(syn. Lalage Ϯ Long-tailed Triller L. leucopyga) Gr. συμμορφος summorphos  of the same shape as (i.e. moderate) < συν sun, συμ sum  together; μορφη morphē  shape, appearance; "Family ———?  Genus SYMMORPHUSBill rather short, swollen, distended at the base, upper mandible slightly notched at the tip; culmen and commissure somewhat arched; nostrils basal, oval, and nearly hidden by the feathers of the forehead; wings moderate, first quill half the length of the second, third, fourth and fifth equal, and longest; tail moderate, the outer feathers on each side a fourth shorter than the others, which are nearly equal in length; tarsi and feet moderate; the former scutellated anteriorly; hind toe and claw shorter than the middle; lateral toes unequal, the inner one the shortest.   SYMMORPHUS LEUCOPYGUS." (Gould 1838); "Symmorphus Gould, 1838, Syn. Birds Austral., pt. 4, app., p. 3. Type, by monotypy, Symmorphus leucopygus Gould." (Mayr in Peters 1960, IX, 196).

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 18 December 2018).