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Checklist for Superorder Ephemeropteroidea Rohdendorf, 1968
and region Trinity County (Texas, USA)


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		194
728
810		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		194
728
810		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		7
20
29		Families
Genera
Species		 
Taxom
 

Superorder
 		Ephemeropteroidea
Rohdendorf, 1968
2
4
1		Families
Genera
Species		 
Taxom
 


List of families for Trinity County (Texas)
2 Families width 1 Species
Heptageniidae Needham, 1901Flat-Bodied Up-Wings Heptageniidae0SpeciesTaxom
Ephemeridae Leach, 1817Burrowing mayflies1SpeciesTaxom


Genera for Trinity County (Texas)
4 Genera with 1 Species
Heptagenia Walsh, 1863
0SpeciesTaxom
Hexagenia Walsh, 1863
Giant Mayflies0SpeciesTaxom
Pentagenia Walsh, 18621SpeciesTaxom
Stenonema Traver, 1933
0SpeciesTaxom


Species list for Trinity County (Texas)
1 Species
Pentagenia vittigera Walsh, 1862

Subnodes of Ephemeropteroidea with occurrences in Trinity County (Texas)
OrderEphemeroptera
Hyatt & Arms, 1891
Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes, Mayflies Olives Etc, mayfly, Shadflies		2
4
1		Families
Genera
Species
Taxom