[MM] Mesodma primaeva
Allotherians
DESCRIBER Lambe, 1902
TIME Cretaceous Late Paleocene
Campanian Maastrichtian
CLASS Mammalia
SUBCLASS Allotheria
ORDER Multituberculata
SUBORDER Cimolodonta
SUPERFAMILY Ptilodontoidae
FAMILY Neoplagiaulacidae
FOSSILSITE Judith River Formation, Type Judithian, Hill County, Montana, United States
Dinosaur Park Formation, Alberta, Canada
Mesaverde Formation, Wind River Basin, Wyoming, United States
Foremost Formation; Oldman Formation, Alberta, Canada [Mesodma cf primaeva]
FALL UNDER Mesodma ambigua
INFO
Mesodma ambigua (Jensen, 1940 ) > Mesodma formosa (Marsh, 1889 ) > Mesodma garfieldensis (Archibald, 1982) > Mesodma hensleighi (Lillegraven, 1969) > Mesodma primaeva (Lambe, 1902 ) > Mesodma senecta (Fox, 1971) > Mesodma thompsoni (Clemens, 1963) > Mesodma sp. (Clemens, 1963; Fox, 1971; Novacek & Clemens, 1977; Armstrong-Ziegler, 1978; Archibald, 1982 and others)