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Prothylacinus
Prothylacinus
is an
extinct
genus
of
South American
metatherian
, that
lived
during the
Early Miocene
.
Distribution
Fossils
of
Prothylacinus
have been found in the
Friasian
Río Frias Formation
of
Chile
and the
Santacrucian
Santa Cruz Formation
of
Argentina
.