- family: Thomisidae
- genus: Xysticus
- species: Xysticus acquiescens Emerton, 1919
- species: Xysticus alboniger Turnbull, Dondale & Redner, 1965
- species: Xysticus ampullatus Turnbull, Dondale & Redner, 1965
- species: Xysticus auctificus Keyserling, 1880
- species: Xysticus banksi Bryant, 1933
- species: Xysticus benefactor Keyserling, 1880
- species: Xysticus bicuspis Keyserling, 1887
- species: Xysticus britcheri Gertsch, 1934
- species: Xysticus californicus Keyserling, 1880
- species: Xysticus canadensis Gertsch, 1934
- species: Xysticus chippewa Gertsch, 1953
- species: Xysticus cunctator Thorell, 1877
- species: Xysticus deichmanni Sorensen, 1898
- species: Xysticus discursans Keyserling, 1880
- species: Xysticus durus (Sorensen, 1898)
- species: Xysticus elegans Keyserling, 1880
- species: Xysticus ellipticus Turnbull, Dondale & Redner, 1965
- species: Xysticus emertoni Keyserling, 1880
- species: Xysticus ferox (Hentz, 1847)
- species: Xysticus fervidus Gertsch, 1953
- species: Xysticus fraternus Banks, 1895
- species: Xysticus funestus Keyserling, 1880
- species: Xysticus gertschi Schick, 1965
- species: Xysticus gosiutus Gertsch, 1932
- species: Xysticus gulosus Keyserling, 1880
- species: Xysticus keyserlingi Bryant, 1930
- species: Xysticus labradorensis Keyserling, 1887
- species: Xysticus locuples Keyserling, 1880
- species: Xysticus luctans (C. L. Koch, 1845)
- species: Xysticus luctuosus (Blackwall, 1836)
- species: Xysticus montanensis Keyserling, 1887
- species: Xysticus nigromaculatus Keyserling, 1884
- species: Xysticus obscurus Collett, 1877
- species: Xysticus pellax O. P.-Cambridge, 1894
- species: Xysticus pretiosus Gertsch, 1934
- species: Xysticus punctatus Keyserling, 1880
- species: Xysticus rugosus Buckle & Redner, 1964
- species: Xysticus triangulosus Emerton, 1894
- species: Xysticus triguttatus Keyserling, 1880
- species: Xysticus winnipegensis Turnbull, Dondale & Redner, 1965