Species list, Checklist of Infraclass Palaeoptera (Ancient winged insects) for Okawville (Washington County, Illinois, 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 Okawville (Washington County, Illinois, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	12 14 14	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	12 14 14	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	4 6 5	Families Genera Species	Taxom

List of families for Okawville
4 Families width 5 Species

Caenidae Newman, 1853	Small square-gill mayflies	3	Species	Taxom
Baetidae Leach, 1815	Mayflies	0	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	2	Species	Taxom
Leptohyphidae Landa & Soldán, 1985	Little Stout Crawler Mayflies	0	Species	Taxom

Genera for Okawville
6 Genera with 5 Species

Caenis Stephens, 1931		3	Species	Taxom
Callibaetis Eaton, 1881	Speckled Duns	0	Species	Taxom
Centroptilum Eaton, 1869		0	Species	Taxom
Heptagenia Walsh, 1862		1	Species	Taxom
Stenacron Jensen, 1839	Light Cahills	1	Species	Taxom
Tricorythodes Ulmer, 1920		0	Species	Taxom

Species list for Okawville
5 Species

Caenis (Caenis) hilaris Say, 1839
Caenis (Caenis) latipennis Banks, 1907	Graywinged sulphur dun
Caenis (Caenis) punctata McDunnough, 1931	Shortstyle draba
Heptagenia (Heptagenia) flavescens Walsh, 1862
Stenacron interpunctatum Say, 1839	Ginger quill

Subnodes of Palaeoptera with occurrences in Okawville

Superorder

Ephemeropteroidea
Rohdendorf, 1968

4
6
5

Families
Genera
Species

Taxom

Links, sources and further information

Palaeoptera at itis.gov