†order Deltatheroida Kielan-Jaworowska 1982 (metatherian)
Parent taxon: Metatheria according to S. Bi et al. 2015
See also Archibald and Averianov 2005, Averianov 1997, Beck et al. 2008, Cifelli 1993, Davis et al. 2008, Davis and Cifelli 2011 and Kielan-Jaworowska et al. 2004
Sister taxa: Anatoliadelphyidae, Archaeonothos, Asiadelphia, Fieratherium, Jaskhadelphyidae, Marsupialiformes, Mayulestidae, Pappotheriidae, Pucadelphyda
Subtaxa: Deltatheridiidae Deltatheroides Khuduklestes
Ecology: scansorial omnivore
Distribution:
• Paleocene of China (1 collection)
• Cretaceous of Canada (1: Saskatchewan), China (1), Kazakhstan (1), Mongolia (7), United States (10: Montana, Oklahoma, Texas, Utah, Wyoming), Uzbekistan (11)
Total: 32 collections including 41 occurrences