Famille : Agelenidae
Genre: Agelenopsis
- A. actuosa (Gertsch & Ivie, 1936) *
- A. emertoni Chamberlin & Ivie, 1935 *
- A. potteri (Blackwall, 1846)
- A. utahana (Chamberlin & Ivie, 1933)
Genre: Tegenaria
Famille : Amaurobiidae
Genre: Amaurobius
- A. borealis Emerton, 1909
- A. ferox (Walckenaer, 1830)
- A. similis (Blackwall, 1861)
Genre : Callobius
- C. bennetti (Blackwall, 1846)
- C. nomeus (Chamberlin, 1919)
Genre : Coras
- C. aerialis (Muma, 1946
- C. juvenilis (Keyserling, 1882)
- C. lamellosus (Keyserling, 1887)
- C. medicinalis (Hentz, 1821)
- C. montanus (Emerton, 1890)
Genre : Cybaeopsis
- C. euopla (Bishop & Crsoby, 1935)
- C. tibialis (Emerton, 1888)
Genre : Wadotes
- W. calcaratus (Keyserling, 1887)
- W. hybridus (Emerton, 1890)
Famille : Anyphaenidae
Genre : Anyphaena
Genre : Wulfila
- W. saltabundus (Hentz, 1847) *
Famille : Araneidae
Genre : Acanthepeira
- A. stellata (Walckenaer, 1805)
Genre : Aculepeira
- A. carbonaroides (Keyserling, 1892)
Genre : Araneus
- A. bicentenarius (McCook, 1888)
- A. cavaticus (Keyserling, 1882)
- A. corticarius (Emerton, 1884)
- A. diadematus Clerk, 1758
- A. groenlandicola (Strand, 1906)
- A. iviei (Archer, 1951) *
- A. juniperi (Emeron, 1884) *
- A. marmoreus Clerck, 1758
- A. nordmanni (Thorell, 1870)
- A. saevus (L. Koch, 1872)
- A. trifolium (Hentz, 1847)
Genre : Araniella
- A. displicita (Hentz, 1847)
- A. proxima (Kulczynski, 1885)
Genre : Argiope
- A. aurantia Lucas, 1833
- A. trifasciata (Forskal, 1775)
Genre : Cercidia
- C. prominens (Westring, 1851)
Genre : Cyclosa
Genre : Eustala
- E. anastera (Walckenaer, 1841)
Genre : Hypsosinga
- H. groenlandica Simon, 1889
- H. pygmaea (Sundevall, 1831)
- H. rubens (Hentz, 1847)
Genre : Larinioides
- L. cornutus (Clerck, 1758)
- L. patagiatus (Clerck, 1758)
- L. sclopetarius (Clerck, 1758)
Genre : Mangora
- M. gibberosa (Hentz, 1847)
- M. placida (Henz, 1847)
Genre : Metepeira
- M. palustris Chamberlin & Ivie, 1942
Genre : Neoscona
- N. arabesca (Walckenaer, 1841)
Genre : Singa
- S. keyserlingi McCook, 1894
Genre : Zygiella
- Z. atrica (C.L. Koch, 1845)
- Z. neartica Gersch, 1964
Famille : Atypidae
Genre : Sphodros
Famille : Clubionidae
Genre : Cheirachantium
- C. inclusum (Hentz, 1847) *
- C. mildei L. Koch, 1864
Genre : Clubonia
- C. abbotii L. Koch, 1866
- C. angulata Dondale & Redner, 1976 *
- C. bishopi Edwards, 1958
- C. bryantae Gertsch, 1941
- C. canadensis Emerton, 1890
- C. chippewa Gertsch, 1941
- C. furcata Emerton, 1919
- C. gertschi Edwards, 1958 *
- C. johnsoni Gertsch, 1941
- C. kastoni Gertsch, 1941
- C. kulczynskii De Lessert, 1905
- C. maritima L. Koch, 1867
- C. mixta Emerton, 1890 *
- C. moesta Banks, 1896
- C. norvegica Strand, 1900
- C. obesa Hentz, 1847
- C. opeongo Edwards, 1958
- C. pallidula (Clerck, 1758) *
- C. pikei Gertsch, 1941
- praematura Emerton, 1909
- pygmaea Banks, 1892
- quebecana Dondale & Redner, 1976
- riparia L. Koch, 1866
- spiralis Emerton, 1909
- trivialis C.L. Koch, 1843
Genre : Elaver
- E. excepta L.Koch, 1866 *
Famille : Corinnidae
Genre : Castianeira
- C. cingulata (C.L. Koch, 1841)
- C. descripta (Hentz, 1847)
- C. longipalpa (Hentz, 1847)
