Eutherians

DESCRIBER    Sloan and van Valen, 1965
TIME    Early Paleoceen
Cretaceous Late
Campanian Maastrichtian
CLASS    Mammalia
INFRACLASS    Eutheria
MAGNORDER    Epitheria
SUPERORDER    Ferae
ORDER    Cimolesta
FAMILY    Cimolestidae
FOSSILSITE    Ravenscrag Formation, Saskatchewan, Canada
Tullock Formation, Montana, US
INFO

Type species by monotype and a species left in open nomenclature (Johnston & Fox, 1984)

Procerberus formicarum is believed to be an Paleocene element of a mixed assemblage.  Its inclusion as a Mesozoic mammal is based  on the occurence of Procerberus cf . in what is interpreted as being the Cretaceous part of the Ravenscrag Formation