(syn. Spilornis Ϯ Crested Serpent Eagle S. cheela) Gr. οφις ophis,  οφεως opheōs  serpent; αετος aetos  eagle; "Circaetus? undulatus.  ...  This sub-genus of Circaetus, which differs in its straighter bill, and shorter wings, may be named Ophaetus in reference to its usual food" (Jerdon 1844).  Var. Ophoaetus.

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 13 December 2018).