Species list, Checklist of Superfamily Heptagenioidea for Dixon County (Nebraska, USA)

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Checklist for Superfamily Heptagenioidea Needham, 1901
and region Dixon County (Nebraska, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	185 863 1255	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	184 862 1254	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	14 36 63	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	7 14 13	Families Genera Species	Taxom
Order	Ephemeroptera Hyatt & Arms, 1891 Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes	7 14 13	Families Genera Species	Taxom
Suborder	Pisciforma McCafferty, 1991	3 9 8	Families Genera Species	Taxom
Superfamily	Heptagenioidea Needham, 1901	2 5 5	Families Genera Species	Taxom

List of families for Dixon County
2 Families width 5 Species

Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	4	Species	Taxom
Oligoneuriidae Ulmer, 1914	Brushleg Mayflies	1	Species	Taxom

Genera for Dixon County
5 Genera with 5 Species

Species list for Dixon County
5 Species

Heptagenia (Heptagenia) elegantula Eaton, 1885
Heptagenia (Heptagenia) flavescens Walsh, 1862
Isonychia (Isonychia) rufa McDunnough, 1931	Shortstyle draba
Maccaffertium terminatum Walsh, 1862
Stenacron interpunctatum Say, 1839	Ginger quill

Subnodes of Heptagenioidea with occurrences in Dixon County

Family	Heptageniidae Needham, 1901 Flat-Bodied Up-Wings Heptageniidae, Flat-headed mayflies, Flatheaded Mayflies, Stream mayflies, stream mayfly	4 4	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