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Spider Species List for Colorado

This list is updated daily at 10:00 GMT
and is compiled from contributed specimen records.

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(Contact: David Shorthouse, dshorthouse(at)eol.org)

# Family Species
1 78 AGELENIDAE Agelenopsis aleenae Chamberlin & Ivie, 1935
2 78 AGELENIDAE Agelenopsis aperta (Gertsch, 1934)
3 78 AGELENIDAE Agelenopsis emertoni Chamberlin & Ivie, 1935
4 78 AGELENIDAE Agelenopsis longistyla (Banks, 1901)
5 78 AGELENIDAE Agelenopsis naevia (Walckenaer, 1842)
6 78 AGELENIDAE Agelenopsis oklahoma (Gertsch, 1936)
7 78 AGELENIDAE Agelenopsis pennsylvanica (C. L. Koch, 1843)
8 78 AGELENIDAE Agelenopsis potteri (Blackwall, 1846)
9 78 AGELENIDAE Agelenopsis spatula Chamberlin & Ivie, 1935
10 78 AGELENIDAE Agelenopsis utahana (Chamberlin & Ivie, 1933)
11 78 AGELENIDAE Calilena gertschi Chamberlin & Ivie, 1941
12 78 AGELENIDAE Calilena restricta Chamberlin & Ivie, 1941
13 78 AGELENIDAE Hololena hola (Chamberlin, 1928)
14 78 AGELENIDAE Hololena nevada (Chamberlin & Gertsch, 1929)
15 78 AGELENIDAE Hololena oquirrhensis (Chamberlin & Gertsch, 1930)
16 78 AGELENIDAE Novalena lutzi (Gertsch, 1933)
17 78 AGELENIDAE Tegenaria agrestis (Walckenaer, 1802)
18 78 AGELENIDAE Tegenaria domestica (Clerck, 1757)
19 78 AGELENIDAE Tegenaria duellica Simon, 1875
20 86 AMAUROBIIDAE Amaurobius ferox (Walckenaer, 1830)
21 86 AMAUROBIIDAE Arctobius agelenoides (Emerton, 1919)
22 86 AMAUROBIIDAE Callobius arizonicus (Chamberlin & Ivie, 1947)
23 86 AMAUROBIIDAE Callobius nevadensis (Simon, 1884)
24 86 AMAUROBIIDAE Callobius nomeus (Chamberlin, 1919)
25 3 ANTRODIAETIDAE Antrodiaetus apachecus Coyle, 1971
26 92 ANYPHAENIDAE Anyphaena dixiana (Chamberlin & Woodbury, 1929)
27 92 ANYPHAENIDAE Anyphaena gibboides Platnick, 1974
28 92 ANYPHAENIDAE Anyphaena marginalis (Banks, 1901)
29 92 ANYPHAENIDAE Anyphaena pacifica (Banks, 1896)
30 65 ARANEIDAE Acanthepeira stellata (Walckenaer, 1805)
31 65 ARANEIDAE Aculepeira carbonarioides (Keyserling, 1892)
32 65 ARANEIDAE Aculepeira packardi (Thorell, 1875)
33 65 ARANEIDAE Araneus gemma (McCook, 1888)
34 65 ARANEIDAE Araneus gemmoides Chamberlin & Ivie, 1935
35 65 ARANEIDAE Araneus illaudatus (Gertsch & Mulaik, 1936)
36 65 ARANEIDAE Araneus marmoreus Clerck, 1757
37 65 ARANEIDAE Araneus nordmanni (Thorell, 1870)
38 65 ARANEIDAE Araneus pratensis (Emerton, 1884)
39 65 ARANEIDAE Araneus saevus (L. Koch, 1872)
40 65 ARANEIDAE Araneus trifolium (Hentz, 1847)
41 65 ARANEIDAE Araniella cucurbitina (Clerck, 1757)
42 65 ARANEIDAE Araniella displicata (Hentz, 1847)
