Phylogenetic systematics and biogeography of the neoephemeridae (Ephemeroptera: Pannota)

A revision of species of the pannote Holarctic and Oriental mayfly family Neoephemeridae is presented. Three genera are recognized in a strictly phylogenetic classification. Potamanthellus [=Neoephemeropsis Ulmer syn. n.] includes P. caenoides (Ulmer) comb. n., P. amabilis (Eaten) [=N. cuaraoensis Dang syn. n.], P. ganges sp, n., P. chinensis (Hsu) [=P. rants (Tiunova and Levanidova) syn. n.], P. edmundsi sp. n., and the Oligocene fossil Potamanthellus rubiensis Lewis. Neoephemera [=Leucorhoenanthus Lestage syn. n.] includes N. maxima (Joly), N. purpurea (Traver), N. youngi Berner, N. bicolor McDunnough, and N. compressa Berner. Ochernova gen. n., includes O. tshernovae (Kazlauskas) comb. n. Taxa are described, illustrated and keyed. Species cladistics and biogeography are presented.