Genre : Trahelas
- T. tranquillus (Hentz, 1847) *
Famille : Cybaeidae
Genre : Cybaeota
- C. calcarata (Emerton, 1911)
Famille : Dictynidae
Genre : Argenna
Genre : Cicurina
- C. arcuata Keyserling, 1887
- C. brevis (Emerton, 1890)
- C. itasca Chamberlin & Ivie, 1940
- C. pallida Keyserling, 1887
- C. robusta Simon, 1886
Genre : Cryphoeca
Genre : Dictyna
- D. alaskae Chamberlin & Ivie, 1947
- D. bostoniensis Emerton, 1888
- D. brevitarsus Emerton, 1915
- D. coloradensis Chamberlin, 1919
- D. foliacea (Hentz, 1850)
- D. major Menge, 1869
- D. minuta Emerton, 1888
- D. volucripes Keyserling, 1882
Genre : Emblyna
- E. annulipes (Blackwall, 1846)
- E. hentzi (Kaston, 1945)
- E. manitoba (Ivie, 1947)
- E. maxima (Banks, 1892)
- E. phylax (Gertsch & Ivie, 1936)
- E. sublata (Hentz, 1850)
Genre : Lathys
- L. foxii (Marx, 1891)
- L. pallida (Marx, 1891)
Famille : Dysderidae
Genre : Dysdera
- D. crocata C.L. Koch, 1838
Famille : Gnaphosidae
Genre : Callilepis
Genre : Cesonia
- C. bilineata (Hentz, 1847)
Genre : Drassodes
- D. mirus Platnick & Shadab, 1976
- D. neglectus (Keyseling, 1887)
Genre : Drassyllus
- D. depressus (Emerton, 1890)
- D. eremitus Chamberlin, 1922
- D. fallens Chamberlin, 1922
- D. niger (Banks, 1896)
- D. socius Chambelin, 1922
Genre : Gnaphosa
- G. borea Kulczynski, 1908
- G. brumalis Thorell, 1875
- G. microps Holm, 1939
- G. muscorum (L. Koch, 1866)
- G. orites Chamberlin, 1922
- G. parvula Banks, 1896
Genre : Haplodrassus
- H. bicornis (Emerton, 1909)
- H. hiemalis (Emerton, 1909)
- H. eunis Chamberlin, 1922 *
- H. signifer (C.L. Koch, 1839)
Genre : Herpyllus
- H. ecclesiasticus Hentz, 1832
Genre : Micaria
- M. aenea Thorell, 1877
- M. longipes Emerton, 1890
- M. pulicaria (Sundevall, 1831)
- M. riggsi Gertsch, 1942
- M. tripunctata Holm, 1978
Genre : Orodrassus
- O. canadensis Platnick & Shadab, 1975
Genre : Sergiolus
- S. decoratus Kaston, 1945
- S. (Emerton, 1890)
- S. (Walckenaer, 1837)
Genre : Sosticus
- S. insularis (Banks, 1895)
- S. loricatus (L. Koch, 1866)
Genre : Zelotes
- Z. fratis Chamberlin, 1920
- Z. hentzi Barrows, 1945
- Z. puritanus Chamberlin, 1922
- Z. sula Lowrie & Gertsch, 1955
Famille : Hahniidae
Genre : Antistea
- A. brunnea (Emerton, 1909)
Genre : Hahnia
- H. cinerea Emerton, 1890
- H. glacialis Sorensen, 1898
Genre : Neoantista
- N. agilis (Keyserling, 1887)
- N. magna (Keyserling, 1887)
Famille : Linyphiidae
Sous-famille : Erigoninae
Genre : Annapolis
Genre : Aphileta
- A. misera (O. Pickard-Cambridge, 1882)
Genre : Baryphyma
- B. gowerense (Locket, 1965)
- B. groenlandicum (Holm, 1967)
- B. kulczynskii (Eskov, 1979)
- B. trifrons affine (Schenkel, 1930)
Genre : Carorita
- C. limnaea (Crosby & Bishop, 1927)
Genre : Ceraticelus
- C. atriceps (O. Pickars-Cambridge, 1874)
- C. bulbosus (Emerton, 1882)
- C. crassiceps Chamberli & Ivie, 1939
- C. emertoni (O. Pickard-Cambridge, 1874)
- C. fissiceps (O. Pickard-Cambridge, 1874)
- C. laetabilis (O. Pickard-Cambridge, 1874)
- C. laetus (O. Pickard-Cambridge, 1874)
- C. minutus (Emerton, 1882)
- C. rugosus Crosby, 1905
- C. silus Dondale, 1958
- C. similis (Banks, 1892)
Genre : Ceratinella
