<==o Metatheria (metatheres; pussieläimet) |-- †Holoclemensiidae |--o †Deltatheroida | |-- †Deltatheridiidae | `?- †Deltatheroididae [jr. synon. to Deltatheriidae??] `--o “Neometatheria” |?- †Herpetotheriidae Trouessant, 1879 [Didelphidae: Herpetotheriinae Trouessant, 1879 sensu McKenna & Bell, 1997] |?-o †Boreometatheria (aasialaiset ja pohjois-amerikkalaiset pussieläimet) | |?- †Adinodontinae Hershkovitz, 1995 | |-- †Iqualadelphis | `--+-- †Asiatheriidae | `--+-- †Iugomortiferum | `--+-- †Alphadontidae | |-- †Pediomyidae | `--+-- †Pariadens | `-- †Stagodontidae `--o Notometatheria (etelä-amerikkalaiset ja australialaiset pussieläimet) |?- †Protodidelphidae [Didelphidae??] |--o †Sparassodonta [Borhyaenoidea] (marsupial hyaenas; pussihyeenat) | |-- †Sallacyon | `--+-- †Hathliacynidae | `--+-- †Borhyaenidae (pussihyeenamaiset) | |-- †Proborhyaenidae | |-- †Prothylacinidae | `-- †Thylacosmilidae ("tikarihammaspussikissat") |?-o Paucituberculata | |--o Caenolestoidea | | |-- †Sternbergiidae | | |-- Caenolestidae (pussipäästäiset) | | |-- †Palaeothentidae | | `-- †Abderitidae | |--o †Polydolopoidea | | |-- †Sillustaniidae | | |-- †Polydolopidae (antarktiksen pussipäästäiset) | | |-- †Prepidolopidae | | `-- †Bonabartheriidae | |--o †Simpsonitheria | | |?- †Gashterniidae | | `--o †Argyrolagoidea [Groeberida] | | |?- †Argyrolagidae | | |-- †Patagonidae | | `-- †Groeberiidae | `--o †Caroloameghinioidea | |-- †Glasbiidae | `-- †Caroloameghiidae |?- †Paradectidae `--+-- †Mayulestidae |-- †Hondadelphydae `--+-- †Pucadelphys `--+-- †Andinodelphys `--o Marsupialia (marsupials, living metatheres; pussieläimet) |--o Didelphioidea (South American opossums) | |?- †Derorhynchidae [Didelphidae??] | |?- †Prepidolophidae [Didelphidae??] | `-- Didelphidae (opossumit) `-- Australidelphia (Australian marsupials; australian pussieläimet)
Reference(s):
- Rougier, G. W., Wible, J. R. & Novacek, M. J., 1998: Implications of Deltatheridium speciments for early marsupial history.
–Nature: Vol. 396, 3 December, pp. 459-463 - McKenna, M. C. & Bell, S. K., (eds.) 1997: Classification of mammals – above the species level.
–Columbia University Press, New York, 1997, xii-631