Species list, Checklist of Suborder Pisciforma for Elk Creek (Grayson County, Virginia, USA)

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Checklist for Suborder Pisciforma McCafferty, 1991
and region Elk Creek (Grayson County, Virginia, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	25 36 35	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	25 36 35	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	5 6 8	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	3 4 4	Families Genera Species	Taxom
Order	Ephemeroptera Hyatt & Arms, 1891 Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes	3 4 4	Families Genera Species	Taxom
Suborder	Pisciforma McCafferty, 1991	2 3 3	Families Genera Species	Taxom

List of families for Elk Creek (Grayson County Virginia)
2 Families width 3 Species

Heptageniidae (Needham, 1901)	Flat-Bodied Up-Wings Heptageniidae	2	Species	Taxom
Oligoneuriidae (Ulmer, 1914)	Brushleg Mayflies	1	Species	Taxom

Genera for Elk Creek (Grayson County Virginia)
3 Genera with 3 Species

Species list for Elk Creek (Grayson County Virginia)
3 Species

Heptagenia (Heptagenia) elegantula Eaton, 1885
Isonychia georgiae (McDunnough, 1931)	⇒ Isonychia winkleri Ulmer, 1939
Rhithrogena manifesta (Eaton, 1885)	⇒ Rhithrogena zhiltzovae Sinitshenkova, 1979

Subnodes of Pisciforma with occurrences in Elk Creek (Grayson County Virginia)

Superfamily

2
3
3

Families
Genera
Species

Links, sources and further information

Pisciforma at itis.gov