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Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region San Ramon (Contra Costa County, California, USA)


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


List of families for San Ramon (Contra Costa County)
2 Families width 2 Species
Tenuipalpidae Berlese, 1913False spider mites1SpeciesTaxom
Ereynetidae Schrank, 17761SpeciesTaxom


Genera for San Ramon (Contra Costa County)
2 Genera with 2 Species
Brevipalpus Donnadieu, 19491SpeciesTaxom
Hydranetes Kethley, 19711SpeciesTaxom


Species list for San Ramon (Contra Costa County)
2 Species
Brevipalpus pini Baker, 1949
Hydranetes tropisternus Kethley, 1971

Subnodes of Arachnida with occurrences in San Ramon (Contra Costa County)
SubclassMicrura
Ehrenberg, 1831
2
2
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