[MM] Mesodma sp.
Allotherians
DESCRIBER Clemens, 1963; Fox, 1971; Novacek & Clemens, 1977; Armstrong-Ziegler, 1978; Archibald, 1982 and others
TIME Cretaceous Late Paleocene
Campanian Maastrichtian
CLASS Mammalia
SUBCLASS Allotheria
ORDER Multituberculata
SUBORDER Cimolodonta
SUPERFAMILY Ptilodontoidae
FAMILY Neoplagiaulacidae
FOSSILSITE
Milk River Formation, Verdigris Coullee,Alberta, Canada
Wahweap Formation, Wahweap, Utah, United States [?Mesodma sp.]
Wahweap Formation, Campbell Canyon, Utah, United States [?Mesodma sp.]
Musak Formation, Musak, Utah, United States [?Mesodma sp.]
Kaiparowits Formation, Kaiparowits Plateau; Paunsaugunt Platau, Utah, United States
Fruitland Formation, Kirtland Formation, New Mexico, United States
Mesaverde Formation, Wind River Basin; Big Horn Basin, Wyoming, United States
Judith River Formation, Musselshell River, Montana United States
Hell Creek Formation, Claw Butte; Hell Creek; Muddy Tork, Montana, United States
Ravenscrag Formation, Long Fall, Saskatchewan, Canada
Hell Creek Formation, Claw Butte, Montana, United States [?Mesodma sp]
Cedar Mountain Formation, Mussentuchit Local Fauna, Utah, United States [?Mesodma sp]
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)