Halcyornis
| Halcyornis Temporal range: | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | †Halcyornithiformes |
| Family: | †Halcyornithidae |
| Genus: | †Halcyornis Owen, 1846 |
| Type species | |
| †Larus toliapicus (König 1825) | |
Halcyornis is an extinct genus of halcyornithid bird. It is known from a single neurocranium from the Early Eocene London Clay of southeastern England, and contains a single species, Halcyornis toliapicus. The type specimen of Halcyornis was the first fossil bird to be scientifically named.