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Checklist for Infraclass Palaeoptera Crampton, 1915 (Ancient winged insects)
and region East Fork (Benson County, North Dakota, USA)


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		13
17
15		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		13
17
15		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		2
2
2		Families
Genera
Species		 
Taxom
 


List of families for East Fork (Benson County)
2 Families width 2 Species
Coenagrionidae (Kirby, 1890)Narrow-winged damselflies1SpeciesTaxom
Megapodagrionidae Tillyard, 1917Flatwing1SpeciesTaxom


Genera for East Fork (Benson County)
2 Genera with 2 Species
Argia Rambur, 1840Dancers1SpeciesTaxom
Rhipidolestes Ris, 19511SpeciesTaxom


Species list for East Fork (Benson County)
2 Species
Argia apicalis (Say, 1840)⇒ Rhipidolestes okinawanus Asahina, 1951
Rhipidolestes okinawanus Asahina, 1951

Subnodes of Palaeoptera with occurrences in East Fork (Benson County)
SuperorderOdonatoptera
Martynov, 1932
2
2
2		Families
Genera
Species
Taxom



Links, sources and further information
Palaeoptera at itis.gov