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


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		104
312
379		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		104
312
379		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		10
24
42		Families
Genera
Species		 
Taxom
 

Superorder
 		Ephemeropteroidea
Rohdendorf, 1968
2
2
0		Families
Genera
Species		 
Taxom
 


List of families for Grayson County (Texas)
2 Families width 0 Species
Baetidae Leach, 1815Mayflies0SpeciesTaxom
Heptageniidae Needham, 1901Flat-Bodied Up-Wings Heptageniidae0SpeciesTaxom


Genera for Grayson County (Texas)
2 Genera with 0 Species
Callibaetis Eaton, 1881
Speckled Duns0SpeciesTaxom
Stenonema Traver, 1933
0SpeciesTaxom

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