Species list, Checklist of Superfamily Gnaphosoidea for Richmond (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 Superfamily Gnaphosoidea Simon, 1893
and region Richmond (Contra Costa County, California, USA)

Class	Arachnida Lamarck, 1801 Arachnids	20 28 25	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	19 27 24	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	12 19 18	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	12 19 18	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	11 18 17	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	11 18 17	Families Genera Species	Taxom
Superfamily	Gnaphosoidea Simon, 1893	1 3 3	Family Genera Species	Taxom

List of families for Richmond (Contra Costa County)
1 Family width 3 Species

Gnaphosidae (Pocock, 1898)

Flat-bellied ground spiders

Species

Taxom

Genera for Richmond (Contra Costa County)
3 Genera with 3 Species

Drassyllus Chamberlin, 1900	1	Species	Taxom
Gnaphosa Latreille, 1872	1	Species	Taxom
Scotophaeus Simon, 1871	1	Species	Taxom

Species list for Richmond (Contra Costa County)
3 Species

Drassyllus insularis Banks, 1900
Gnaphosa petrobia Carl Ludwig ..., 1872
Scotophaeus blackwalli (Thorell, 1871)	⇒ Scotophaeus peninsularis Carl Friedri..., 1928

Subnodes of Gnaphosoidea with occurrences in Richmond (Contra Costa County)

Family

Gnaphosidae
Pocock, 1898
Flat-bellied ground spiders, Ground spiders, Running spiders, Stealthy ground spiders

3
3

Genera
Species

Taxom