Checklist for Class Arachnida Lamarck, 1801 (Arachnids) and region Marin County (California, USA)
List of families for Marin County 37 Families width 33 Species and 1 Subspecies #EPALDSTGNOHIBMVRCZ
| Eriophyidae Nalepa, 1898 | Blister mites | 1 | Species | Taxom | | Phytoseiidae Berlese, 1916 | Phytoseiid mites | 1 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 3 | Species | Taxom | | Leptonetidae Simon, 1890 | Cave spiders | 1 | Species | Taxom | | Ascidae Oudemans, 1905 | | 0 | Species | Taxom | | Diptilomiopidae Boczek, 1964 | | 0 | Species | Taxom | | Syarinidae Chamberlin, 1930 | | 0 | Species | Taxom | | Schizogyniidae Trägårdh, 1950 | | 1 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 2 | Species | Taxom | | Amblyommidae (Banks, 1907) | | 3 | Species | Taxom | | Gnaphosidae (Pocock, 1898) | Flat-bellied ground spiders | 5 | Species | Taxom | | Ameroseiidae Evans, 1961 | | 0 | Species | Taxom | | Eremobatidae Kraepelin, 1899 | | 1 | Species | Taxom | | Eupalopsellidae Willmann, 1952 | | 0 | Species | Taxom | | Neobisiidae Chamberlin, 1930 | | 1 | Species | Taxom | | Laelapidae Berlese, 1892 | | 1 | Species | Taxom | | Ologamasidae Ryke, 1962 | | 1 | Species | Taxom | | Harpirhynchidae Dubinin, 1957 | | 2 | Species | Taxom | | Ixodidae (C. L. Koch, 1844) | Hard Tick | 1 | Species | Taxom | | Blattisociidae Garman, 1948 | | 0 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 2 | Species | Taxom | | Tetranychidae Donnadieu, 1875 | Spider mites | 1 | Species | Taxom | | Pachylaelapidae Berlese, 1913 | | 0 | Species | Taxom | | Parasitidae Oudemans, 1901 | Beetle Mites | 0 | Species | Taxom | | Melicharidae Hirschmann, 1962 | | 0 | Species | Taxom | | Sclerosomatidae Simon, 1879 | Sclerosomatid Harvestmen | 0 | Species | Taxom | | Vaejovidae Thorell, 1876 | | 1 | Species | Taxom | | Raphignathidae Kramer, 1877 | | 0 | Species | Taxom | | Sabaconidae Dresco, 1970 | Sabaconid Harvestmen | 1 | Species | Taxom | | Phalangodidae Simon, 1879 | | 0 | Species | Taxom | | Sejidae Berlese, 1885 | | 1 | Species | Taxom | | Stigmaeidae Wood, 1967 | | 1 | Species | Taxom | | Terpnacaridae Grandjean, 1939 | | 0 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 1 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 1 | Species | Taxom | | Veigaiidae Oudemans, 1939 | | 0 | Species | Taxom | | Zerconidae Berlese, 1892 | | 0 | Species | Taxom |
Genera for Marin County 48 Genera with 33 Species #ACDEFGHILMOPRSTUVXZ
| Aceria Keifer, 1943 | | 1 | Species | Taxom | | Amblyseius Berlese, 1959 | | 1 | Species | Taxom | | Araneus Clerck, 1951 | Angulate & roundshouldered orbweavers | 1 | Species | Taxom | | Archoleptoneta Gertsch, 1974 | | 1 | Species | Taxom | Asca von Heyden, 1826 | | 0 | Species | Taxom | Asetacus Keifer, 1952 | | 0 | Species | Taxom | Chitrella Beier, 1932 | | 0 | Species | Taxom | | Choriarchus Kinn, 1966 | | 1 | Species | Taxom | | Coriarachne Thorell, 1893 | | 1 | Species | Taxom | | Dermacentor Koch, 1821 | Dog Ticks | 2 | Species | Taxom | | Drassodes Westring, 1976 | | 1 | Species | Taxom | | Drassyllus Chamberlin, 1900 | | 1 | Species | Taxom | Epicriopsis Berlese, 1916 | | 0 | Species | Taxom | | Eremobates Banks, 1988 | | 1 | Species | Taxom | Eupalopsellus Sellnick, 1949 | | 0 | Species | Taxom | Fissilicreagris Curcic, 1984 | | 0 | Species | Taxom | | Gaeolaelaps Evans & Till, 1883 | | 1 | Species | Taxom | | Gamasiphis Berlese, 1913 | | 1 | Species | Taxom | | Harpirhynchus Megnin, 1911 | | 1 | Species | Taxom | | Harpyrhynchoides Fain, 1994 | | 1 | Species | Taxom | | Ixodes Latreille, 1899 | | 1 | Species | Taxom | Lasioseius Berlese, 1916 | | 0 | Species | Taxom | | Latrodectus Walckenaer, 1775 | Black widow spider | 1 | Species | Taxom | | Melychiopharis Simon, 1895 | | 1 | Species | Taxom | | Metepeira F. O. P.