Checklist for Class Arachnida Lamarck, 1801 (Arachnids)
and region Northwestern Illinois (Northern Illinois, Illinois, USA)
List of families for Northwestern Illinois
92 Families width 562 Species and 4 Subspecies #ABCDEGHIJLMNOPSTUZ
| Acaridae Latreille, 1802 | Acarid mites | 0 | Species | Taxom | | Agelenidae C. L. Koch, 1837 | Agelenid Spiders | 11 | Species | Taxom | | Alloptidae Gaud, 1957 | | 1 | Species | Taxom | | Amaurobiidae Thorell, 1870 | Amaurobiids | 2 | Species | Taxom | | Amblyommidae Banks, 1907 | | 4 | Species | Taxom | | Anyphaenidae Bertkau, 1878 | Anyphaenid sac spiders | 4 | Species | Taxom | | Araneidae Simon, 1895 | Golden orb web spiders | 40 | Species | Taxom | | Architarbidae Karsch, 1882 | | 6 | Species | Taxom | | Argasidae C. L. Koch, 1844 | Soft tick | 1 | Species | Taxom | | Arrenuridae Thor, 1900 | | 0 | Species | Taxom | | Ascidae Oudemans, 1905 | | 1 | Species | Taxom | | Atypidae Thorell, 1870 | Atypical tarantulas | 2 | Species | Taxom | | Bothriuridae Simon, 1880 | | 1 | Species | Taxom | | Buthidae C. L. Koch, 1837 | Arrowbreasted scorpions | 3 | Species | Taxom | | Carabodidae Koch, 1837 | | 1 | Species | Taxom | | Cheliferidae Risso, 1826 | | 2 | Species | Taxom | | Chernetidae Menge, 1855 | | 1 | Species | Taxom | | Chthoniidae Daday, 1888 | | 1 | Species | Taxom | | Clubionidae Wagner, 1887 | Clubiones | 10 | Species | Taxom | | Cocceupodidae Jesionowska, 2010 | | 0 | Species | Taxom | | Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 24 | Species | Taxom | | Cosmetidae C. L. Koch, 1839 | | 2 | Species | Taxom | | Cunaxidae Thor, 1902 | Predatory Mites | 1 | Species | Taxom | | Curculioididae Cockerell, 1916 | | 1 | Species | Taxom | | Demodecidae Nicolet, 1855 | Follicle mites | 1 | Species | Taxom | | Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 19 | Species | Taxom | | Diplogyniidae Trägårdh, 1941 | | 0 | Species | Taxom | | Dysderidae C. L. Koch, 1837 | Dysderid spiders | 3 | Species | Taxom | | Eophrynidae Karsch, 1882 | | 1 | Species | Taxom | | Epilohmanniidae Oudemans, 1923 | | 1 | Species | Taxom | | Ereynetidae Schrank, 1776 | | 1 | Species | Taxom | | Eriophyidae Nalepa, 1898 | Blister mites | 2 | Species | Taxom | | Euphthiracaridae Jacot, 1930 | | 1 | Species | Taxom | | Eviphididae Berlese, 1913 | | 1 | Species | Taxom | | Geogarypidae Chamberlin, 1930 | | 2 | Species | Taxom | | Glycyphagidae De Geer, 1778 | | 0 | Species | Taxom | | Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 26 | Species | Taxom | | Hahniidae Bertkau, 1878 | Dwarf sheet spiders | 3 | Species | Taxom | | Histiostomatidae Berlese, 1897 | | 1 | Species | Taxom | | Hormuridae Laurie, 1896 | | 0 | Species | Taxom | | Hydrovolziidae Thor, 1905 | | 1 | Species | Taxom | | Hydryphantidae Piersig, 1896 | | 2 | Species | Taxom | | Ixodidae C. L. Koch, 1844 | Hard Tick | 5 | Species | Taxom | | Johnstonianidae Thor, 1935 | | 1 | Species | Taxom | | Labriscorpionidae (Kjellesvig-W..., 1986) | | 1 | Species | Taxom | | Laelapidae Berlese, 1892 | | 0 | Species | Taxom | | Leeuwenhoekiidae Womersley, 1944 | Chigger mites | 0 | Species | Taxom | | Limnesiidae Thor, 1900 | | 1 | Species | Taxom | | Linyphiidae Blackwall, 1859 | Dwarf spiders | 88 | Species | Taxom | | Liocranidae Simon, 1897 | Liocranid sac spiders | 2 | Species | Taxom | | Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 45 | Species | Taxom | | Macronyssidae Oudemans, 1936 | Macronyssid Mites | 2 | Species | Taxom | | Microtrombidiidae Womersley, 1936 | Micro velvet mites | 0 | Species | Taxom | | Mimetidae Simon, 1881 | Pirate spider | 3 | Species | Taxom | | Miturgidae Simon, 1885 | Long-legged sac spiders | 2 | Species | Taxom | | Myocoptidae Gunther, 1942 | | 0 | Species | Taxom | | Nemastomatidae Simon, 1872 | | 1 | Species | Taxom | | Neobisiidae Chamberlin, 1930 | | 1 | Species | Taxom | | Nesticidae Simon, 1894 | Cave cobweb spider | 1 | Species | Taxom | | Oecobiidae Blackwall, 1862 | Disc web spider | 2 | Species | Taxom | | Ologamasidae Ryke, 1962 | | 1 | Species | Taxom | | Oonopidae Simon, 1890 | Dwarf Cell Spiders | 1 | Species | Taxom | | Oxyopidae Thorell, 1870 | Lynx spiders | 2 | Species | Taxom | | Pachylaelapidae Berlese, 1913 | | 1 | Species | Taxom | | Parasitidae Oudemans, 1901 | Beetle Mites | 1 | Species | Taxom | | Phalangiidae Latreille, 1802 | Daddy-Long-Legs | 3 | Species | Taxom | | Philodromidae Thorell, 1870 | False crab spiders | 20 | Species | Taxom | | Pholcidae C. L. Koch, 1851 | Carpenter spider | 2 | Species | Taxom | | Pionidae Thor, 1900 | | 1 | Species | Taxom | | Pisauridae Simon, 1890 | Big wolf spider | 8 | Species | Taxom | | Podapolipidae Husband, 1990 | | 1 | Species | Taxom | | Polyaspididae Berlese, 1913 | | 0 | Species | Taxom | | Salticidae Blackwall, 1842 | Jumping Spider | 64 | Species | Taxom | | Sclerosomatidae Simon, 1879 | Sclerosomatid Harvestmen | 12 | Species | Taxom | | Scytodidae Blackwall, 1864 | Glue spitter | 1 | Species | Taxom | | Sicariidae Keyserling, 1880 | Brown recluse spiders | 1 | Species | Taxom | | Sparassidae Bertkau, 1872 | Giant crab spiders | 1 | Species | Taxom | | Tarsonemidae Kramer, 1877 | Tarsonemid mites | 2 | Species | Taxom | | Teneriffiidae Thor, 1911 | | 0 | Species | Taxom | | Tengellidae (Dahl, 1908) | Tengellid spiders | 1 | Species | Taxom | | Tetrablemmidae O. P-Cambridge, 1873 | Armored spider | 0 | Species | Taxom | | Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 17 | Species | Taxom | | Tetranychidae Donnadieu, 1875 | Spider mites | 1 | Species | Taxom | | Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 40 | Species | Taxom | | Thomisidae Sundevall, 1833 | Crab Spider | 34 | Species | Taxom | | Titanoecidae Lehtinen, 1967 | Rock Weavers | 1 | Species | Taxom | | Trombiculidae Ewing, 1929 | Chigger mites | 1 | Species | Taxom | | Uloboridae Thorell, 1869 | Cribellate orb weavers | 1 | Species | Taxom | | Unionicolidae Oudemans, 1909 | | 0 | Species | Taxom | | Zerconidae Berlese, 1892 | | 1 | Species | Taxom | | Zodariidae Thorell, 1881 | Ant spiders | 1 | Species | Taxom | | Zoridae F. O. P-Camb..., 1893 | Wandering Spiders | 1 | Species | Taxom |
Subnodes of Arachnida with occurrences in Northwestern Illinois
 | | 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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