Checklist for Class Arachnida Lamarck, 1801 (Arachnids) and region Grass Valley (Nevada County, California, USA)
List of families for Grass Valley 9 Families width 9 Species
Genera for Grass Valley 17 Genera with 9 Species | Apochinomma Pavesi, 1896 | | 1 | Species | Taxom | Caligonella Berlese, 1910 | | 0 | Species | Taxom | Cheyletia Haller, 1884 | | 0 | Species | Taxom | Cheyletus Latreille, 1796 | | 0 | Species | Taxom | Coptocheles Summers & Sc..., 1955 | | 0 | Species | Taxom | | Cryptognathus Kramer, 1965 | | 1 | Species | Taxom | | Dermacentor Koch, 1821 | Dog Ticks | 1 | Species | Taxom | | Eustigmaeus Berlese, 1889 | | 1 | Species | Taxom | Ledermuelleria Oudemans, 1923 | | 0 | Species | Taxom | | Mecaphesa Simon, 1877 | | 1 | Species | Taxom | Molothrognathus Summers & Sc..., 1955 | | 0 | Species | Taxom | Neoeucheyla Radford, 1950 | | 0 | Species | Taxom | Neognathus Willmann, 1952 | | 0 | Species | Taxom | | Oligonychus Berlese, 1905 | | 1 | Species | Taxom | | Petrobia Murray, 1776 | | 1 | Species | Taxom | | Raphignathus Dugès, 1989 | | 1 | Species | Taxom | | Stigmaeus Koch, 1962 | | 1 | Species | Taxom |
Species list for Grass Valley 9 Species | Apochinomma formica Eugène Simon, 1896 | | | Cryptognathus aureatus Summers & Ch..., 1965 | | | Dermacentor variabilis Say, 1821 | American dog tick | | Eustigmaeus anauniensis Canestrini, 1889 | | | Mecaphesa lepida Tord Tamerla..., 1877 | | | Oligonychus (Oligonychus) ununguis Jacobi, 1905 | Common conifer spider mite | | Petrobia (Petrobia) latens Muller, 1776 | Brown wheat mite | | Raphignathus gracilis Rack, 1962 R..., 1989 | | | Stigmaeus raneyi Summers, 1962 | |
Subnodes of Arachnida with occurrences in Grass Valley
 | | 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
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