Mesodma Jepsen 1940 (multituberculate)

Mammalia - Multituberculata - Neoplagiaulacidae

Full reference: G. L. Jepsen. 1940. Paleocene faunas of the Polecat Bench Formation, Park County, Wyoming. Proceedings of the American Philosophical Society 83(2):217-341

Parent taxon: Neoplagiaulacidae according to Z. Kielan-Jaworowska and J. H. Hurum 2001

See also Clemens and Kielan-Jaworowska 1979, Donohue et al. 2013, Jepsen 1940, Kielan-Jaworowska et al. 2004, Lillegraven and McKenna 1986, McKenna and Bell 1997, Sloan and Van Valen 1965 and Wilson et al. 2010

Sister taxa: Cernaysia, Ectypodus, Krauseia, Mesodmops, Mimetodon, Neoplagiaulax, Nidimys, Parectypodus, Parikimys, Xanclomys, Xyronomys

Subtaxa: Mesodma ambigua Mesodma formosa Mesodma hensleighi Mesodma primaeva Mesodma pygmaea Mesodma senecta Mesodma thompsoni

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Type: Mesodma ambigua

Ecology: arboreal omnivore

Distribution:

• Paleocene of Canada (12: Alberta, Saskatchewan collections), United States (62: California, Colorado, Montana, New Mexico, North Dakota, Texas, Wyoming)

• Cretaceous of Canada (20: Alberta, Saskatchewan), Mexico (1), United States (85: Colorado, Montana, New Mexico, North Dakota, South Dakota, Texas, Utah, Wyoming)

Total: 180 collections including 254 occurrences

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