Greasewood Creek, Lance Formation, Wyoming, US
Blacktail Creek; Muddy Tork, Hell Creek Formation, Montana, US
Red Owl, 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)