[MM] Alphadon halleyi
Metatherians
DESCRIBER Sahni, 1972
TIME Cretaceous Late
Campanian Maastrichtian
CLASS Mammalia
COHORT Marsupialia
SUPERORDER \"Ameridelphia\"
ORDER Didelphimorphia
FAMILY \"Alphadontidae\"
FOSSILSITE Type Judithian; Musselshell River, Judith River Formation, Montana, US; Egg Mountain, Two Medicine Formation, Montana, US; Kaiparowits Formation, Utah, US
Dinosaur Park Formation, Alberta, Canada; Wind River Basin, Wyoming, US; Big Horn Basin, \"Mesaverde Formation\", Wyoming, US; Lower Hunter Wash, Fruitland Formation - Kirtland Formation, New Mexico, US
Alphadon cf. halleyi Terlingua, Aguja Formation, Texas
INFO Alphadon marshi (Simpson, 1927) > Alphadon attaragos (Lillegraven & McKenna, 1986) > Alphadon clemensi (Eaton, 1993) > Alphadon eatoni (Cifelli & Muizon, 1998) > Alphadon halleyi (Sahni, 1972) > Alphadon jasoni (Storer, 1991) > Alphadon lillegraveni (Eaton, 1993) > Alphadon perexiguus (Cifelli, 1994) > Alphadon sahni (Lillegraven & McKenna, 1986) > Alphadon wilsoni (Lillegraven, 1969) > Alphadon sp. (Fox, 1971, 1976, 1989; Breithaupt, 1982; Wilson, 1983; Standhart, 1986; Fiorillo, 1989; Eaton, 1993, 1999; Hoganson, et al. 1994; Sankey, 1998; Cifelli et al, 1999; Eaton et al., 1999)