- C. alaskae Chamberlin & Ivie, 1947
- C. brunnea Emerton, 1882
- C. buna Chamberlin, 1949
- C. ornatula (Crosby & Bishop, 1925)
- C. parvula (Fox, 1891)
Genre : Ceratinops
- C. annulipes (Banks, 1892)
- C. crenatus (Emerton, 1882)
- C. latus (Emerton, 1882)
Genre : Ceratinopsis
- C. auriculata Emerton, 1909
- C. interpres (O. Pickard-Cambridge, 1874)
- C. labradorensis Emerton, 1925
- C. nigriceps Emerton, 1882
Genre : Cheniseo
- C. sphagniculator Bishop & Crosby, 1935
Genre : Cnephalocotes
- C. obscurus (Blakwall, 1834)
Genre : Coloncus
Genre : Dicymbium
- D. elongatum (Emerton, 1882)
Genre : Diplocentria
- D. bidentata (Emerton, 1882)
- D. perplexa (Chamberlin & Ivie, 1939)
- D. rectangulata (Emerton, 1915)
- D. retinax (Crosby & Bishop, 1936)
Genre : Diplocephalus
- D. cristatus (Blackwall, 1833)
- D. subrostratus (O. Pickard-Cambridge, 1873)
Genre : Dismodicus
- D. alticeps (Chamberlin & Ivie, 1947)
- D. decemoculatus (Emerton, 1882)
Genre : Entelecara
- E. sombra (Chamberlin & Ivie, 1947)
Genre : Eperigone
- E. augustalis Crosby & Bishop, 1933
- E. entomologica (Emerton, 1911)
- E. index (Emerton, 1914)
- E. maculata (Banks, 1892)
- E. tridentata (Emerton, 1882)
- E. trilobata (Emerton, 1882)
- E. undulata (Emerton, 1914)
Genre : Eridantes
- E. erigonoides (Emerton, 1882)
Genre : Erigone
- E. aletris Crosby & Bishop, 1928
- E. alsaida Crosby & Bishop, 1928
- E. arctica arctica (White & Sutherland, 1852)
- E. atra Blackwall, 1833
- E. autumnalis Emerton, 1882
- E. blaesa Crosby & Bishop, 1928
- E. brevidentata Emerton, 1909
- E. dentigera O. Pickard-Cambridge, 1874
- E. mentasta Chamberlin & Ivie, 1947
- E. psychrophila Thorell, 1871
- E. tirolensis L. Koch, 1872
- E. whymperi O. Pickard-Cambridge, 1877
- E. zographica Crosby & Bishop, 1928
Genre : Floricomus
- F. nasutus (Emerton, 1911)
- F. plumalis (Crosby, 1905)
- F. praedesignatus (Bishop & Crosby, 1935)
- F. rostratus (Emerton, 1882)
Genre : Glyphesis
- G. idahoanus (Chamberlin, 1949)
- G. scopulifer (Emerton, 1882)
Genre : Gnathonaroides
- G. pedalis (Emerton, 1923)
|
Famille : Linyphiidae, (suite)
Sous-famille : Erigoninae, (suite)
Genre : Gonatium
- G. crassipalpum Bryant, 1933
Genre : Goneatara
- G. nasutus (Barrows, 1943)
Genre : Grammonota
- G. angusta Dondale, 1959
- G. capitata Emerton, 1924
- G. gentilis Banks, 1898
- G. gigas (Banks, 1896)
- G. inornata Emerton, 1882
- G. maritima Emerton, 1925
- G. pallipes Banks, 1895
- G. vittata Barrows, 1919
Genre : Halorates
- H. alascensis (Banks, 1900)
- H. holmgrenii (Thorell, 1871)
- H. oxypaederotipus (Crosby, 1905)
- H. pertinens (O. Pickard-Cambridge, 1875)
- H. plumosus (Emerton, 1882)
Genre : Hilaira
- H. canaliculata (Emerton, 1915)
- H. frigida brunnea (Emerton, 1882)
- H. herniosa (Thorell, 1875)
- H. tatrica garrina Chamberlin, 1949
Genre : Horcotes
- H. quadricristatus (Emerton, 1882)
Genre : Hybauchenidium
- H. cymbadentatum (Crosby & Bishop, 1935)
- H. gibbosum (Sorenson, 1898)
Genre : Hypomma
- H. marxi (Keyserling, 1886)
Genre : Hypselistes
- H. florens (O. Pickard-Cambridge, 1875)
Genre : Islandiana
- I. flaveola (Banks, 1892)
- I. holmi Ivie, 1965
