| Xysticus abditus Logunov, 2006 | |
| Xysticus abramovi Marusik & Lo..., 1995 | |
| Xysticus absconditus Menge, 1876 | |
| Xysticus acerbus Thorell, 1872 | |
| Xysticus acerbus obscurior Kulczynski, 1895 | |
| Xysticus acquiescens Emerton, 1919 | |
| Xysticus advectus O. P.-Cambridge, 1890 | Crab spiders |
| Xysticus adzharicus Mcheidze, 1971 | |
| Xysticus aequalis Franganillo, 1926 | |
| Xysticus aethiopicus L. Koch, 1875 | |
| Xysticus albertensis Gertsch, 1953 | Iceland cat shark |
| Xysticus albidus Grese, 1909 | |
| Xysticus albolimbatus Hu, 2001 | |
| Xysticus albomaculatus (Wladislaus K..., 1891) | ⇒ Xysticus idolothytus Dmitri Vikto..., 1995 |
| Xysticus alboniger Turnbull, Ch..., 1965 | Deepwater cat shark |
| Xysticus aletaiensis Hu & Wu, 1989 | |
| Xysticus alpicola Wladislaus K..., 1882 | |
| Xysticus alpinistus Hirotsugu Ono, 1978 | |
| Xysticus alpinus Kulczyński, 1887 | |
| Xysticus alsus Da-xiang Son..., 1994 | |
| Xysticus altaicus Eugène Simon, 1895 | |
| Xysticus altitudinis Gershom Levy, 1976 | |
| Xysticus ampullatus Turnbull, Ch..., 1965 | Columbine leafminer |
| Xysticus anatolicus Demir, Aktas..., 2008 | Broadgill cat shark |
| Xysticus annulipes ♰ P. Bertkau, 1878 | |
| Xysticus apachecus Willis J. Ge..., 1933 | Eligulate lycopods |
| Xysticus apalacheus Willis J. Ge..., 1953 | |
| Xysticus apertus Richard C. B..., 1898 | |
| Xysticus apricus Ludwig Carl ..., 1876 | |
| Xysticus aprilinus Elizabeth Ba..., 1930 | |
| Xysticus archaeopalpus ♰ R. Leech, 1971 | |
| Xysticus arenarius Tord Tamerla..., 1875 | |
| Xysticus arenicola Eugène Simon, 1875 | |
| Xysticus argenteus Jézéquel, 1966 | |
| Xysticus asper Hippolyte Lucas, 1838 | |
| Xysticus atevs Vladimir I. ..., 1979 | |
| Xysticus atrimaculatus (Bösenberg & ..., 1906) | ⇒ Xysticus hedini Schenkel, 1936 |
| Xysticus auctificus Eugen von Ke..., 1880 | Larkspur leafminer |
| Xysticus audax Schrank, 1803 | |
| Xysticus audax massanicus Simon, 1932 | |
| Xysticus audaxoides Zhang, Zhang..., 2004 | Spongehead catshark |
| Xysticus austrosibiricus Dmitri Vikto..., 1998 | |
| Xysticus autumnalis Ludwig Carl ..., 1875 | |
| Xysticus aztecus Willis J. Ge..., 1953 | |
| Xysticus bacurianensis Mcheidze, 1971 | |
| Xysticus bakanas Yuri M. Maru..., 1990 | Southern brook lamprey |
| Xysticus baltistanus Lodovico di ..., 1935 | |
| Xysticus banksi Elizabeth Ba..., 1933 | |
| Xysticus barbatus Lodovico di ..., 1936 | |
| Xysticus benefactor Eugen von Ke..., 1880 | |
| Xysticus bengalensis Benoy Krishn..., 1974 | |
| Xysticus bengdakus Saha & Raych..., 2007 | |
| Xysticus beni Embrik Strand, 1913 | |
| Xysticus berlandi Ehrenfried S..., 1963 | |
| Xysticus bermani Yuri M. Marusik, 1994 | |
