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# Genus Family # of
species
Links
1 Abacoproeces   Simon, 1884 Linyphiidae 2 key Species
2 Abiskoa   Saaristo & Tanasevtich, 2000 Linyphiidae 1 no-key Species
3 Acantholycosa   Dahl, 1908 Lycosidae 4 key Species
4 Acartauchenius   Simon, 1884 Linyphiidae 4 key Species
5 Achaeridion   Wunderlich, 2008 Theridiidae 1 no-key Species
6 Aculepeira   Chamberlin & Ivie, 1942 Araneidae 7 key Species
7 Adonea   Simon, 1873 Eresidae 1 no-key Species
8 Aelurillus   Simon, 1884 Salticidae 24 key Species
9 Afraflacilla   Berland & Millot, 1941 Salticidae 1 no-key Species
10 Agalenatea   Archer, 1951 Araneidae 1 key Species
11 Agelena   Walckenaer, 1805 Agelenidae 5 key Species
12 Agelenopsis   Giebel, 1869 Agelenidae 1 no-key Species
13 Agelescape   Levy, 1996 Agelenidae 7 no-key Species
14 Agnyphantes   Menge, 1866 Linyphiidae 1 no-key Species
15 Agraecina   Simon, 1932 Liocranidae 3 key Species
16 Agroeca   Westring, 1861 Liocranidae 10 key Species
17 Agyneta   Hull, 1911 Linyphiidae 41 key Species
18 Aituaria   Esyunin & Efimik, 1998 Nesticidae 1 no-key Species
19 Akamasia   Bosselaers, 2002 Zoropsidae 1 key Species
20 Alioranus   Simon, 1926 Linyphiidae 3 no-key Species
21 Allagelena   Zhang, Zhu & Song, 2006 Agelenidae 1 key Species
22 Allocosa   Banks, 1900 Lycosidae 2 no-key Species
23 Allomengea   Strand, 1912 Linyphiidae 3 key Species
24 Allotiso   Tanasevitch, 1990 Linyphiidae 1 no-key Species
25 Alopecosa   Simon, 1885 Lycosidae 47 key Species
26 Altella   Simon, 1884 Dictynidae 5 key Species
27 Amaurobius   C. L. Koch, 1837 Amaurobiidae 35 key Species
28 Amblyocarenum   Simon, 1892 Cyrtaucheniidae 4 no-key Species
29 Amphiledorus   Jocqué & Bosmans, 2001 Zodariidae 3 key Species
30 Anagraphis   Simon, 1893 Gnaphosidae 2 no-key Species
31 Anapistula   Gertsch, 1941 Symphytognathidae 1 key Species
32 Anatolidion   Wunderlich, 2008 Theridiidae 1 no-key Species
33 Anelosimus   Simon, 1891 Theridiidae 2 key Species
34 Anguliphantes   Menge, 1866 Linyphiidae 5 no-key Species
35 Antistea   Simon, 1898 Hahniidae 1 key Species
36 Antrohyphantes   Dumitrescu, 1971 Linyphiidae 3 no-key Species
37 Anyphaena   Sundevall, 1833 Anyphaenidae 6 key Species
38 Aphantaulax   Simon, 1878 Gnaphosidae 3 key Species
39 Aphileta   Hull, 1920 Linyphiidae 1 key Species
40 Apostenus   Westring, 1851 Liocranidae 4 key Species
41 Arabelia   Bosselaers, 2009 Liocranidae 1 no-key Species
42 Araeoncus   Simon, 1884 Linyphiidae 21 key Species
43 Araneus   Clerck, 1757 Araneidae 24 key Species
44 Araniella   Chamberlin & Ivie, 1942 Araneidae 7 key Species
45 Archaeodictyna   Caporiacco, 1928 Dictynidae 3 key Species
46 Archaraeoncus   Tanasevitch, 1987 Linyphiidae 1 no-key Species
47 Arctella   Holm, 1945 Dictynidae 1 key Species
48 Arcterigone   Eskov & Marusik, 1994 Linyphiidae 1 no-key Species
49 Arctobius   Lehtinen, 1967 Amaurobiidae 1 key Species
50 Arctosa   C. L. Koch, 1847 Lycosidae 24 key Species
51 Argenna   Thorell, 1870 Dictynidae 2 key Species
52 Argiope   Audouin, 1826 Araneidae 3 key Species
53 Argyrodes   Simon, 1864 Theridiidae 1 no-key Species
54 Argyroneta   Latreille, 1804 Dictynidae 1 key Species
55 Ariadna   Audouin, 1826 Segestriidae 9 no-key Species
56 Artema   Walckenaer, 1837 Pholcidae 1 no-key Species
57 Asagena   Sundevall, 1833 Theridiidae 4 no-key Species
58 Asianellus   Logunov & Heciak, 1996 Salticidae 2 no-key Species
59 Asthenargus   Simon & Fage, 1922 Linyphiidae 8 key Species
60 Aterigena   Bolzern, Hänggi & Burckhardt, 2010 Agelenidae 4 key Species
61 Attulus   Simon, 1889 Salticidae 9 no-key Species
62 Atypus   Latreille, 1804 Atypidae 3 key Species
63 Aulonia   C. L. Koch, 1847 Lycosidae 2 key Species
64 Azerithonica   Guseinov, Marusik & Koponen, 2005 Agelenidae 1 key Species
65 Badumna   Thorell, 1890 Desidae 1 key Species
66 Ballus   C. L. Koch, 1850 Salticidae 4 key Species
67 Barusia   Kratochvil, 1978 Leptonetidae 5 no-key Species
68 Baryphyma   Simon, 1884 Linyphiidae 6 key Species
69 Bassaniana   Strand, 1928 Thomisidae 1 no-key Species
70 Bathyphantes   Menge, 1866 Linyphiidae 13 key Species
71 Benoitia   Lehtinen, 1967 Agelenidae 1 no-key Species
72 Berinda   Roewer, 1928 Gnaphosidae 7 no-key Species
73 Berlandina   Dalmas, 1922 Gnaphosidae 11 key Species
74 Bianor   Peckham & Peckham, 1886 Salticidae 1 key Species
75 Birgerius   Saaristo, 1973 Linyphiidae 1 no-key Species
76 Bisetifer   Tanasevitch, 1987 Linyphiidae 1 no-key Species
77 Bogdocosa   Ponomarev & Belosludtsev 2008 Lycosidae 1 no-key Species
78 Bolephthyphantes   Strand, 1901 Linyphiidae 2 no-key Species
79 Bolyphantes   C. L. Koch, 1837 Linyphiidae 8 key Species
80 Bordea   Bosmans, 1995 Linyphiidae 3 no-key Species
81 Brachythele   Ausserer, 1871 Nemesiidae 8 no-key Species
82 Brigittea   Lehtinen, 1967 Dictynidae 5 no-key Species
83 Brignolia   Dumitrescu & Georgescu, 1983 Oonopidae 1 no-key Species
