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Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Hess (Harford County, Maryland, USA)


Class
 		Arachnida
Lamarck, 1801
Arachnids		4
7
7		Families
Genera
Species		 
Taxom
 


List of families for Hess (Harford County)
4 Families width 7 Species
Theridiidae Sundevall, 1833Cobweb And Widow Spiders3SpeciesTaxom
Sicariidae Keyserling, 1880Brown recluse spiders1SpeciesTaxom
Araneidae Simon, 1895Golden orb web spiders2SpeciesTaxom
Thomisidae Sundevall, 1833Crab Spider1SpeciesTaxom


Genera for Hess (Harford County)
7 Genera with 7 Species
Latrodectus Walckenaer, 1775Black widow spider1SpeciesTaxom
Loxosceles Heineken & Lowe, 1940Brown spiders1SpeciesTaxom
Micrathena Sundevall, 18051SpeciesTaxom
Neoscona Simon, 1838Spotted orbweavers1SpeciesTaxom
Parasteatoda Archer, 1841Comb-Clawed Spider1SpeciesTaxom
Steatoda Sundevall, 1850False black widows1SpeciesTaxom
Xysticus Koch, 1847Ground Crab Spider1SpeciesTaxom


Species list for Hess (Harford County)
7 Species
Latrodectus mactans (Fabricius, 1775)⇒ Latrodectus tredecimguttatus Rossi, 1790
Loxosceles reclusa Gertsch & Mu..., 1940Brown fiddler
Micrathena gracilis Charles Atha..., 1805Orb Weavers
Neoscona crucifera Lucas, 1838Barn spider
Parasteatoda tepidariorum C. L. Koch, 1841American house false widow spider
Steatoda borealis Nicholas Mar..., 1850Boreal Combfoot
Xysticus ferox Nicholas Mar..., 1847Tan Crab Spider

Subnodes of Arachnida with occurrences in Hess (Harford County)
SubclassMicrura
Ehrenberg, 1831
4
7
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