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


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		185
661
808		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		183
659
807		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		11
32
59		Families
Genera
Species		 
Taxom
 

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


List of families for Bryan County (Oklahoma)
3 Families width 4 Species
Heptageniidae Needham, 1901Flat-Bodied Up-Wings Heptageniidae1SpeciesTaxom
Ephemeridae Leach, 1817Burrowing mayflies2SpeciesTaxom
Oligoneuriidae Ulmer, 1914Brushleg Mayflies1SpeciesTaxom


Genera for Bryan County (Oklahoma)
4 Genera with 4 Species
Heptagenia Walsh, 1863
0SpeciesTaxom
Hexagenia Walsh, 1829Giant Mayflies2SpeciesTaxom
Isonychia Eaton, 1931Slate Drakes1SpeciesTaxom
Stenonema Traver, 18231SpeciesTaxom


Species list for Bryan County (Oklahoma)
4 Species
Hexagenia (Hexagenia) bilineata Say, 1824Emergent Mayfly
Hexagenia (Hexagenia) limbata Serville, 1829Burrowing mayfly
Isonychia (Isonychia) rufa McDunnough, 1931Shortstyle draba
Stenonema femoratum Say, 1823Dark Cahill

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