84 Brommella   Tullgren, 1948 Dictynidae 2 key Species
85 Callilepis   Westring, 1874 Gnaphosidae 4 key Species
86 Callobius   Chamberlin, 1947 Amaurobiidae 2 key Species
87 Camillina   Berland, 1919 Gnaphosidae 1 no-key Species
88 Canalidion   Wunderlich, 2008 Theridiidae 1 no-key Species
89 Canariphantes   Wunderlich, 1992 Linyphiidae 4 no-key Species
90 Caracladus   Simon, 1884 Linyphiidae 3 key Species
91 Carniella   Thaler & Steinberger, 1988 Theridiidae 1 key Species
92 Carorita   Duffey & Merrett, 1963 Linyphiidae 1 key Species
93 Carpathonesticus   Lehtinen & Saaristo, 1980 Nesticidae 21 no-key Species
94 Carrhotus   Thorell, 1891 Salticidae 1 key Species
95 Caspicosa   Ponomarev, 2007 Lycosidae 1 no-key Species
96 Castianeira   Keyserling, 1879 Corinnidae 1 no-key Species
97 Cataleptoneta   Denis, 1955 Leptonetidae 6 no-key Species
98 Caucasopisthes   Tanasevitch, 1990 Linyphiidae 1 no-key Species
99 Caviphantes   Oi, 1960 Linyphiidae 2 key Species
100 Cebrennus   Simon, 1880 Sparassidae 1 key Species
101 Cedicus   Simon, 1875 Cybaeidae 2 key Species
102 Centromerita   Dahl, 1912 Linyphiidae 2 key Species
103 Centromerus   Dahl, 1886 Linyphiidae 64 key Species
104 Centrophantes   Miller & Polenec, 1975 Linyphiidae 2 no-key Species
105 Cepheia   Simon, 1894 Synaphridae 1 key Species
106 Ceraticelus   Simon, 1884 Linyphiidae 1 no-key Species
107 Ceratinella   Emerton, 1882 Linyphiidae 6 key Species
108 Cercidia   Thorell, 1869 Araneidae 1 key Species
109 Cesonia   Simon, 1893 Gnaphosidae 1 no-key Species
110 Cetonana   Strand, 1929 Trachelidae 1 key Species
111 Chaerea   Simon, 1884 Dictynidae 1 no-key Species
112 Chaetopelma   Ausserer, 1871 Theraphosidae 4 key Species
113 Chalcoscirtus   Bertkau, 1880 Salticidae 11 key Species
114 Chatzakia   Lissner & Bosmans, 2016 Gnaphosidae 1 no-key Species
115 Cheiracanthium   C. L. Koch, 1839 Eutichuridae 28 key Species
116 Chinattus   Logunov, 1999 Salticidae 1 no-key Species
117 Chorizomma   Simon, 1872 Hahniidae 1 key Species
118 Chrysso   O. P.-Cambridge, 1882 Theridiidae 1 no-key Species
119 Cicurina   Menge, 1871 Hahniidae 3 key Species
120 Cinetata   Wunderlich, 1995 Linyphiidae 1 key Species
121 Cithaeron   O. P.-Cambridge, 1872 Cithaeronidae 1 key Species
122 Civizelotes   Senglet, 2012 Gnaphosidae 10 no-key Species
123 Clubiona   Latreille, 1804 Clubionidae 50 key Species
124 Cnephalocotes   Simon, 1884 Linyphiidae 2 key Species
125 Coelotes   Blackwall, 1841 Agelenidae 25 key Species
126 Coleosoma   O. P.-Cambridge, 1882 Theridiidae 1 key Species
127 Collinsia   O. P.-Cambridge, 1913 Linyphiidae 10 key Species
128 Comaroma   Bertkau, 1889 Anapidae 1 key Species
129 Coriarachne   Thorell, 1869 Thomisidae 1 key Species
130 Cortestina   Knoflach, 2009 Oonopidae 1 no-key Species
131 Coscinida   Simon, 1895 Theridiidae 1 no-key Species
132 Cozyptila   Lehtinen & Marusik, 2005 Thomisidae 3 no-key Species
133 Cresmatoneta   Simon, 1929 Linyphiidae 1 no-key Species
134 Creugas   Thorell, 1878 Corinnidae 1 no-key Species
135 Crosbyarachne   Charitonov, 1937 Linyphiidae 2 no-key Species
136 Crossopriza   Simon, 1893 Pholcidae 1 no-key Species
137 Crustulina   Menge, 1868 Theridiidae 4 key Species
138 Cryphoeca   Thorell, 1870 Cybaeidae 8 key Species
139 Cryphoecina   Deltshev, 1997 Cybaeidae 1 no-key Species
140 Cryptachaea   Archer, 1946 Theridiidae 3 no-key Species
141 Cryptodrassus   Miller, 1943 Gnaphosidae 3 key Species
142 Cryptoparachtes   Dunin, 1992 Dysderidae 3 no-key Species
143 Cteniza   Latreille, 1829 Ctenizidae 3 key Species
144 Cybaeodes   Simon, 1878 Liocranidae 10 no-key Species
145 Cybaeus   L. Koch, 1868 Cybaeidae 11 key Species
146 Cyclosa   Menge, 1866 Araneidae 6 key Species
147 Cyrba   Simon, 1876 Salticidae 2 no-key Species
148 Cyrtarachne   Thorell, 1868 Araneidae 1 no-key Species
149 Cyrtocarenum   Ausserer, 1871 Ctenizidae 2 key Species
150 Cyrtophora   Simon, 1864 Araneidae 1 no-key Species
151 Dactylopisthes   Simon, 1884 Linyphiidae 4 no-key Species
152 Dasumia   Thorell, 1875 Dysderidae 12 key Species
153 Decipiphantes   Saaristo & Tanasevitch, 1996 Linyphiidae 1 no-key Species
154 Deliriosa   Kovblyuk, 2009 Lycosidae 1 no-key Species
155 Dendryphantes   C. L. Koch, 1837 Salticidae 6 key Species
156 Devade   Simon, 1884 Dictynidae 2 no-key Species
157 Diaea   Thorell, 1869 Thomisidae 2 key Species
158 Diastanillus   Simon, 1926 Linyphiidae 1 no-key Species
159 Diblemma   O. P.-Cambridge, 1908 Oonopidae 1 no-key Species
160 Dictyna   Sundevall, 1833 Dictynidae 13 key Species
161 Dicymbium   Menge, 1868 Linyphiidae 3 key Species
162 Didectoprocnemis   Denis, 1949 Linyphiidae 1 no-key Species
163 Diplocentria   Hull, 1911 Linyphiidae 4 key Species
164 Diplocephalus   Bertkau, 1883 Linyphiidae 40 key Species
165 Diplostyla   Emerton, 1882 Linyphiidae 1 key Species
166 Dipoena   Thorell, 1869 Theridiidae 14 key Species
