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

Class	Insecta Linnaeus, 1758 Insects, True insects	69 116 114	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	69 116 114	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	3 3 2	Families Genera Species	Taxom

List of families for Morris (Washington County Pennsylvania)
3 Families width 2 Species

Baetidae Leach, 1815	Mayflies	0	Species	Taxom
Ephemeridae Leach, 1817	Burrowing mayflies	1	Species	Taxom
Lestidae Calvert, 1901	Spread-winged damselflies	1	Species	Taxom

Genera for Morris (Washington County Pennsylvania)
3 Genera with 2 Species

Callibaetis Eaton, 1881	Speckled Duns	0	Species	Taxom
Hexagenia Walsh, 1829	Giant Mayflies	1	Species	Taxom
Lestes Leach, 1840	Emerald Damselflies	1	Species	Taxom

Species list for Morris (Washington County Pennsylvania)
2 Species

Hexagenia (Hexagenia) limbata Serville, 1829	Burrowing mayfly
Lestes rectangularis Say, 1840	Slender Spreadwing

Subnodes of Palaeoptera with occurrences in Morris (Washington County Pennsylvania)

Superorder	Ephemeropteroidea Rohdendorf, 1968	2 2 1	Families Genera Species	Taxom
Superorder	Odonatoptera Martynov, 1932	1 1 1	Family Genus Species	Taxom

Links, sources and further information

Palaeoptera at itis.gov