- family: Araneidae
- family: Linyphiidae
- family: Nesticidae
- family: Pimoidae
- family: Synotaxidae
- family: Tetragnathidae
- family: Theridiidae
- genus: Achaearanea
- genus: Ameridion
- genus: Anelosimus
- genus: Argyrodes
- genus: Ariamnes
- species: Ariamnes attenuatus O. P.-Cambridge, 1881
- species: Ariamnes birgitae Strand, 1917
- species: Ariamnes campestratus Simon, 1903
- species: Ariamnes colubrinus Keyserling, 1890
- species: Ariamnes corniger Simon, 1900
- species: Ariamnes flagellum (Doleschall, 1857)
- species: Ariamnes flagellum nigritus Simon, 1901
- species: Ariamnes haitensis (Exline & Levi, 1962)
- species: Ariamnes helminthoides Simon, 1907
- species: Ariamnes jeanneli Berland, 1920
- species: Ariamnes longicaudatus O. P.-Cambridge, 1872
- species: Ariamnes longissimus Keyserling, 1891
- species: Ariamnes mexicanus (Exline & Levi, 1962)
- species: Ariamnes patersoniensis Hickman, 1927
- species: Ariamnes pavesii Leardi, 1902
- species: Ariamnes rufopictus Thorell, 1895
- species: Ariamnes russulus Simon, 1903
- species: Ariamnes schlingeri (Exline & Levi, 1962)
- species: Ariamnes setipes Hasselt, 1882
- species: Ariamnes simulans O. P.-Cambridge, 1892
- species: Ariamnes triangulatus Urquhart, 1887
- species: Ariamnes triangulus Thorell, 1887
- genus: Carniella
- genus: Cerocida
- genus: Chrosiothes
- genus: Chrysso
- genus: Coleosoma
- genus: Crustulina
- genus: Dipoena
- genus: Enoplognatha
- genus: Episinus
- genus: Euryopis
- genus: Faiditus
- species: Faiditus acuminatus (Keyserling, 1891)
- species: Faiditus affinis (O. P.-Cambridge, 1880)
- species: Faiditus alticeps (Keyserling, 1891)
- species: Faiditus altus (Keyserling, 1891)
- species: Faiditus amates (Exline & Levi, 1962)
- species: Faiditus americanus (Taczanowski, 1874)
- species: Faiditus amplifrons (O. P.-Cambridge, 1880)
- species: Faiditus analiae (González & Carmen, 1996)
- species: Faiditus arthuri (Exline & Levi, 1962)
- species: Faiditus atopus (Chamberlin & Ivie, 1936)
- species: Faiditus bryantae (Exline & Levi, 1962)
- species: Faiditus cancellatus (Hentz, 1850)
- species: Faiditus caronae (González & Carmen, 1996)
- species: Faiditus caudatus (Taczanowski, 1874)
- species: Faiditus chicaensis (González & Carmen, 1996)
- species: Faiditus chickeringi (Exline & Levi, 1962)
- species: Faiditus cochleaformus (Exline, 1945)
- species: Faiditus convolutus (Exline & Levi, 1962)
- species: Faiditus cordillera (Exline, 1945)
- species: Faiditus cristinae (González & Carmen, 1996)
- species: Faiditus cubensis (Exline & Levi, 1962)
- species: Faiditus darlingtoni (Exline & Levi, 1962)
- species: Faiditus davisi (Exline & Levi, 1962)
- species: Faiditus dracus (Chamberlin & Ivie, 1936)
- species: Faiditus ecaudatus Keyserling, 1884
- species: Faiditus exiguus (Exline & Levi, 1962)
- species: Faiditus fulvus (Exline & Levi, 1962)
- species: Faiditus gapensis (Exline & Levi, 1962)
- species: Faiditus gertschi (Exline & Levi, 1962)
- species: Faiditus globosus (Keyserling, 1884)
- species: Faiditus godmani (Exline & Levi, 1962)
- species: Faiditus iguazuensis (González & Carmen, 1996)
- species: Faiditus jamaicensis (Exline & Levi, 1962)
- species: Faiditus laraensis (González & Carmen, 1996)
- species: Faiditus leonensis (Exline & Levi, 1962)
- species: Faiditus maculosus (O. P.-Cambridge, 1898)
- species: Faiditus mariae (González & Carmen, 1996)
- species: Faiditus morretensis (González & Carmen, 1996)