43 65 ARANEIDAE Argiope aurantia Lucas, 1833
44 65 ARANEIDAE Argiope trifasciata (Forsskål, 1775)
45 65 ARANEIDAE Colphepeira catawba (Banks, 1911)
46 65 ARANEIDAE Cyclosa conica (Pallas, 1772)
47 65 ARANEIDAE Eustala anastera (Walckenaer, 1842)
48 65 ARANEIDAE Eustala rosae Chamberlin & Ivie, 1935
49 65 ARANEIDAE Hypsosinga funebris (Keyserling, 1892)
50 65 ARANEIDAE Hypsosinga pygmaea (Sundevall, 1831)
51 65 ARANEIDAE Larinia borealis Banks, 1894
52 65 ARANEIDAE Larinia famulatoria (Keyserling, 1883)
53 65 ARANEIDAE Larinioides patagiatus (Clerck, 1757)
54 65 ARANEIDAE Mangora gibberosa (Hentz, 1847)
55 65 ARANEIDAE Mangora placida (Hentz, 1847)
56 65 ARANEIDAE Metepeira foxi Gertsch & Ivie, 1936
57 65 ARANEIDAE Metepeira grandiosa Chamberlin & Ivie, 1941
58 65 ARANEIDAE Metepeira labyrinthea (Hentz, 1847)
59 65 ARANEIDAE Neoscona arabesca (Walckenaer, 1842)
60 65 ARANEIDAE Neoscona crucifera (Lucas, 1838)
61 65 ARANEIDAE Neoscona oaxacensis (Keyserling, 1864)
62 65 ARANEIDAE Parazygiella dispar (Kulczynski, 1885)
63 65 ARANEIDAE Verrucosa arenata (Walckenaer, 1842)
64 94 CLUBIONIDAE Clubiona abboti L. Koch, 1866
65 94 CLUBIONIDAE Clubiona canadensis Emerton, 1890
66 94 CLUBIONIDAE Clubiona johnsoni Gertsch, 1941
67 94 CLUBIONIDAE Clubiona kulczynskii Lessert, 1905
68 94 CLUBIONIDAE Clubiona maritima L. Koch, 1867
69 94 CLUBIONIDAE Clubiona moesta Banks, 1896
70 94 CLUBIONIDAE Clubiona mutata Gertsch, 1941
71 94 CLUBIONIDAE Clubiona norvegica Strand, 1900
72 94 CLUBIONIDAE Clubiona oteroana Gertsch, 1941
73 94 CLUBIONIDAE Clubiona pomoa Gertsch, 1941
74 94 CLUBIONIDAE Clubiona riparia L. Koch, 1866
75 95 CORINNIDAE Castianeira alteranda Gertsch, 1942
76 95 CORINNIDAE Castianeira descripta (Hentz, 1847)
77 95 CORINNIDAE Castianeira longipalpa (Hentz, 1847)
78 95 CORINNIDAE Castianeira mexicana (Banks, 1898)
79 95 CORINNIDAE Castianeira occidens Reiskind, 1969
80 95 CORINNIDAE Castianeira variata Gertsch, 1942
81 95 CORINNIDAE Meriola decepta Banks, 1895
82 95 CORINNIDAE Phrurotimpus alarius tejanus (Chamberlin & Gertsch, 1930)
83 95 CORINNIDAE Phrurotimpus borealis (Emerton, 1911)
84 95 CORINNIDAE Phrurotimpus certus Gertsch, 1941
85 95 CORINNIDAE Phrurotimpus minutus (Banks, 1892)
86 95 CORINNIDAE Scotinella pugnata (Emerton, 1890)
87 95 CORINNIDAE Trachelas mexicanus Banks, 1898
88 85 DICTYNIDAE Argenna obesa Emerton, 1911
89 85 DICTYNIDAE Cicurina pagosa Chamberlin & Ivie, 1940
90 85 DICTYNIDAE Cicurina robusta Simon, 1886
91 85 DICTYNIDAE Dictyna abundans Chamberlin & Ivie, 1941
92 85 DICTYNIDAE Dictyna agressa Ivie, 1947
93 85 DICTYNIDAE Dictyna apacheca Chamberlin & Ivie, 1935
