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Checklist for Order Araneae Clerck, 1757 (Spider)
and region St. Croix Falls (Polk County, Wisconsin, USA)


Class
 		Arachnida
Lamarck, 1801
Arachnids		2
3
3		Families
Genera
Species		 
Taxom
 

Subclass
 		Micrura
Ehrenberg, 1831
2
3
3		Families
Genera
Species		 
Taxom
 

Infraclass
 		Megoperculata
Börner, 1902
2
3
3		Families
Genera
Species		 
Taxom
 

Order
 		Araneae
Clerck, 1757
Spider, Spiders, True Spiders		2
3
3		Families
Genera
Species		 
Taxom
 


List of families for St. Croix Falls
2 Families width 3 Species
Corinnidae (Karsch, 1880)Ant-like Sac Spiders2SpeciesTaxom
Theridiidae Sundevall, 1833Cobweb And Widow Spiders1SpeciesTaxom


Genera for St. Croix Falls
3 Genera with 3 Species
Castianeira Keyserling, 1847Ant-Mimic Sac Spiders1SpeciesTaxom
Neospintharus Exline, 18501SpeciesTaxom
Phrurotimpus Chamberlin &..., 18471SpeciesTaxom


Species list for St. Croix Falls
3 Species
Castianeira descripta Nicholas Mar..., 1847Red Spotted Ant Mimic Spider
Neospintharus trigonum Nicholas Mar..., 1850Horned Parasitic Cobweaver
Phrurotimpus alarius (Nicholas Mar..., 1847)⇒ Phrurotimpus borealis James Henry ..., 1911

Subnodes of Araneae with occurrences in St. Croix Falls
SuborderAraneomorphae
Smith, 1902
True Spiders		2
3
3		Families
Genera
Species
Taxom



Araneae (Clerck 1757)
Araneae (Clerck 1757)


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