Checklist for Class Arachnida Lamarck, 1801 (Arachnids) and region San Rafael (Marin County, California, USA)
List of families for San Rafael (Marin County) 8 Families width 12 Species
Genera for San Rafael (Marin County) 14 Genera with 12 Species | Araneus Clerck, 1951 | Angulate & roundshouldered orbweavers | 1 | Species | Taxom | | Dermacentor Koch, 1821 | Dog Ticks | 2 | Species | Taxom | | Drassodes Westring, 1976 | | 1 | Species | Taxom | | Drassyllus Chamberlin, 1900 | | 1 | Species | Taxom | Eupalopsellus Sellnick, 1949 | | 0 | Species | Taxom | | Latrodectus Walckenaer, 1775 | Black widow spider | 1 | Species | Taxom | | Melychiopharis Simon, 1895 | | 1 | Species | Taxom | | Metepeira F. O. P.-Cam..., 1903 | | 1 | Species | Taxom | Raphignathus Dugès, 1834 | | 0 | Species | Taxom | | Rhipicephalus Ziemanni Neu..., 1806 | | 1 | Species | Taxom | | Scotophaeus Simon, 1871 | | 1 | Species | Taxom | | Utivarachna Kishida, 2001 | | 1 | Species | Taxom | Vaejovis Koch, 1836 | | 0 | Species | Taxom | | Zelotes Gistel, 1866 | | 1 | Species | Taxom |
Species list for San Rafael (Marin County) 12 Species | Araneus andrewsi Archer, 1951 | | | Dermacentor occidentalis Marx, 1892 | Net tick | | Dermacentor variabilis Say, 1821 | American dog tick | | Drassodes angulus Platnick & S..., 1976 | | | Drassyllus insularis Banks, 1900 | | | Latrodectus mactans (Fabricius, 1775) | ⇒ Latrodectus tredecimguttatus Rossi, 1790 | | Melychiopharis cynips Eugène Simon, 1895 | | | Metepeira spinipes Frederick Oc..., 1903 | | | Rhipicephalus (Rhipicephalus) sanguineus (Latreille, 1806) | ⇒ Rhipicephalus sanguineus Latreille, 1806 | | Scotophaeus blackwalli (Thorell, 1871) | ⇒ Scotophaeus peninsularis Carl Friedri..., 1928 | | Utivarachna ichneumon Christa L. D..., 2001 | | | Zelotes tenuis (Carl Ludwig ..., 1866) | ⇒ Zelotes fulvaster Eugène Simon, 1878 |
Subnodes of Arachnida with occurrences in San Rafael (Marin County)
 | | 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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