(syn. Lalage Ϯ White-shouldered Triller L. sueurii) Gr. περισσος perissos wonderful; genus Lalage Boie, 1826, triller; "PERISSOLALAGE, new genus.3 Generic characters.—Similar to Lalage Boie, but bill, in both vertical and horizontal aspects, longer and relatively more slender (more turdine); culmen less conspicuously curved, and more sharpely ridged; tail decidedly longer; lower tail-coverts much shorter, covering only about basal one-third of rectrices; spurious (first) primary relatively as well as actually much shorter and narrower; third and fourth (counting from outermost) primaries longest, the second shorter, equal to the fifth and very much longer than the sixth. Type.—Perissolalage chalepa, new species. ... 3 From περισσος, mirabilis; and Lalage (λαλαγη, loquacitas)." (Oberholser 1917); "Perissolalage Oberholser, 1917, Proc. U. S. Nat. Mus., 54, p. 182. Type, by monotypy, Perissolalage chalepa Oberholser = Lalage sueurii sueurii Vieillot." (Mayr in Peters 1960, IX, 196).