Species list, Checklist of Infraorder Araneomorphi for Lafayette (Contra Costa County, California, 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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INSECTOIDGERENGDARK LIGHT

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Checklist for Infraorder Araneomorphi Smith, 1902
and region Lafayette (Contra Costa County, California, USA)

Class	Arachnida Lamarck, 1801 Arachnids	7 7 5	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	7 7 5	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	2 2 2	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	2 2 2	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	2 2 2	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	2 2 2	Families Genera Species	Taxom

List of families for Lafayette (Contra Costa County)
2 Families width 2 Species

Dysderidae C. L. Koch, 1837	Dysderid spiders	1	Species	Taxom
Gnaphosidae Pocock, 1898	Flat-bellied ground spiders	1	Species	Taxom

Genera for Lafayette (Contra Costa County)
2 Genera with 2 Species

Dysdera Latreille, 1910		1	Species	Taxom
Nodocion Chamberlin, 1919		1	Species	Taxom

Species list for Lafayette (Contra Costa County)
2 Species

Dysdera nomada Eugène Simon, 1910	Stocky cerith
Nodocion voluntarius Chamberlin, 1919