Casuariiformes
| Casuariiformes Temporal range: Possible Paleocene appearance. | |
|---|---|
 | |
| Southern cassowary | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Infraclass: | Palaeognathae |
| Clade: | Novaeratitae |
| Order: | Casuariiformes (Sclater, 1880) Forbes, 1884 |
| Families | |
| Diversity | |
| 1 family, 4 genera (including 2 extinct), 9 species (including 5 extinct) | |
| Synonyms | |
| |
The Casuariiformes /kæsjuːˈæri.ɪfɔːrmiːz/ is an order of large flightless birds that has four surviving members: the three species of cassowary, and the only remaining species of emu. All four are placed in a single family, Casuariidae.
All four living members are native to Australia-New Guinea, but some possible extinct taxa occurred in other landmasses.