Eurypygiformes
| Eurypygiformes Temporal range:  | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Aves | 
| Clade: | Eurypygimorphae | 
| Order: | Eurypygiformes Hackett et al., 2008 | 
| Families | |
Eurypygiformes /jʊərɪˈpɪdʒɪfɔːrmiːz/ is an order formed by the kagus, comprising two species in the family Rhynochetidae endemic to New Caledonia, and the sunbittern (Eurypyga helias) from the tropical regions of the Americas. Its closest relatives appear to be the tropicbirds of the tropical Atlantic, Indian, and Pacific oceans.