Species list, Checklist of Infraclass Palaeoptera (Ancient winged insects) for Merrill (Klamath County, Oregon, 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 Merrill (Klamath County, Oregon, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	32 43 46	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	32 43 46	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	4 7 7	Families Genera Species	Taxom

List of families for Merrill (Klamath County)
4 Families width 7 Species

Potamanthidae Albarda, 1888	Hacklegill mayflies	1	Species	Taxom
Ephemeridae Leach, 1817	Burrowing mayflies	1	Species	Taxom
Libellulidae Rambur, 1842	Chasers	1	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	4	Species	Taxom

Genera for Merrill (Klamath County)
7 Genera with 7 Species

Anthopotamus McCafferty a..., 1839		1	Species	Taxom
Hexagenia Walsh, 1829	Giant Mayflies	1	Species	Taxom
Libellula Linnaeus, 1861	Chaser Or Darter Dragonfly	1	Species	Taxom
Maccaffertium Bednarik, 1862		1	Species	Taxom
Nixe Flowers, 1924		1	Species	Taxom
Stenacron Jensen, 1839	Light Cahills	1	Species	Taxom
Stenonema Traver, 1823		1	Species	Taxom

Species list for Merrill (Klamath County)
7 Species

Anthopotamus verticis Say, 1839
Hexagenia (Hexagenia) limbata Serville, 1829	Burrowing mayfly
Libellula incesta Hagen, 1861	Slaty Skimmer
Maccaffertium pulchellum Walsh, 1862
Nixe inconspicua McDunnough, 1924
Stenacron interpunctatum Say, 1839	Ginger quill
Stenonema femoratum Say, 1823	Dark Cahill

Subnodes of Palaeoptera with occurrences in Merrill (Klamath County)

Superorder	Ephemeropteroidea Rohdendorf, 1968	3 6 6	Families Genera Species	Taxom
Superorder	Odonatoptera Martynov, 1932	1 1 1	Family Genus Species	Taxom

Links, sources and further information

Palaeoptera at itis.gov