| Acaronychidae Grandjean, 1932 | | 1 | Species | Taxom |
| Achipteriidae Thor, 1929 | | 9 | Species | Taxom |
| Adelphacaridae Grandjean, 1954 | | 1 | Species | Taxom |
| Agelenidae C. L. Koch, 1837 | Agelenid Spiders | 1 | Species | Taxom |
| Aleurodamaeidae Paschoal & J..., 1985 | | 1 | Species | Taxom |
| Amaurobiidae Thorell, 1870 | Amaurobiids | 1 | Species | Taxom |
| Araneidae Simon, 1895 | Golden orb web spiders | 9 | Species | Taxom |
| Astegistidae Balogh, 1961 | | 3 | Species | Taxom |
| Autognetidae Grandjean, 1960 | | 3 | Species | Taxom |
| Belbidae (Willmann, 1931) | | 3 | Species | Taxom |
| Brachychthoniidae Thor, 1934 | | 15 | Species | Taxom |
| Camisiidae Oudemans, 1900 | | 1 | Species | Taxom |
| Carabodidae Koch, 1837 | | 11 | Species | Taxom |
| Ceratoppiidae (Kunst, 1971) | | 3 | Species | Taxom |
| Ceratozetidae Jacot, 1925 | | 27 | Species | Taxom |
| Chamobatidae Thor, 1937 | | 5 | Species | Taxom |
| Cheyletidae Leach, 1815 | | 2 | Species | Taxom |
| Clubionidae Wagner, 1887 | Clubiones | 1 | Species | Taxom |
| Collohmanniidae Grandjean, 1958 | | 1 | Species | Taxom |
| Corinnidae Karsch, 1880 | Ant-like Sac Spiders | 1 | Species | Taxom |
| Cosmochthoniidae Grandjean, 1946 | | 5 | Species | Taxom |
| Crotoniidae Thorell, 1876 | | 12 | Species | Taxom |
| Ctenacaridae Grandjean, 1954 | | 2 | Species | Taxom |
| Ctenobelbidae Grandjean, 1965 | | 3 | Species | Taxom |
| Cymbaeremaeidae Sellnick, 1928 | | 1 | Species | Taxom |
| Damaeidae Berlese, 1896 | | 20 | Species | Taxom |
| Damaeolidae Grandjean, 1965 | | 3 | Species | Taxom |
| Dictynidae O. P-Cambridge, 1871 | Dictynid spiders | 1 | Species | Taxom |
| Dolichocybidae Mahunka, 1970 | | 0 | Species | Taxom |
| Eniochthoniidae Grandjean, 1947 | | 1 | Species | Taxom |
| Epilohmanniidae Oudemans, 1923 | | 3 | Species | Taxom |
| Epimerellidae Ayyildiz & L..., 1989 | | 1 | Species | Taxom |
| Eremaeidae Oudemans, 1900 | | 3 | Species | Taxom |
| Eremobelbidae Balogh, 1961 | | 1 | Species | Taxom |
| Eremulidae Grandjean, 1965 | | 2 | Species | Taxom |
| Eresidae C. L. Koch, 1851 | Eresid spiders | 1 | Species | Taxom |
| Eriophyidae Nalepa, 1898 | Blister mites | 8 | Species | Taxom |
| Eulohmanniidae Grandjean, 1931 | | 1 | Species | Taxom |
| Euphthiracaridae Jacot, 1930 | | 4 | Species | Taxom |
| Euscorpiidae Laurie, 1896 | Shorttail scorpions | 1 | Species | Taxom |
| Galeodidae Sundevall, 1833 | | 1 | Species | Taxom |
| Galumnidae Jacot, 1925 | | 13 | Species | Taxom |
| Gnaphosidae Pocock, 1898 | Flat-bellied ground spiders | 2 | Species | Taxom |
| Gustaviidae Oudemans, 1900 | | 2 | Species | Taxom |
| Gymnodamaeidae Grandjean, 1954 | | 4 | Species | Taxom |
| Haplochthoniidae Van der Hammen, 1959 | | 1 | Species | Taxom |
| Haplozetidae Grandjean, 1936 | | 6 | Species | Taxom |
| Hemileiidae (J. & P. Balogh, 1984) | | 3 | Species | Taxom |
| Hermanniellidae Grandjean, 1934 | | 6 | Species | Taxom |
| Hermanniidae Sellnick, 1928 | | 1 | Species | Taxom |
| Humerobatidae Grandjean, 1970 | | 5 | Species | Taxom |
| Hungarobelbidae (Miko & Travé, 1996) | | 1 | Species | Taxom |
| Hypochthoniidae Berlese, 1910 | | 2 | Species | Taxom |
| Liacaridae Sellnick, 1928 | | 14 | Species | Taxom |
| Licneremaeidae Grandjean, 1931 | | 1 | Species | Taxom |
| Licnobelbidae (Grandjean, 1965) | | 1 | Species | Taxom |
| Licnodamaeidae (Grandjean, 1954) | | 3 | Species | Taxom |
| Liebstadiidae J. & P. Balogh, 1984 | | 4 | Species | Taxom |
