Species list, Checklist of Superfamily Heptagenioidea for Helton Creek (Ashe County, North Carolina, USA)

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Checklist for Superfamily Heptagenioidea Needham, 1901
and region Helton Creek (Ashe County, North Carolina, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	8 10 6	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	8 10 6	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	3 5 2	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	3 5 2	Families Genera Species	Taxom
Order	Ephemeroptera Hyatt & Arms, 1891 Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes	3 5 2	Families Genera Species	Taxom
Suborder	Pisciforma McCafferty, 1991	2 4 2	Families Genera Species	Taxom
Superfamily	Heptagenioidea Needham, 1901	2 4 2	Families Genera Species	Taxom

List of families for Helton Creek
2 Families width 2 Species

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

Genera for Helton Creek
4 Genera with 2 Species

Species list for Helton Creek
2 Species

Epeorus vitreus Walker, 1853	Cream variant
Isonychia similis (Traver, 1932)	⇒ Isonychia winkleri Ulmer, 1939

Subnodes of Heptagenioidea with occurrences in Helton Creek

Family	Heptageniidae Needham, 1901 Flat-Bodied Up-Wings Heptageniidae, Flat-headed mayflies, Flatheaded Mayflies, Stream mayflies, stream mayfly	3 1	Genera Species	Taxom
Family	Oligoneuriidae ♰ Ulmer, 1914 Brushleg Mayflies, Bush legged mayflies	1 1	Genus Species	Taxom

Links, sources and further information

Heptagenioidea at itis.gov