94 85 DICTYNIDAE Dictyna bellans Chamberlin, 1919
95 85 DICTYNIDAE Dictyna bostoniensis Emerton, 1888
96 85 DICTYNIDAE Dictyna brevitarsa Emerton, 1915
97 85 DICTYNIDAE Dictyna calcarata Banks, 1904
98 85 DICTYNIDAE Dictyna cebolla Ivie, 1947
99 85 DICTYNIDAE Dictyna coloradensis Chamberlin, 1919
100 85 DICTYNIDAE Dictyna crosbyi Gertsch & Mulaik, 1940
101 85 DICTYNIDAE Dictyna foliacea (Hentz, 1850)
102 85 DICTYNIDAE Dictyna idahoana Chamberlin & Ivie, 1933
103 85 DICTYNIDAE Dictyna juno Ivie, 1947
104 85 DICTYNIDAE Dictyna major Menge, 1869
105 85 DICTYNIDAE Dictyna nebraska Gertsch, 1946
106 85 DICTYNIDAE Dictyna personata Gertsch & Mulaik, 1936
107 85 DICTYNIDAE Dictyna sancta Gertsch, 1946
108 85 DICTYNIDAE Dictyna terrestris Emerton, 1911
109 85 DICTYNIDAE Dictyna tridentata Bishop & Ruderman, 1946
110 85 DICTYNIDAE Dictyna volucripes Keyserling, 1881
111 85 DICTYNIDAE Emblyna annulipes (Blackwall, 1846)
112 85 DICTYNIDAE Emblyna borealis (O. P.-Cambridge, 1877)
113 85 DICTYNIDAE Emblyna borealis cavernosa (Jones, 1947)
114 85 DICTYNIDAE Emblyna completa (Chamberlin & Gertsch, 1929)
115 85 DICTYNIDAE Emblyna completoides (Ivie, 1947)
116 85 DICTYNIDAE Emblyna consulta (Gertsch & Ivie, 1936)
117 85 DICTYNIDAE Emblyna cornupeta (Bishop & Ruderman, 1946)
118 85 DICTYNIDAE Emblyna horta (Gertsch & Ivie, 1936)
119 85 DICTYNIDAE Emblyna lina (Gertsch, 1946)
120 85 DICTYNIDAE Emblyna manitoba (Ivie, 1947)
121 85 DICTYNIDAE Emblyna mariae Chamberlin, 1948
122 85 DICTYNIDAE Emblyna palomara Chamberlin, 1948
123 85 DICTYNIDAE Emblyna phylax (Gertsch & Ivie, 1936)
124 85 DICTYNIDAE Emblyna piratica (Ivie, 1947)
125 85 DICTYNIDAE Emblyna reticulata (Gertsch & Ivie, 1936)
126 85 DICTYNIDAE Emblyna scotta Chamberlin, 1948
127 85 DICTYNIDAE Emblyna stulta (Gertsch & Mulaik, 1936)
128 85 DICTYNIDAE Emblyna uintana (Chamberlin, 1919)
129 85 DICTYNIDAE Hackmania saphes (Chamberlin, 1948)
130 85 DICTYNIDAE Iviella ohioensis (Chamberlin & Ivie, 1935)
131 85 DICTYNIDAE Iviella reclusa (Gertsch & Ivie, 1936)
132 85 DICTYNIDAE Lathys alberta Gertsch, 1946
133 85 DICTYNIDAE Lathys delicatula (Gertsch & Mulaik, 1936)
134 85 DICTYNIDAE Mallos niveus O. P.-Cambridge, 1902
135 85 DICTYNIDAE Mallos pallidus (Banks, 1904)
136 85 DICTYNIDAE Mexitlia trivittata (Banks, 1901)
137 85 DICTYNIDAE Phantyna bicornis (Emerton, 1915)
138 85 DICTYNIDAE Phantyna terranea (Ivie, 1947)
139 85 DICTYNIDAE Tricholathys spiralis Chamberlin & Ivie, 1935
140 34 DYSDERIDAE Dysdera crocata C. L. Koch, 1838
141 106 GNAPHOSIDAE Callilepis chisos Platnick, 1975
142 106 GNAPHOSIDAE Callilepis eremella Chamberlin, 1928
