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


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		143
433
518		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		143
433
518		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		9
23
35		Families
Genera
Species		 
Taxom
 

Superorder
 		Ephemeropteroidea
Rohdendorf, 1968
2
3
3		Families
Genera
Species		 
Taxom
 


List of families for Robertson County (Texas)
2 Families width 3 Species
Caenidae Newman, 1853Small square-gill mayflies1SpeciesTaxom
Heptageniidae Needham, 1901Flat-Bodied Up-Wings Heptageniidae2SpeciesTaxom


Genera for Robertson County (Texas)
3 Genera with 3 Species
Caenis Stephens, 19071SpeciesTaxom
Stenacron Jensen, 1839Light Cahills1SpeciesTaxom
Stenonema Traver, 18231SpeciesTaxom


Species list for Robertson County (Texas)
3 Species
Caenis (Caenis) latipennis Banks, 1907Graywinged sulphur dun
Stenacron interpunctatum Say, 1839Ginger quill
Stenonema femoratum Say, 1823Dark Cahill

Subnodes of Ephemeropteroidea with occurrences in Robertson County (Texas)
OrderEphemeroptera
Hyatt & Arms, 1891
Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes, Mayflies Olives Etc, mayfly, Shadflies		2
3
3		Families
Genera
Species
Taxom