- I. longisetosa (Emerton, 1882)
- I. princeps Braendegaard, 1932
Genre : Lophomma
- L. sylvaticum (Emerton, 1913)
- L. vaccinii (Emerton, 1926)
Genre : Maso
- M. sundevallii (Westring, 1851)
Genre : Mecynargus
- M. borealis (Jackson, 1930)
- M. paetulus (O. Pickard-Cambridge, 1875)
Genre : Metopobactrus
- M. prominulus (O. Pickard-Cambridge, 1872)
Genre : Micrargus
- M. longitarsus (Emerson, 1882)
Genre : Oedothorax
- O. montifer (Emerton, 1882)
- O. trilobathus (Banks, 1896)
Genre : Pelecopsis
- P. mengei (Simon, 1884)
- P. moesta (Banks, 1892)
Genre : Perregrinus
- P. deformis (Tanasevitch, 1982)
Genre : Pocadicnnemis
- P. americana Millidge, 1976
Genre : Satilatlas
- S. marxii Keyserling, 1886
Genre : Sciastes
- S. dubius (Hackman, 1954)
- S. trunctatus (Emerton, 1882)
Genre : Scotinotylus
- S. alpinus (Banks, 1896)
- S. pallidus (Emerton, 1882)
- S. sacer (Crosby, 1929)
Genre : Scylaceus
- S. pallidus (Emerton, 1882)
Genre : Scyletria
- S. inflata Bishop & Crosby, 1938
Genre : Semljicola
- S. obtusus (Emerton, 1915)
Genre : Sisicottus
- S. montanus (Emerton, 1882)
- S. quoylei Miller, 1999
Genre : Sisis
- S. rotundus (Emerton, 1925)
Genre : Soucron
- S. arenarium (Emerton, 1925)
Genre : Souessa
- S. spinifera (O. Pickard-Cambridge, 1874)
Genre : Sougambus
- S. bostoniensis (Emerton, 1882)
Genre : Souidas
- S. tibialis (Emerton, 1882)
Genre : Soulgas
- S. corticarius (Emerton, 1909)
Genre : Styloctetor
- S. stativus (Simon, 1881)
Genre : Tapinocyba
- T. bicarinata (Emerton, 1913)
- T. flagellata (Emerton, 1911)
- T. minuta (Emerton, 1909)
- T. simplex (Emerton, 1882)
Genre : Tmeticus
- T. ornatus (Emerton, 1914)
Genre : Tunagyna
Genre : Typhochrestus
- T. latithorax (Strand, 1905)
Genre : Vermontia
- V. thoracia (Emerton, 1913)
Genre : Wabasso
- W. cacuminatus Millidge, 1984
- W. quaestio (Chamberlin, 1949)
Genre : Walckenaeria
- W. artica Millidge, 1983
- W. atrotibialis (O. Pickard-Cambridge, 1878)
- W. auranticeps (Emerton, 1882)
- W. castanea (Emerton, 1882)
- W. clavipalpis Millidge, 1983
- W. communis (Emerton, 1882)
- W. cuspidata brevicula (Crosby & Bishop, 1931)
- W. digitata (Emerton, 1913)
- W. directa (O. Pickard-Cambridge, 1874)
- W. exigua Millidge, 1983
- W. fallax Millidge, 1983
- W. karpinskii (O. Pickard-Cambridge, 1873)
- W. kochii (O. Pickard-Cambridge, 1892)
- W. lepida (Kulczynski, 1885)
- W. minuta (Emerton, 1882)
- W. pallida (Emerton, 1882)
- W. palustris Millidge, 1983
- W. pinocchio (Kaston, 1945)
- W. redneri Millidge, 1983
- W. spiralis (Emerton, 1882)
- W. tibialis (Emerton, 1882)
- W. tricornis (Emerton, 1882)
- W. tumida (Crosby & Bishop, 1931)
Genre : Zornella
- Z. cultrigera (L. Koch, 1879)
Sous-Famille : Linyphiinae
Genre : Genre : Agyneta
- A. allosubtilis Loska, 1965
- A. amersaxatilis Saaristo & Koponen, 1998
- A. angulata (Emerton, 1882) *
- A. dynica Saaristo & Koponen, 1998
- A. fabra (Keyserling, 1886)
- A. jacksoni (Braendegaard, 1937)
- A. nigripes (Simon, 1884)
- A. olivacea (Emerton, 1882)
- A. serrata (Emerton, 1909) *
- A. simplex (Emerton, 1926)
- A. unimaculata (Banks, 1892)
Genre : Allomengea
- A. llomengea dentisetis (Grübe, 1861)