167 Dipoenata   Wunderlich, 1988 Theridiidae 1 no-key Species
168 Dirksia   Chamberlin & Ivie, 1942 Cybaeidae 1 key Species
169 Dismodicus   Simon, 1884 Linyphiidae 3 key Species
170 Dolomedes   Latreille, 1804 Pisauridae 2 key Species
171 Donacochara   Simon, 1884 Linyphiidae 1 key Species
172 Donacosa   Alderweireldt & Jocqué, 1991 Lycosidae 1 no-key Species
173 Drapetisca   Menge, 1866 Linyphiidae 1 key Species
174 Drassodes   Westring, 1851 Gnaphosidae 37 key Species
175 Drassodex   Murphy, 2007 Gnaphosidae 10 no-key Species
176 Drassyllus   Chamberlin, 1922 Gnaphosidae 14 key Species
177 Drepanotylus   Holm, 1945 Linyphiidae 3 key Species
178 Dresconella   Denis, 1950 Linyphiidae 1 no-key Species
179 Dysdera   Latreille, 1804 Dysderidae 144 key Species
180 Dysderella   Dunin, 1992 Dysderidae 1 no-key Species
181 Dysderocrates   Deeleman-Reinhold & Deeleman, 1988 Dysderidae 6 no-key Species
182 Ebrechtella   Dahl, 1907 Thomisidae 1 key Species
183 Echemus   Simon, 1878 Gnaphosidae 3 key Species
184 Eidmannella   Roewer, 1935 Nesticidae 1 key Species
185 Emblyna   Chamberlin, 1948 Dictynidae 4 key Species
186 Enoplognatha   Pavesi, 1880 Theridiidae 26 key Species
187 Entelecara   Simon, 1884 Linyphiidae 17 key Species
188 Episinus   Walckenaer, 1809 Theridiidae 6 key Species
189 Eratigena   Bolzern, Burckhardt & Hänggi, 2013 Agelenidae 20 no-key Species
190 Eresus   Walckenaer, 1805 Eresidae 15 key Species
191 Erigone   Audouin, 1826 Linyphiidae 30 key Species
192 Erigonella   Dahl, 1901 Linyphiidae 4 key Species
193 Erigonoplus   Simon, 1884 Linyphiidae 16 key Species
194 Ermetus   Ponomarev, 2008 Mimetidae 1 no-key Species
195 Ero   C. L. Koch, 1837 Mimetidae 8 key Species
196 Estrandia   Blauvelt, 1936 Linyphiidae 1 no-key Species
197 Euophrys   C. L. Koch, 1834 Salticidae 27 key Species
198 Euryopis   Menge, 1868 Theridiidae 13 key Species
199 Eusparassus   Simon, 1903 Sparassidae 3 key Species
200 Evansia   O. P.-Cambridge, 1900 Linyphiidae 1 key Species
201 Evarcha   Simon, 1902 Salticidae 9 key Species
202 Evippa   Simon, 1882 Lycosidae 4 no-key Species
203 Fageiella   Kratochvil, 1934 Linyphiidae 2 no-key Species
204 Filistata   Latreille, 1810 Filistatidae 2 key Species
205 Firmicus   Simon, 1895 Thomisidae 1 no-key Species
206 Flagelliphantes   Saaristo & Tanasevitch, 1996 Linyphiidae 1 no-key Species
207 Floronia   Simon, 1887 Linyphiidae 1 key Species
208 Folkia   Kratochvil, 1970 Dysderidae 7 no-key Species
209 Formiphantes   Menge, 1866 Linyphiidae 1 no-key Species
210 Frontinellina   van Helsdingen, 1969 Linyphiidae 1 key Species
211 Geolycosa   Montgomery, 1904 Lycosidae 3 no-key Species
212 Gibbaranea   Archer, 1951 Araneidae 6 key Species
213 Gibothorax   Eskov, 1989 Linyphiidae 1 no-key Species
214 Glyphesis   Simon, 1926 Linyphiidae 4 key Species
215 Glyptogona   Simon, 1884 Araneidae 1 no-key Species
216 Gnaphosa   Latreille, 1804 Gnaphosidae 64 key Species
217 Gnathonarium   Karsch, 1881 Linyphiidae 1 key Species
218 Gonatium   Menge, 1868 Linyphiidae 12 key Species
219 Gongylidiellum   Simon, 1884 Linyphiidae 7 key Species
220 Gongylidium   Menge, 1868 Linyphiidae 2 key Species
221 Habrocestum   Simon, 1876 Salticidae 10 no-key Species
222 Hackmania   Lehtinen, 1967 Dictynidae 1 key Species
223 Hadites   Keyserling, 1862 Agelenidae 1 no-key Species
224 Hadrotarsus   Thorell, 1881 Theridiidae 1 no-key Species
225 Hahnia   C. L. Koch, 1841 Hahniidae 14 key Species
226 Hahniharmia   Wunderlich, 2004 Hahniidae 1 no-key Species
227 Halodromus   Muster, 2009 Philodromidae 2 key Species
228 Halorates   Hull, 1911 Linyphiidae 1 key Species
229 Haplodrassus   Chamberlin, 1922 Gnaphosidae 35 key Species
230 Harpactea   Bristowe, 1939 Dysderidae 138 key Species
231 Harpactocrates   Simon, 1914 Dysderidae 13 key Species
232 Hasarius   Simon, 1871 Salticidae 1 key Species
233 Heliophanillus   Prószyński, 1989 Salticidae 1 no-key Species
234 Heliophanus   C. L. Koch, 1833 Salticidae 38 key Species
235 Helophora   Menge, 1866 Linyphiidae 1 key Species
236 Heriaeus   Simon, 1875 Thomisidae 11 key Species
237 Hersiliola   Thorell, 1870 Hersiliidae 4 no-key Species
238 Heser   Tuneva, 2004 Gnaphosidae 5 no-key Species
239 Heteroonops   Dalmas, 1916 Oonopidae 1 no-key Species
240 Heteropoda   Latreille, 1804 Sparassidae 2 key Species
241 Heterotheridion   Wunderlich, 2008 Theridiidae 1 no-key Species
242 Heterotrichoncus   Wunderlich, 1970 Linyphiidae 1 no-key Species
243 Hilaira   Simon, 1884 Linyphiidae 10 key Species
244 Histopona   Thorell, 1869 Agelenidae 21 key Species
245 Hogna   Simon, 1885 Lycosidae 15 key Species
246 Holissus   Simon, 1882 Dysderidae 1 no-key Species
247 Holocnemus   Simon, 1875 Pholcidae 3 key Species
248 Hoplopholcus   Kulczynski, 1908 Pholcidae 10 key Species
249 Horcotes   Crosby & Bishop, 1933 Linyphiidae 1 no-key Species
