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Checklist for Infraclass Palaeoptera Crampton, 1915 (Ancient winged insects)
and region Ryan (Delaware County, Iowa, USA)


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		3
3
3		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		3
3
3		Families
Genera
Species		 
Taxom
 

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


List of families for Ryan (Delaware County Iowa)
3 Families width 3 Species
Coenagrionidae (Kirby, 1890)Narrow-winged damselflies1SpeciesTaxom
Gomphidae Rambur, 1842Club-tailed dragonflies1SpeciesTaxom
Megapodagrionidae Tillyard, 1917Flatwing1SpeciesTaxom


Genera for Ryan (Delaware County Iowa)
3 Genera with 3 Species
Argia Rambur, 1840Dancers1SpeciesTaxom
Dromogomphus Selys, 1858Spiny-Legged Clubtails1SpeciesTaxom
Rhipidolestes Ris, 19511SpeciesTaxom


Species list for Ryan (Delaware County Iowa)
3 Species
Argia apicalis (Say, 1840)⇒ Rhipidolestes okinawanus Asahina, 1951
Dromogomphus spoliatus Hagen, 1858Flag-tailed Clubtail
Rhipidolestes okinawanus Asahina, 1951

Subnodes of Palaeoptera with occurrences in Ryan (Delaware County Iowa)
SuperorderOdonatoptera
Martynov, 1932
3
3
3		Families
Genera
Species
Taxom



Links, sources and further information
Palaeoptera at itis.gov