143 106 GNAPHOSIDAE Callilepis imbecilla (Keyserling, 1887)
144 106 GNAPHOSIDAE Callilepis mumai Platnick, 1975
145 106 GNAPHOSIDAE Callilepis pluto Banks, 1896
146 106 GNAPHOSIDAE Cesonia sincera Gertsch & Mulaik, 1936
147 106 GNAPHOSIDAE Drassodes gosiutus Chamberlin, 1919
148 106 GNAPHOSIDAE Drassodes mirus Platnick & Shadab, 1976
149 106 GNAPHOSIDAE Drassodes neglectus (Keyserling, 1887)
150 106 GNAPHOSIDAE Drassodes saccatus (Emerton, 1889)
151 106 GNAPHOSIDAE Drassyllus depressus (Emerton, 1890)
152 106 GNAPHOSIDAE Drassyllus dromeus Chamberlin, 1922
153 106 GNAPHOSIDAE Drassyllus insularis (Banks, 1900)
154 106 GNAPHOSIDAE Drassyllus lamprus (Chamberlin, 1920)
155 106 GNAPHOSIDAE Drassyllus lepidus (Banks, 1899)
156 106 GNAPHOSIDAE Drassyllus mexicanus (Banks, 1898)
157 106 GNAPHOSIDAE Drassyllus mormon Chamberlin, 1936
158 106 GNAPHOSIDAE Drassyllus mumai Gertsch & Riechert, 1976
159 106 GNAPHOSIDAE Drassyllus nannellus Chamberlin & Gertsch, 1940
160 106 GNAPHOSIDAE Drassyllus notonus Chamberlin, 1928
161 106 GNAPHOSIDAE Drassyllus orgilus Chamberlin, 1922
162 106 GNAPHOSIDAE Drassyllus texamans Chamberlin, 1936
163 106 GNAPHOSIDAE Gnaphosa antipola Chamberlin, 1933
164 106 GNAPHOSIDAE Gnaphosa borea Kulczynski, 1908
165 106 GNAPHOSIDAE Gnaphosa brumalis Thorell, 1875
166 106 GNAPHOSIDAE Gnaphosa californica Banks, 1904
167 106 GNAPHOSIDAE Gnaphosa clara (Keyserling, 1887)
168 106 GNAPHOSIDAE Gnaphosa fontinalis Keyserling, 1887
169 106 GNAPHOSIDAE Gnaphosa muscorum (L. Koch, 1866)
170 106 GNAPHOSIDAE Gnaphosa parvula Banks, 1896
171 106 GNAPHOSIDAE Gnaphosa saxosa Platnick & Shadab, 1975
172 106 GNAPHOSIDAE Gnaphosa sericata (L. Koch, 1866)
173 106 GNAPHOSIDAE Gnaphosa utahana Banks, 1904
174 106 GNAPHOSIDAE Haplodrassus bicornis (Emerton, 1909)
175 106 GNAPHOSIDAE Haplodrassus chamberlini Platnick & Shadab, 1975
176 106 GNAPHOSIDAE Haplodrassus eunis Chamberlin, 1922
177 106 GNAPHOSIDAE Haplodrassus hiemalis (Emerton, 1909)
178 106 GNAPHOSIDAE Haplodrassus signifer (C. L. Koch, 1839)
179 106 GNAPHOSIDAE Herpyllus bubulcus Chamberlin, 1922
180 106 GNAPHOSIDAE Herpyllus cockerelli (Banks, 1901)
181 106 GNAPHOSIDAE Herpyllus ecclesiasticus Hentz, 1832
182 106 GNAPHOSIDAE Herpyllus hesperolus Chamberlin, 1928
183 106 GNAPHOSIDAE Herpyllus propinquus (Keyserling, 1887)
184 106 GNAPHOSIDAE Micaria aenea Thorell, 1871
185 106 GNAPHOSIDAE Micaria coloradensis Banks, 1896
186 106 GNAPHOSIDAE Micaria constricta Emerton, 1894
187 106 GNAPHOSIDAE Micaria emertoni Gertsch, 1935
188 106 GNAPHOSIDAE Micaria foxi Gertsch, 1933
189 106 GNAPHOSIDAE Micaria gertschi Barrows & Ivie, 1942