250 Hybauchenidium   Holm, 1973 Linyphiidae 2 no-key Species
251 Hybocoptus   Simon, 1884 Linyphiidae 3 no-key Species
252 Hygrocrates   Deeleman-Reinhold, 1988 Dysderidae 4 no-key Species
253 Hygrolycosa   Dahl, 1908 Lycosidae 2 key Species
254 Hyllus   C. L. Koch, 1846 Salticidae 1 no-key Species
255 Hylyphantes   Simon, 1884 Linyphiidae 2 key Species
256 Hypomma   Dahl, 1886 Linyphiidae 4 key Species
257 Hypselistes   Simon, 1894 Linyphiidae 3 key Species
258 Hypsocephalus   Millidge, 1978 Linyphiidae 4 no-key Species
259 Hypsosinga   Ausserer, 1871 Araneidae 5 key Species
260 Hyptiotes   Walckenaer, 1837 Uloboridae 4 key Species
261 Iberesia   Decae & Cardoso, 2006 Nemesiidae 3 no-key Species
262 Iberina   Simon, 1881 Hahniidae 6 key Species
263 Iberoneta   Deeleman-Reinhold, 1984 Linyphiidae 1 no-key Species
264 Icariella   Brignoli, 1979 Linyphiidae 1 no-key Species
265 Icius   Simon, 1876 Salticidae 6 no-key Species
266 Improphantes   Saaristo & Tanasevitch, 1996 Linyphiidae 7 no-key Species
267 Incestophantes   Tanasevitch, 1992 Linyphiidae 11 no-key Species
268 Inermocoelotes   Ovtchinnikov, 1999 Agelenidae 15 no-key Species
269 Ipa   Saaristo, 2007 Linyphiidae 3 no-key Species
270 Ischnocolus   Ausserer, 1871 Theraphosidae 1 key Species
271 Ischnothyreus   Simon, 1892 Oonopidae 3 key Species
272 Islandiana   Braendegaard, 1932 Linyphiidae 3 no-key Species
273 Jacksonella   Millidge, 1951 Linyphiidae 2 key Species
274 Janetschekia   Schenkel, 1939 Linyphiidae 1 no-key Species
275 Kaemis   Deeleman-Reinhold, 1993 Dysderidae 3 no-key Species
276 Kaestneria   Wiehle, 1956 Linyphiidae 3 key Species
277 Karita   Tanasevitch, 2007 Linyphiidae 1 no-key Species
278 Kikimora   Eskov, 1988 Linyphiidae 1 no-key Species
279 Kishidaia   Yaginuma, 1960 Gnaphosidae 2 key Species
280 Kochiura   Archer, 1950 Theridiidae 1 no-key Species
281 Kratochviliella   Miller, 1938 Linyphiidae 1 no-key Species
282 Kryptonesticus   Pavlek & Ribera, 2017 Nesticidae 8 no-key Species
283 Labulla   Simon, 1884 Linyphiidae 3 key Species
284 Lachesana   Strand, 1932 Zodariidae 2 key Species
285 Larinia   Simon, 1874 Araneidae 6 key Species
286 Larinioides   Caporiacco, 1934 Araneidae 5 key Species
287 Lasaeola   Simon, 1881 Theridiidae 10 no-key Species
288 Lasiargus   Kulczynski, 1894 Linyphiidae 1 key Species
289 Lathys   Simon, 1884 Dictynidae 11 key Species
290 Latrodectus   Walckenaer, 1805 Theridiidae 7 no-key Species
291 Lepthyphantes   Menge, 1866 Linyphiidae 45 key Species
292 Leptodrassex   Murphy, 2007 Gnaphosidae 2 no-key Species
293 Leptodrassus   Simon, 1878 Gnaphosidae 4 no-key Species
294 Leptoneta   Simon, 1872 Leptonetidae 31 no-key Species
295 Leptonetela   Kratochvil, 1978 Leptonetidae 11 no-key Species
296 Leptopilos   Levy, 2009 Gnaphosidae 3 no-key Species
297 Leptorchestes   Thorell, 1870 Salticidae 4 key Species
298 Leptorhoptrum   Kulczynski, 1894 Linyphiidae 1 key Species
299 Leptothrix   Menge, 1869 Linyphiidae 1 key Species
300 Lessertia   Smith, 1908 Linyphiidae 2 key Species
301 Lessertinella   Denis, 1947 Linyphiidae 2 key Species
302 Leviellus   Wunderlich 2004 Araneidae 3 no-key Species
303 Linyphia   Latreille, 1804 Linyphiidae 8 key Species
304 Liocranoeca   Wunderlich, 1999 Liocranidae 2 no-key Species
305 Liocranum   L. Koch, 1866 Liocranidae 9 key Species
306 Liophrurillus   Wunderlich, 1992 Phrurolithidae 1 no-key Species
307 Lipocrea   Thorell, 1878 Araneidae 1 no-key Species
308 Logunyllus   Prószyński, 2016 Salticidae 9 no-key Species
309 Lophomma   Menge, 1868 Linyphiidae 1 key Species
310 Loureedia   Miller et al., 2012 Eresidae 1 key Species
311 Loxosceles   Heineken & Lowe, 1835 Sicariidae 2 no-key Species
312 Lycosa   Latreille, 1804 Lycosidae 14 key Species
313 Lycosoides   Lucas, 1846 Agelenidae 4 no-key Species
314 Macaroeris   Wunderlich, 1992 Salticidae 3 key Species
315 Macrargus   Dahl, 1886 Linyphiidae 6 key Species
316 Macrothele   Ausserer, 1871 Hexathelidae 2 no-key Species
317 Maculoncus   Wunderlich, 1995 Linyphiidae 1 no-key Species
318 Maimuna   Lehtinen, 1967 Agelenidae 4 no-key Species
319 Malthonica   Simon, 1898 Agelenidae 6 no-key Species
320 Mangora   O. P.-Cambridge, 1889 Araneidae 1 key Species
321 Mansuphantes   Saaristo & Tanasevitch, 1996 Linyphiidae 13 no-key Species
322 Marilynia   Lehtinen, 1967 Dictynidae 2 no-key Species
323 Maro   O. P.-Cambridge, 1906 Linyphiidae 6 key Species
324 Marpissa   C. L. Koch, 1846 Salticidae 7 key Species
325 Marusyllus   Prószyński, 2016 Salticidae 2 no-key Species
326 Masikia   Millidge, 1984 Linyphiidae 1 no-key Species
327 Maso   Simon, 1884 Linyphiidae 3 key Species
328 Mastigusa   Menge, 1854 Hahniidae 3 key Species
329 Mecopisthes   Simon, 1926 Linyphiidae 11 key Species
330 Mecynargus   Kulczynski, 1894 Linyphiidae 11 key Species
331 Megalepthyphantes   Wunderlich, 1994 Linyphiidae 8 no-key Species
332 Megarctosa   Caporiacco, 1948 Lycosidae 1 no-key Species