| Lohmanniidae Berlese, 1916 | | 3 | Species | Taxom |
| Lycosidae Lehtinen & H..., 1979 | Ground Spiders | 5 | Species | Taxom |
| Machuellidae Balogh, 1983 | | 0 | Species | Taxom |
| Malaconothridae Berlese, 1916 | | 5 | Species | Taxom |
| Micreremidae Grandjean, 1954 | | 2 | Species | Taxom |
| Microzetidae Grandjean, 1936 | | 4 | Species | Taxom |
| Mochlozetidae Grandjean, 1960 | | 1 | Species | Taxom |
| Mycobatidae Grandjean, 1954 | | 2 | Species | Taxom |
| Nanhermanniidae Sellnick, 1928 | | 4 | Species | Taxom |
| Nemastomatidae Simon, 1872 | | 2 | Species | Taxom |
| Neobisiidae Chamberlin, 1930 | | 3 | Species | Taxom |
| Neoliodidae (Sellnick, 1928) | | 3 | Species | Taxom |
| Neopygmephoridae Cross, 1965 | | 1 | Species | Taxom |
| Nothridae Berlese, 1896 | | 6 | Species | Taxom |
| Ologamasidae Ryke, 1962 | | 1 | Species | Taxom |
| Oppiidae Sellnick, 1937 | | 37 | Species | Taxom |
| Oribatellidae Jacot, 1925 | | 15 | Species | Taxom |
| Oribatulidae Thor, 1929 | | 24 | Species | Taxom |
| Oribellidae (Kunst, 1971) | | 3 | Species | Taxom |
| Oribotritiidae Grandjean, 1954 | | 2 | Species | Taxom |
| Oxyopidae Thorell, 1870 | Lynx spiders | 2 | Species | Taxom |
| Parakalummidae Grandjean, 1936 | | 1 | Species | Taxom |
| Parhypochthoniidae Grandjean, 1932 | | 1 | Species | Taxom |
| Passalozetidae Grandjean, 1954 | | 4 | Species | Taxom |
| Perlohmanniidae Grandjean, 1954 | | 1 | Species | Taxom |
| Phalangiidae Latreille, 1802 | Daddy-Long-Legs | 2 | Species | Taxom |
| Phenopelopidae Petrunkevitch, 1955 | | 11 | Species | Taxom |
| Pholcidae C. L. Koch, 1851 | Carpenter spider | 4 | Species | Taxom |
| Phthiracaridae Perty, 1841 | | 24 | Species | Taxom |
| Phytoptidae Manson, 1970 | | 1 | Species | Taxom |
| Pisauridae Simon, 1890 | Big wolf spider | 1 | Species | Taxom |
| Plateremaeidae Trägårdh, 1931 | | 1 | Species | Taxom |
| Protoribatidae J. & P. Balogh, 1984 | | 3 | Species | Taxom |
| Punctoribatidae Thor, 1937 | | 10 | Species | Taxom |
| Quadroppiidae Balogh, 1983 | | 5 | Species | Taxom |
| Salticidae Blackwall, 1842 | Jumping Spider | 10 | Species | Taxom |
| Scheloribatidae Jacot, 1935 | | 12 | Species | Taxom |
| Sclerosomatidae Simon, 1879 | Sclerosomatid Harvestmen | 1 | Species | Taxom |
| Scutoverticidae Grandjean, 1954 | | 2 | Species | Taxom |
| Solpugidae Leach, 1815 | | 1 | Species | Taxom |
| Sparassidae Bertkau, 1872 | Giant crab spiders | 1 | Species | Taxom |
| Sphaerochthoniidae Grandjean, 1947 | | 1 | Species | Taxom |
| Suctobelbidae Jacot, 1938 | | 23 | Species | Taxom |
| Tarsonemidae Kramer, 1877 | Tarsonemid mites | 1 | Species | Taxom |
| Tectocepheidae Grandjean, 1954 | | 4 | Species | Taxom |
| Tegoribatidae Grandjean, 1954 | | 2 | Species | Taxom |
| Theridiidae Sundevall, 1833 | Cobweb And Widow Spiders | 3 | Species | Taxom |
| Thomisidae Sundevall, 1833 | Crab Spider | 3 | Species | Taxom |
| Thyrisomidae Grandjean, 1953 | | 2 | Species | Taxom |
| Torrenticolidae Thor, 1902 | Torrent Mites | 2 | Species | Taxom |
| Trhypochthoniidae Willmann, 1931 | | 3 | Species | Taxom |
| Trogulidae Sundevall, 1833 | | 1 | Species | Taxom |
| Uloboridae Thorell, 1869 | Cribellate orb weavers | 1 | Species | Taxom |
| Withiidae Chamberlin, 1931 | | 1 | Species | Taxom |
| Xenillidae Woolley & Hi..., 1966 | | 3 | Species | Taxom |
| Zetomotrichidae Grandjean, 1934 | | 1 | Species | Taxom |
| Zetorchestidae Michael, 1898 | | 5 | Species | Taxom |
