Mammalia - Theriamorpha - Leptictidae
Synonym: Diacodontinae Trouessart 1879
Parent taxon: Leptictidae according to O. P. Hay 1930
See also Meehan and Martin 2010, Van Valen 1967 and Velazco and Novacek 2016
Sister taxa: Amphigyion, Asioictops, Blacktops, Didelphodontinae, Eoictops, Gypsonictopinae, Myrmecoboides, Palaeictops, Procerberinae, Prodiacodon, Pseudorhynchocyoninae, Scileptictis, Stenoleptictis
Subtaxa: Acmeodon Hypictops Leptictis Megaleptictis Mesodectes Xenacodon
Type: Leptictis
Ecology: ground dwelling insectivore-carnivore
Distribution:
• Oligocene of United States (8: North Dakota, South Dakota, Wyoming collections)
• Eocene to Oligocene of United States (2: Nebraska, South Dakota)
• Eocene of Spain (1), United States (9: Montana, North Dakota, South Dakota, Texas, Wyoming)
• Paleocene of United States (25: Colorado, Montana, New Mexico, Utah, Wyoming)
Total: 45 collections including 48 occurrences