| Xysticus bharatae Pawan U. Gaj..., 1999 | |
| Xysticus bicolor (Ludwig Carl ..., 1867) | ⇒ Xysticus alboniger Turnbull, Ch..., 1965 |
| Xysticus bicuspis (Eugen von Ke..., 1887) | ⇒ Xysticus locuples Eugen von Ke..., 1880 |
| Xysticus bifasciatus Carl Ludwig ..., 1837 | |
| Xysticus bilimbatus (Ludwig Carl ..., 1875) | ⇒ Australomisidia cruentata L. Koch, 1874 |
| Xysticus bimaculatus (Koch, 1867) | ⇒ Xysticus rugosus Buckle & Redner, 1964 |
| Xysticus bliteus Eugène Simon, 1875 | |
| Xysticus boesenbergi Charitonov, 1928 | Madeira catshark |
| Xysticus bohdanowiczi Zhang, Zhu &..., 2004 | |
| Xysticus bolivari Willis J. Ge..., 1953 | |
| Xysticus bonneti (J. Denis, 1938) | ⇒ Xysticus pseudobliteus Simon, 1880 |
| Xysticus borealis (Keyserling, 1884) | ⇒ Xysticus elegans Eugen von Ke..., 1880 |
| Xysticus bradti Willis J. Ge..., 1953 | |
| Xysticus breviceps Octavius Pic..., 1885 | |
| Xysticus brevidentatus Jörg Wunderl..., 1995 | |
| Xysticus britcheri Willis J. Ge..., 1934 | |
| Xysticus brunneitibiis Lodovico di ..., 1939 | |
| Xysticus bufo Jean-Marie L..., 1820 | |
| Xysticus californicus Eugen von Ke..., 1880 | |
| Xysticus cambridgei (O. P.-Cambridge, 1871) | ⇒ Xysticus luctator Ludwig Carl ..., 1870 |
| Xysticus canadensis Willis J. Ge..., 1934 | |
| Xysticus canariensis Jörg Wunderl..., 1987 | |
| Xysticus caperatoides Gershom Levy, 1976 | |
| Xysticus caperatus Eugène Simon, 1875 | |
| Xysticus caspicus Utochkin, 1968 | Longnose catshark |
| Xysticus caucasius Ludwig Carl ..., 1878 | |
| Xysticus chaparralis Schick, 1965 | |
| Xysticus charitonowi Mcheidze, 1971 | |
| Xysticus chippewa (Willis J. Ge..., 1953) | ⇒ Xysticus britcheri Willis J. Ge..., 1934 |
| Xysticus chui Hirotsugu Ono, 1992 | |
| Xysticus clavulus Jörg Wunderl..., 1987 | |
| Xysticus clercki Jean Victor ..., 1826 | |
| Xysticus cochise Willis J. Ge..., 1953 | |
| Xysticus coloradensis (Elizabeth Ba..., 1930) | ⇒ Xysticus lassanus Ralph Vary C..., 1925 |
| Xysticus concinnus (Kroneberg, 1875) | ⇒ Xysticus boesenbergi Charitonov, 1928 |
| Xysticus concretus Utochkin, 1968 | Longnose catshark |
| Xysticus concursus Willis J. Ge..., 1934 | |
| Xysticus conflatus Da-xiang Son..., 1995 | Smallfin cat shark |
| Xysticus connectens Wladislaus K..., 1901 | |
| Xysticus cor Canestrini, 1873 | Atlantic ghost catshark |
| Xysticus corsicus Eugène Simon, 1875 | |
| Xysticus courti Marusik & Om..., 2014 | |
| Xysticus cribratus (Eugène Simon, 1885) | ⇒ Xysticus loeffleri Carl Friedri..., 1955 |
| Xysticus crispabilis Da-xiang Son..., 1996 | Hoary cat shark |
| Xysticus cristatus (Clerck, 1758) | ⇒ Xysticus pseudocristatus Azarkina & L..., 2001 |
| Xysticus croceus Fox, 1937 | |
