†superfamily Pantolambdoidea Cope 1883 (pantodont)
Parent taxon: Pantodonta according to C. S. Scott 2010
See also McKenna and Bell 1997, Rose and Krause 1982 and Simons 1960
Sister taxa: Alcidedorbignyidae, Archaeolambdidae, Barylambdidae, Bemalambdidae, Coryphodontidae, Coryphodontoidea, Crustulus, Harpyodidae, Huananius, Pantolambdidae, Plethorodontidae, Wangliidae
Subtaxa: Cyriacotheriidae Pantolambdodontidae Pastoralodontidae Titanoideidae
Ecology: ground dwelling herbivore
Distribution:
• Eocene of China (6 collections), Mongolia (3)
• Clarkforkian of United States (18: Colorado, Montana, Wyoming)
• Paleocene of Canada (11: Alberta, Saskatchewan), China (20), Mongolia (3), Norway (1), United States (30: Montana, North Dakota, Texas, Wyoming)
Total: 92 collections including 102 occurrences