Allotherians

DESCRIBER    Sloan & Van Valen, 1965
TIME    Paleocene
CLASS    Mammalia
SUBCLASS    Allotheria
ORDER    Multituberculata
SUBORDER    Cimolodonta
SUPERFAMILY    Incertae Sedis
FAMILY    Eucosmodontidae
FOSSILSITE    Hell Creek Formation, Bug Creek, Montana, United States
INFO

Stygimys kuszmauli (Sloan & Van Valen, 1965 ) [aka Catopsalis foliatus (Cope 1882) Cimexomys gratus (Jepsen, 1930) > Eucosmodon gratus (Jepsen, 1930) > Eucosmodon kuszmauli > Stygimys gratus.] Stygimys jepseni (Simpson,1935; Sloan and Van Valen in 1965) [ aka Eucosmodon sparsus (Simpson 1937); Eucosmodon jepseni (Simpson 1935); Parectypodus jepseni (Simpson 1935)] > Stygimys cupressus (Fox, 1989) > Stygimys camptorhiza (Johnston and Fox, 1984) >  Stygimys sp.