Eocypselus
| Eocypselus Temporal range: | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Clade: | Strisores |
| Order: | Apodiformes |
| Family: | †Eocypselidae |
| Genus: | †Eocypselus Harrison, 1984 |
| Type species | |
| †Eocypselus vincenti Harrison, 1984 | |
| Other species | |
| |
Eocypselus is a genus of prehistoric birds related to modern hummingbirds and swifts. Five species of Eocypselus are currently known. Compared with modern apodiforms, it may have been a better percher with shorter wing feathers, and it might have been nocturnal.