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Checklist for Superorder Ephemeropteroidea Rohdendorf, 1968
and region Rock Springs (St. Francois County, Missouri, USA)


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		27
33
31		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		27
33
31		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		7
8
9		Families
Genera
Species		 
Taxom
 

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


List of families for Rock Springs (St. Francois County)
2 Families width 2 Species
Heptageniidae Needham, 1901Flat-Bodied Up-Wings Heptageniidae1SpeciesTaxom
Ephemeridae Leach, 1817Burrowing mayflies1SpeciesTaxom


Genera for Rock Springs (St. Francois County)
2 Genera with 2 Species
Heptagenia Walsh, 18621SpeciesTaxom
Hexagenia Walsh, 1824Giant Mayflies1SpeciesTaxom


Species list for Rock Springs (St. Francois County)
2 Species
Heptagenia (Heptagenia) flavescens Walsh, 1862
Hexagenia (Hexagenia) bilineata Say, 1824Emergent Mayfly

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