†subfamily Eucosmodontinae Jepsen 1940 (multituberculate)

Mammalia - Multituberculata - Eucosmodontidae

Parent taxon: Eucosmodontidae according to D. L. Lofgren et al. 2005

See also Clemens and Kielan-Jaworowska 1979 and Wood and Ormsbee 1954

Sister taxa: Clemensodon, Eucosmodon

Subtaxa: Stygimys

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Ecology: arboreal omnivore

Distribution:

• Paleocene of Canada (9: Alberta, Saskatchewan collections), United States (49: Montana, Texas, Utah, Wyoming)

• Cretaceous of Mexico (1)

Total: 59 collections including 78 occurrences

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