- A. vidua (L. Kch, 1879)
Genre : Bathyphantes
- B. alboventris (Banks, 1892)
- B. brevipes (Emerton, 1917)
- B. brevis (Emerton, 1911)
- B. canadensis (Emerton, 1882)
- B. concolor (Wider in Reuss, 1834)
- B. gracilis (Blackwall, 1841)
- B. pallidus (Banks, 1892)
- B. simillimus (L. Koch, 1879)
- B. weyeri (Emerton, 1875)
Genre : Centromerita
- C. bicolor (Blackwall, 1833) *
Genre : Centromerus
- C. denticulatus (Emerton, 1909)
- C. furcatus (Emerton, 1882)
- C. longibulbus (Emerton, 1882)
- C. persolutus (O. Pickard-Cambridge, 1875)
- C. sylvaticus (Blackwall, 1841)
Genre : Drapetisca
- D. alteranda Chamberlin, 1909
Genre : Estrandia
- E. grandaeva (Keyserling, 1886)
Genre : Eilaira
- E. microtarsus (Emeton, 1882)
Genre : Frontinella
- F. pyramitela (Walckenaer, 1841)
Genre : Helophora
- H. insignis (Blackwall, 1841)
Genre : Improphantes
- I. complicatus (Emerton, 1882)
Genre : Incestophantes
- I. duplicatus (Emerton, 1913)
- I. washingtoni (Zorsch, 1937)
Genre : Kaestneria
- K. pullata (O. Pickard-Cambridge, 1875)
- K. rufula (Hackman, 1954)
Genre : Lepthyphantes
- L. alpinus (Emerton, 1882)
- L. bihamatus (Emerton, 1882)
- L. calcaratus (Emerton, 1909)
- L. intricatus (Emerton, 1911)
- L. leprosus (Ohlert, 1865)
- L. sabulosus (Keyserling, 1886)
- L. turbatrix (O. Pickard-Cambridge, 1877)
Genre : Macrargus
- M. multesimus (O. Pickard-Cambridge, 1875)
Genre : Maro
- M. amplus Dondale & Buckle, 2001
- M. nearcticus Dondale & Buckle, 2001
Genre : Megalepthyphantes
- M. nebulosus (Sundevall, 1830)
Genre : Microlinyphia
- M. m. mandibulata (Emerton, 1882)
- M pusilla (Sundevall, 1830)
Genre : Microneta
- M. viaria (Blackwall, 1841)
Genre : Neriene
- N. clathrata (Sundevall, 1830)
- N. montana (Clerck, 1758)
- N. radiata (Walkenaer, 1841)
- N. variabilis (Banks, 1892)
Genre : Oreonetides
- O. flavescens (Crosby, 1937)
- O. rectangulatus (Emerton, 1913)
- O. rotundus (Emerton, 1913)
- O. vaginatus (Thorell, 1872)
Genre : Oreophantes
- O. recurvatus (Emerton, 1913)
Genre : Ostearius
- O. melanopygius (O. Pickard-Cambridge, 1879)
Genre : Pityohyphantes
- P. costatus (Hentz, 1850)
- P. limitaneus (Emerton, 1915)
- P. subarticus Chamberlin & Ivie, 1943
Genre : Poecineta
- P. aggressa (Chamberlin & Ivie, 1943)
- P. furcata (Emerton, 1913)
- P. theridiformis (Emerton, 1911)
Genre : Porrhomma
- P. terrestre (Emerton, 1882)
Genre : Scironis
- S. tarsalis (Emerton, 1911)
Genre : Sisicus
- S. apertus (Holm, 1939)
- S. penifusifer Bishop & Crosby, 1938
Genre : Stemonyphantes
- S. blauveltae Gertsch, 1951
Genre : Tapinopa
Genre : Tarannucnus
- T. ornithes (Barrows, 1940)
Genre : Tennesseellum
- T. formicum (Emerton, 1882)
Genre : Tenuiphantes
- T. cracens (Zorsch, 1937)
- T. zebra (Emerton, 1882)
Genre : Wubana
- W. drassoides (Emerton, 1882)
- W. pacifica (Banks, 1896)
Famille : Liocranidae
Genre : Agroeca
- A. ornata Banks, 1892
- A. pratensis Emerton, 1890
Genre : Phrurotimpus
- P. alarius (Hentz, 1847)
- P. borealis (Emerton, 1911)
Genre : Scotinella
- S. brittoni (Gertsch, 1941)
- S. minnetonka (Chamberlin & Gertsch, 1930)
- S. pugnata (Emerton, 1890)
Famille : Lycosidae
