Rheidae

Rheids
Temporal range: PaleoceneHolocene
Greater rhea, Rhea americana
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Infraclass: Palaeognathae
Clade: Notopalaeognathae
Order: Rheiformes
Family: Rheidae
Bonaparte, 1853
Type species
Rhea americana
Genera
Synonyms
  • Rheinae Bonaparte 1849

Rheidae /ˈrɪd/ is a family of flightless ratite birds which first appeared in the Paleocene. It is today represented by the sole living genus Rhea, but also contains several extinct genera.