Neoephemera

Neoephemera is a genus of large squaregill mayflies in the family Neoephemeridae first described by McDunnough. and containing approximately six described species in Neoephemera.

Species

These six species belong to the genus Neoephemera:

An extinct species, Neoephemera antiqua, has also been assigned to the genus. The species is known only from the type [locality |type locality] in the Ypresian Klondike [Mountain Formation] of northeast Central Washington state.