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Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Worcester (Worcester County, Massachusetts, USA)


Class
 		Arachnida
Lamarck, 1801
Arachnids		6
7
3		Families
Genera
Species		 
Taxom
 


List of families for Worcester (Worcester County Massachusetts)
6 Families width 3 Species
Theridiidae Sundevall, 1833Cobweb And Widow Spiders0SpeciesTaxom
Araneidae Simon, 1895Golden orb web spiders1SpeciesTaxom
Ixodidae (C. L. Koch, 1844)Hard Tick1SpeciesTaxom
Tetragnathidae Menge, 1866Elongated Orb Weavers0SpeciesTaxom
Phalangiidae Latreille, 1802Daddy-Long-Legs1SpeciesTaxom
Philodromidae Thorell, 1870False crab spiders0SpeciesTaxom


Genera for Worcester (Worcester County Massachusetts)
7 Genera with 3 Species
Achaearanea Strand, 1929
0SpeciesTaxom
Argiope Audouin, 1775Garden orbweavers1SpeciesTaxom
Ixodes Latreille, 18691SpeciesTaxom
Latrodectus Walckenaer, 1805
Black widow spider0SpeciesTaxom
Leucauge White, 1841
Orchard Spider And Allies0SpeciesTaxom
Opilio Herbst, 17781SpeciesTaxom
Philodromus Walckenaer, 1826
Running Crab Spider0SpeciesTaxom


Species list for Worcester (Worcester County Massachusetts)
3 Species
Argiope trifasciata Forsskål, 1775Banded Argiope
Ixodes cookei (Packard, 1869)⇒ Ixodes conepati Cooley & Kohls, 1943
Opilio parietinus De Geer, 1778

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

SubclassMicrura
Ehrenberg, 1831
5
6
2		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