190 106 GNAPHOSIDAE Micaria lassena Platnick & Shadab, 1988
191 106 GNAPHOSIDAE Micaria laticeps Emerton, 1909
192 106 GNAPHOSIDAE Micaria longipes Emerton, 1890
193 106 GNAPHOSIDAE Micaria medica Platnick & Shadab, 1988
194 106 GNAPHOSIDAE Micaria mormon Gertsch, 1935
195 106 GNAPHOSIDAE Micaria nanella Gertsch, 1935
196 106 GNAPHOSIDAE Micaria nye Platnick & Shadab, 1988
197 106 GNAPHOSIDAE Micaria otero Platnick & Shadab, 1988
198 106 GNAPHOSIDAE Micaria porta Platnick & Shadab, 1988
199 106 GNAPHOSIDAE Micaria pulicaria (Sundevall, 1831)
200 106 GNAPHOSIDAE Micaria riggsi Gertsch, 1942
201 106 GNAPHOSIDAE Micaria rossica Thorell, 1875
202 106 GNAPHOSIDAE Nodocion floridanus (Banks, 1896)
203 106 GNAPHOSIDAE Nodocion rufithoracicus Worley, 1928
204 106 GNAPHOSIDAE Nodocion voluntarius (Chamberlin, 1919)
205 106 GNAPHOSIDAE Orodrassus assimilis (Banks, 1895)
206 106 GNAPHOSIDAE Orodrassus coloradensis (Emerton, 1877)
207 106 GNAPHOSIDAE Scotophaeus blackwalli (Thorell, 1871)
208 106 GNAPHOSIDAE Sergiolus angustus (Banks, 1904)
209 106 GNAPHOSIDAE Sergiolus iviei Platnick & Shadab, 1981
210 106 GNAPHOSIDAE Sergiolus montanus (Emerton, 1890)
211 106 GNAPHOSIDAE Sergiolus stella Chamberlin, 1922
212 106 GNAPHOSIDAE Sergiolus tennesseensis Chamberlin, 1922
213 106 GNAPHOSIDAE Sosticus loricatus (L. Koch, 1866)
214 106 GNAPHOSIDAE Synaphosus paludis (Chamberlin & Gertsch, 1940)
215 106 GNAPHOSIDAE Trachyzelotes lyonneti (Audouin, 1826)
216 106 GNAPHOSIDAE Zelotes anglo Gertsch & Riechert, 1976
217 106 GNAPHOSIDAE Zelotes fratris Chamberlin, 1920
218 106 GNAPHOSIDAE Zelotes gertschi Platnick & Shadab, 1983
219 106 GNAPHOSIDAE Zelotes hentzi Barrows, 1945
220 106 GNAPHOSIDAE Zelotes laccus (Barrows, 1919)
221 106 GNAPHOSIDAE Zelotes lasalanus Chamberlin, 1928
222 106 GNAPHOSIDAE Zelotes monachus Chamberlin, 1924
223 106 GNAPHOSIDAE Zelotes puritanus Chamberlin, 1922
224 106 GNAPHOSIDAE Zelotes sula Lowrie & Gertsch, 1955
225 106 GNAPHOSIDAE Zelotes tuobus Chamberlin, 1919
226 84 HAHNIIDAE Hahnia cinerea Emerton, 1890
227 84 HAHNIIDAE Hahnia glacialis Sorensen, 1898
228 84 HAHNIIDAE Neoantistea agilis (Keyserling, 1887)
229 84 HAHNIIDAE Neoantistea coconino Chamberlin & Ivie, 1942
230 84 HAHNIIDAE Neoantistea crandalli Gertsch, 1946
231 84 HAHNIIDAE Neoantistea gosiuta Gertsch, 1934
232 84 HAHNIIDAE Neoantistea magna (Keyserling, 1887)
233 84 HAHNIIDAE Neoantistea oklahomensis Opell & Beatty, 1976
234 84 HAHNIIDAE Neoantistea riparia (Keyserling, 1887)
235 17 HYPOCHILIDAE Hypochilus bonneti Gertsch, 1964
236 62 LINYPHIIDAE Agnyphantes arboreus (Emerton, 1915)
237 62 LINYPHIIDAE Arcuphantes cavaticus Chamberlin & Ivie, 1943
