Prefica From Wikipedia, the free encyclopedia Extinct genus of birds Phylum:ChordataClass:AvesClade:StrisoresGenus:†Prefica PreficaTemporal range: Ypresian PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Kingdom: Animalia Phylum: Chordata Class: Aves Clade: Strisores Genus: †Prefica Species: †P. nivea Binomial name †Prefica niveaOlson, 1987 Prefica is an extinct genus of bird that lived during the Ypresian stage of the Eocene epoch. Prefica nivea is |known from the Green River Formation of Wyoming.[1] 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. Taxon identifiersPrefica Wikidata: Q24188524 EoL: 57240073 GBIF: 4847967 IRMNG: 1419973 Open Tree of Life: 4130566 Paleobiology Database: 356985 This prehistoric bird article is a stub. You can help Wikipedia by expanding it.vte Related Articles