| Xysticus cruentatus (L. Koch, 1874) | ⇒ Australomisidia cruentata L. Koch, 1874 |
| Xysticus cunctator Tord Tamerla..., 1877 | Sebastopol meadowfoam |
| Xysticus curtus Richard C. B..., 1898 | |
| Xysticus daemelii (L. Koch, 1874) | ⇒ Australomisidia pilula L. Koch, 1867 |
| Xysticus daisetsuzanus Ono, 1988 | |
| Xysticus dali S. Q. Li & Yang, 2008 | Longfin catshark |
| Xysticus davidi Ehrenfried S..., 1963 | |
| Xysticus deichmanni William Sør..., 1898 | |
| Xysticus demirsoyi Demir, Topçu..., 2006 | |
| Xysticus denisi Ehrenfried S..., 1963 | |
| Xysticus desidiosus Eugène Simon, 1875 | |
| Xysticus discursans Eugen von Ke..., 1880 | |
| Xysticus diversus John Blackwall, 1870 | |
| Xysticus dolpoensis Hirotsugu Ono, 1978 | |
| Xysticus doriai Raymond Comt..., 1922 | |
| Xysticus durus William Sør..., 1898 | |
| Xysticus dzhungaricus Tyschchenko, 1965 | |
| Xysticus edax Octavius Pic..., 1872 | |
| Xysticus egenus Eugène Simon, 1886 | |
| Xysticus elegans Eugen von Ke..., 1880 | Elegant crab spider |
| Xysticus elephantus Hirotsugu Ono, 1978 | |
| Xysticus ellipticus Turnbull, Ch..., 1965 | Deepwater cat shark |
| Xysticus embriki (Gábor von Ko..., 1935) | ⇒ Xysticus marmoratus Tord Tamerla..., 1875 |
| Xysticus emertoni Eugen von Ke..., 1880 | Emerton'S Crab Spider |
| Xysticus ephippiatus (Simon, 1880) | ⇒ Xysticus croceus Fox, 1937 |
| Xysticus erraticus John Blackwall, 1834 | |
| Xysticus excavatus (Ehrenfried S..., 1963) | ⇒ Xysticus parapunctatus Da-xiang Son..., 1995 |
| Xysticus facetus Octavius Pic..., 1896 | Crab spiders |
| Xysticus fagei Lessert, 1919 | |
| Xysticus federalis Willis J. Ge..., 1953 | Native holly leafminer |
| Xysticus ferox Nicholas Mar..., 1847 | Tan Crab Spider |
| Xysticus ferrugineus (Menge, 1876) | ⇒ Xysticus durus William Sør..., 1898 |
| Xysticus ferruginoides Ehrenfried S..., 1963 | |
| Xysticus ferus Octavius Pic..., 1876 | |
| Xysticus fervidus Willis J. Ge..., 1953 | |
| Xysticus fienae Rudy Jocqué, 1993 | Japanese catshark |
| Xysticus flavitarsis Eugène Simon, 1877 | |
| Xysticus flavovittatus Eugen von Ke..., 1880 | |
| Xysticus floridanus Richard C. B..., 1896 | |
| Xysticus fraternus Richard C. B..., 1895 | |
| Xysticus fuerteventurensis Jörg Wunderl..., 1992 | |
| Xysticus funestus Eugen von Ke..., 1880 | |
| Xysticus furtivus Willis J. Ge..., 1936 | |
| Xysticus gallicus (Eugène Simon, 1875) | ⇒ Xysticus torsivoides Da-xiang Son..., 1995 |
| Xysticus gallicus batumiensis Mcheidze & U..., 1971 | |
| Xysticus gattefossei J. Denis, 1956 | |
| Xysticus geometres Ludwig Carl ..., 1874 | |
| Xysticus gertschi Schick, 1965 | |
| Xysticus ghigii Lodovico di ..., 1938 | |
| Xysticus gobiensis Yuri M. Maru..., 2002 | |
| Xysticus gortanii Lodovico di ..., 1922 | |
