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Checklist for Tribe Cyrtarachnini Simon, 1895
and region Contra Costa County (California, USA)


Class
 
Arachnida
Lamarck, 1801
Arachnids
56
112
122
Families
Genera
Species
 
Taxom
 

Subclass
 
Micrura
Ehrenberg, 1831
46
100
111
Families
Genera
Species
 
Taxom
 

Infraclass
 
Megoperculata
Börner, 1902
22
60
73
Families
Genera
Species
 
Taxom
 

Order
 
Araneae
Clerck, 1757
Spider, Spiders, True Spiders
22
60
73
Families
Genera
Species
 
Taxom
 

Suborder
 
Araneomorphae
Smith, 1902
True Spiders
20
58
71
Families
Genera
Species
 
Taxom
 

Infraorder
 
Araneomorphi
Smith, 1902
20
58
71
Families
Genera
Species
 
Taxom
 

Superfamily
 
Araneoidea
Latreille, 1806
4
20
26
Families
Genera
Species
 
Taxom
 
FamilyAraneidae
Simon, 1895
Golden orb web spiders, Indet. Spider, Nephila web spiders
10
13
Genera
Species
 
Taxom
 
SubfamilyCyrtarachninae
2
2
Genera
Species
 
Taxom
 
TribeCyrtarachnini
Simon, 1895
1
1
Genus
Species
 
Taxom
 


Genera for Contra Costa County
1 Genera with 1 Species
Poecilopachys Simon, 18331SpeciesTaxom


Species list for Contra Costa County
1 Species
Poecilopachys australasia Griffith & P..., 1833Two-spined Spider