Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Canyon (Contra Costa County, California, USA)
List of families for Canyon (Contra Costa County)
12 Families width 25 Species and 1 Subspecies | Araneidae Simon, 1895 | Golden orb web spiders | 5 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 3 | Species | Taxom | | Lycosidae (Lehtinen & H..., 1979) | Ground Spiders | 2 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 2 | Species | Taxom | | Johnstonianidae Thor, 1935 | | 1 | Species | Taxom | | Theridiidae (Sundevall, 1833) | Cobweb And Widow Spiders | 1 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 5 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 1 | Species | Taxom | | Mecicobothriidae Holmberg, 1882 | Dwarf tarantula | 1 | Species | Taxom | | Salticidae (Blackwall, 1842) | Jumping Spider | 1 | Species | Taxom | | Tengellidae Dahl, 1908 | Tengellid spiders | 1 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 2 | Species | Taxom |
Genera for Canyon (Contra Costa County)
21 Genera with 25 Species #ACDGMNPSTUZ
| Aculepeira Chamberlin &..., 1875 | | 1 | Species | Taxom | | Agyneta Hull, 1919 | | 1 | Species | Taxom | | Alopecosa Simon, 1758 | Fox spiders | 1 | Species | Taxom | | Apochinomma Pavesi, 1896 | | 1 | Species | Taxom | | Araneus Clerck, 1847 | Angulate & roundshouldered orbweavers | 3 | Species | Taxom | | Centrotrombidium Kramer, 1957 | | 1 | Species | Taxom | | Cyclosa Menge, 1772 | Three-lobed Spiders | 1 | Species | Taxom | | Dipoena Thorell, 1882 | | 1 | Species | Taxom | | Drassyllus Chamberlin, 1922 | | 1 | Species | Taxom | | Dysdera Latreille, 1910 | | 1 | Species | Taxom | | Gnaphosa Latreille, 1866 | | 1 | Species | Taxom | | Megahexura Kaston, 1919 | | 1 | Species | Taxom | | Myrmarachne MacLeay, 1980 | Antmimicking spider | 1 | Species | Taxom | | Neriene Blackwall, 1886 | | 1 | Species | Taxom | | Pardosa C. L. Koch, 1885 | Thin-legged Wolf Spider | 1 | Species | Taxom | | Pityohyphantes Simon, 1943 | Hammock Spiders | 1 | Species | Taxom | | Sergiolus Simon, 1890 | | 1 | Species | Taxom | | Socalchemmis Platnick & U..., 1919 | | 1 | Species | Taxom | | Tetragnatha Latreille, 1842 | Four-jawed spider | 2 | Species | Taxom | | Utivarachna Kishida, 2001 | | 1 | Species | Taxom | | Zelotes Gistel, 1922 | | 2 | Species | Taxom |
Species list for Canyon (Contra Costa County)
25 Species and 1 Subspecies | Aculepeira packardi Thorell, 1875 | | | Agyneta fillmorana Chamberlin, 1919 | | | Alopecosa aculeata Clerck, 1758 | | | Apochinomma formica Eugène Simon, 1896 | | | Araneus nordmanni Thorell, 1870 | Nordmann'S Orbweaver | | Araneus saevus L. Koch, 1872 | Fierce Orbweaver | | Araneus trifolium Hentz, 1847 | Shamrock orbweaver | | Centrotrombidium culicoides Vercammen-Gr..., 1957 | | | Cyclosa conica Pallas, 1772 | Conical Trashline Orbweaver | | Dipoena nigra (James Henry ..., 1882) | ⇒ Theridula nigerrima Alexander Pe..., 1911 | | Drassyllus orgilus (Chamberlin, 1922) | ⇒ Drassyllus dromeus Chamberlin, 1922 | | Dysdera nomada Eugène Simon, 1910 | Stocky cerith | | Gnaphosa muscorum (Carl Ludwig ..., 1866) | ⇒ Gnaphosa similis KulczyÅ„ski, 1926 | | Megahexura fulva Chamberlin, 1919 | | | Myrmarachne platypalpus (Bradoo, 1980) | ⇒ Myrmarachne platypalpa Bradoo, 1980 | | Neriene digna Eugen von Ke..., 1886 | | | Pardosa lapidicina (James Henry ..., 1885) | ⇒ Pardosa mercurialis M. E. Montgo..., 1904 | | Pityohyphantes subarcticus Ralph Vary C..., 1943 | Maricopa harvester ant | | Sergiolus montanus Emerton, 1890 | | | Socalchemmis dolichopus Ralph Vary C..., 1919 | | | Tetragnatha trichodes trichodes Thorell, 1878 | | | Tetragnatha versicolor Walckenaer, 1842 | | | Utivarachna ichneumon Christa L. D..., 2001 | | | Zelotes fratris Chamberlin, 1920 | | | Zelotes puritanus Chamberlin, 1922 | |
Subnodes of Arachnida with occurrences in Canyon (Contra Costa 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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