333 Mendoza   Peckham & Peckham, 1894 Salticidae 1 no-key Species
334 Menemerus   Simon, 1868 Salticidae 9 no-key Species
335 Meotipa   Simon, 1894 Theridiidae 1 no-key Species
336 Mermessus   O. P.-Cambridge, 1899 Linyphiidae 2 no-key Species
337 Mesasigone   Tanasevitch, 1989 Linyphiidae 1 no-key Species
338 Mesiotelus   Simon, 1897 Liocranidae 8 no-key Species
339 Mesostalita   Deeleman-Reinhold, 1971 Dysderidae 3 no-key Species
340 Meta   C. L. Koch, 1836 Tetragnathidae 2 key Species
341 Metapanamomops   Millidge, 1977 Linyphiidae 1 key Species
342 Metatrachelas   Bosselaers & Bosmans, 2010 Trachelidae 2 no-key Species
343 Metellina   Chamberlin & Ivie, 1941 Tetragnathidae 5 key Species
344 Metopobactrus   Simon, 1884 Linyphiidae 8 key Species
345 Micaria   Westring, 1851 Gnaphosidae 31 key Species
346 Micrargus   Dahl, 1886 Linyphiidae 10 key Species
347 Microctenonyx   Dahl, 1886 Linyphiidae 2 key Species
348 Microdipoena   Banks, 1895 Mysmenidae 1 key Species
349 Microlinyphia   Gerhardt, 1928 Linyphiidae 3 key Species
350 Micrommata   Latreille, 1804 Sparassidae 6 key Species
351 Microneta   Menge, 1869 Linyphiidae 3 key Species
352 Micropholcus   Deeleman-Reinhold & Prinsen, 1987 Pholcidae 1 no-key Species
353 Midia   Saaristo & Wunderlich, 1995 Linyphiidae 1 no-key Species
354 Mimetus   Hentz, 1832 Mimetidae 2 no-key Species
355 Minicia   Thorell, 1875 Linyphiidae 6 key Species
356 Minosia   Dalmas, 1921 Gnaphosidae 1 no-key Species
357 Minotauria   Kulczynski, 1903 Dysderidae 2 no-key Species
358 Minyriolus   Simon, 1884 Linyphiidae 3 key Species
359 Mioxena   Simon, 1926 Linyphiidae 1 key Species
360 Misumena   Latreille, 1804 Thomisidae 2 key Species
361 Misumenops   F. O. P.-Cambridge, 1900 Thomisidae 1 no-key Species
362 Mizaga   Simon, 1898 Dictynidae 1 no-key Species
363 Modisimus   Simon, 1893 Pholcidae 1 no-key Species
364 Moebelia   Dahl, 1886 Linyphiidae 2 no-key Species
365 Mogrus   Simon, 1882 Salticidae 5 no-key Species
366 Monaeses   Thorell, 1869 Thomisidae 2 no-key Species
367 Monocephalus   Smith, 1906 Linyphiidae 2 no-key Species
368 Monocerellus   Tanasevitch, 1983 Linyphiidae 1 no-key Species
369 Mughiphantes   Saaristo & Tanasevitch, 1999 Linyphiidae 28 no-key Species
370 Mustelicosa   Roewer, 1960 Lycosidae 1 no-key Species
371 Mycula   Schikora, 1994 Linyphiidae 1 no-key Species
372 Myrmarachne   Mac Leay, 1839 Salticidae 3 key Species
373 Mysmena   Simon, 1894 Mysmenidae 2 key Species
374 Napoca   Simon, 1901 Salticidae 1 no-key Species
375 Neaetha   Simon, 1884 Salticidae 3 key Species
376 Nematogmus   Simon, 1844 Linyphiidae 1 no-key Species
377 Nemesia   Audouin, 1826 Nemesiidae 54 key Species
378 Nemoscolus   Simon, 1895 Araneidae 1 no-key Species
379 Neon   Simon, 1876 Salticidae 9 key Species
380 Neoscona   Simon, 1864 Araneidae 4 key Species
381 Neospintharus   Exline, 1950 Theridiidae 1 no-key Species
382 Neottiura   Menge, 1868 Theridiidae 6 key Species
383 Neriene   Blackwall, 1833 Linyphiidae 7 key Species
384 Nesticella   Lehtinen & Saaristo, 1980 Nesticidae 1 no-key Species
385 Nesticodes   Archer, 1950 Theridiidae 1 key Species
386 Nesticus   Thorell, 1869 Nesticidae 17 key Species
387 Nigma   Lehtinen, 1967 Dictynidae 7 key Species
388 Nomisia   Dalmas, 1921 Gnaphosidae 15 key Species
389 Nothophantes   Merrett & Stevens, 1995 Linyphiidae 1 no-key Species
390 Notioscopus   Simon, 1884 Linyphiidae 1 key Species
391 Nuctenea   Simon, 1864 Araneidae 2 key Species
392 Nurscia   Simon, 1874 Titanoecidae 3 key Species
393 Nusoncus   Wunderlich, 2008 Linyphiidae 1 no-key Species
394 Obscuriphantes   Saaristo & Tanasevtich, 2000 Linyphiidae 4 no-key Species
395 Octonoba   Opell, 1979 Uloboridae 1 no-key Species
396 Ocyale   Audouin, 1826 Lycosidae 1 no-key Species
397 Oecobius   Lucas, 1846 Oecobiidae 9 key Species
398 Oedignatha   Thorell, 1881 Liocranidae 1 no-key Species
399 Oedothorax   Bertkau, 1883 Linyphiidae 10 key Species
400 Ohlertidion   Wunderlich, 2008 Theridiidae 1 no-key Species
401 Okinawicius   Prószyński, 2016 Salticidae 1 no-key Species
402 Olios   Walckenaer, 1837 Sparassidae 3 key Species
403 Oonopinus   Simon, 1893 Oonopidae 2 no-key Species
404 Oonops   Templeton, 1835 Oonopidae 12 key Species
405 Opopaea   Simon, 1892 Oonopidae 4 no-key Species
406 Orchestina   Simon, 1882 Oonopidae 9 key Species
407 Oreoneta   Chyzer & Kulczynski 1894 Linyphiidae 8 no-key Species
408 Oreonetides   Strand, 1901 Linyphiidae 3 key Species
409 Orthobula   Simon, 1897 Phrurolithidae 1 key Species
410 Oryphantes   Menge, 1866 Linyphiidae 2 no-key Species
411 Ostearius   Hull, 1911 Linyphiidae 1 key Species
412 Ouedia   Bosmans & Abrous, 1992 Linyphiidae 1 no-key Species
413 Ovtchinnikovia   Marusik, Kovblyuk & Ponomarev, 2010 Amaurobiidae 1 key Species
414 Oxyopes   Latreille, 1804 Oxyopidae 8 key Species
