[MM] Cimolomys gracilis
Allotherians
DESCRIBER Marsh, 1889
TIME Cretaceous Late
Campanian
CLASS Mammalia
SUBCLASS Allotheria
ORDER Multituberculata
SUBORDER Cimolodonta
SUPERFAMILY Incertae Sedis
FAMILY Cimolomyidae
FOSSILSITE
St. Mary River Formation, Scabby Butty, Alberta, Canada [type]
Lance Formation, Type Lance; Hewitts\'s Foresight; Dumbbell Hill, Wyoming, United States
Hell Creek Formation, Hell Creek; Blacktail Creek, Montana, United States
Hell Creek Formation, Eureka Quarry, South Dakota, United States
Scollard Formation, Trochu, Alberta, Canada
Frenchman Formation, Gryde, Saskatchewan, Canada [C. cf. gracilis]
Ravenscrag Formation, Long Fall, Saskatchewan, Canada [C. cf. gracilis]
INFO
Cimolomys gracilis (Marsh, 1889) > Cimolomys clarki (Sahni, 1972) > Cimolomys major (Russell, 1937)[ >> Meniscoessus major ] > Cimolomys milliensis (Eaton, 1993) > Cimolomys trochuus (Lillegraven, 1969) > Cimolomys sp. (Simpson, 1929; Fox, 1971)
Based on isolated upper and lower premolars and molars