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Checklist for Superorder Ephemeropteroidea Rohdendorf, 1968
and region Ashland (Alameda County, California, USA)


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		77
206
249		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		77
206
249		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		8
15
19		Families
Genera
Species		 
Taxom
 

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


List of families for Ashland (Alameda County)
2 Families width 2 Species
Baetidae Leach, 1815Mayflies1SpeciesTaxom
Heptageniidae Needham, 1901Flat-Bodied Up-Wings Heptageniidae1SpeciesTaxom


Genera for Ashland (Alameda County)
2 Genera with 2 Species
Callibaetis Eaton, 1862Speckled Duns1SpeciesTaxom
Stenonema Traver, 18231SpeciesTaxom


Species list for Ashland (Alameda County)
2 Species
Callibaetis fluctuans Walsh, 1862
Stenonema femoratum Say, 1823Dark Cahill

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