Mesodma thompsoni Clemens 1964 (multituberculate)

Mammalia - Multituberculata - Neoplagiaulacidae

Synonym: Mesodma garfieldensis Archibald 1982

Belongs to Mesodma according to Clemens 1964

See also Archibald 1982, Clemens and Kielan-Jaworowska 1979, Donohue et al. 2013, Kielan-Jaworowska et al. 2004, Sloan and Van Valen 1965 and Smith and Wilson 2017

Sister taxa: Mesodma ambigua, Mesodma formosa, Mesodma hensleighi, Mesodma pygmaea, Mesodma senecta

Type specimens:

  • Mesodma thompsoni: Its type locality is Lull 2 Quarry (UCMP V-5620), which is in a Maastrichtian terrestrial sandstone in the Lance Formation of Wyoming
  • Mesodma garfieldensis: UCMP 116622, a mandible. Its type locality is Worm Coulee 1, which is in a Puercan coarse channel fill sandstone in the Fort Union Formation of Montana.

Ecology: arboreal omnivore


• Paleocene of Canada (1: Saskatchewan collection), United States (14: Montana, New Mexico, Texas, Wyoming)

• Cretaceous of Canada (7: Alberta, Saskatchewan), United States (35: Montana, North Dakota, South Dakota, Utah, Wyoming)

Total: 57 collections including 58 occurrences

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Specimen images are retrieved through the ePANDDA API.

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