Species list, Checklist of Infraclass Palaeoptera (Ancient winged insects) for Severn (Anne Arundel County, Maryland, 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 Severn (Anne Arundel County, Maryland, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	14 17 9	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	14 17 9	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	3 6 1	Families Genera Species	Taxom

List of families for Severn (Anne Arundel County)
3 Families width 1 Species

Baetidae Leach, 1815	Mayflies	1	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	0	Species	Taxom
Leptophlebiidae Banks, 1900	Leptophlebiids	0	Species	Taxom

Genera for Severn (Anne Arundel County)
6 Genera with 1 Species

Centroptilum Eaton, 1869		0	Species	Taxom
Cloeon Leach, 1761		1	Species	Taxom
Heptagenia Walsh, 1863		0	Species	Taxom
Leptophlebia Westwood, 1840		0	Species	Taxom
Paraleptophlebia Lestage, 1917		0	Species	Taxom
Rhithrogena Eaton, 1881	March Browns	0	Species	Taxom

Species list for Severn (Anne Arundel County)
1 Species

Cloeon dipterum Linnaeus, 1761

Common wetland mayfly

Subnodes of Palaeoptera with occurrences in Severn (Anne Arundel County)

Superorder

Ephemeropteroidea
Rohdendorf, 1968

3
6
1

Families
Genera
Species

Taxom

Links, sources and further information

Palaeoptera at itis.gov