(Hirundinidae; Ϯ Brown-bellied Swallow O. murina) Gr. ορος oros, ορεος oreos  mountain (i.e. Ecuadorean Andes); χελιδων khelidōn, χελιδονος khelidonos  swallow; "Orochelidon , new genus.   Differing from Atticora, Neochelidon and Notiochelidon in having the subbasal phalanx of middle toe entirely free from the outer toe; from Diplochelidon in having the tail much less than two-thirds as long as wing, and forked for less than one-fourth its length (nearly even in one species), and nasal fossæ occupying at least basal half of maxilla.   Type, Petrochelidon murina Cassin (= Hirundo cinerea Gmelin?)   ...    Oρος, a mountain; χελιδων, a swallow." (Ridgway 1903).
Synon. Haplochelidon.

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).