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Checklist for Superorder Ephemeropteroidea Rohdendorf, 1968
and region Humboldt County (Iowa, USA)


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		184
647
762		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		183
646
761		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		10
20
44		Families
Genera
Species		 
Taxom
 

Superorder
 		Ephemeropteroidea
Rohdendorf, 1968
4
5
3		Families
Genera
Species		 
Taxom
 


List of families for Humboldt County (Iowa)
4 Families width 3 Species
Caenidae Newman, 1853Small square-gill mayflies1SpeciesTaxom
Heptageniidae Needham, 1901Flat-Bodied Up-Wings Heptageniidae1SpeciesTaxom
Leptophlebiidae Banks, 1900Leptophlebiids0SpeciesTaxom
Siphlonuridae Banks, 1900Primitive Minnow Mayflies1SpeciesTaxom


Genera for Humboldt County (Iowa)
5 Genera with 3 Species
Caenis Stephens, 18611SpeciesTaxom
Heptagenia Walsh, 18621SpeciesTaxom
Leptophlebia Westwood, 1840
0SpeciesTaxom
Siphlonurus Eaton, 18241SpeciesTaxom
Stenacron Jensen, 1974
Light Cahills0SpeciesTaxom


Species list for Humboldt County (Iowa)
3 Species
Caenis (Caenis) amica Hagen, 1861Heterosporous ferns
Heptagenia (Heptagenia) flavescens Walsh, 1862
Siphlonurus alternatus Say, 1824Medium summer olive

Subnodes of Ephemeropteroidea with occurrences in Humboldt County (Iowa)
OrderEphemeroptera
Hyatt & Arms, 1891
Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes, Mayflies Olives Etc, mayfly, Shadflies		4
5
3		Families
Genera
Species
Taxom