Mammalia - Sparassodonta - Proborhyaenidae

Full reference: E. S. Riggs. 1933. Preliminary description of a new marsupial sabertooth fom the Pliocene of Argentina. Geological Series of Field Museum of Natural History 6:61-66

Parent taxon: Proborhyaenidae according to R. K. Engelman et al. 2020

See also Riggs 1933

Sister taxa: Arminiheringia, Callistoe, Paraborhyaena, Proborhyaena

Subtaxa: Eomakhaira

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Distribution: found only at Cachapoal (Oligocene of Chile)

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