Metatherians

DESCRIBER    Marsh, 1889
TIME    Cretaceous Late
Campanian Maastrichtian
CLASS    Mammalia
COHORT    Marsupialia
SUPERORDER  ’Ameridelphia’
ORDER    Didelphimorphia
FAMILY    Pediomyidae
FOSSILSITE    

Type Lance; Hewitt\'s Foresight, Lance Formation, Wyoming, US
Hell Creek; Claw Butte; Blacktail Creek, Hell Creek Formation, Montana, US
Eureka Quarry; Joe Painter Quarry, Hell Creek Formation, South Dakota, US
Trochu, Scollard Formation, Alberta, Canada
Wounded Knee; Gryde, Frenchman Formation, Saskatchewan, Canada
Long Fall, Ravenscrag Formation, Saskatchewan, Canada
Colville River, Prince Creek Formation, Alaska, US

’Pediomys’ cf. elegans

Dinosaur Park Formation, Alberta, Canada
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)