| Agelenidae C. L. Koch, 1837 | Agelenid Spiders | 3 | Species | Taxom |
| Amblyommidae Banks, 1907 | | 24 | Species | Taxom |
| Ammotrechidae Roewer, 1934 | Curve-faced solifugid | 4 | Species | Taxom |
| Anapidae Simon, 1895 | Anapid spiders | 1 | Species | Taxom |
| Anyphaenidae Bertkau, 1878 | Anyphaenid sac spiders | 11 | Species | Taxom |
| Araneidae Simon, 1895 | Golden orb web spiders | 108 | Species | Taxom |
| Argasidae C. L. Koch, 1844 | Soft tick | 9 | Species | Taxom |
| Belbidae (Willmann, 1931) | | 0 | Species | Taxom |
| Blattisociidae (Garman, 1948) | | 1 | Species | Taxom |
| Buthidae C. L. Koch, 1837 | Arrowbreasted scorpions | 8 | Species | Taxom |
| Camerobiidae Southcott, 1957 | Stilt-legged mites | 1 | Species | Taxom |
| Caponiidae Simon, 1890 | Caponiid spiders | 2 | Species | Taxom |
| Carabodidae Koch, 1837 | | 1 | Species | Taxom |
| Ceratokalummidae Balogh, 1970 | | 1 | Species | Taxom |
| Chernetidae Menge, 1855 | | 2 | Species | Taxom |
| Chirodiscidae Trouessart, 1892 | | 1 | Species | Taxom |
| Clubionidae Wagner, 1887 | Clubiones | 4 | Species | Taxom |
| Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 23 | Species | Taxom |
| Cosmetidae C. L. Koch, 1839 | | 3 | Species | Taxom |
| Cosmochthoniidae Grandjean, 1946 | | 1 | Species | Taxom |
| Crotoniidae Thorell, 1876 | | 1 | Species | Taxom |
| Ctenidae Keyserling, 1877 | Tropical wolf spiders | 15 | Species | Taxom |
| Ctenizidae Thorell, 1887 | Cork-lid trapdoor spider | 3 | Species | Taxom |
| Cymbaeremaeidae Sellnick, 1928 | | 1 | Species | Taxom |
| Deinopidae C. L. Koch, 1850 | Net-casters | 1 | Species | Taxom |
| Diarthrophallidae Trägårdh, 1946 | | 0 | Species | Taxom |
| Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 5 | Species | Taxom |
| Diplogyniidae Trägårdh, 1941 | | 0 | Species | Taxom |
| Dipluridae Simon, 1889 | Curtainweb Spiders | 1 | Species | Taxom |
| Eremaeozetidae Piffl, 1972 | | 1 | Species | Taxom |
| Ereynetidae Schrank, 1776 | | 1 | Species | Taxom |
| Filistatidae Ausserer, 1867 | Crevice weaver | 1 | Species | Taxom |
| Fortuyniidae Hammen, 1963 | | 1 | Species | Taxom |
| Galumnidae Jacot, 1925 | | 1 | Species | Taxom |
| Garypidae Simon, 1879 | | 1 | Species | Taxom |
| Glycyphagidae De Geer, 1778 | | 2 | Species | Taxom |
| Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 4 | Species | Taxom |
| Gonyleptidae Sundevall, 1833 | | 1 | Species | Taxom |
| Hahniidae Bertkau, 1878 | Dwarf sheet spiders | 1 | Species | Taxom |
| Halonoproctidae Pocock, 1901 | | 1 | Species | Taxom |
| Haplochthoniidae Van der Hammen, 1959 | | 0 | Species | Taxom |
| Haplozetidae Grandjean, 1936 | | 4 | Species | Taxom |
| Hersiliidae Thorell, 1870 | Hersiliids | 1 | Species | Taxom |
| Heterozerconidae Berlese, 1892 | | 0 | Species | Taxom |
| Hubbardiidae Cook, 1899 | Hubbardiid shorttailed whipscorpions | 2 | Species | Taxom |
| Hydryphantidae Piersig, 1896 | | 1 | Species | Taxom |
| Hygrobatidae Koch, 1842 | | 1 | Species | Taxom |
| Hypochthoniidae Berlese, 1910 | | 1 | Species | Taxom |
| Ixodidae C. L. Koch, 1844 | Hard Tick | 4 | Species | Taxom |
| Johnstonianidae Thor, 1935 | | 1 | Species | Taxom |
| Laelapidae Berlese, 1892 | | 0 | Species | Taxom |
| Linyphiidae Blackwall, 1859 | Dwarf spiders | 13 | Species | Taxom |
| Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 9 | Species | Taxom |
| Macrochelidae Vitzthum, 1930 | | 0 | Species | Taxom |
| Macronyssidae Oudemans, 1936 | Macronyssid Mites | 0 | Species | Taxom |
| Megacelaenopsidae Funk, 1975 | | 0 | Species | Taxom |
| Mimetidae Simon, 1881 | Pirate spider | 4 | Species | Taxom |
| Miturgidae Simon, 1885 | Long-legged sac spiders | 2 | Species | Taxom |
| Monoscutidae (Forster, 1948) | | 1 | Species | Taxom |
| Mysmenidae Petrunkevitch, 1928 | Dwarf cobweb spiders | 2 | Species | Taxom |
