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Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders)
and region Williamson County (Tennessee, USA)


Class
 
Arachnida
Lamarck, 1801
Arachnids
15
21
22
Families
Genera
Species
 
Taxom
 

Subclass
 
Micrura
Ehrenberg, 1831
12
18
19
Families
Genera
Species
 
Taxom
 

Infraclass
 
Megoperculata
Börner, 1902
9
15
17
Families
Genera
Species
 
Taxom
 

Order
 
Araneae
Clerck, 1757
Spider, Spiders, True Spiders
9
15
17
Families
Genera
Species
 
Taxom
 

Suborder
 
Araneomorphae
Smith, 1902
True Spiders
9
15
17
Families
Genera
Species
 
Taxom
 

Infraorder
 
Araneomorphi
Smith, 1902
9
15
17
Families
Genera
Species
 
Taxom
 

Superfamily
 
Araneoidea
Latreille, 1806
4
10
12
Families
Genera
Species
 
Taxom
 
FamilyTheridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders
5
5
Genera
Species
 
Taxom
 


Genera for Williamson County (Tennessee)
5 Genera with 5 Species
Anelosimus Simon, 1850Social cobweb spiders1SpeciesTaxom
Asagena Sundevall, 18821SpeciesTaxom
Rugathodes Archer, 18821SpeciesTaxom
Steatoda Sundevall, 1838False black widows1SpeciesTaxom
Theridula Emerton, 18421SpeciesTaxom


Species list for Williamson County (Tennessee)
5 Species
Anelosimus studiosus (Nicholas Mar..., 1850)⇒ Anelosimus fraternus Agnarsson, 2006
Asagena americana James Henry ..., 1882Two-Spotted Cobweb Spider
Rugathodes sexpunctatus James Henry ..., 1882
Steatoda grossa C. L. Koch, 1838Brown house spider
Theridula opulenta (Charles Atha..., 1842)⇒ Theridula gonygaster Eugène Simon, 1873

Subnodes of Theridiidae with occurrences in Williamson County (Tennessee)
SubfamilyLatrodectinae
Petrunkevitch, 1928
1
1
Genus
Species

Taxom

SubfamilyTheridiinae
Sundevall, 1833
2
2
Genera
Species

Taxom



Theridiidae (Sundevall 1833)
Theridiidae (Sundevall 1833)


Links, sources and further information
Theridiidae at artfakta.se
Theridiidae at biodiversity.org.au
Theridiidae at dyntaxa.se
Theridiidae at gbif.org
Theridiidae at irmng.org
Theridiidae at itis.gov