Genre : Alopecosa
- A. aculeata (Clerck, 1758)
- A. hirtipes (Hulczynski, 1907)
- A. kochii (Keyserling, 1877)
- A. pictilis (Emerton, 1885)
Genre : Artosa
- A. alpigena (Doleschall, 1852)
- A. emertoni Gertsch, 1934
- A. insignata (Thorell, 1872)
- A. lama Dondale & Redner, 1983
- A. litoralis (Hentz, 1844)
- A. raptor (Kulczynski, 1885)
- A. rubicunda (Keyserling, 1877)
Genre : Geolycosa
- G. domifex (Hancock, 1899)
- G. missouriensis (Banks, 1895)
Genre : Gladicosa
- G. gulosa (Walckenaer, 1837)
Genre : Hogna
- H. carolinensis (Walckenaer, 1805) *
- H. frondicola (Emerton, 1885)
- H. helluo (Walckenaer, 1837)
Genre : Pardosa
- P. albomaculata Emerton, 1885
- P. algens (Kulczynshi, 1908)
- P. concinna (Thorell, 1877)
- P. distincta (Blackwall, 1846)
- P. furcifera (Thorell, 1875)
- P. fuscula (Thorell, 1875)
- P. glacialis (Thorell, 1872)
- P. groenlandica (Thorell, 1872)
- P. hyperborea (Thorell, 1872)
- P. labradorensis (Thorell, 1875)
- P. lapidicina Emerton, 1885
- P. lapponica (Thorell, 1872) *
- P. mackenziana (Keyserling, 1877)
- P. milvina (Hentz, 1844)
- P. modica (Blackwall, 1846)
- P. moesta Banks, 1892
- P. podhorskii (Kulczinski, 1907) *
- P. saxatilis (Hentz, 1844)
- P. tesquorum (Odenwall, 1901)
- P. uintana Gertsch, 1933
- P. xerampelina (Keyserling, 1877)
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Famille : Lycosidae, (suite)
Genre : Pirata
- P. aspirans Chamberlin, 1904
- P. bryantae Kurata, 1944
- P. canadensis Dondale & Redner, 1981
- P. cantralli Wallace & Exline, 1978
- P. insularis Emerton, 1885
- P. minutus Emerton, 1885
- P. montanus Emerton, 1885
- P. piraticus (Clerck, 1758)
- P. sedentarius Montgomery, 1904 *
- P. zelotes Wallace & Exline, 1978
Genre : Schizocosa
- S. avida (Walckenaer, 1837)
- S. communis (Emerton, 1885)
- S. crassipalpata Roewer, 1951
- S. humilis (Banks, 1892) *
- S. ocreata (Hentz, 1844)
- S. saltatrix (Hentz, 1844)
Genre : Trebacosa
Genre : Trochosa
- T. ruricola (De Geer, 1778)
- T. terricola Thorell, 1856
Genre : Varacosa
- V. avara (Keyseling, 1877)
- V. shenandoa Chamberlin & Ivie, 1942
Famille : Mimetidae
Genre : Ero
- E. canionis Chamberlin & Ivie, 1935
- E. leonina (Hentz, 1850)
Genre : Mimetus
- M. eperoides Emerton, 1882
- M. notius Chamberlin, 1923
- M. puritanus Chamberlin, 1923
Famille : Nesticidae
Genre : Eidmanella
- E. pallida (Emerton, 1875)
Genre : Nesticus
- N. cellulanus (Clerck, 1758)
Famille : Oecobiidae
Genre : Oecobius
- O. nabius Blackwall, 1859
Famille : Oxyopidae
Genre : Oxyopes
Famille : Philodromidae
Genre : Ebo
- E. iviei Sauer & Platnick, 1972 *
- E. pepinensis Gertsch, 1933
Genre : Philodromus
- P. alascensis Keyserling, 1884
- P. cespitum (Walckenaer, 1802)
- P. exilis Banks, 1892
- P. histrio (Latreille, 1819) *
- P. imbecillus Keyserling, 1880
- P. lutulentus Gertsch, 1934 *
- P. marxii Keyserling, 1884 *
- P. minutus Banks, 1892
- P. mysticus Dondale & Redner, 1975
- P. oneida Levi, 1951 *
- P. peninsulanus Gertsch, 1934
- P. pernix Blackwall, 1846
- P. placidus Banks, 1892
- P. praelustris Keyserling, 1880
- P. rufus quartus Dondale & Redner, 1968
- P. rufus vibrans Dondale, 1964