| Xysticus gosiutus Willis J. Ge..., 1933 | Eligulate lycopods |
| Xysticus gracilis Eugen von Ke..., 1880 | |
| Xysticus graecus (Carl Ludwig ..., 1837) | ⇒ Xysticus thessalicus Eugène Simon, 1916 |
| Xysticus grallator Eugène Simon, 1932 | |
| Xysticus grohi Jörg Wunderl..., 1992 | |
| Xysticus guizhou Da-xiang Son..., 1997 | Longhead catshark |
| Xysticus gulosus Eugen von Ke..., 1880 | |
| Xysticus gymnocephalus (Embrik Strand, 1915) | ⇒ Xysticus marmoratus Tord Tamerla..., 1875 |
| Xysticus havilandi George Newbo..., 1942 | |
| Xysticus hedini Schenkel, 1936 | |
| Xysticus helophilus Eugène Simon, 1890 | |
| Xysticus hepaticus Eugène Simon, 1903 | |
| Xysticus himalayaensis (Benoy Krishn..., 1974) | ⇒ Lysiteles saltus Hirotsugu Ono, 1979 |
| Xysticus hindusthanicus Basu, 1965 | |
| Xysticus horticola (C. L. Koch, 1837) | ⇒ Ozyptila atomaria Panzer, 1801 |
| Xysticus hotingchiehi (Ehrenfried S..., 1963) | ⇒ Xysticus davidi Ehrenfried S..., 1963 |
| Xysticus hui Norman I. Pl..., 1993 | |
| Xysticus humilis Redner & Cha..., 1965 | Flathead catshark |
| Xysticus ibex Eugène Simon, 1875 | |
| Xysticus ibex dalmasi Simon, 1932 | |
| Xysticus ictericus Ludwig Carl ..., 1874 | |
| Xysticus idolothytus Dmitri Vikto..., 1995 | |
| Xysticus illaudatus Dmitri Vikto..., 1995 | |
| Xysticus imitarius Willis J. Ge..., 1953 | |
| Xysticus indiligens Charles Atha..., 1837 | |
| Xysticus inornatus (L. Koch, 1876) | ⇒ Xysticus alboniger Turnbull, Ch..., 1965 |
| Xysticus insulicola Bösenberg & ..., 1906 | |
| Xysticus iviei Schick, 1965 | |
| Xysticus iviei sierrensis Schick, 1965 | |
| Xysticus jabalpurensis Pawan U. Gaj..., 1999 | |
| Xysticus jaharai Basu, 1979 | |
| Xysticus japenus Carl Friedri..., 1938 | |
| Xysticus jiangi Peng, Chang-..., 2000 | Mackerel sharks |
| Xysticus jinlin Da-xiang Son..., 1995 | Salmon shark |
| Xysticus joyantius Benoy Krishn..., 1966 | |
| Xysticus jugalis Ludwig Carl ..., 1875 | |
| Xysticus jugalis larvatus Caporiacco, 1949 | |
| Xysticus kalandadzei Mcheidze & U..., 1971 | Ghost cat shark |
| Xysticus kali Benoy Krishn..., 1974 | |
| Xysticus kamakhyai Benoy Krishn..., 1962 | |
| Xysticus kansuensis (Guo Tang, Da..., 1995) | ⇒ Ozyptila kansuensis Tang, Song &..., 1995 |
| Xysticus kashidi Benoy Krishn..., 1963 | |
| Xysticus kaznakovi Utochkin, 1968 | Longnose catshark |
| Xysticus kempeleni Tord Tamerla..., 1872 | |
| Xysticus kempeleni nigriceps Simon, 1932 | |
| Xysticus kempelini (Thorell, 1872) | ⇒ Xysticus kempeleni Tord Tamerla..., 1872 |
| Xysticus keyserlingi (Elizabeth Ba..., 1930) | ⇒ Xysticus durus William Sør..., 1898 |
| Xysticus khasiensis Benoy Krishn..., 1980 | |
| Xysticus kochi Thorell, 1872 | Ghost cat shark |
