Species list, Checklist of Infraclass Palaeoptera (Ancient winged insects) for Otter (Powder River County, Montana, 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 Otter (Powder River County, Montana, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	19 27 25	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	19 27 25	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	3 3 0	Families Genera Species	Taxom

List of families for Otter (Powder River County)
3 Families width 0 Species

Leptophlebiidae Banks, 1900	Leptophlebiids	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	Species	Taxom
Leptohyphidae Landa & Soldán, 1985	Little Stout Crawler Mayflies	Species	Taxom

Genera for Otter (Powder River County)
3 Genera with 0 Species

Paraleptophlebia Lestage, 1917		Species	Taxom
Rhithrogena Eaton, 1881	March Browns	Species	Taxom
Tricorythodes Ulmer, 1920		Species	Taxom

Subnodes of Palaeoptera with occurrences in Otter (Powder River County)

Superorder

Ephemeropteroidea
Rohdendorf, 1968

3
3
0

Families
Genera
Species

Taxom

Links, sources and further information

Palaeoptera at itis.gov