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Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Greenwich (Berks County, Pennsylvania, USA)


Class
 		Arachnida
Lamarck, 1801
Arachnids		7
9
9		Families
Genera
Species		 
Taxom
 


List of families for Greenwich (Berks County)
7 Families width 9 Species
Araneidae Simon, 1895Golden orb web spiders3SpeciesTaxom
Amaurobiidae Thorell, 1870Amaurobiids1SpeciesTaxom
Chthoniidae Daday, 18881SpeciesTaxom
Salticidae Blackwall, 1842Jumping Spider1SpeciesTaxom
Linyphiidae Blackwall, 1859Dwarf spiders1SpeciesTaxom
Thomisidae Sundevall, 1833Crab Spider1SpeciesTaxom
Theridiidae Sundevall, 1833Cobweb And Widow Spiders1SpeciesTaxom


Genera for Greenwich (Berks County)
9 Genera with 9 Species
Araneus Clerck, 1847Angulate & roundshouldered orbweavers1SpeciesTaxom
Callobius Chamberlin, 1846Hacklemesh Weaver1SpeciesTaxom
Chthonius Koch, 17901SpeciesTaxom
Eris C. L. Koch, 18451SpeciesTaxom
Hypselistes Simon, 18751SpeciesTaxom
Hypsosinga Ausserer, 18311SpeciesTaxom
Misumena Latreille, 1758Flower crab spiders1SpeciesTaxom
Neoscona Simon, 1842Spotted orbweavers1SpeciesTaxom
Steatoda Sundevall, 1838False black widows1SpeciesTaxom


Species list for Greenwich (Berks County)
9 Species
Araneus trifolium Hentz, 1847Shamrock orbweaver
Callobius bennetti Blackwall, 1846Bennett'S Laceweaver
Chthonius (Ephippiochthonius) tetrachelatus Preyssler, 1790Dimple-clawed Chthonid
Eris militaris Nicholas Mar..., 1845Bronze jumper
Hypselistes florens Octavius Pic..., 1875Peatland Sheetweb Weaver
Hypsosinga pygmaea Sundevall, 1831
Misumena vatia Clerck, 1758Crab Spider
Neoscona arabesca Walckenaer, 1842Arabesque orbweaver
Steatoda grossa C. L. Koch, 1838Brown house spider

Subnodes of Arachnida with occurrences in Greenwich (Berks County)
SubclassDromopoda
Shultz, 1990
1
1
1		Family
Genus
Species
Taxom

SubclassMicrura
Ehrenberg, 1831
6
8
8		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