415 Ozyptila   Simon, 1864 Thomisidae 41 key Species
416 Pachygnatha   Sundevall, 1823 Tetragnathidae 9 key Species
417 Paidiscura   Archer, 1950 Theridiidae 2 key Species
418 Palaestina   O. P.-Cambridge, 1872 Zodariidae 1 key Species
419 Palliduphantes   Saaristo & Tanasevtich, 2001 Linyphiidae 44 no-key Species
420 Palpimanus   Dufour, 1820 Palpimanidae 6 no-key Species
421 Panamomops   Simon, 1884 Linyphiidae 11 key Species
422 Pancorius   Simon, 1902 Salticidae 1 no-key Species
423 Pandava   Lehtinen, 1967 Titanoecidae 1 key Species
424 Panysinus   Simon, 1901 Salticidae 1 no-key Species
425 Paracedicus   Fet, 1993 Cybaeidae 1 key Species
426 Parachtes   Alicata, 1964 Dysderidae 13 no-key Species
427 Paraglyphesis   Eskov, 1991 Linyphiidae 1 no-key Species
428 Paraleptoneta   Fage, 1913 Leptonetidae 1 no-key Species
429 Parapelecopsis   Wunderlich, 1992 Linyphiidae 4 no-key Species
430 Parastalita   Absolon & Kratochvil, 1932 Dysderidae 1 no-key Species
431 Parasteatoda   Archer, 1946 Theridiidae 4 key Species
432 Parasyrisca   Schenkel, 1963 Gnaphosidae 9 key Species
433 Paratrachelas   Kovblyuk & Nadolny, 2009 Trachelidae 3 no-key Species
434 Pardosa   C. L. Koch, 1847 Lycosidae 113 key Species
435 Pax   Levy, 1990 Zodariidae 1 key Species
436 Pecado   Hormiga & Scharff, 2005 Linyphiidae 1 no-key Species
437 Pelecopsis   Simon, 1864 Linyphiidae 26 key Species
438 Pellenes   Simon, 1876 Salticidae 20 key Species
439 Peponocranium   Simon, 1884 Linyphiidae 4 key Species
440 Perregrinus   Tanasevitch, 1992 Linyphiidae 1 no-key Species
441 Perro   Tanasevitch, 1992 Linyphiidae 1 no-key Species
442 Peucetia   Thorell, 1869 Oxyopidae 3 no-key Species
443 Phaeocedus   Simon, 1893 Gnaphosidae 3 key Species
444 Philaeus   Thorell, 1869 Salticidae 1 key Species
445 Philodromus   Walckenaer, 1826 Philodromidae 38 key Species
446 Phintella   Strand, 1906 Salticidae 1 no-key Species
447 Phlegra   Simon, 1876 Salticidae 12 key Species
448 Pholcomma   Thorell, 1869 Theridiidae 1 key Species
449 Pholcus   Walckenaer, 1805 Pholcidae 11 key Species
450 Phoneutria   Perty, 1833 Ctenidae 1 no-key Species
451 Phoroncidia   Westwood, 1835 Theridiidae 3 key Species
452 Phrurolinillus   Wunderlich, 1995 Phrurolithidae 2 no-key Species
453 Phrurolithus   C. L. Koch, 1839 Phrurolithidae 9 key Species
454 Phycosoma   O. P.-Cambridge, 1879 Theridiidae 1 no-key Species
455 Phylloneta   Archer, 1950 Theridiidae 3 no-key Species
456 Phyxelida   Simon, 1894 Phyxelididae 1 no-key Species
457 Pimoa   Chamberlin & Ivie, 1943 Pimoidae 4 no-key Species
458 Piniphantes   Saaristo & Tanasevitch, 1996 Linyphiidae 2 no-key Species
459 Pirata   Sundevall, 1833 Lycosidae 3 key Species
460 Piratula   Roewer, 1960 Lycosidae 6 no-key Species
461 Pireneitega   Kishida, 1955 Agelenidae 7 no-key Species
462 Pisaura   Simon, 1886 Pisauridae 5 key Species
463 Pistius   Simon, 1875 Thomisidae 2 key Species
464 Pityohyphantes   Simon, 1929 Linyphiidae 2 key Species
465 Plaesianillus   Simon, 1926 Linyphiidae 1 no-key Species
466 Platnickina   Kocak & Kemal, 2008 Theridiidae 2 no-key Species
467 Plesiophantes   Heimer, 1981 Linyphiidae 3 no-key Species
468 Plexippoides   Proszynski, 1985 Salticidae 2 no-key Species
469 Plexippus   C. L. Koch, 1846 Salticidae 4 no-key Species
470 Pocadicnemis   Simon, 1884 Linyphiidae 4 key Species
471 Poecilochroa   Westring, 1874 Gnaphosidae 10 key Species
472 Poeciloneta   Kulczynski, 1894 Linyphiidae 1 key Species
473 Polenecia   Lehtinen, 1967 Uloboridae 1 key Species
474 Porrhomma   Simon, 1884 Linyphiidae 17 key Species
475 Praestigia   Millidge, 1954 Linyphiidae 4 no-key Species
476 Prinerigone   Millidge, 1988 Linyphiidae 1 no-key Species
477 Pritha   Lehtinen, 1967 Filistatidae 6 key Species
478 Prochora   Simon, 1885 Miturgidae 1 key Species
479 Prodidomus   Hentz, 1847 Prodidomidae 3 no-key Species
480 Proislandiana   Tanasevitch, 1985 Linyphiidae 1 no-key Species
481 Protoleptoneta   Deltshev, 1972 Leptonetidae 4 no-key Species
482 Pseudanapis   Simon, 1905 Anapidae 1 no-key Species
483 Pseudeuophrys   Dahl, 1912 Salticidae 6 no-key Species
484 Pseudicius   Simon, 1885 Salticidae 10 key Species
485 Pseudocarorita   Wunderlich, 1980 Linyphiidae 1 no-key Species
486 Pseudocyba   Tanasevitch, 1984 Linyphiidae 1 no-key Species
487 Pseudodrassus   Caporiacco, 1935 Gnaphosidae 1 no-key Species
488 Pseudomaro   Denis, 1966 Linyphiidae 1 key Species
489 Psilochorus   Simon, 1893 Pholcidae 1 key Species
490 Pterotricha   Kulczynski, 1903 Gnaphosidae 7 no-key Species
491 Pterotrichina   Dalmas, 1921 Gnaphosidae 1 no-key Species
492 Pulchellodromus   Wunderlich, 2012 Philodromidae 9 no-key Species
493 Pyrenecosa   Marusik, Azarkina & Koponen, 2004 Lycosidae 3 no-key Species
494 Raveniola   Zonstein, 1987 Nemesiidae 6 no-key Species
495 Rhode   Simon, 1882 Dysderidae 8 no-key Species
496 Rhodera   Deeleman-Reinhold, 1989 Dysderidae 1 no-key Species
