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Checklist for Superfamily Eresoidea Koch, 1851
and region Northwestern Illinois (Northern Illinois, Illinois, USA)


Class
 		Arachnida
Lamarck, 1801
Arachnids		92
274
562		Families
Genera
Species		 
Taxom
 

Subclass
 		Micrura
Ehrenberg, 1831
77
246
523		Families
Genera
Species		 
Taxom
 

Infraclass
 		Megoperculata
Börner, 1902
37
197
484		Families
Genera
Species		 
Taxom
 

Order
 		Araneae
Clerck, 1757
Spider, Spiders, True Spiders		36
196
483		Families
Genera
Species		 
Taxom
 

Suborder
 		Araneomorphae
Smith, 1902
True Spiders		33
192
469		Families
Genera
Species		 
Taxom
 

Infraorder
 		Araneomorphi
Smith, 1902
33
192
469		Families
Genera
Species		 
Taxom
 

Superfamily
 		Eresoidea
Koch, 1851
1
1
2		Family
Genus
Species		 
Taxom
 


List of families for Northwestern Illinois
1 Family width 2 Species
Oecobiidae Blackwall, 1862Disc web spider2SpeciesTaxom


Genera for Northwestern Illinois
1 Genera with 2 Species
Oecobius Lucas, 1859Wall spider2SpeciesTaxom


Species list for Northwestern Illinois
2 Species
Oecobius cellariorum Dugès, 1836
Oecobius navus Blackwall, 1859Disc web spiders

Subnodes of Eresoidea with occurrences in Northwestern Illinois
FamilyOecobiidae
Blackwall, 1862
disc web spider, Disc web spiders, Flat-mesh weavers, Flatmesh weavers, Starlegged Spiders, Wall spiders		1
2		Genus
Species
Taxom