Species list, Checklist of Superorder Ephemeropteroidea for Den Helder (North Holland, Netherlands)

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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North Netherland

De GrafelijkheidsduinenDe NollenDonkere DuinenFort Dirksz AdmiraalHet RefugiumHuisduinenJulianadorpMariëndalNieuw Den Helder

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INSECTOIDGERENGDARK LIGHT

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Checklist for Superorder Ephemeropteroidea Rohdendorf, 1968
and region Den Helder (North Holland, Netherlands)

Class	Insecta Linnaeus, 1758 Insects, True insects	212 1032 1469	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	212 1032 1469	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	7 18 37	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	2 2 4	Families Genera Species	Taxom

List of families for Den Helder
2 Families width 4 Species

Caenidae Newman, 1853	Small square-gill mayflies	2	Species	Taxom
Baetidae Leach, 1815	Mayflies	2	Species	Taxom

Genera for Den Helder
2 Genera with 4 Species

Caenis Stephens, 1884		2	Species	Taxom
Cloeon Leach, 1870		2	Species	Taxom

Species list for Den Helder
4 Species

Caenis (Caenis) horaria Linnaeus, 1758	Small square-gilled mayfly
Caenis (Caenis) robusta Eaton, 1884
Cloeon dipterum Linnaeus, 1761	Common wetland mayfly
Cloeon simile Eaton, 1870

Subnodes of Ephemeropteroidea with occurrences in Den Helder

Order

Ephemeroptera
Hyatt & Arms, 1891
Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes, Mayflies Olives Etc, mayfly, Shadflies

2
2
4

Families
Genera
Species