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


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		165
592
735		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		165
592
735		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		11
30
41		Families
Genera
Species		 
Taxom
 

Superorder
 		Ephemeropteroidea
Rohdendorf, 1968
3
6
2		Families
Genera
Species		 
Taxom
 


List of families for Walker County (Texas)
3 Families width 2 Species
Baetidae Leach, 1815Mayflies0SpeciesTaxom
Leptophlebiidae Banks, 1900Leptophlebiids0SpeciesTaxom
Heptageniidae Needham, 1901Flat-Bodied Up-Wings Heptageniidae2SpeciesTaxom


Genera for Walker County (Texas)
6 Genera with 2 Species
Callibaetis Eaton, 1881
Speckled Duns0SpeciesTaxom
Choroterpes Eaton, 1881
0SpeciesTaxom
Heptagenia Walsh, 1863
0SpeciesTaxom
Maccaffertium Bednarik, 18621SpeciesTaxom
Stenacron Jensen, 1839Light Cahills1SpeciesTaxom
Stenonema Traver, 1933
0SpeciesTaxom


Species list for Walker County (Texas)
2 Species
Maccaffertium terminatum Walsh, 1862
Stenacron interpunctatum Say, 1839Ginger quill

Subnodes of Ephemeropteroidea with occurrences in Walker County (Texas)
OrderEphemeroptera
Hyatt & Arms, 1891
Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes, Mayflies Olives Etc, mayfly, Shadflies		3
6
2		Families
Genera
Species
Taxom