-Cam..., 1903 | | 2 | Species | Taxom | | Microcreagris Balzan, 1930 | | 1 | Species | Taxom | | Oligonychus Berlese, 1950 | | 1 | Species | Taxom | Onchodellus Berlese, 1904 | | 0 | Species | Taxom | Pergamasus Berlese, 1903 | | 0 | Species | Taxom | Proctolaelaps Berlese, 1923 | | 0 | Species | Taxom | Protolophus Banks, 1893 | | 0 | Species | Taxom | | Pseudouroctonus Stahnke, 1972 | | 1 | Species | Taxom | Raphignathus Dugès, 1834 | | 0 | Species | Taxom | | Rhipicephalus Ziemanni Neu..., 1806 | | 1 | Species | Taxom | | Sabacon Simon, 1975 | | 1 | Species | Taxom | Scotolemon Lucas, 1860 | | 0 | Species | Taxom | | Scotophaeus Simon, 1871 | | 1 | Species | Taxom | | Sejus Koch, 1902 | | 1 | Species | Taxom | | Sergiolus Simon, 1890 | | 1 | Species | Taxom | | Stigmaeus Koch, 1962 | | 1 | Species | Taxom | Terpnacarus Grandjean, 1939 | | 0 | Species | Taxom | | Tetragnatha Latreille, 1878 | Four-jawed spider | 1 | Species | Taxom | | Utivarachna Kishida, 2001 | | 1 | Species | Taxom | Vaejovis Koch, 1836 | | 0 | Species | Taxom | Veigaia Oudemans, 1905 | | 0 | Species | Taxom | | Xysticus Koch, 1880 | Ground Crab Spider | 1 | Species | Taxom | | Zelotes Gistel, 1866 | | 1 | Species | Taxom | Zercon C.L.Koch, 1836 | | 0 | Species | Taxom |
Species list for Marin County 33 Species and 1 Subspecies | Aceria anserina Liro, 1943 | | | Amblyseius schusteri Chant, 1959 | | | Araneus andrewsi Archer, 1951 | | | Archoleptoneta schusteri Willis J. Ge..., 1974 | | | Choriarchus reginus Kinn, 1966 | | | Coriarachne brunneipes Richard C. B..., 1893 | | | Dermacentor occidentalis Marx, 1892 | Net tick | | Dermacentor variabilis Say, 1821 | American dog tick | | Drassodes angulus Platnick & S..., 1976 | | | Drassyllus insularis Banks, 1900 | | | Eremobates otavonae Muma & Brook..., 1988 | | | Gaeolaelaps aculeifer Canestrini, 1883 | Mite | | Gamasiphis gamasellus Berlese, 1913 | | | Harpirhynchus brevis Ewing, 1911 | | | Harpyrhynchoides zumpti Fain, 1972 R..., 1994 | | | Ixodes angustus (Neumann, 1899) | ⇒ Ixodes woodi Bishopp, 1911 | | Latrodectus mactans (Fabricius, 1775) | ⇒ Latrodectus tredecimguttatus Rossi, 1790 | | Melychiopharis cynips Eugène Simon, 1895 | | | Metepeira gosoga Ralph Vary C..., 1935 | | | Metepeira spinipes Frederick Oc..., 1903 | | | Microcreagris sequoiae Chamberlin, 1930 | Argus desertsnail | | Oligonychus (Wainsteiniella) subnudus McGregor, 1950 | | | Pseudouroctonus glimmei Hjelle, 1972 | | | Rhipicephalus (Rhipicephalus) sanguineus (Latreille, 1806) | ⇒ Rhipicephalus sanguineus Latreille, 1806 | | Sabacon briggsi Shear, 1975 | | | Scotophaeus blackwalli (Thorell, 1871) | ⇒ Scotophaeus peninsularis Carl Friedri..., 1928 | | Sejus americanus Banks, 1902 | | | Sergiolus montanus Emerton, 1890 | | | Stigmaeus clitellus Summers, 1962 | | | Tetragnatha trichodes trichodes Thorell, 1878 | | | Utivarachna ichneumon Christa L. D..., 2001 | | | Xysticus locuples Eugen von Ke..., 1880 | | | Zelotes tenuis (Carl Ludwig ..., 1866) | ⇒ Zelotes fulvaster Eugène Simon, 1878 |
Subnodes of Arachnida with occurrences in 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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