- species: Faiditus nataliae (González & Carmen, 1996)
- species: Faiditus peruensis (Exline & Levi, 1962)
- species: Faiditus plaumanni (Exline & Levi, 1962)
- species: Faiditus proboscifer (Exline, 1945)
- species: Faiditus quasiobtusus (Exline & Levi, 1962)
- species: Faiditus rossi (Exline & Levi, 1962)
- species: Faiditus sicki (Exline & Levi, 1962)
- species: Faiditus solidao (Levi, 1967)
- species: Faiditus spinosus (Keyserling, 1884)
- species: Faiditus striatus (Keyserling, 1891)
- species: Faiditus subdolus (O. P.-Cambridge, 1898)
- species: Faiditus subflavus (Exline & Levi, 1962)
- species: Faiditus sullana (Exline, 1945)
- species: Faiditus taeter (Exline & Levi, 1962)
- species: Faiditus ululans (O. P.-Cambridge, 1880)
- species: Faiditus vadoensis (González & Carmen, 1996)
- species: Faiditus woytkowskii (Exline & Levi, 1962)
- species: Faiditus xiphias (Thorell, 1887)
- species: Faiditus yacuiensis (González & Carmen, 1996)
- species: Faiditus yutoensis (González & Carmen, 1996)
- genus: Helvibis
- genus: Kochiura
- genus: Latrodectus
- genus: Neospintharus
- species: Neospintharus baboquivari (Exline & Levi, 1962)
- species: Neospintharus bicornis (O. P.-Cambridge, 1880)
- species: Neospintharus concisus (Exline & Levi, 1962)
- species: Neospintharus fur (Bösenberg & Strand, 1906)
- species: Neospintharus furcatus (O. P.-Cambridge, 1894)
- species: Neospintharus nipponicus (Kumada, 1990)
- species: Neospintharus obscurus (Keyserling, 1884)
- species: Neospintharus parvus Exline, 1950
- species: Neospintharus rioensis (Exline & Levi, 1962)
- species: Neospintharus syriacus (O. P.-Cambridge, 1872)
- species: Neospintharus triangularis (Taczanowski, 1873)
- species: Neospintharus trigonum (Hentz, 1850)
- genus: Nesticodes
- genus: Pholcomma
- genus: Rhomphaea
- species: Rhomphaea aculeata Thorell, 1898
- species: Rhomphaea affinis Lessert, 1936
- species: Rhomphaea altissima Mello-Leitao, 1941
- species: Rhomphaea angulipalpis Thorell, 1877
- species: Rhomphaea brasiliensis Mello-Leitao, 1920
- species: Rhomphaea ceraosus (Zhu & Song, 1991)
- species: Rhomphaea cometes L. Koch, 1872
- species: Rhomphaea cona (González & Carmen, 1996)
- species: Rhomphaea fictilium (Hentz, 1850)
- species: Rhomphaea hyrcana (Logunov & Marusik, 1990)
- species: Rhomphaea irrorata Thorell, 1898
- species: Rhomphaea labiata (Zhu & Song, 1991)
- species: Rhomphaea lactifera Simon, 1909
- species: Rhomphaea metaltissima Soares & Camargo, 1948
- species: Rhomphaea nasica (Simon, 1873)
- species: Rhomphaea oris (González & Carmen, 1996)
- species: Rhomphaea ornatissima Dyal, 1935
- species: Rhomphaea palmarensis (González & Carmen, 1996)
- species: Rhomphaea paradoxa (Taczanowski, 1873)
- species: Rhomphaea pignalitoensis (González & Carmen, 1996)
- species: Rhomphaea procera (O. P.-Cambridge, 1898)
- species: Rhomphaea projiciens O. P.-Cambridge, 1896
- species: Rhomphaea rostrata (Simon, 1873)
- species: Rhomphaea sagana (Dönitz & Strand, in Bösenberg & Strand, 1906)
- species: Rhomphaea sinica (Zhu & Song, 1991)
- species: Rhomphaea sjostedti Tullgren, 1910
- species: Rhomphaea urquharti Bryant, 1933
- species: Rhomphaea velhaensis (González & Carmen, 1996)
- genus: Robertus
- genus: Selkirkiella
- genus: Spheropistha
- genus: Spintharus
- genus: Steatoda
- genus: Stemmops
- genus: Theridion
- genus: Theridula
- genus: Thymoites
- genus: Tidarren