- family: Lycosidae
- genus: Acantholycosa
- genus: Allocosa
- genus: Alopecosa
- genus: Arctosa
- genus: Geolycosa
- genus: Gladicosa
- genus: Hogna
- genus: Melocosa
- genus: Pardosa
- species: Pardosa albomaculata Emerton, 1885
- species: Pardosa algens (Kulczynski, 1908)
- species: Pardosa altamontis Chamberlin & Ivie, 1946
- species: Pardosa anomala Gertsch, 1933
- species: Pardosa beringiana Dondale & Redner, 1987
- species: Pardosa bucklei Kronestedt, 1975
- species: Pardosa coloradensis Banks, 1894
- species: Pardosa concinna (Thorell, 1877)
- species: Pardosa distincta (Blackwall, 1846)
- species: Pardosa diuturna Fox, 1937
- species: Pardosa dorsalis Banks, 1894
- species: Pardosa dorsuncata Lowrie & Dondale, 1981
- species: Pardosa dromaea (Thorell, 1878)
- species: Pardosa furcifera (Thorell, 1875)
- species: Pardosa fuscula (Thorell, 1875)
- species: Pardosa glacialis (Thorell, 1872)
- species: Pardosa groenlandica (Thorell, 1872)
- species: Pardosa hyperborea (Thorell, 1872)
- species: Pardosa labradorensis (Thorell, 1875)
- species: Pardosa lapidicina Emerton, 1885
- species: Pardosa lapponica (Thorell, 1872)
- species: Pardosa littoralis Banks, 1896
- species: Pardosa lowriei Kronestedt, 1975
- species: Pardosa mackenziana (Keyserling, 1877)
- species: Pardosa metlakatla Emerton, 1917
- species: Pardosa milvina (Hentz, 1844)
- species: Pardosa modica (Blackwall, 1846)
- species: Pardosa moesta Banks, 1892
- species: Pardosa mulaiki Gertsch, 1934
- species: Pardosa nordicolens Chamberlin & Ivie, 1947
- species: Pardosa ontariensis Gertsch, 1933
- species: Pardosa palustris (Linnaeus, 1758)
- species: Pardosa podhorskii (Kulczynski, 1907)
- species: Pardosa rainieriana Lowrie & Dondale, 1981
- species: Pardosa saxatilis (Hentz, 1844)
- species: Pardosa sinistra (Thorell, 1877)
- species: Pardosa sodalis Holm, 1970
- species: Pardosa sternalis (Thorell, 1877)
- species: Pardosa steva Lowrie & Gertsch, 1955
- species: Pardosa tesquorum (Odenwall, 1901)
- species: Pardosa tetonensis Gertsch, 1933
- species: Pardosa uintana Gertsch, 1933
- species: Pardosa vancouveri Emerton, 1917
- species: Pardosa wyuta Gertsch, 1934
- species: Pardosa xerampelina (Keyserling, 1877)
- genus: Pirata
- species: Pirata aspirans Chamberlin, 1904
- species: Pirata bryantae Kurata, 1944
- species: Pirata canadensis Dondale & Redner, 1981
- species: Pirata cantralli Wallace & Exline, 1978
- species: Pirata giganteus Gertsch, 1934
- species: Pirata insularis Emerton, 1885
- species: Pirata minutus Emerton, 1885
- species: Pirata montanoides Banks, 1892
- species: Pirata montanus Emerton, 1885
- species: Pirata piraticus (Clerck, 1757)
- species: Pirata sedentarius Montgomery, 1904
- species: Pirata seminolus Gertsch & Wallace, 1935
- species: Pirata zelotes Wallace & Exline, 1978
- genus: Rabidosa
- genus: Schizocosa
- species: Schizocosa avida (Walckenaer, 1837)
- species: Schizocosa bilineata (Emerton, 1885)
- species: Schizocosa cespitum Dondale & Redner, 1978
- species: Schizocosa communis (Emerton, 1885)
- species: Schizocosa crassipalpata Roewer, 1951
- species: Schizocosa duplex Chamberlin, 1925
- species: Schizocosa humilis (Banks, 1892)
- species: Schizocosa mccooki (Montgomery, 1904)
- species: Schizocosa mimula (Gertsch, 1934)
- species: Schizocosa minnesotensis (Gertsch, 1934)
- species: Schizocosa ocreata (Hentz, 1842)
- species: Schizocosa retrorsa (Banks, 1911)
- species: Schizocosa saltatrix (Hentz, 1844)
- genus: Trabeops
- genus: Trebacosa
- genus: Trochosa
- genus: Varacosa
- family: Oxyopidae
- family: Pisauridae