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Checklist for Superorder Ephemeropteroidea Rohdendorf, 1968
and region Steendam (Slochteren, Netherlands)


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		12
20
20		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		12
20
20		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		3
3
4		Families
Genera
Species		 
Taxom
 

Superorder
 		Ephemeropteroidea
Rohdendorf, 1968
1
1
2		Family
Genus
Species		 
Taxom
 


List of families for Steendam
1 Family width 2 Species
Caenidae Newman, 1853Small square-gill mayflies2SpeciesTaxom


Genera for Steendam
1 Genera with 2 Species
Caenis Stephens, 18842SpeciesTaxom


Species list for Steendam
2 Species
Caenis (Caenis) horaria Linnaeus, 1758Small square-gilled mayfly
Caenis (Caenis) robusta Eaton, 1884

Subnodes of Ephemeropteroidea with occurrences in Steendam
OrderEphemeroptera
Hyatt & Arms, 1891
Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes, Mayflies Olives Etc, mayfly, Shadflies		1
1
2		Family
Genus
Species
Taxom