Mesotheriidae

Mesotheriidae Temporal range: Late Oligocene–Middle Pleistocene[1] PreꞒ Ꞓ O S D C P T J K Pg N
Mesotherium cristatum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Notoungulata
Suborder:	†Typotheria
Family:	†Mesotheriidae Alston, 1876
Subfamilies & genera[2]
†Fiandraiinae †Fiandraia †Mesotheriinae †Altitypotherium †Caraguatypotherium †Eotypotherium †Eutypotherium †Hypsitherium †Mesotherium †Microtypotherium †Plesiotypotherium †Pseudotypotherium †Typotheriopsis †Trachytheriinae †Trachytherus

Mesotheriidae ("Middle Beasts") is an extinct family of notoungulate mammals known from the Oligocene through the Pleistocene of South America. Mesotheriids were small to medium-sized herbivorous mammals adapted for digging.