497 Rhomphaea   L. Koch, 1872 Theridiidae 5 no-key Species
498 Rhysodromus   Schick, 1965 Philodromidae 7 no-key Species
499 Robertus   O. P.-Cambridge, 1879 Theridiidae 18 key Species
500 Ruborridion   Wunderlich, 2011 Theridiidae 1 no-key Species
501 Rudakius   Prószyński, 2016 Salticidae 2 no-key Species
502 Rugathodes   Archer, 1950 Theridiidae 4 key Species
503 Runcinia   Simon, 1875 Thomisidae 2 key Species
504 Russocampus   Tanasevitch, 2004 Linyphiidae 1 no-key Species
505 Saaristoa   Millidge, 1978 Linyphiidae 2 key Species
506 Sagana   Thorell, 1875 Liocranidae 1 no-key Species
507 Saitis   Simon, 1876 Salticidae 6 key Species
508 Saloca   Simon, 1926 Linyphiidae 2 key Species
509 Salticus   Latreille, 1804 Salticidae 20 key Species
510 Sandalodes   Keyserling, 1883 Salticidae 1 no-key Species
511 Sardinidion   Wunderlich, 1995 Theridiidae 1 no-key Species
512 Sardostalita   Gasparo, 1999 Dysderidae 1 no-key Species
513 Satilatlas   Keyserling, 1886 Linyphiidae 1 key Species
514 Sauron   Eskov, 1995 Linyphiidae 1 no-key Species
515 Savignia   Blackwall, 1833 Linyphiidae 7 key Species
516 Scandichrestus   Wunderlich, 1995 Linyphiidae 1 no-key Species
517 Sciastes   Bishop & Crosby, 1938 Linyphiidae 1 key Species
518 Scotargus   Simon, 1913 Linyphiidae 1 no-key Species
519 Scotina   Menge, 1873 Liocranidae 4 key Species
520 Scotinotylus   Simon, 1884 Linyphiidae 6 key Species
521 Scotolathys   Simon, 1884 Dictynidae 1 no-key Species
522 Scotophaeus   Simon, 1893 Gnaphosidae 18 key Species
523 Scutpelecopsis   Marusik & Gnelitsa, 2009 Linyphiidae 4 no-key Species
524 Scytodes   Latreille, 1804 Scytodidae 8 key Species
525 Segestria   Latreille, 1804 Segestriidae 9 key Species
526 Selamia   Simon, 1873 Zodariidae 1 key Species
527 Selenops   Latreille, 1819 Selenopidae 1 no-key Species
528 Semljicola   Strand, 1906 Linyphiidae 20 key Species
529 Sernokorba   Kamura, 1992 Gnaphosidae 1 no-key Species
530 Setaphis   Simon, 1893 Gnaphosidae 4 no-key Species
531 Shaitan   Kovblyuk, Kastrygina & Marusik, 2013 Gnaphosidae 1 no-key Species
532 Sibianor   Logunov, 2001 Salticidae 4 no-key Species
533 Sidydrassus   Esyunin & Tuneva, 2002 Gnaphosidae 1 no-key Species
534 Silhouettella   Benoit, 1979 Oonopidae 2 key Species
535 Silometopoides   Eskov, 1990 Linyphiidae 3 no-key Species
536 Silometopus   Simon, 1926 Linyphiidae 12 key Species
537 Simitidion   Wunderlich, 1992 Theridiidae 3 no-key Species
538 Singa   C. L. Koch, 1836 Araneidae 7 key Species
539 Sintula   Simon, 1884 Linyphiidae 12 key Species
540 Sisicus   Bishop & Crosby, 1938 Linyphiidae 1 no-key Species
541 Sitticus   Simon, 1901 Salticidae 2 key Species
542 Sittiflor   Prószyński, 2017 Salticidae 8 no-key Species
543 Sittilong   Prószyński, 2017 Salticidae 1 no-key Species
544 Sittipub   Prószyński, 2016 Salticidae 2 no-key Species
545 Sittisax   Prószyński, 2017 Salticidae 3 no-key Species
546 Siwa   Grasshoff, 1970 Araneidae 2 no-key Species
547 Smeringopus   Simon, 1890 Pholcidae 1 key Species
548 Sosticus   Chamberlin, 1922 Gnaphosidae 1 key Species
549 Speleoharpactea   Ribera, 1982 Dysderidae 1 no-key Species
550 Spermophora   Hentz, 1841 Pholcidae 2 key Species
551 Spermophorides   Wunderlich, 1992 Pholcidae 8 no-key Species
552 Spinestis   Saaristo & Marusik 2009 Oonopidae 1 no-key Species
553 Stalagtia   Kratochvil, 1970 Dysderidae 7 no-key Species
554 Stalita   Schiödte, 1847 Dysderidae 4 key Species
555 Stalitella   Absolon & Kratochvil, 1932 Dysderidae 1 no-key Species
556 Steatoda   Sundevall, 1833 Theridiidae 14 key Species
557 Stegodyphus   Simon, 1873 Eresidae 1 key Species
558 Stemonyphantes   Menge, 1866 Linyphiidae 7 key Species
559 Stygopholcus   Absolon & Kratochvil, 1932 Pholcidae 4 no-key Species
560 Styloctetor   Simon, 1884 Linyphiidae 3 key Species
561 Sulcia   Kratochvil, 1938 Leptonetidae 10 no-key Species
562 Syedra   Simon, 1884 Linyphiidae 5 key Species
563 Synageles   Simon, 1876 Salticidae 7 key Species
564 Synaphosus   Platnick & Shadab, 1980 Gnaphosidae 4 no-key Species
565 Synaphris   Simon, 1894 Synaphridae 3 no-key Species
566 Synema   Simon, 1864 Thomisidae 6 key Species
567 Talanites   Simon 1893 Gnaphosidae 4 no-key Species
568 Talavera   Peckham & Peckham, 1909 Salticidae 12 key Species
569 Tallusia   Lehtinen & Saaristo, 1972 Linyphiidae 4 no-key Species
570 Tama   Simon, 1882 Hersiliidae 1 no-key Species
571 Tanasevitchia   Marusik & Saaristo, 1999 Linyphiidae 1 no-key Species
572 Tapinesthis   Simon, 1914 Oonopidae 1 key Species
573 Tapinocyba   Simon, 1884 Linyphiidae 18 key Species
574 Tapinocyboides   Wiehle, 1960 Linyphiidae 1 key Species
575 Tapinopa   Westring, 1851 Linyphiidae 3 key Species
576 Taranucnus   Simon, 1884 Linyphiidae 3 key Species
577 Tarsiphantes   Strand, 1905 Linyphiidae 1 no-key Species
578 Tegenaria   Latreille, 1804 Agelenidae 89 key Species
