Eutherians

DESCRIBER    Sahni, 1972
TIME    Cretaceous Late
Campanian Maastrichtian
CLASS    Mammalia
INFRACLASS    Eutheria
MAGNORDER    Epitheria
SUPERORDER    Insectivora
ORDER    Lepticida
FAMILY    Gypsonictopsidae
FOSSILSITE    Foremost Formation, Oldman Formation, Alberta, Canada
Lower Hunter Wash, Fruitland Formation, Kirtland Formation, New Mexico, US
INFO

Gypsonictops hypoconus (Simpson, 1927 ) > Gypsonictops illuminatus (Lillegraven, 1969) > Gypsonictops lewisi (Sahni, 1972) > Gypsonictops clemensi (Rigby and Wolberg, 1987) > Gypsonictops sp. (Clemens, 1973, 1995; Sloan and Russell, 1974; Carpenter, 1979; Clemens et al. 1979; Fox, 1989; mCifelli, 1990; Everle and Lillegraven, 1998; Hunter and Archibald, 2002)