†subfamily Preficinae Olson 1987 (oilbird)
Aves - Caprimulgiformes - Steatornithidae
Full reference: S. L. Olson. 1987. An early Eocene oilbird from the Green River Formation of Wyoming (Caprimulgiformes: Steatornithidae). Documents des Laboratoires de Géologie de la Faculté des Sciences de Lyon 99:57-69
Parent taxon: Steatornithidae according to G. Mayr 1999
See also Olson 1987
Sister taxa: Steatornis, Steatornithinae
Subtaxa: none
Ecology: volant frugivore
Distribution: there are no occurrences of Preficinae in the database