579 Telema   Simon, 1882 Telemidae 1 key Species
580 Teloleptoneta   Ribera, 1988 Leptonetidae 1 no-key Species
581 Tenuiphantes   Saaristo & Tanasevitch, 1996 Linyphiidae 25 no-key Species
582 Tetragnatha   Latreille, 1804 Tetragnathidae 17 key Species
583 Textrix   Sundevall, 1833 Agelenidae 6 key Species
584 Thaleria   Tanasevitch, 1984 Linyphiidae 1 no-key Species
585 Thanatus   C. L. Koch, 1837 Philodromidae 29 key Species
586 Thaumatoncus   Simon, 1884 Linyphiidae 1 no-key Species
587 Theonina   Simon, 1929 Linyphiidae 2 key Species
588 Theonoe   Simon, 1881 Theridiidae 4 key Species
589 Theotima   Simon, 1893 Ochyroceratidae 1 no-key Species
590 Theridion   Walckenaer, 1805 Theridiidae 45 key Species
591 Theridiosoma   O. P.-Cambridge, 1879 Theridiosomatidae 1 key Species
592 Theridula   Emerton, 1882 Theridiidae 3 no-key Species
593 Thomisus   Walckenaer, 1805 Thomisidae 4 key Species
594 Thyene   Simon, 1885 Salticidae 3 no-key Species
595 Thymoites   Keyserling, 1884 Theridiidae 2 no-key Species
596 Thyreosthenius   Simon, 1884 Linyphiidae 2 key Species
597 Tibellus   Simon, 1875 Philodromidae 6 key Species
598 Tibiaster   Tanasevitch, 1987 Linyphiidae 1 no-key Species
599 Tibioploides   Eskov & Marusik, 1991 Linyphiidae 1 no-key Species
600 Tibioplus   Chamberlin & Ivie, 1947 Linyphiidae 1 no-key Species
601 Tiso   Simon, 1884 Linyphiidae 3 key Species
602 Titanoeca   Thorell, 1870 Titanoecidae 14 key Species
603 Tmarus   Simon, 1875 Thomisidae 6 key Species
604 Tmeticus   Menge, 1868 Linyphiidae 2 key Species
605 Trabea   Simon, 1876 Lycosidae 2 no-key Species
606 Trachelas   L. Koch, 1872 Trachelidae 2 no-key Species
607 Trachyzelotes   Lohmander, 1944 Gnaphosidae 17 key Species
608 Trebacosa   Dondale & Redner, 1981 Lycosidae 1 no-key Species
609 Trematocephalus   Dahl, 1886 Linyphiidae 2 key Species
610 Triaeris   Simon, 1892 Oonopidae 1 key Species
611 Tricholathys   Chamberlin & Ivie, 1935 Dictynidae 1 no-key Species
612 Trichoncoides   Denis, 1950 Linyphiidae 3 no-key Species
613 Trichoncus   Simon, 1884 Linyphiidae 21 key Species
614 Trichoncyboides   Wunderlich, 2008 Linyphiidae 1 no-key Species
615 Trichopterna   Kulczynski, 1894 Linyphiidae 3 key Species
616 Trichopternoides   Wunderlich, 2008 Linyphiidae 1 no-key Species
617 Trochosa   C. L. Koch, 1847 Lycosidae 9 key Species
618 Troglohyphantes   Joseph, 1881 Linyphiidae 126 key Species
619 Trogloneta   Simon, 1922 Mysmenidae 1 key Species
620 Troxochrota   Kulczynski, 1894 Linyphiidae 1 no-key Species
621 Troxochrus   Simon, 1884 Linyphiidae 4 key Species
622 Trygetus   Simon, 1882 Zodariidae 1 key Species
623 Tubercithorax   Eskov, 1988 Linyphiidae 1 no-key Species
624 Tuberta   Simon, 1884 Cybaeidae 2 key Species
625 Turinyphia   van Helsdingen, 1982 Linyphiidae 1 no-key Species
626 Turkozelotes   Kovblyuk & Seyyar, 2009 Gnaphosidae 1 no-key Species
627 Typhlonesticus   Kulczynski, 1914 Nesticidae 5 no-key Species
628 Typhlonyphia   Kratochvil, 1936 Linyphiidae 2 no-key Species
629 Typhochrestus   Simon, 1884 Linyphiidae 18 key Species
630 Uloborus   Latreille, 1806 Uloboridae 3 key Species
631 Ummidia   Thorell, 1875 Ctenizidae 3 key Species
632 Uralophantes   Esyunin, 1992 Linyphiidae 1 no-key Species
633 Urocoras   Ovtchinnikov, 1999 Agelenidae 4 no-key Species
634 Uroctea   Dufour, 1820 Oecobiidae 3 key Species
635 Urozelotes   Mello-Leitao, 1938 Gnaphosidae 3 key Species
636 Vankeeria   Bosselaers, 2012 Liocranidae 1 no-key Species
637 Vesubia   Simon, 1909 Lycosidae 2 key Species
638 Viktorium   Eskov, 1988 Linyphiidae 1 no-key Species
639 Wabasso   Millidge, 1984 Linyphiidae 2 no-key Species
640 Wadicosa   Zyuzin, 1985 Lycosidae 1 no-key Species
641 Walckenaeria   Blackwall, 1833 Linyphiidae 53 key Species
642 Walckenaerianus   Wunderlich, 1995 Linyphiidae 1 no-key Species
643 Wiehlea   Braun, 1959 Linyphiidae 1 no-key Species
644 Wiehlenarius   Eskov, 1990 Linyphiidae 1 no-key Species
645 Wubanoides   Eskov, 1986 Linyphiidae 2 no-key Species
646 Xerolycosa   Dahl, 1908 Lycosidae 2 key Species
647 Xysticus   C. L. Koch, 1835 Thomisidae 104 key Species
648 Yaginumena   Yoshida, 2002 Theridiidae 1 no-key Species
649 Yllenus   Simon, 1868 Salticidae 2 key Species
650 Zaitunia   Lehtinen, 1967 Filistatidae 3 no-key Species
651 Zangherella   Caporiacco, 1949 Anapidae 3 key Species
652 Zelominor   Snazell & Murphy, 1997 Gnaphosidae 2 key Species
653 Zelotes   Gistel, 1848 Gnaphosidae 107 key Species
654 Zilla   C. L. Koch, 1836 Araneidae 1 key Species
655 Zimirina   Dalmas, 1919 Prodidomidae 1 key Species
656 Zimiris   Simon, 1882 Prodidomidae 1 key Species
657 Zodarion   Walckenaer, 1826 Zodariidae 113 key Species
658 Zora   C. L. Koch, 1847 Miturgidae 11 key Species
659 Zornella   Jackson, 1932 Linyphiidae 1 no-key Species
660 Zoropsis   Simon, 1878 Zoropsidae 7 key Species
661 Zygiella   F. O. P.-Cambridge, 1902 Araneidae 4 key Species