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


Class
 		Arachnida
Lamarck, 1801
Arachnids		8
9
10		Families
Genera
Species		 
Taxom
 


List of families for Groton (Middlesex County Massachusetts)
8 Families width 10 Species
Cheliferidae Risso, 18261SpeciesTaxom
Chthoniidae Daday, 18881SpeciesTaxom
Ixodidae (C. L. Koch, 1844)Hard Tick2SpeciesTaxom
Hahniidae Bertkau, 1878Dwarf sheet spiders1SpeciesTaxom
Sclerosomatidae Simon, 1879Sclerosomatid Harvestmen1SpeciesTaxom
Theridiidae Sundevall, 1833Cobweb And Widow Spiders1SpeciesTaxom
Corinnidae Karsch, 1880Ant-like Sac Spiders2SpeciesTaxom
Linyphiidae Blackwall, 1859Dwarf spiders1SpeciesTaxom


Genera for Groton (Middlesex County Massachusetts)
9 Genera with 10 Species
Chelifer Geoffroy, 17581SpeciesTaxom
Chthonius Koch, 18041SpeciesTaxom
Haemaphysalis Koch, 18691SpeciesTaxom
Hahnia C. L. Koch, 18901SpeciesTaxom
Ixodes Latreille, 19371SpeciesTaxom
Leiobunum C. L. Koch, 1868Daddy Long Leg Spiders1SpeciesTaxom
Parasteatoda Archer, 1841Comb-Clawed Spider1SpeciesTaxom
Phrurotimpus Chamberlin &..., 18922SpeciesTaxom
Walckenaeria Blackwall, 18821SpeciesTaxom


Species list for Groton (Middlesex County Massachusetts)
10 Species
Chelifer cancroides Linnaeus, 1758Book pseudoscorpion
Chthonius (Chthonius) ischnocheles Hermann, 1804Common Chthonid
Haemaphysalis leporispalustris Packard, 1869Grouse tick
Hahnia cinerea James Henry ..., 1890
Ixodes muris (Bishopp & Smith, 1937)⇒ Ixodes scapularis Say, 1821
Leiobunum maculosus Wood, 1868
Parasteatoda tepidariorum C. L. Koch, 1841American house false widow spider
Phrurotimpus borealis James Henry ..., 1911Greater Ant-Mimic Corinne Spider
Phrurotimpus minutus Richard C. B..., 1892
Walckenaeria pallida James Henry ..., 1882

Subnodes of Arachnida with occurrences in Groton (Middlesex County Massachusetts)
SubclassDromopoda
Shultz, 1990
3
3
3		Families
Genera
Species
Taxom

SubclassMicrura
Ehrenberg, 1831
5
6
7		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