†family Cimolodontidae Marsh 1889 (multituberculate)
Mammalia - Multituberculata - Cimolodontidae
Parent taxon: Ptilodontoidea according to Z. Kielan-Jaworowska and J. H. Hurum 2001
See also Clemens and Kielan-Jaworowska 1979, Kielan-Jaworowska et al. 2004, Marsh 1889 and McKenna and Bell 1997
Sister taxa: Neoliotomus, Neoplagiaulacidae, Ptilodontidae
Subtaxa: Anconodon Cimolodon Liotomus
Ecology: arboreal omnivore
Distribution:
• Paleocene of Canada (7: Alberta collections), France (1), United States (17: Montana, New Mexico, Texas, Wyoming)
• Cretaceous of Canada (17: Alberta, Saskatchewan), United States (92: Alaska, Colorado, Idaho, Montana, New Jersey, New Mexico, North Dakota, South Dakota, Texas, Utah, Wyoming)
Total: 134 collections including 166 occurrences