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Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Steamboat Springs (Routt County, Colorado, USA)


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


List of families for Steamboat Springs
4 Families width 4 Species
Gnaphosidae (Pocock, 1898)Flat-bellied ground spiders1SpeciesTaxom
Chernetidae Menge, 18551SpeciesTaxom
Lycosidae (Lehtinen & H..., 1979)Ground Spiders1SpeciesTaxom
Theridiidae (Sundevall, 1833)Cobweb And Widow Spiders1SpeciesTaxom


Genera for Steamboat Springs
4 Genera with 4 Species
Haplodrassus Chamberlin, 18391SpeciesTaxom
Hesperochernes J. C. Chambe..., 19451SpeciesTaxom
Pardosa C. L. Koch, 1872Thin-legged Wolf Spider1SpeciesTaxom
Steatoda Sundevall, 1901False black widows1SpeciesTaxom


Species list for Steamboat Springs
4 Species
Haplodrassus signifer (C. L. Koch, 1839)⇒ Haplodrassus pugnans Simon, 1880
Hesperochernes canadensis Hoff, 1945Winged elm
Pardosa groenlandica (Thorell, 1872)⇒ Pardosa dromaea Tord Tamerla..., 1878
Steatoda grandis (Richard C. B..., 1901)⇒ Steatoda mexicana Herbert Walt..., 1957

Subnodes of Arachnida with occurrences in Steamboat Springs
SubclassDromopoda
Shultz, 1990
1
1
1		Family
Genus
Species
Taxom

SubclassMicrura
Ehrenberg, 1831
3
3
3		Families
Genera
Species
Taxom



Arachnida (Lamarck 1801)
Arachnida (Lamarck 1801)


Links, sources and further information
Arachnida at biolcoll.utu.fi
Arachnida at wiki.spinnen-forum.de
Arachnida at spiderling.de
Arachnida at wsc.nmbe.ch
Arachnida at artfakta.se
Arachnida at biodiversity.org.au
Arachnida at dyntaxa.se
Arachnida at gbif.org
Arachnida at irmng.org
Arachnida at itis.gov
Arachnida at marinespecies.org