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Checklist for Superorder Ephemeropteroidea Rohdendorf, 1968
and region Grand County (Colorado, USA)


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		120
386
545		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		120
386
545		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		10
19
30		Families
Genera
Species		 
Taxom
 

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


List of families for Grand County (Colorado)
2 Families width 2 Species
Caenidae Newman, 1853Small square-gill mayflies1SpeciesTaxom
Baetidae Leach, 1815Mayflies1SpeciesTaxom


Genera for Grand County (Colorado)
2 Genera with 2 Species
Caenis Stephens, 18611SpeciesTaxom
Callibaetis Eaton, 1862Speckled Duns1SpeciesTaxom


Species list for Grand County (Colorado)
2 Species
Caenis (Caenis) amica Hagen, 1861Heterosporous ferns
Callibaetis ferrugineus Walsh, 1862Red Speckled Dun

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