Acanthylops

(syn. Cypseloides Ϯ Sooty Swift C. fumigatus) Gr. αχαντιον akhantion  little thistle (cf. genus Acanthylis Boie, 1826, swift); ωψ ōps, ωπος ōpos  appearance; "ACANTHYLOPS, Bp. 1857.  Pallenis, Reich. 1850, nec Lap. 1836.  Hemiprocne, Cypseloides, Senex, Streub. 1848.  Cypseloides, a, Sclat. 1866.  Reich. S. A. t. 87. f. .   782. fumigatus, Natt.  783. senex, Tem. P. C. 397.  Temminckii, Streub." (G. Gray 1869).  Achantylops Bonaparte, 1857, is a nomen nudum.  Var. Achantylops.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from www.hbw.com on 19 January 2019).