| Xysticus kochi abchasicus Mcheidze & U..., 1971 | |
| Xysticus krakatauensis William Syer..., 1931 | |
| Xysticus kulczynskii Wierzbicki, 1902 | |
| Xysticus kurilensis Strand, 1907 | Carpenter bees |
| Xysticus kuzgi Yuri M. Maru..., 1990 | Southern brook lamprey |
| Xysticus labradorensis (Eugen von Ke..., 1887) | ⇒ Xysticus albidus Grese, 1909 |
| Xysticus laetus Tord Tamerla..., 1875 | |
| Xysticus lalandei (Jean Victor ..., 1826) | ⇒ Xysticus tristrami Octavius Pic..., 1872 |
| Xysticus lanio Koch, 1835 | |
| Xysticus lanio alpinus Kulczynski, 1887 | |
| Xysticus lanzarotensis Jörg Wunderl..., 1992 | |
| Xysticus lapidarius Utochkin, 1968 | Longnose catshark |
| Xysticus lassanus Ralph Vary C..., 1925 | |
| Xysticus laticeps (Elizabeth Ba..., 1933) | ⇒ Xysticus jinlin Da-xiang Son..., 1995 |
| Xysticus latitabundus Dmitri Vikto..., 1995 | |
| Xysticus lehtineni Fomichev, Ma..., 2014 | |
| Xysticus lendli Wladislaus K..., 1897 | Anglestem buckwheat |
| Xysticus lepnevae Utochkin, 1968 | Longnose catshark |
| Xysticus lesserti (Schenkel, 1963) | ⇒ Xysticus kurilensis Strand, 1907 |
| Xysticus lindbergi Carl Friedri..., 1962 | |
| Xysticus lineatus (Johan Peter ..., 1851) | ⇒ Xysticus kempeleni Tord Tamerla..., 1872 |
| Xysticus locuples Eugen von Ke..., 1880 | |
| Xysticus loeffleri Carl Friedri..., 1955 | California harvester ant |
| Xysticus logunovi Seyfulina & ..., 2004 | Smalleye cat shark |
| Xysticus logunovorum Blick & Ono, 2021 | |
| Xysticus lucifugus George Newbo..., 1937 | |
| Xysticus luctans Carl Ludwig ..., 1845 | |
| Xysticus luctator Ludwig Carl ..., 1870 | |
| Xysticus luctuosus John Blackwall, 1836 | |
| Xysticus lutzi Willis J. Ge..., 1935 | Clubmosses |
| Xysticus macedonicus Silhavy, 1944 | |
| Xysticus maculatipes Carl Friedri..., 1962 | |
| Xysticus maculiger Carl Friedri..., 1951 | San Diego bird's-foot trefoil |
| Xysticus madeirensis Jörg Wunderl..., 1992 | |
| Xysticus manas Da-xiang Son..., 1995 | Salmon shark |
| Xysticus mandali Tikader, 1966 | |
| Xysticus marmoratus Tord Tamerla..., 1875 | |
| Xysticus martensi Hirotsugu Ono, 1978 | |
| Xysticus marusiki Hirotsugu On..., 2005 | |
| Xysticus metinaktasi Demir, Seyya..., 2017 | |
| Xysticus minor Charitonov, 1946 | |
| Xysticus minutus (Benoy Krishn..., 1960) | ⇒ Indoxysticus minutus Tikader, 1960 |
| Xysticus moestus Banks, 1910 | |
| Xysticus mongolicus Ehrenfried S..., 1963 | |
| Xysticus montanensis Eugen von Ke..., 1887 | Littleleaf minerslettuce |
| Xysticus mugur Yuri M. Marusik, 1990 | |
| Xysticus mulleri George Newbo..., 1952 | |
| Xysticus multiaculeatus Lodovico di ..., 1940 | |
| Xysticus mundulus Octavius Pic..., 1885 | |
| Xysticus namaquensis Eugène Simon, 1910 | Stocky cerith |
