Species list, Checklist of Superfamily Caenoidea for Montana (West USA, USA)

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Checklist for Superfamily Caenoidea Edmunds & Traver, 1954
and region Montana (West USA, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	432 3116 6987	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	431 3113 6984	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	22 68 134	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	10 30 35	Families Genera Species	Taxom
Order	Ephemeroptera Hyatt & Arms, 1891 Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes	10 30 35	Families Genera Species	Taxom
Suborder	Furcatergalia Kluge, 1993	6 13 15	Families Genera Species	Taxom
Infraorder	Pannota McCafferty & Edmunds, 1979 Fusedback mayflies	4 8 12	Families Genera Species	Taxom
Superfamily	Caenoidea Edmunds & Traver, 1954	2 2 2	Families Genera Species	Taxom

List of families for Montana
2 Families width 2 Species

Caenidae Newman, 1853	Small square-gill mayflies	1	Species	Taxom
Neoephemeridae Traver, 1935	Large square-gilled mayflies	1	Species	Taxom

Genera for Montana
2 Genera with 2 Species

Caenis Stephens, 1984		1	Species	Taxom
Potamanthellus Lestage, 1977		1	Species	Taxom

Species list for Montana
2 Species

Caenis (Caenis) youngi Roemhild, 1984	Fringed coil
Potamanthellus rubiensis ♰ S. E. Lewis, 1977

Subnodes of Caenoidea with occurrences in Montana

Family	Caenidae Newman, 1853 Small square-gill mayflies, Small Squaregilled Mayflies, Small Squaregills	1 1	Genus Species	Taxom
Family	Neoephemeridae Traver in Needham, Traver & Hsu, 1935 Large square-gilled mayflies	1 1	Genus Species	Taxom

Links, sources and further information

Caenoidea at itis.gov