Amblypterus

(syn. Eleothreptus Ϯ Sickle-winged Nightjar E. anomalus) Gr. αμβλυς amblus  blunt  < αμβλυνω amblunō  to blunt; -πτερος -pteros  -winged  < πτερον pteron  wing; "AMBLYPTERUS.  ... Alæ truncatæ; remigibus externis sextis fere æqualibus et falcatis; remigibus 2do, 3tia, 4to ad externum pogonium emarginatis, 7mo, 8vo, 9no ad apices elongatis et attenuatis, 10mo abrupte brevi; secondariis brevissimis, rotundatis et ab tertiariis tectis, his longissimis  ... AMBLYPTERUS ANOMALUS" (Gould 1838).  Var. Amplypterus.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2018). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2018). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from www.hbw.com on 14 December 2018).