| Notostylopidae | |
|---|---|
|   | |
| Skull of Notostylops | |
| Scientific classification   | |
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Mammalia | 
| Order: | † Notoungulata | 
| Suborder: | † Notioprogonia | 
| Family: | † Notostylopidae Ameghino 1897 | 
| Genera | |
| † Boreastylops  | |
Notostylopidae is an extinct family comprising five genera of notoungulate mammals known from the Late Paleocene (Riochican) to Early Oligocene (Tinguirirican) of Argentina, Brazil and Chile in South America [1]
| Notostylopidae | |
|---|---|
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