| Nanhermanniidae Sellnick, 1928 | | 1 | Species | Taxom |
| Neothrombiidae Feider, 1959 | | 1 | Species | Taxom |
| Ochyroceratidae Fage, 1912 | Midget ground weaver | 0 | Species | Taxom |
| Oecobiidae Blackwall, 1862 | Disc web spider | 1 | Species | Taxom |
| Oonopidae Simon, 1890 | Dwarf Cell Spiders | 20 | Species | Taxom |
| Opilioacaridae With, 1902 | | 2 | Species | Taxom |
| Oppiidae Sellnick, 1937 | | 4 | Species | Taxom |
| Oribatellidae Jacot, 1925 | | 1 | Species | Taxom |
| Oripodidae Jacot, 1925 | | 1 | Species | Taxom |
| Oxyopidae Thorell, 1870 | Lynx spiders | 13 | Species | Taxom |
| Pachylaelapidae Berlese, 1913 | | 1 | Species | Taxom |
| Parasitidae Oudemans, 1901 | Beetle Mites | 1 | Species | Taxom |
| Philodromidae Thorell, 1870 | False crab spiders | 1 | Species | Taxom |
| Pholcidae C. L. Koch, 1851 | Carpenter spider | 7 | Species | Taxom |
| Phrynidae Blanchard, 1852 | | 4 | Species | Taxom |
| Phthiracaridae Perty, 1841 | | 1 | Species | Taxom |
| Phytoseiidae Berlese, 1916 | Phytoseiid mites | 1 | Species | Taxom |
| Pisauridae Simon, 1890 | Big wolf spider | 5 | Species | Taxom |
| Plectreuridae Simon, 1893 | Plectreurid spider | 2 | Species | Taxom |
| Podapolipidae Husband, 1990 | | 1 | Species | Taxom |
| Protoplophoridae (Ewing, 1917) | | 1 | Species | Taxom |
| Pterolichidae Trouessart, 1899 | | 2 | Species | Taxom |
| Pyroglyphidae Cunliffe, 1958 | Dust mites | 0 | Species | Taxom |
| Ricinoididae Ewing, 1929 | Hooded tickspiders | 1 | Species | Taxom |
| Salticidae Blackwall, 1842 | Jumping Spider | 92 | Species | Taxom |
| Scheloribatidae Jacot, 1935 | | 2 | Species | Taxom |
| Sclerosomatidae Simon, 1879 | Sclerosomatid Harvestmen | 0 | Species | Taxom |
| Scorpionidae Pierre André..., 1802 | Largeclaw scorpions | 1 | Species | Taxom |
| Scytodidae Blackwall, 1864 | Glue spitter | 8 | Species | Taxom |
| Segestriidae Simon, 1893 | Six-eyed Spiders | 2 | Species | Taxom |
| Selenopidae Simon, 1897 | Flatties | 2 | Species | Taxom |
| Senoculidae Simon, 1890 | Senoculid spiders | 1 | Species | Taxom |
| Sicariidae Keyserling, 1880 | Brown recluse spiders | 1 | Species | Taxom |
| Sparassidae Bertkau, 1872 | Giant crab spiders | 5 | Species | Taxom |
| Sphaerochthoniidae Grandjean, 1947 | | 1 | Species | Taxom |
| Spinturnicidae Oudemans, 1902 | | 0 | Species | Taxom |
| Stygnopsidae Sørensen, 1932 | | 0 | Species | Taxom |
| Symphytognathidae Hickman, 1931 | Dwarf orb-weavers | 1 | Species | Taxom |
| Syringophilidae Lavoipierre, 1953 | Quill mites | 1 | Species | Taxom |
| Tarsonemidae Kramer, 1877 | Tarsonemid mites | 3 | Species | Taxom |
| Tengellidae (Dahl, 1908) | Tengellid spiders | 2 | Species | Taxom |
| Tenuipalpidae Berlese, 1913 | False spider mites | 1 | Species | Taxom |
| Tetrablemmidae O. P-Cambridge, 1873 | Armored spider | 2 | Species | Taxom |
| Tetragnathidae Menge, 1866 | Elongated Orb Weavers | 28 | Species | Taxom |
| Tetranychidae Donnadieu, 1875 | Spider mites | 23 | Species | Taxom |
| Theraphosidae Thorell, 1870 | Bird-eating spiders | 13 | Species | Taxom |
| Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 86 | Species | Taxom |
| Theridiosomatidae Simon, 1881 | Ray orbweavers | 5 | Species | Taxom |
| Thomisidae Sundevall, 1833 | Crab Spider | 6 | Species | Taxom |
| Trechaleidae Simon, 1890 | Trechaleid spiders | 4 | Species | Taxom |
| Trhypochthoniidae Willmann, 1931 | | 2 | Species | Taxom |
| Trombiculidae Ewing, 1929 | Chigger mites | 0 | Species | Taxom |
| Uloboridae Thorell, 1869 | Cribellate orb weavers | 8 | Species | Taxom |
| Uropodidae Kramer, 1881 | | 2 | Species | Taxom |
| Zalmoxidae (Sörensen, 1886) | | 4 | Species | Taxom |
| Zoridae F. O. P-Camb..., 1893 | Wandering Spiders | 2 | Species | Taxom |
| Zorocratidae (Dahl, 1913) | Zorocratid spider | 0 | Species | Taxom |