Full reference: R. E. Sloan and L. Van Valen. 1965. Cretaceous mammals from Montana. Science 148(3667):220-227
Parent taxon: Cimolodonta according to F.-Y. Mao et al. 2016
See also Clemens and Kielan-Jaworowska 1979, Kielan-Jaworowska et al. 2004, Kielan-Jaworowska and Hurum 2001, Lofgren et al. 2005, McKenna 1975, McKenna and Bell 1997, Sloan and Van Valen 1965 and Williamson et al. 2016
Sister taxa: Boffiidae, Bryceomys, Cedaromys, Cimexomys, Cimolomyidae, Corriebaataridae, Dakotamys, Djadochtatherioidea, Eucosmodontidae, Kogaionidae, Microcosmodontidae, Paracimexomys, Ptilodontoidea, Uzbekbaatar, Viridomys, Yubaatar
Subtaxa: Erythrobaatar Lambdopsalidae Taeniolabididae
Ecology: arboreal herbivore
Distribution:
• Paleocene of Canada (10: Alberta, Saskatchewan collections), China (4), Mongolia (3), United States (44: Colorado, Montana, New Mexico, Utah, Wyoming)
• Cretaceous of China (2), Mongolia (1), United States (4: Montana, South Dakota, Texas, Utah)
Total: 68 collections including 76 occurrences