Neoephemera

Neoephemera is a genus of large squaregill mayflies in the family Neoephemeridae first described by McDunnough (1925).^[1] and containing approximately six described species in Neoephemera.^{[2][3][4][5][6]}

Neoephemera Temporal range: Ypresian PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Ephemeroptera
Family:	Neoephemeridae
Genus:	Neoephemera McDunnough, 1925[1]
Synonyms[2]
Oreianthus Traver, 1931

Species

These six species belong to the genus Neoephemera:

• Neoephemera bicolor McDunnough, 1925^[2][3][4]
• Neoephemera compressa Berner, 1956^[2][3][4]
• Neoephemera maxima (Joly, 1871)^[3][4]
• Neoephemera projecta Zhou & Zheng, 2000^[3][4]
• Neoephemera purpurea (Traver, 1931)^[2][3][4][5]
• Neoephemera youngi Berner, 1953^[2][3][4]

An extinct species, Neoephemera antiqua, has also been assigned to the genus. The species is known only from the type locality in the 51 to 49 million years ago Ypresian Klondike Mountain Formation of northeast Central Washington state.^[7]