| Xysticus natalensis George Newbo..., 1938 | |
| Xysticus nataliae Utochkin, 1968 | Longnose catshark |
| Xysticus nebulo Eugène Simon, 1909 | |
| Xysticus nenilini Yuri M. Marusik, 1989 | |
| Xysticus nepalhimalaicus Hirotsugu Ono, 1978 | |
| Xysticus nevadensis Eugen von Ke..., 1880 | |
| Xysticus nigriceps Lucien Berland, 1922 | |
| Xysticus nigromaculatus Eugen von Ke..., 1884 | Guinea ant |
| Xysticus nigropunctatus Ludwig Carl ..., 1867 | |
| Xysticus nigrotrivittatus Eugène Simon, 1870 | |
| Xysticus ninnii (Tord Tamerla..., 1872) | ⇒ Xysticus wuae Da-xiang Son..., 1995 |
| Xysticus ninnii fusciventris Crome, 1965 | |
| Xysticus nitidus Hsen Hsu Hu, 2001 | |
| Xysticus novokhatskyii Fomichev, 2015 | |
| Xysticus nubilus Eugène Simon, 1875 | |
| Xysticus nyingchiensis Da-xiang Son..., 1995 | Salmon shark |
| Xysticus obesus Tord Tamerla..., 1875 | |
| Xysticus obscurus (Collett, 1877) | ⇒ Xysticus rainbowi Embrik Strand, 1901 |
| Xysticus ocala Willis J. Ge..., 1953 | |
| Xysticus oeningensis ♰ O. Heer, 1865 | |
| Xysticus ontariensis (Emerton, 1919) | ⇒ Xysticus pellax O. P.-Cambridge, 1894 |
| Xysticus orizaba (Richard C. B..., 1898) | ⇒ Xysticus paiutus Willis J. Ge..., 1933 |
| Xysticus ovadan Yuri M. Maru..., 1995 | |
| Xysticus ovatus Eugène Simon, 1876 | |
| Xysticus ovcharenkoi Yuri M. Maru..., 1990 | Southern brook lamprey |
| Xysticus paiutus Willis J. Ge..., 1933 | Eligulate lycopods |
| Xysticus palawanicus Alberto Barr..., 1995 | Cuckoo wasps |
| Xysticus palpimirabilis Yuri M. Maru..., 1990 | Largenose catshark |
| Xysticus paniscus Ludwig Carl ..., 1875 | |
| Xysticus parallelus Simon, 1873 | |
| Xysticus parapunctatus Da-xiang Son..., 1995 | Salmon shark |
| Xysticus pavesii (O. P.-Cambridge, 1873) | ⇒ Ebrechtella tricuspidata Fabricius, 1775 |
| Xysticus pearcei Schick, 1965 | |
| Xysticus peccans Octavius Pic..., 1876 | |
| Xysticus pellax O. P.-Cambridge, 1894 | Honey bee |
| Xysticus peltiformus Zhang, Zhu &..., 2004 | |
| Xysticus peninsulanus Gertsch, 1934 | |
| Xysticus pentagonius (Seyfulina & ..., 2004) | ⇒ Xysticus davidi Ehrenfried S..., 1963 |
| Xysticus periscelis Eugène Simon, 1908 | |
| Xysticus pieperi Hirotsugu On..., 2005 | |
| Xysticus pigrides Cândido Firm..., 1929 | |
| Xysticus pingshan Zhang, Zhu &..., 2004 | |
| Xysticus pinocorticalis Jörg Wunderl..., 1992 | |
| Xysticus posti Sauer, 1968 | Spatulasnout catshark |
| Xysticus potamon Hirotsugu Ono, 1978 | |
| Xysticus praticola (C.L. Koch, 1837) | ⇒ Ozyptila trux Blackwall, 1846 |
| Xysticus pretiosus Willis J. Ge..., 1934 | |
| Xysticus promiscuus Octavius Pic..., 1876 | |
| Xysticus pseudobliteus Simon, 1880 | |
| Xysticus pseudocristatus Azarkina & L..., 2001 | |
| Xysticus pseudolanio Jörg Wunderl..., 1995 | |
| Xysticus pseudoluctuosus Yuri M. Maru..., 1995 | |
| Xysticus pseudorectilineus Jörg Wunderl..., 1995 | |
| Xysticus pulcherrimus Eugen von Ke..., 1880 | |
| Xysticus punctatus Eugen von Ke..., 1880 | |
| Xysticus pygmaeus Tyschchenko, 1965 | |
| Xysticus pynurus Benoy Krishn..., 1968 | |
| Xysticus quadratus Guo Tang & D..., 1988 | |
| Xysticus quadrispinus Lodovico di ..., 1933 | |
| Xysticus quadrispinus concolor Caporiacco, 1933 | |
| Xysticus quagga Rudy Jocqué, 1977 | |
| Xysticus rainbowi Embrik Strand, 1901 | |
| Xysticus rectilineus Octavius Pic..., 1872 | |
| Xysticus robinsoni Willis J. Ge..., 1953 | |
| Xysticus robustus Carl Wilhelm..., 1832 | |
| Xysticus robustus strandianus (Ermolajev, 1937) | ⇒ Xysticus robustus Carl Wilhelm..., 1832 |
| Xysticus rockefelleri Willis J. Ge..., 1953 | |
| Xysticus roonwali Benoy Krishn..., 1964 | |
| Xysticus rostratus Ono, 1988 | |
| Xysticus rugosus Buckle & Redner, 1964 | Saldanha catshark |
| Xysticus ryukyuensis Ono, 2002 | |
| Xysticus sabulosus (Carl Wilhelm..., 1832) | ⇒ Xysticus tyshchenkoi Yuri M. Maru..., 1995 |
| Xysticus sabulosus occidentalis Kulczynski, 1916 | |
| Xysticus saganus Bösenberg & ..., 1906 | |
| Xysticus sagittifer George Newbo..., 1927 | |
| Xysticus sansan Levy, 2007 | |
| Xysticus sardiniensis Jörg Wunderl..., 1995 | |
| Xysticus schoutedeni Roger de Les..., 1943 | |
| Xysticus secedens Ludwig Carl ..., 1876 | |
| Xysticus semicarinatus Eugène Simon, 1932 | |
| Xysticus seserlig Dmitri Vikto..., 1994 | |
| Xysticus setiger Octavius Pic..., 1885 | |
| Xysticus sharlaa Yuri M. Maru..., 2002 | |
| Xysticus shillongensis Benoy Krishn..., 1962 | |
| Xysticus shyamrupus Benoy Krishn..., 1966 | |
| Xysticus sibiricus (Wladislaus K..., 1908) | ⇒ Xysticus gobiensis Yuri M. Maru..., 2002 |
| Xysticus siciliensis Jörg Wunderl..., 1995 | |
| Xysticus sicus Fox, 1937 | |
| Xysticus sikkimus Benoy Krishn..., 1970 | |
| Xysticus silvestrii Eugène Simon, 1905 | |
| Xysticus simonstownensis Embrik Strand, 1909 | |
| Xysticus simplicipalpatus (Hirotsugu Ono, 1978) | ⇒ Xysticus sikkimus Benoy Krishn..., 1970 |
| Xysticus sinaiticus Gershom Levy, 1999 | |
| Xysticus sjostedti Ehrenfried S..., 1936 | |
| Xysticus slovacus Svaton, Peká..., 2000 | Pale catshark |
| Xysticus soderbomi Ehrenfried S..., 1936 | |
| Xysticus soldatovi Utochkin, 1968 | Longnose catshark |
| Xysticus spasskyi Utochkin, 1968 | Longnose catshark |
| Xysticus sphericus Charles Atha..., 1837 | |
| Xysticus spiethi Willis J. Ge..., 1953 | |
| Xysticus squalidus Eugène Simon, 1883 | |
| Xysticus strandi Gábor von Ko..., 1934 | |
| Xysticus striatipes Ludwig Carl ..., 1870 | |
