†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
Ecology: arboreal omnivore
Distribution: