This taxon is considered nomen dubium, species not entered
of the valid taxon Avialae
according to the Paleobiology Database.
See the page for Avialae →
Bibliography
Original description
C. J. O. Harrison and C. A. Walker. 1973. Wyleyia: a new bird humerus from the Lower Cretaceous of England. Palaeontology 16(4):721-728