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Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Northfield (Cook County, Illinois, USA)


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


List of families for Northfield (Cook County Illinois)
7 Families width 9 Species
Corinnidae Karsch, 1880Ant-like Sac Spiders2SpeciesTaxom
Blattisociidae Garman, 19481SpeciesTaxom
Linyphiidae Blackwall, 1859Dwarf spiders1SpeciesTaxom
Miturgidae Simon, 1885Long-legged sac spiders1SpeciesTaxom
Pisauridae (Simon, 1890)Big wolf spider1SpeciesTaxom
Salticidae Blackwall, 1842Jumping Spider2SpeciesTaxom
Tetragnathidae Menge, 1866Elongated Orb Weavers1SpeciesTaxom


Genera for Northfield (Cook County Illinois)
9 Genera with 9 Species
Apochinomma Pavesi, 18961SpeciesTaxom
Blattisocius Keegan, 19181SpeciesTaxom
Ceraticelus Simon, 18821SpeciesTaxom
Cheiracanthium C. L. Koch, 1864Longlegged sac spiders1SpeciesTaxom
Dolomedes Latreille, 1844Dock spiders1SpeciesTaxom
Eris C. L. Koch, 18451SpeciesTaxom
Phidippus C. L. Koch, 18851SpeciesTaxom
Scotinella Banks, 19411SpeciesTaxom
Tetragnatha Latreille, 1884Four-jawed spider1SpeciesTaxom


Species list for Northfield (Cook County Illinois)
9 Species
Apochinomma formica Eugène Simon, 1896
Blattisocius tarsalis Berlese, 1918Mite
Ceraticelus bulbosus James Henry ..., 1882
Cheiracanthium mildei L. Koch, 1864North Yellow Sac Spider
Dolomedes tenebrosus (Nicholas Mar..., 1844)⇒ Dolomedes vittatus Charles Atha..., 1837
Eris militaris Nicholas Mar..., 1845Bronze jumper
Phidippus clarus Keyserling, 1885Brilliant Jumping Spider
Scotinella divesta Willis J. Ge..., 1941
Tetragnatha straminea Emerton, 1884

Subnodes of Arachnida with occurrences in Northfield (Cook County Illinois)
SubclassMicrura
Ehrenberg, 1831
7
9
9		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