Species list, Checklist of Class Arachnida (Arachnids) for Clayton (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

Taxonomy & Distribution
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INSECTOIDGERENGDARK LIGHT

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Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Clayton (Contra Costa County, California, USA)

Class

Arachnida
Lamarck, 1801
Arachnids

5
5
5

Families
Genera
Species

Taxom

List of families for Clayton (Contra Costa County)
5 Families width 5 Species

Phalangodidae Simon, 1879		1	Species	Taxom
Phytoseiidae Berlese, 1916	Phytoseiid mites	1	Species	Taxom
Tetranychidae (Donnadieu, 1875)	Spider mites	1	Species	Taxom
Oxyopidae Thorell, 1870	Lynx spiders	1	Species	Taxom
Theridiidae Sundevall, 1833	Cobweb And Widow Spiders	1	Species	Taxom

Genera for Clayton (Contra Costa County)
5 Genera with 5 Species

Calicina Ubick & Briggs, 1966		1	Species	Taxom
Galendromus Muma, 1951		1	Species	Taxom
Monoceronychus McGregor, 1945		1	Species	Taxom
Oxyopes Latreille, 1845	Lynx Spiders	1	Species	Taxom
Steatoda Sundevall, 1838	False black widows	1	Species	Taxom

Species list for Clayton (Contra Costa County)
5 Species

Calicina serpentinea Briggs & Hom, 1966
Galendromus (Galendromus) occidentalis Nesbitt, 1951	Western predatory mite
Monoceronychus californicus (McGregor, 1945)	⇒ Monoceronychus littoralis Tuttle, Bake..., 1976
Oxyopes salticus Hentz, 1845	Lynx spider
Steatoda grossa C. L. Koch, 1838	Brown house spider

Subnodes of Arachnida with occurrences in Clayton (Contra Costa County)

Subclass	Dromopoda Shultz, 1990	1 1 1	Family Genus Species	Taxom
Subclass	Micrura Ehrenberg, 1831	4 4 4	Families Genera Species	Taxom

Arachnida (Lamarck 1801)

Links, sources and further information

Arachnida at biolcoll.utu.fi
Arachnida at wiki.spinnen-forum.de
Arachnida at spiderling.de
Arachnida at wsc.nmbe.ch
Arachnida at artfakta.se
Arachnida at biodiversity.org.au
Arachnida at dyntaxa.se
Arachnida at gbif.org
Arachnida at irmng.org
Arachnida at itis.gov
Arachnida at marinespecies.org