(Psittacidae; Ϯ Great-billed Parrot T. megalorynchos) Gr. τανυω tanuō  to stretch out  < τεινω teinō  to stretch; γναθος gnathos  jaw; "Genus XXII. Tanygnathus *) Wagl.  Schnabelsittich.  Rostrum Sittaces, maxilla maxima, admodum arcuata, acutissima; cauda longa, latiuscula, cuneata (oculi perquam parvi).  Reliqua Sittaces.   Australiae (an quoque Asiae?) incolae; vitae ratio ignota.   Species: 1. T. macrorhynchus. — 2. T. marginatus.   ...   *Tανυω extendo, γναθος maxilla." (Wagler 1832); "Tanygnathus Wagler, Abh. K. Bayer. Acad. Wiss., Math.-Phys. Kl., 1, 1832, p. 501. Type, by subsequent designation, T. macrorhynchus (L.) Wagl., Pl. enlum., no. 713 = Psittacus megalorynchos Boddaert. (Gray, List Gen. Bds., 1840, p. 52.)" (Peters 1937, III, 238).
Synon. Erythrostomus.

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 12 December 2018).