†family Cyriacotheriidae Rose and Krause 1982 (pantodont)
Mammalia - Cimolesta - Cyriacotheriidae
Full reference: K. D. Rose and D. W. Krause. 1982. Cyriacotheriidae, A New Family of Early Tertiary Pantodonts From Western North America. Proceedings of the American Philosophical Society 126(1):26-50
Parent taxon: Pantolambdoidea according to C. S. Scott 2010
See also Carroll 1988, McKenna and Bell 1997 and Rose and Krause 1982
Sister taxa: Pantolambdodontidae, Pastoralodontidae, Titanoideidae
Subtaxa: Cyriacotherium Presbytherium
Ecology: ground dwelling herbivore
Distribution:
• Clarkforkian of United States (7: Wyoming collections)
• Paleocene of Canada (7: Alberta, Saskatchewan), United States (8: Wyoming)
Total: 22 collections each including a single occurrence