| Xysticus subjugalis Embrik Strand, 1906 | |
| Xysticus subjugalis nigerrimus Caporiacco, 1941 | |
| Xysticus sujatai (Tikader, 1962) | ⇒ Xysticus croceus Fox, 1937 |
| Xysticus tampa Willis J. Ge..., 1953 | |
| Xysticus tarcos Ludwig Carl ..., 1875 | |
| Xysticus taukumkurt Yuri M. Maru..., 1990 | Southern brook lamprey |
| Xysticus tenebrosus Silhavy, 1944 | |
| Xysticus tenebrosus ohridensis Silhavy, 1944 | |
| Xysticus tenuiapicalis Demir, 2012 | |
| Xysticus texanus Richard C. B..., 1904 | |
| Xysticus thessalicoides Jörg Wunderl..., 1995 | |
| Xysticus thessalicus Eugène Simon, 1916 | Cobbler wobbegong |
| Xysticus tikaderi Bhandari & P..., 2001 | |
| Xysticus toltecus Willis J. Ge..., 1953 | |
| Xysticus torsivoides Da-xiang Son..., 1995 | Salmon shark |
| Xysticus torsivus Guo Tang & D..., 1988 | |
| Xysticus tortuosus Eugène Simon, 1932 | |
| Xysticus transversomaculatus Bösenberg & ..., 1906 | |
| Xysticus triangulosus James Henry ..., 1894 | |
| Xysticus triguttatus Keyserling, 1880 | Three-banded Crab Spider |
| Xysticus tristrami Octavius Pic..., 1872 | |
| Xysticus trizonatus Ono, 1988 | |
| Xysticus tsanghoensis Hsen Hsu Hu, 2001 | |
| Xysticus tugelanus George Newbo..., 1942 | |
| Xysticus turkmenicus Yuri M. Maru..., 1995 | |
| Xysticus turlan Yuri M. Maru..., 1990 | Southern brook lamprey |
| Xysticus tyshchenkoi Yuri M. Maru..., 1995 | |
| Xysticus ukrainicus (Utochkin, 1968) | ⇒ Xysticus slovacus Svaton, Peká..., 2000 |
| Xysticus ulkan Yuri M. Maru..., 1990 | Southern brook lamprey |
| Xysticus ulmi (Hahn, 1831) | ⇒ Xysticus tortuosus Eugène Simon, 1932 |
| Xysticus umbratilis Blackwall, 1852 | |
| Xysticus uncatus Thorell, 1875 | |
| Xysticus urbensis George Newbo..., 1952 | |
| Xysticus urgumchak Yuri M. Maru..., 1990 | Southern brook lamprey |
| Xysticus vachoni Schenkel, 1963 | |
| Xysticus variabilis Eugen von Ke..., 1880 | |
| Xysticus verecundus (Willis J. Ge..., 1934) | ⇒ Xysticus facetus Octavius Pic..., 1896 |
| Xysticus verneaui Eugène Simon, 1883 | |
| Xysticus viduus Wladislaus K..., 1898 | |
| Xysticus viveki Pawan U. Gajbe, 2005 | |
| Xysticus wagneri Willis J. Ge..., 1953 | |
| Xysticus walesianus Ferdinand Ka..., 1878 | |
| Xysticus winnipegensis Turnbull, Ch..., 1965 | Deepwater cat shark |
| Xysticus wuae Da-xiang Son..., 1995 | Salmon shark |
| Xysticus wunderlichi Dmitri Vikto..., 2001 | |
| Xysticus xerodermus Embrik Strand, 1913 | |
| Xysticus xiningensis Hsen Hsu Hu, 2001 | |
| Xysticus xizangensis Guo Tang & D..., 1988 | |
| Xysticus xysticiformis Lodovico di ..., 1935 | |
| Xysticus yebongensis Lee & Kim, 2018 | |
| Xysticus yogeshi Pawan U. Gajbe, 2005 | |
| Xysticus zonshteini Yuri M. Marusik, 1989 | |
