(Hirundinidae; Ϯ Eurasian Crag Martin P. rupestris) Gr. πτυον ptuon  fan   < πτυσσω ptussō  to fold; L. progne  swallow  < Gr. myth. Progne, Procne or Prokne, metamorphosed into a swallow (see Progne). Reichenbach's 1850, plate LXXXVII, labelled Hirundineae: Hirundininae et Cypselinae, shows the shallowly forked, fan-shaped spread tail of the Eurasian Crag Martin; "Ptyonoprogne Reichenbach, 1850, Av. Syst. Nat., pl. 87, fig. [6]. Generic details only; species added, Parzudaki, 1857, Cat. Ois. Europe (1856), p. 8. Type, Hirundo rupestris Scopoli." (Peters 1960, IX, 101).
Var. Ptyoprocne, Ptionoprogne.
Synon. Biblis, Chelidonia, Krimnochelidon.

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 on 13 December 2018).