238 62 LINYPHIIDAE Bathyphantes latescens (Chamberlin, 1919)
239 62 LINYPHIIDAE Bathyphantes pallidus (Banks, 1892)
240 62 LINYPHIIDAE Ceraticelus crassiceps Chamberlin & Ivie, 1939
241 62 LINYPHIIDAE Ceratinella brunnea Emerton, 1882
242 62 LINYPHIIDAE Collinsia perplexa (Keyserling, 1886)
243 62 LINYPHIIDAE Diplostyla concolor (Wider, 1834)
244 62 LINYPHIIDAE Disembolus alpha (Chamberlin, 1948)
245 62 LINYPHIIDAE Drapetisca alteranda Chamberlin, 1909
246 62 LINYPHIIDAE Erigone aletris Crosby & Bishop, 1928
247 62 LINYPHIIDAE Erigone atra Blackwall, 1833
248 62 LINYPHIIDAE Erigone blaesa Crosby & Bishop, 1928
249 62 LINYPHIIDAE Erigone dentigera O. P.-Cambridge, 1874
250 62 LINYPHIIDAE Erigone dentosa O. P.-Cambridge, 1894
251 62 LINYPHIIDAE Erigone ephala Crosby & Bishop, 1928
252 62 LINYPHIIDAE Erigone hypenema Crosby & Bishop, 1928
253 62 LINYPHIIDAE Frontinella communis (Hentz, 1850)
254 62 LINYPHIIDAE Gonatium crassipalpum Bryant, 1933
255 62 LINYPHIIDAE Grammonota capitata Emerton, 1924
256 62 LINYPHIIDAE Grammonota gentilis Banks, 1898
257 62 LINYPHIIDAE Grammonota pictilis (O. P.-Cambridge, 1875)
258 62 LINYPHIIDAE Helophora insignis (Blackwall, 1841)
259 62 LINYPHIIDAE Helophora orinoma (Chamberlin, 1919)
260 62 LINYPHIIDAE Horcotes quadricristatus (Emerton, 1882)
261 62 LINYPHIIDAE Idionella tugana (Chamberlin, 1948)
262 62 LINYPHIIDAE Improphantes complicatus (Emerton, 1882)
263 62 LINYPHIIDAE Incestophantes duplicatus (Emerton, 1913)
264 62 LINYPHIIDAE Incestophantes lamprus (Chamberlin, 1920)
265 62 LINYPHIIDAE Islandiana holmi Ivie, 1965
266 62 LINYPHIIDAE Islandiana lasalana (Chamberlin & Ivie, 1935)
267 62 LINYPHIIDAE Lepthyphantes aldersoni Levi & Levi, 1955
268 62 LINYPHIIDAE Lepthyphantes alpinus (Emerton, 1882)
269 62 LINYPHIIDAE Lepthyphantes intricatus (Emerton, 1911)
270 62 LINYPHIIDAE Lepthyphantes leprosus (Ohlert, 1865)
271 62 LINYPHIIDAE Lepthyphantes minutus (Blackwall, 1833)
272 62 LINYPHIIDAE Lepthyphantes rainieri Emerton, 1926
273 62 LINYPHIIDAE Megalepthyphantes nebulosus (Sundevall, 1830)
274 62 LINYPHIIDAE Mermessus tridentatus (Emerton, 1882)
275 62 LINYPHIIDAE Microlinyphia dana (Chamberlin & Ivie, 1943)
276 62 LINYPHIIDAE Microlinyphia mandibulata (Emerton, 1882)
277 62 LINYPHIIDAE Neriene radiata (Walckenaer, 1842)
278 62 LINYPHIIDAE Pityohyphantes cristatus Chamberlin & Ivie, 1942
279 62 LINYPHIIDAE Poeciloneta agressa (Chamberlin & Ivie, 1943)
280 62 LINYPHIIDAE Poeciloneta bihamata (Emerton, 1882)
281 62 LINYPHIIDAE Poeciloneta furcata (Emerton, 1913)
282 62 LINYPHIIDAE Porrhomma ocella Chamberlin & Ivie, 1943
