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


Class
 		Arachnida
Lamarck, 1801
Arachnids		27
49
48		Families
Genera
Species		 
Taxom
 

Subclass
 		Micrura
Ehrenberg, 1831
22
43
42		Families
Genera
Species		 
Taxom
 

Infraclass
 		Megoperculata
Börner, 1902
15
35
36		Families
Genera
Species		 
Taxom
 

Order
 		Araneae
Clerck, 1757
Spider, Spiders, True Spiders		15
35
36		Families
Genera
Species		 
Taxom
 

Suborder
 		Araneomorphae
Smith, 1902
True Spiders		15
35
36		Families
Genera
Species		 
Taxom
 

Infraorder
 		Araneomorphi
Smith, 1902
15
35
36		Families
Genera
Species		 
Taxom
 

Superfamily
 		Araneoidea
Latreille, 1806
4
17
19		Families
Genera
Species		 
Taxom
 
FamilyTheridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders		5
5		Genera
Species		 
Taxom
 


Genera for Barton County (Missouri)
5 Genera with 5 Species
Anelosimus Simon, 1850Social cobweb spiders1SpeciesTaxom
Argyrodes Simon, 1842Dewdrop spiders1SpeciesTaxom
Asagena Sundevall, 18821SpeciesTaxom
Latrodectus Walckenaer, 1837Black widow spider1SpeciesTaxom
Theridula Emerton, 18421SpeciesTaxom


Species list for Barton County (Missouri)
5 Species
Anelosimus studiosus (Nicholas Mar..., 1850)⇒ Anelosimus fraternus Agnarsson, 2006
Argyrodes argyrodes (Walckenaer, 1842)⇒ Neospintharus trigonum Nicholas Mar..., 1850
Asagena americana James Henry ..., 1882Two-Spotted Cobweb Spider
Latrodectus variolus (Walckenaer, 1837)⇒ Latrodectus hesperus Chamberlin &..., 1935
Theridula opulenta (Charles Atha..., 1842)⇒ Theridula gonygaster Eugène Simon, 1873

Subnodes of Theridiidae with occurrences in Barton County (Missouri)
SubfamilyArgyrodinae
Simon, 1894
1
1		Genus
Species
Taxom

SubfamilyLatrodectinae
Petrunkevitch, 1928
1
1		Genus
Species
Taxom

SubfamilyTheridiinae
Sundevall, 1833
1
1		Genus
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