SYNONYMY AND VALID NAME OF THE FAMILIES VIETNAMELLIDAE AND AUSTREMERELLIDAE (EPHEMEROPTERA: EPHEMERELLOIDEA)

摘要: Tshernova (1972) established the genus Vietnamella for a new species of Asian Ephemerellidae, thani . Allen (1980), with little discussion, placed as subgenus Cincticostella Allen, 1971, in tribe Ephemerellini. Later, (1984), somewhat more discussion nymphal characters, particular gills, admitted that placement had been incorrect. He subtribe Ephemerellini, Vietnamellae, Vietna