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Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Winfield (Butler County, Pennsylvania, USA)


Class
 		Arachnida
Lamarck, 1801
Arachnids		1
1
1		Family
Genus
Species		 
Taxom
 


List of families for Winfield (Butler County Pennsylvania)
1 Family width 1 Species
Araneidae Simon, 1895Golden orb web spiders1SpeciesTaxom


Genera for Winfield (Butler County Pennsylvania)
1 Genera with 1 Species
Araneus Clerck, 1872Angulate & roundshouldered orbweavers1SpeciesTaxom


Species list for Winfield (Butler County Pennsylvania)
1 Species
Araneus saevus L. Koch, 1872Fierce Orbweaver

Subnodes of Arachnida with occurrences in Winfield (Butler County Pennsylvania)
SubclassMicrura
Ehrenberg, 1831
1
1
1		Family
Genus
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