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Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Lawrence (Washington County, Pennsylvania, USA)


Class
 		Arachnida
Lamarck, 1801
Arachnids		4
5
2		Families
Genera
Species		 
Taxom
 


List of families for Lawrence (Washington County Pennsylvania)
4 Families width 2 Species
Eviphididae Berlese, 19131SpeciesTaxom
Blattisociidae Garman, 19481SpeciesTaxom
Trombiculidae Ewing, 1929Chigger mites0SpeciesTaxom
Tetranychidae Donnadieu, 1875Spider mites0SpeciesTaxom


Genera for Lawrence (Washington County Pennsylvania)
5 Genera with 2 Species
Alliphis Halbert, 19761SpeciesTaxom
Blattisocius Keegan, 19471SpeciesTaxom
Eutrombicula Ewing, 1938
0SpeciesTaxom
Tetranychus Dufour, 1832
0SpeciesTaxom
Trombicula Berlese, 1905
0SpeciesTaxom


Species list for Lawrence (Washington County Pennsylvania)
2 Species
Alliphis megalodacne Potter & Joh..., 1976
Blattisocius keegani Fox, 1947Mite

Subnodes of Arachnida with occurrences in Lawrence (Washington County Pennsylvania)
SubclassMicrura
Ehrenberg, 1831
4
5
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