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Checklist for Infraclass Megoperculata Börner, 1902
and region Steamboat Springs (Routt County, Colorado, USA)


Class
 		Arachnida
Lamarck, 1801
Arachnids		4
4
4		Families
Genera
Species		 
Taxom
 

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

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


List of families for Steamboat Springs
3 Families width 3 Species
Gnaphosidae (Pocock, 1898)Flat-bellied ground spiders1SpeciesTaxom
Lycosidae (Lehtinen & H..., 1979)Ground Spiders1SpeciesTaxom
Theridiidae (Sundevall, 1833)Cobweb And Widow Spiders1SpeciesTaxom


Genera for Steamboat Springs
3 Genera with 3 Species
Haplodrassus Chamberlin, 18391SpeciesTaxom
Pardosa C. L. Koch, 1872Thin-legged Wolf Spider1SpeciesTaxom
Steatoda Sundevall, 1901False black widows1SpeciesTaxom


Species list for Steamboat Springs
3 Species
Haplodrassus signifer (C. L. Koch, 1839)⇒ Haplodrassus pugnans Simon, 1880
Pardosa groenlandica (Thorell, 1872)⇒ Pardosa dromaea Tord Tamerla..., 1878
Steatoda grandis (Richard C. B..., 1901)⇒ Steatoda mexicana Herbert Walt..., 1957

Subnodes of Megoperculata with occurrences in Steamboat Springs
OrderAraneae
Clerck, 1757
Spider, Spiders, True Spiders		3
3
3		Families
Genera
Species
Taxom