Prefica

Prefica; Temporal 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 nivea; Olson, 1987

Last updated August 06, 2025

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

↑ 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.

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[Prefica-1] 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.

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