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Checklist for Suborder Araneomorphae Smith, 1902 (True Spiders)
and region Twin Lakes (Calhoun County, Iowa, USA)


Class
 		Arachnida
Lamarck, 1801
Arachnids		9
9
12		Families
Genera
Species		 
Taxom
 

Subclass
 		Micrura
Ehrenberg, 1831
7
7
9		Families
Genera
Species		 
Taxom
 

Infraclass
 		Megoperculata
Börner, 1902
6
6
8		Families
Genera
Species		 
Taxom
 

Order
 		Araneae
Clerck, 1757
Spider, Spiders, True Spiders		6
6
8		Families
Genera
Species		 
Taxom
 

Suborder
 		Araneomorphae
Smith, 1902
True Spiders		6
6
8		Families
Genera
Species		 
Taxom
 


List of families for Twin Lakes (Iowa)
6 Families width 8 Species
Lycosidae Lehtinen & H..., 1979Ground Spiders1SpeciesTaxom
Dysderidae C. L. Koch, 1837Dysderid spiders2SpeciesTaxom
Gnaphosidae (Pocock, 1898)Flat-bellied ground spiders1SpeciesTaxom
Araneidae Simon, 1895Golden orb web spiders2SpeciesTaxom
Linyphiidae Blackwall, 1859Dwarf spiders1SpeciesTaxom
Tetragnathidae Menge, 1866Elongated Orb Weavers1SpeciesTaxom


Genera for Twin Lakes (Iowa)
6 Genera with 8 Species
Alopecosa Simon, 1877Fox spiders1SpeciesTaxom
Dysdera Latreille, 20012SpeciesTaxom
Haplodrassus Chamberlin, 18391SpeciesTaxom
Larinioides Caporiacco, 1758Furrow spiders2SpeciesTaxom
Tapinocyba Simon, 19131SpeciesTaxom
Tetragnatha Latreille, 1842Four-jawed spider1SpeciesTaxom


Species list for Twin Lakes (Iowa)
8 Species
Alopecosa kochi Keyserling, 1877
Dysdera nomada Eugène Simon, 1910Stocky cerith
Dysdera pristiphora Carlo Pesarini, 2001
Haplodrassus signifer (C. L. Koch, 1839)⇒ Haplodrassus pugnans Simon, 1880
Larinioides cornutus Clerck, 1758Furrow orb spider
Larinioides patagiatus Clerck, 1758Ornamental Orbweaver
Tapinocyba bicarinata James Henry ..., 1913
Tetragnatha versicolor Walckenaer, 1842

Subnodes of Araneomorphae with occurrences in Twin Lakes (Iowa)
InfraorderAraneomorphi
Smith, 1902
6
6
8		Families
Genera
Species
Taxom



Links, sources and further information
Araneomorphae at artfakta.se
Araneomorphae at biodiversity.org.au
Araneomorphae at dyntaxa.se