Species list, Checklist of Infraclass Palaeoptera (Ancient winged insects) for Denison (Crawford County, Iowa, USA)

Ants	Arachnids
Bees	Beetles
Booklice	Bugs
Bumblebees	Butterflies
Cicadas	Crane flies
Dragonflies	Earwigs
Flies	Isopods
Locusts	Mantises
Mayflies	Mosquitoes
Myriapods	Net-winged
Plant-parasitic	Scorpion flies
Termites	Wasps

Taxonomy & Distribution
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INSECTOIDGERENGDARK LIGHT

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

Class	Insecta Linnaeus, 1758 Insects, True insects	14 25 27	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	14 25 27	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	4 4 5	Families Genera Species	Taxom

List of families for Denison (Iowa)
4 Families width 5 Species

Coenagrionidae Kirby, 1890	Narrow-winged damselflies	2	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	1	Species	Taxom
Libellulidae Rambur, 1842	Chasers	1	Species	Taxom
Megapodagrionidae Tillyard, 1917	Flatwing	1	Species	Taxom

Genera for Denison (Iowa)
4 Genera with 5 Species

Argia Rambur, 1861	Dancers	2	Species	Taxom
Heptagenia Walsh, 1885		1	Species	Taxom
Perithemis Hagen, 1840	Amberwings	1	Species	Taxom
Rhipidolestes Ris, 1951		1	Species	Taxom

Species list for Denison (Iowa)
5 Species

Argia apicalis (Say, 1840)	⇒ Rhipidolestes okinawanus Asahina, 1951
Argia moesta Hagen, 1861	Powdered Dancer
Heptagenia (Heptagenia) elegantula Eaton, 1885
Perithemis tenera Say, 1840	Eastern Amberwing
Rhipidolestes okinawanus Asahina, 1951

Subnodes of Palaeoptera with occurrences in Denison (Iowa)

Superorder	Ephemeropteroidea Rohdendorf, 1968	1 1 1	Family Genus Species	Taxom
Superorder	Odonatoptera Martynov, 1932	3 3 4	Families Genera Species	Taxom

Links, sources and further information

Palaeoptera at itis.gov