- P. validus (Gertsch, 1933)
- P. vulgaris (Hentz, 1847)
Genre : Thanatus
- T. coloradensis Keyserling, 1880 *
- T. formicinus (Clerck, 1758)
- T. rubicellus Mello-Leitão, 1929
- T. striatus C.L. Koch, 1845
Genre : Tibellus
- T. asiaticus Kulczynski, 1908 *
- T. maritimus (Menge, 1875)
- T. oblongus (Walckenaer, 1802)
Famille : Pholcidae
Genre : Pholcus
Famille : Pisauridae
Genre : Dolomedes
- D. scriptus Hentz, 1845
- D. striatus Giebel, 1869
- D. tenebrosus Hentz, 1844
- D. triton (Walckenaer, 1837)
Genre : Pisaurina
- P. brevipes (Emerton, 1911) *
- P. mira (Walckenaer, 1837)
Famille : Salticidae
Genre : Admestina
- A. tibialis (C.L. Koch, 1846)
Genre : Attidops
- A. youngii (Peckham & Peckham, 1888)
Genre : Dendryphantes
- D. nigromaculatus (Keyserling, 1885)
Genre : Eris
- E. militaris (Hentz, 1845)
Genre : Euophrys
- E. monadnock Emerton, 1891
Genre : Evarcha
- E. hoyi (Peckham & Peckham, 1883)
- E. falcata (Clerck, 1757)
Genre : Ghelna
- G. canadensis (Banks, 1897)
Genre : Habrocestum
- H. parvulum (Banks, 1895)
- H. pulex (Hentz, 1846)
Genre : Habronattus
- H. borealis (Banks, 1895)
- H. calcaratus maddisoni Griswold, 1987
- H. decorus (Blackwall, 1846)
- H. viridipes (Hentz, 1846)
- H. waughi (Emerton, 1926)
Genre : Hentzia
Genre : Maevia
- M. inclemens (Walckenaer, 1837)
Genre : Marpissa
Genre : Neon
- N. nellii Peckham & Peckham, 1888
Genre : Peckhamia
Genre : Pelegrina
- P. flaviceps (kaston, 1973)
- P. flavipes (Peckham & Peckham, 1888)
- P. insignis (Banks, 1892)
- P. montana (Emerton, 1891)
- P. proterva (walckenaer, 1837)
Genre : Phidippus
- P. borealis Banks, 1895
- P. clarus Keyserling, 1885
- P. borealis Banks, 1895
- P. clarus Keyserling, 1885
- P. princeps (Peckham & Peckham, 1883)
- P. purpuratus Keyserling, 1885
- P. whitmanii Peckham & Peckham, 1909
Genre : Platycryptus
- P. undatus (De Geer, 1778)
Genre : Salticus
Genre : Sibianor
- S. aemulus (Gertsch, 1934)
Genre : Sitticus
- S. fasciger (Simon, 1880)
- S. finschii (L. Koch, 1879)
- S floricola palustris (Peckham & Peckham, 1883)
- S. ranieri (Peckham & Peckham, 1909)
- S. striatus Emerton, 1911
Genre : Synageles
- S. noxiosus (Hentz, 1850)
- S. venator (Lucas, 1836)
Genre : Talavera
Genre : Tutelina
- T. hartii (Peckham & Emerton, 1891)
- T. similis (Banks, 1895)
Genre : Zygoballus
- Z. nervosus (Peckham & Peckham, 1888)
Famille : Scytodidae
Genre : Scytodes
Famille : Tetragnathidae
Genre : Meta
- M. ovalis (Gertsch, 1933)
Genre : Pachygnatha
- P. autumnalis Marx & Keyserling, 1884
- P. brevis Keyserling, 1884
- P. dorothea McCook, 1894
- P. tristriata C.L. Koch, 1845
- P. xanthostoma C.L. Koch, 1845
Genre : Tetragnatha
- T. caudata Emerton, 1884
- T. dearmata Thorell, 1873
- T. elongata Walckenaer, 1841
- T. extensa (Linnaeus, 1758)
- T. laboriosa Hentz, 1850
- T. pallescens F.O. Picard-Cambridge, 1903
- T. shoshone Levi, 1981
- T. straminea Emerton, 1884
- T. versicolor Walckenaer, 1841
Famille : Theridiidae
Genre : Achaearanea
- A. globosa (Hentz, 1850)
- A. ohlertii (Thorell, 1870)
- A. rupicola (Emerton, 1882)
- A. tabulata Levi, 1980
- A. tepidariorum (C.L. Koch, 1841)
Genre : Argyrodes