283 62 LINYPHIIDAE Satilatlas gentilis Millidge, 1981
284 62 LINYPHIIDAE Sciastes truncatus (Emerton, 1882)
285 62 LINYPHIIDAE Scotinotylus majesticus (Chamberlin & Ivie, 1947)
286 62 LINYPHIIDAE Scotinotylus pollucis Millidge, 1981
287 62 LINYPHIIDAE Scotinotylus sacer (Crosby, 1929)
288 62 LINYPHIIDAE Semljicola obtusus (Emerton, 1915)
289 62 LINYPHIIDAE Sisicottus montanus (Emerton, 1882)
290 62 LINYPHIIDAE Sisicottus orites (Chamberlin, 1919)
291 62 LINYPHIIDAE Sisicus penifusifer Bishop & Crosby, 1938
292 62 LINYPHIIDAE Sisis rotundus (Emerton, 1925)
293 62 LINYPHIIDAE Tachygyna haydeni Chamberlin & Ivie, 1939
294 62 LINYPHIIDAE Tachygyna tuoba (Chamberlin & Ivie, 1933)
295 62 LINYPHIIDAE Tapinocyba simplex (Emerton, 1882)
296 62 LINYPHIIDAE Tennesseellum formica (Emerton, 1882)
297 62 LINYPHIIDAE Tenuiphantes zelatus (Zorsch, 1937)
298 62 LINYPHIIDAE Typhochrestus uintanus (Chamberlin & Ivie, 1939)
299 62 LINYPHIIDAE Wubana drassoides (Emerton, 1882)
300 62 LINYPHIIDAE Wubana utahana Chamberlin & Ivie, 1936
301 62 LINYPHIIDAE Zornella armata (Banks, 1906)
302 93 LIOCRANIDAE Agroeca pratensis Emerton, 1890
303 66 LYCOSIDAE Acantholycosa solituda (Levi & Levi, 1951)
304 66 LYCOSIDAE Allocosa chamberlini (Gertsch, 1934)
305 66 LYCOSIDAE Allocosa parva (Banks, 1894)
306 66 LYCOSIDAE Allocosa pylora Chamberlin, 1925
307 66 LYCOSIDAE Alopecosa aculeata (Clerck, 1757)
308 66 LYCOSIDAE Alopecosa kochi (Keyserling, 1877)
309 66 LYCOSIDAE Arctosa alpigena (Doleschall, 1852)
310 66 LYCOSIDAE Arctosa emertoni Gertsch, 1934
311 66 LYCOSIDAE Arctosa insignita (Thorell, 1872)
312 66 LYCOSIDAE Arctosa littoralis (Hentz, 1844)
313 66 LYCOSIDAE Arctosa rubicunda (Keyserling, 1877)
314 66 LYCOSIDAE Geolycosa gosoga (Chamberlin, 1925)
315 66 LYCOSIDAE Geolycosa missouriensis (Banks, 1895)
316 66 LYCOSIDAE Geolycosa patellonigra Wallace, 1942
317 66 LYCOSIDAE Geolycosa rafaelana (Chamberlin, 1928)
318 66 LYCOSIDAE Geolycosa wrighti (Emerton, 1912)
319 66 LYCOSIDAE Gladicosa gulosa (Walckenaer, 1837)
320 66 LYCOSIDAE Gladicosa pulchra (Keyserling, 1877)
321 66 LYCOSIDAE Hogna antelucana (Montgomery, 1904)
322 66 LYCOSIDAE Hogna baltimoriana (Keyserling, 1877)
323 66 LYCOSIDAE Hogna carolinensis (Walckenaer, 1805)
324 66 LYCOSIDAE Hogna coloradensis (Banks, 1894)
325 66 LYCOSIDAE Hogna frondicola (Emerton, 1885)
326 66 LYCOSIDAE Hogna helluo (Walckenaer, 1837)
327 66 LYCOSIDAE Hogna permunda (Chamberlin, 1904)
328 66 LYCOSIDAE Hogna tigana (Gertsch & Wallace, 1935)
329 66 LYCOSIDAE Pardosa altamontis Chamberlin & Ivie, 1946
330 66 LYCOSIDAE Pardosa anomala Gertsch, 1933
331 66 LYCOSIDAE Pardosa bucklei Kronestedt, 1975
