Species list, Checklist of Order Ephemeroptera (Mayflies) 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

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Checklist for Order Ephemeroptera Hyatt & Arms, 1891 (Mayflies)
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
Superorder	Ephemeropteroidea Rohdendorf, 1968	3 3 0	Families Genera Species	Taxom
Order	Ephemeroptera Hyatt & Arms, 1891 Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes	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 Ephemeroptera with occurrences in Otter (Powder River County)

Suborder	Furcatergalia Kluge, 1993	2 2 0	Families Genera Species	Taxom
Suborder	Pisciforma McCafferty, 1991	1 1 0	Family Genus Species	Taxom

Ephemeroptera (Hyatt & Arms 1891)

Links, sources and further information

Ephemeroptera at ru.ac.za
Ephemeroptera at artfakta.se
Ephemeroptera at biodiversity.org.au
Ephemeroptera at dyntaxa.se
Ephemeroptera at gbif.org
Ephemeroptera at irmng.org
Ephemeroptera at itis.gov