- A. fictilium (Hentz, 1850)
- A. trigonum (Hentz, 1850)
Genre : Crustulina
- C. sticta (O. Picard_Cambridge, 1861)
Genre : Dipoena
- D. nigra (Emerton, 1882)
- D. prona (Menge, 1868)
Genre : Enoplognatha
- E. caricis (Fickert, 1876)
- E. intrepida (Sorenson, 1898) *
- E. latimana Hippa & Oksala, 1982
Genre : Euryopis
- E. argentea Emerton, 1882
- E. funebris (Hentz, 1850)
Genre : Neottiura
- N. bimaculata (Linneaeus, 1767)
Genre : Phoroncidia
- P. americana (Emerton, 1882)
Genre : Robertus
- R. banksi (Kaston, 1946)
- R. borealis (Kaston, 1946)
- R. crosbyi (Kaston, 1946)
- R. fuscus (Emerton, 1894)
- R. longipalpus (Kaston, 1946)
- R. pumilus (Emerton, 1909)
- R. riparius (Keyserling, 1886)
- R. spinifer (Emerton, 1909)
Genre : Rugathodes
- R. aurantius (Emerton, 1915)
- R. sexpunctatus (Emerton, 1882)
Genre : Steatoda
- S. albomaculata (De Geer, 1778)
- S. americana (Emerton, 1882)
- S. bipunctata (Linnaeus, 1758)
- S. borealis (Hentz, 1850)
- S. castanea (Clerk, 1758)
- S. triangulosa (Walckenaer, 1802)
Genre : Theonoe
Genre : Theridion
- T. albinum Banks, 1895
- T. differens Emerton, 1882
- T. frondeum Hentz, 1850
- T. glaucescens Becker, 1879
- T. hemerobium Simon, 1914
- T. lyricum Walkenaer, 1841
- T. montanum Emerton, 1882
- T. murarium Emerton, 1882
- T. pictum (Walkenaer, 1802)
Genre : Theridula
Genre : Thymoites
- T. minnesota Levi, 1964
- T. unimaculatus (Emerton, 1882)
Famille : Theridiosomatidae
Genre : Theridiosoma
- T. gemmosum (L. Koch, 1877)
Famille : Thomisidae
Genre : Bassaniana
- B. utahensis (Gertsch, 1932)
- B. versicolor (Keyserling, 1880) *
Genre : Coriarachne
- C. brunneipes Banks, 1893
Genre : Misumena
Genre : Misumenops
- M. asperatus (Hentz, 1847)
- Dondale & Redner, 1976
Genre : Ozyptila
- O. americana Banks, 1895
- O. conspurcata Thorell, 1877 **
- O. distans Dondale & Redner, 1975*
- O. georgiana Keyserling, 1880 **
- O. gertschi Kurata, 1944*
- O. praticola (C.L. Koch, 1837) *
- O. sincera canadensis Dondale & Redner, 1975*
Genre : Tmarus
- T. angulatus (Walkenaer, 1837) *
Genre : Xysticus
- X. alboniger Turnbull et al., 1965 **
- X. ampullatus Turnbull et al., 1965*
- X. banksi Bryant, 1933 **
- X. britcheri Gertsch, 1934*
- X. canadensis Gertsch, 1934*
- X. chippewa Gertsch, 1953*
- X. discursans Keyserling, 1880*
- X. durus ( Sorenson, 1898) *
- X. elegans Keyserling, 1880*
- X. ellipticus Turnbull et al., 1965*
- X. emeretoni Keyserling, 1880*
- X. ferox (Hentz, 1847) *
- X. fraternus Banks, 1895 **
- X. glucosus Keyserling, 1880*
- X. labradorensis Keyserling, 1887*
- X. luctans (C.L. Koch, 1845) *
- X. luctuosus (Blackwall, 1836) *
- X. montanensis Keyserling, 1887*
- X. obscurus Collett, 1876*
- X. pellax O. Pickard-Cambridge, 1894*
- X. punctatus Keyserling, 1880*
- X. triangulosus Emerton, 1894*
- X. triguttatus Keyserling, 1880*
- X. winnipegensis Turnbull et al., 1965*
Famille : Titanoecidae
Genre : Titanoeca
- T. americana Emerton, 1888*
Famille : Uloboridae
Genre : Hyptiotes
- H. cavatus (hentz, 1847) *
- H. gertschi Chamberlin & Ivie, 1935*
Genre : Uloborus
- U. glomosus (Walkenaer, 1841) *
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