Species list, Checklist of Infraclass Palaeoptera (Ancient winged insects) for Sheldon (Harris County, Texas, 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

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INSECTOIDGERENGDARK LIGHT

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Checklist for Infraclass Palaeoptera Crampton, 1915 (Ancient winged insects)
and region Sheldon (Harris County, Texas, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	22 43 40	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	22 43 40	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	5 5 4	Families Genera Species	Taxom

List of families for Sheldon (Harris County Texas)
5 Families width 4 Species

Cordulegastridae Calvert, 1893	Biddie	1	Species	Taxom
Coenagrionidae Kirby, 1890	Narrow-winged damselflies	2	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	0	Species	Taxom
Lestidae Calvert, 1901	Spread-winged damselflies	1	Species	Taxom
Leptophlebiidae Banks, 1900	Leptophlebiids	0	Species	Taxom

Genera for Sheldon (Harris County Texas)
5 Genera with 4 Species

Cordulegaster Leach, 1840	Golden-Ringed Dragonflies	1	Species	Taxom
Enallagma Charpentier, 1840	American Bluets	2	Species	Taxom
Heptagenia Walsh, 1863		0	Species	Taxom
Lestes Leach, 1862	Emerald Damselflies	1	Species	Taxom
Paraleptophlebia Lestage, 1917		0	Species	Taxom

Species list for Sheldon (Harris County Texas)
4 Species

Cordulegaster obliqua Say, 1840	Arrowhead Spiketail
Enallagma civile Hagen, 1861	Damselfly
Enallagma cyathigerum Charpentier, 1840	Common Blue
Lestes disjunctus Selys, 1862	Common Spreadwing

Subnodes of Palaeoptera with occurrences in Sheldon (Harris County Texas)

Superorder	Ephemeropteroidea Rohdendorf, 1968	2 2 0	Families Genera Species	Taxom
Superorder	Odonatoptera Martynov, 1932	3 3 4	Families Genera Species	Taxom

Links, sources and further information

Palaeoptera at itis.gov