| Dynamopterus(noun, geohistory, bird, oligocene) |
| Elaphrocnemus(noun, geohistory, bird, oligocene) |
| Eoanseranas(noun, geohistory, bird, oligocene) |
| Eurotrochilus(noun, geohistory, bird, oligocene) |
| Geranopterus(noun, geohistory, bird, oligocene) |
| Goliathia(noun, geohistory, bird, oligocene) |
| Hoazinavis(noun, geohistory, bird, oligocene) |
| Hokkaidornis(noun, geohistory, bird, oligocene) |
| Jamna(noun, geohistory, bird, oligocene) |
| Kairuku(noun, geohistory, bird, oligocene) |
| Kairuku grebneffi(expression, geohistory, bird, oligocene) |
| Korora(noun, geohistory, bird, oligocene) |
| Manu(noun, geohistory, bird, oligocene) |
| Palaeeudyptes(noun, geohistory, bird, oligocene) |
| Palaeeudyptes antarcticus(expression, geohistory, bird, oligocene) |
| Palaelodus(noun, geohistory, bird, oligocene) |
| Palaelodus pledgei(expression, geohistory, bird, oligocene) |
| Palaelodus wilsoni(expression, geohistory, bird, oligocene) |
| Palaeochenoides(noun, geohistory, bird, oligocene) |
| Palaeoephippiorhynchus(noun, geohistory, bird, oligocene) |