| Prefica Temporal range:
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|---|---|
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Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Clade: | Strisores |
| Genus: | †Prefica |
| Species: | †P. nivea
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| Binomial name | |
| †Prefica nivea Olson, 1987
| |
Prefica is an extinct genus of bird that lived during the Ypresian stage of the Eocene epoch.
Distribution
Prefica nivea is |known from the Green River Formation of Wyoming.1
References
References
- Olson, Storrs L. (1987). "An Early Oilbird from the Green River Formation of Wyoming (Caprimulgiformes: Steatornithidae)" (PDF). Documents des Laboratoires de Géologie, Lyon. 99: 57–69.