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


Class
 		Arachnida
Lamarck, 1801
Arachnids		8
9
11		Families
Genera
Species		 
Taxom
 


List of families for Kensington (Contra Costa County)
8 Families width 11 Species
Araneidae Simon, 1895Golden orb web spiders2SpeciesTaxom
Corinnidae Karsch, 1880Ant-like Sac Spiders1SpeciesTaxom
Amblyommidae Banks, 19072SpeciesTaxom
Ixodidae C. L. Koch, 1844Hard Tick2SpeciesTaxom
Thomisidae Sundevall, 1833Crab Spider1SpeciesTaxom
Linyphiidae Blackwall, 1859Dwarf spiders1SpeciesTaxom
Pholcidae (C. L. Koch, 1851)Carpenter spider1SpeciesTaxom
Theridiidae Sundevall, 1833Cobweb And Widow Spiders1SpeciesTaxom


Genera for Kensington (Contra Costa County)
9 Genera with 11 Species
Argiope Audouin, 1833Garden orbweavers1SpeciesTaxom
Castianeira Keyserling, 1847Ant-Mimic Sac Spiders1SpeciesTaxom
Cyclosa Menge, 1772Three-lobed Spiders1SpeciesTaxom
Dermacentor Koch, 1821Dog Ticks2SpeciesTaxom
Ixodes Latreille, 19432SpeciesTaxom
Mecaphesa Simon, 18961SpeciesTaxom
Neriene Blackwall, 18301SpeciesTaxom
Pholcus Walckenaer, 17751SpeciesTaxom
Theridion Walckenaer, 1904Tangle-Web Spiders1SpeciesTaxom


Species list for Kensington (Contra Costa County)
11 Species
Argiope aurantia Lucas, 1833American garden spider
Castianeira crocata Nicholas Mar..., 1847
Cyclosa conica Pallas, 1772Conical Trashline Orbweaver
Dermacentor occidentalis Marx, 1892Net tick
Dermacentor variabilis Say, 1821American dog tick
Ixodes angustus (Neumann, 1899)⇒ Ixodes woodi Bishopp, 1911
Ixodes pacificus Cooley & Kohls, 1943California black-legged tick
Mecaphesa californica Richard C. B..., 1896
Neriene clathrata Sundevall, 1830
Pholcus phalangioides (Fuesslin, 1775)⇒ Smeringopus pallidus Blackwall, 1858
Theridion californicum Richard C. B..., 1904

Subnodes of Arachnida with occurrences in Kensington (Contra Costa County)
SubclassMicrura
Ehrenberg, 1831
8
9
11		Families
Genera
Species
Taxom



Arachnida (Lamarck 1801)
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