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Checklist for Superorder Ephemeropteroidea Rohdendorf, 1968
and region Major County (Oklahoma, USA)


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		187
780
975		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		187
780
975		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		11
25
45		Families
Genera
Species		 
Taxom
 

Superorder
 		Ephemeropteroidea
Rohdendorf, 1968
3
4
3		Families
Genera
Species		 
Taxom
 


List of families for Major County
3 Families width 3 Species
Ephemerellidae Klapálek, 1909Blue-Winged Olive Ephemerellidae1SpeciesTaxom
Ephemeridae Leach, 1817Burrowing mayflies1SpeciesTaxom
Heptageniidae Needham, 1901Flat-Bodied Up-Wings Heptageniidae1SpeciesTaxom


Genera for Major County
4 Genera with 3 Species
Ephemerella Walsh, 1862And Pale Duns1SpeciesTaxom
Hexagenia Walsh, 1829Giant Mayflies1SpeciesTaxom
Stenacron Jensen, 1839Light Cahills1SpeciesTaxom
Stenonema Traver, 1933
0SpeciesTaxom


Species list for Major County
3 Species
Ephemerella (Ephemerella) excrucians Walsh, 1862Bluewinged olive dun
Hexagenia (Hexagenia) limbata Serville, 1829Burrowing mayfly
Stenacron interpunctatum Say, 1839Ginger quill

Subnodes of Ephemeropteroidea with occurrences in Major County
OrderEphemeroptera
Hyatt & Arms, 1891
Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes, Mayflies Olives Etc, mayfly, Shadflies		3
4
3		Families
Genera
Species
Taxom