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

Class	Insecta Linnaeus, 1758 Insects, True insects	39 54 38	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	39 54 38	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	1 1 1	Family Genus Species	Taxom

List of families for Lawrence (Washington County Pennsylvania)
1 Family width 1 Species

Caenidae Newman, 1853

Small square-gill mayflies

Species

Taxom

Genera for Lawrence (Washington County Pennsylvania)
1 Genera with 1 Species

Amercaenis Provonsha an..., 1931

Species

Taxom

Species list for Lawrence (Washington County Pennsylvania)
1 Species

Amercaenis ridens McDunnough, 1931

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

Superorder

Ephemeropteroidea
Rohdendorf, 1968

1
1
1

Family
Genus
Species

Taxom

Links, sources and further information

Palaeoptera at itis.gov