332 66 LYCOSIDAE Pardosa coloradensis Banks, 1894
333 66 LYCOSIDAE Pardosa concinna (Thorell, 1877)
334 66 LYCOSIDAE Pardosa confusa Kronestedt, 1988
335 66 LYCOSIDAE Pardosa crassistyla Kronestedt, 1988
336 66 LYCOSIDAE Pardosa distincta (Blackwall, 1846)
337 66 LYCOSIDAE Pardosa dorsalis Banks, 1894
338 66 LYCOSIDAE Pardosa dorsuncata Lowrie & Dondale, 1981
339 66 LYCOSIDAE Pardosa dromaea (Thorell, 1878)
340 66 LYCOSIDAE Pardosa falcifera F. O. P.-Cambridge, 1902
341 66 LYCOSIDAE Pardosa fuscula (Thorell, 1875)
342 66 LYCOSIDAE Pardosa gothicana Lowrie & Dondale, 1981
343 66 LYCOSIDAE Pardosa groenlandica (Thorell, 1872)
344 66 LYCOSIDAE Pardosa lapidicina Emerton, 1885
345 66 LYCOSIDAE Pardosa lowriei Kronestedt, 1975
346 66 LYCOSIDAE Pardosa mackenziana (Keyserling, 1877)
347 66 LYCOSIDAE Pardosa mercurialis Montgomery, 1904
348 66 LYCOSIDAE Pardosa modica (Blackwall, 1846)
349 66 LYCOSIDAE Pardosa moesta Banks, 1892
350 66 LYCOSIDAE Pardosa montgomeryi Gertsch, 1934
351 66 LYCOSIDAE Pardosa mulaiki Gertsch, 1934
352 66 LYCOSIDAE Pardosa ontariensis Gertsch, 1933
353 66 LYCOSIDAE Pardosa orophila Gertsch, 1933
354 66 LYCOSIDAE Pardosa ourayensis Gertsch, 1933
355 66 LYCOSIDAE Pardosa pauxilla Montgomery, 1904
356 66 LYCOSIDAE Pardosa saxatilis (Hentz, 1844)
357 66 LYCOSIDAE Pardosa sierra Banks, 1898
358 66 LYCOSIDAE Pardosa sinistra (Thorell, 1877)
359 66 LYCOSIDAE Pardosa sternalis (Thorell, 1877)
360 66 LYCOSIDAE Pardosa steva Lowrie & Gertsch, 1955
361 66 LYCOSIDAE Pardosa tesquorum (Odenwall, 1901)
362 66 LYCOSIDAE Pardosa tetonensis Gertsch, 1933
363 66 LYCOSIDAE Pardosa tristis (Thorell, 1877)
364 66 LYCOSIDAE Pardosa uintana Gertsch, 1933
365 66 LYCOSIDAE Pardosa uncata (Thorell, 1877)
366 66 LYCOSIDAE Pardosa utahensis Chamberlin, 1919
367 66 LYCOSIDAE Pardosa vadosa Barnes, 1959
368 66 LYCOSIDAE Pardosa valens Barnes, 1959
369 66 LYCOSIDAE Pardosa wasatchensis Gertsch, 1933
370 66 LYCOSIDAE Pardosa wyuta Gertsch, 1934
371 66 LYCOSIDAE Pardosa xerampelina (Keyserling, 1877)
372 66 LYCOSIDAE Pardosa xerophila Vogel, 1964
373 66 LYCOSIDAE Pardosa yavapa Chamberlin, 1925
374 66 LYCOSIDAE Pardosa zionis Chamberlin & Ivie, 1942
375 66 LYCOSIDAE Pirata aspirans Chamberlin, 1904
376 66 LYCOSIDAE Pirata insularis Emerton, 1885
377 66 LYCOSIDAE Pirata iviei Wallace & Exline, 1978
378 66 LYCOSIDAE Pirata piraticus (Clerck, 1757)
379 66 LYCOSIDAE Pirata sedentarius Montgomery, 1904
380 66 LYCOSIDAE Pirata seminolus Gertsch & Wallace, 1935
381 66 LYCOSIDAE Schizocosa aulonia Dondale, 1969
382 66 LYCOSIDAE Schizocosa avida (Walckenaer, 1837)
383 66 LYCOSIDAE