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Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Frederick (Montgomery County, Pennsylvania, USA)


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


List of families for Frederick (Pennsylvania)
4 Families width 3 Species
Ascidae Oudemans, 19050SpeciesTaxom
Miturgidae Simon, 1885Long-legged sac spiders1SpeciesTaxom
Travuniidae Absolon & Kr..., 19321SpeciesTaxom
Acaridae Latreille, 1802Acarid mites1SpeciesTaxom


Genera for Frederick (Pennsylvania)
4 Genera with 3 Species
Asca von Heyden, 1826
0SpeciesTaxom
Cheiracanthium C. L. Koch, 1864Longlegged sac spiders1SpeciesTaxom
Erebomaster Cope, 19241SpeciesTaxom
Tyrophagus Oudemans, 17811SpeciesTaxom


Species list for Frederick (Pennsylvania)
3 Species
Cheiracanthium mildei L. Koch, 1864North Yellow Sac Spider
Erebomaster acanthinus Crosby & Bishop, 1924Cobweb milkvetch
Tyrophagus (Tyrophagus) putrescentiae Schrank, 1781Cereal mite

Subnodes of Arachnida with occurrences in Frederick (Pennsylvania)
SubclassDromopoda
Shultz, 1990
1
1
1		Family
Genus
Species
Taxom

SubclassMicrura
Ehrenberg, 1831
3
3
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