Allotherians

DESCRIBER    Jensen, 1940
TIME    Cretaceous Late Paleocene
Maastrichtian
CLASS    Mammalia
SUBCLASS    Allotheria
ORDER    Multituberculata
SUBORDER    Cimolodonta
SUPERFAMILY    Ptilodontoidae
FAMILY    Neoplagiaulacidae
FOSSILSITE    Mantua Lentil, Wyoming, United States
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)