Family Leuctridae Klapálek, 1905
Subfamily Leuctrinae Klapálek, 1905Calileuctra Shepard et Baumann, 1995271. dobryi Shepard et Baumann, 1995. Nearctic (USA).272. ephemera Shepard et Baumann, 1995. Nearctic (USA).Despaxia Ricker, 1943273. augusta (Banks, 1907). Nearctic (Canada, USA).Euleuctra Illies, 1966274. geniculata (Stephens, ...