Classification of Forasiepi 2009

Fm. †Proborhyaenidae Ameghino 1897
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Invalid names: Arminiheringiidae Ameghino 1902 [synonym]
Subor. †Sparassodonta Ameghino 1894
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Fm. †Hondadelphidae Marshall et al. 1989
G. †Stylocynus Mercerat 1917
Metatheria Huxley 1880 [metatherian]
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Fm. †Mayulestidae de Muizon 1994
Or. †Sparassodonta Ameghino 1894
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Superfm. †Borhyaenoidea Ameghino 1894
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Fm. †Borhyaenidae Savage 1951