Checklist for Class Arachnida Lamarck, 1801 (Arachnids) and region Williamstown (Glengarry County, Ontario, Canada)
List of families for Williamstown (Ontario) 11 Families width 12 Species | Araneidae Simon, 1895 | Golden orb web spiders | 1 | Species | Taxom | | Erythraeidae Oudemans, 1902 | | 0 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 1 | Species | Taxom | | Miturgidae Simon, 1885 | Long-legged sac spiders | 1 | Species | Taxom | | Clubionidae Wagner, 1887 | Clubiones | 1 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 1 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 2 | Species | Taxom | | Phalangiidae Latreille, 1802 | Daddy-Long-Legs | 1 | Species | Taxom | | Philodromidae Thorell, 1870 | False crab spiders | 1 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 1 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 2 | Species | Taxom |
Genera for Williamstown (Ontario) 12 Genera with 12 Species | Araniella Chamberlin &..., 1847 | Cucumber spiders | 1 | Species | Taxom | Balaustium von Heyden, 1826 | Concrete Mites | 0 | Species | Taxom | | Castianeira Keyserling, 1847 | Ant-Mimic Sac Spiders | 1 | Species | Taxom | | Cheiracanthium C. L. Koch, 1864 | Longlegged sac spiders | 1 | Species | Taxom | | Clubiona Latreille, 1896 | Leaf curling sac spiders | 1 | Species | Taxom | | Eris C. L. Koch, 1845 | | 1 | Species | Taxom | | Mermessus O. P.-Cambridge, 1882 | | 1 | Species | Taxom | | Oligolophus C. L. Koch, 1836 | | 1 | Species | Taxom | | Philodromus Walckenaer, 1880 | Running Crab Spider | 1 | Species | Taxom | | Piratula Roewer, 1885 | | 1 | Species | Taxom | | Tetragnatha Latreille, 1981 | Four-jawed spider | 2 | Species | Taxom | | Walckenaeria Blackwall, 1983 | | 1 | Species | Taxom |
Species list for Williamstown (Ontario) 12 Species | Araniella displicata Hentz, 1847 | Six-spotted orbweaver | | Castianeira longipalpa Nicholas Mar..., 1847 | | | Cheiracanthium mildei L. Koch, 1864 | North Yellow Sac Spider | | Clubiona moesta Richard C. B..., 1896 | | | Eris militaris Nicholas Mar..., 1845 | Bronze jumper | | Mermessus tridentatus James Henry ..., 1882 | Spider | | Oligolophus tridens C.L. Koch, 1836 | | | Philodromus praelustris Eugen von Ke..., 1880 | | | Piratula minuta James Henry ..., 1885 | | | Tetragnatha laboriosa Hentz, 1850 | Longjawed orb weavers | | Tetragnatha shoshone Herbert W. Levi, 1981 | | | Walckenaeria microspiralis Millidge, 1983 | |
Subnodes of Arachnida with occurrences in Williamstown (Ontario)
 | | 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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