Notopalaeognathae
| Notopalaeognathae | |
|---|---|
| |
| Greater rhea ( Rhea americana )
| |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Infraclass: | Palaeognathae |
| Clade: | Notopalaeognathae Yuri et al., 2013 |
| Clades | |
| |
Notopalaeognathae is a clade that contains the order
Neotropical tinamous,[4][5][6][7] and the kiwis are sister to the extinct elephant birds of Madagascar, with kiwis and elephant birds together sister to the cassowaries and emu of New Guinea and Australia.[6] The South American rheas are either sister to all other notopalaeognaths[8] or sister to Novaeratitae.[3] The sister group to Notopalaeognathae is Struthionidae
(the ostrich family).