Proterotherium

Proterotherium
Temporal range: Late Miocene (Huayquerian)
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Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Litopterna
Family: Proterotheriidae
Subfamily: Proterotheriinae
Genus: Proterotherium
Ameghino, 1883
Type species
Proterotherium cervioides
Ameghino, 1883

Proterotherium (meaning "first beast") is an extinct genus of litoptern mammal of the family Proterotheriidae that lived during the Late Miocene of Argentina and Chile. Fossils of this genus have been found in the Ituzaingó Formation of Argentina, and the Galera Formation of Chile.