| Achaearanea apex (Levi, 1959) | ⇒ Hentziectypus apex Levi, 1959 |
| Achaearanea florendida (Levi, 1959) | ⇒ Hentziectypus florendidus Levi, 1959 |
| Achaearanea florens (O. P.-Cambridge, 1896) | ⇒ Hentziectypus florendidus Levi, 1959 |
| Achaearanea hirta (Taczanowski, 1873) | ⇒ Cryptachaea hirta Taczanowski, 1873 |
| Achaearanea isana (Levi, 1963) | ⇒ Cryptachaea isana Levi, 1963 |
| Achaearanea machaera Herbert Walt..., 1959 | Cobweb spiders |
| Achaearanea maricaoensis Elizabeth Ba..., 1942 | Cobweb spiders |
| Achaearanea mendax O. Pickard-C..., 1899 | |
| Achaearanea micratula Richard C. B..., 1909 | Cobweb spiders |
| Achaearanea nigrovittata (Eugen von Ke..., 1884) | ⇒ Parasteatoda nigrovittata Keyserling, 1884 |
| Achaearanea oblivia (O. P.-Cambridge, 1896) | ⇒ Cryptachaea oblivia O. P.-Cambridge, 1896 |
| Achaearanea porteri (Banks, 1896) | ⇒ Cryptachaea porteri Banks, 1896 |
| Achaearanea rostrata (O. P.-Cambridge, 1896) | ⇒ Cryptachaea rostrata O. P.-Cambridge, 1896 |
| Achaearanea serax (Levi, 1959) | ⇒ Hentziectypus serax Levi, 1959 |
| Achaearanea taeniata (Keyserling, 1884) | ⇒ Cryptachaea taeniata Keyserling, 1884 |
| Achaearanea trapezoidalis Taczanowski, 1873 | Cobweb spiders |
| Achaearanea zonensis (Levi, 1959) | ⇒ Cryptachaea zonensis Levi, 1959 |
| Ameridion armouri Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion aspersum Frederick Oc..., 1902 | Cobweb spiders |
| Ameridion atlixco Herbert Walt..., 1959 | |
| Ameridion bridgesi Herbert Walt..., 1959 | |
| Ameridion chilapa Herbert Walt..., 1959 | |
| Ameridion cobanum Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion colima Herbert Walt..., 1959 | |
| Ameridion lathropi Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion malkini Herbert Walt..., 1959 | |
| Ameridion marvum Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion moctezuma Herbert Walt..., 1959 | |
| Ameridion musawas Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion paidiscum Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion panum Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion petrum Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion plantatum Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion progum Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion quantum Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion reservum Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion rinconense Herbert Walt..., 1959 | |
| Ameridion ruinum Herbert Walt..., 1959 | |
| Ameridion schmidti Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion signaculum Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion signum Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion tempum Herbert Walt..., 1959 | Cobweb spiders |
| Ameridion unanimum Eugen von Ke..., 1891 | |
| Anelosimus analyticus Ralph Vary C..., 1924 | |
| Anelosimus arizona Agnarsson, 2006 | Odorous house ant |
| Anelosimus baeza Agnarsson, 2006 | Cobweb spiders |
| Anelosimus chickeringi Herbert Walt..., 1956 | Cobweb spiders |
| Anelosimus elegans Agnarsson, 2006 | Cobweb spiders |
| Anelosimus eximius Eugen von Ke..., 1884 | Cobweb spiders |
| Anelosimus fraternus Agnarsson, 2006 | |
| Anelosimus jucundus (Octavius Pic..., 1896) | ⇒ Anelosimus tosus Ralph Vary C..., 1916 |
| Anelosimus octavius Agnarsson, 2006 | Cobweb spiders |
| Anelosimus oritoyacu Agnarsson, 2006 | Odorous house ant |
| Anelosimus pacificus Herbert Walt..., 1956 | Cobweb spiders |
| Anelosimus puravida Agnarsson, 2006 | Cobweb spiders |
| Anelosimus seximaculatus Zhu, 1998 | |
| Anelosimus studiosus (Nicholas Mar..., 1850) | ⇒ Anelosimus fraternus Agnarsson, 2006 |
| Anelosimus tosus Ralph Vary C..., 1916 | Bicolor cactussnail |
| Argyrodes amates (Exline & Levi, 1962) | ⇒ Faiditus amates H. Exline & ..., 1962 |
| Argyrodes americanus (Taczanowski, 1874) | ⇒ Faiditus americanus WÅ‚adysÅ‚aw ..., 1874 |
| Argyrodes approximatus O. Pickard-C..., 1894 | |
| Argyrodes argyrodes (Walckenaer, 1842) | ⇒ Neospintharus trigonum Nicholas Mar..., 1850 |
| Argyrodes arthuri (Exline & Levi, 1962) | ⇒ Faiditus arthuri H. Exline & ..., 1962 |
| Argyrodes attenuatus O.P.-Cambridge, 1881 | |
| Argyrodes bryantae (Exline & Levi, 1962) | ⇒ Faiditus bryantae H. Exline & ..., 1962 |
| Argyrodes chickeringi (Exline & Levi, 1962) | ⇒ Faiditus chickeringi H. Exline & ..., 1962 |
| Argyrodes convolutus (Exline & Levi, 1962) | ⇒ Faiditus convolutus H. Exline & ..., 1962 |
| Argyrodes elevatus (WÅ‚adysÅ‚aw ..., 1873) | ⇒ Chrysso pulcherrima Mello-Leitao, 1917 |
| Argyrodes fictilium (Hentz, 1850) | ⇒ Rhomphaea fictilium Hentz, 1850 |
| Argyrodes gertschi (Exline & Levi, 1962) | ⇒ Faiditus gertschi H. Exline & ..., 1962 |
| Argyrodes godmani (Exline & Levi, 1962) | ⇒ Faiditus godmani H. Exline & ..., 1962 |
| Argyrodes gracilis Ludwig Carl ..., 1872 | |
| Argyrodes gracillimus O. Pickard-C..., 1894 | |
| Argyrodes jucundus O. Pickard-C..., 1880 | |
| Argyrodes linguatus O. Pickard-C..., 1898 | |
| Argyrodes nephilae Władysław ..., 1873 | |
| Argyrodes pluto Richard C. B..., 1906 | |
| Argyrodes subdolus (O.P.-Cambridge, 1898) | ⇒ Faiditus subdolus Octavius Pic..., 1898 |
| Ariamnes attenuatus (Octavius Pic..., 1881) | ⇒ Rhomphaea urquharti Bryant, 1933 |
| Ariamnes mexicanus H. Exline & ..., 1962 | |
| Asagena fulva Eugen von Ke..., 1884 | |
| Asagena medialis Richard C. B..., 1898 | |
| Chrosiothes chirica Herbert Walt..., 1954 | |
| Chrosiothes goodnightorum Herbert Walt..., 1954 | Cobweb spiders |
| Chrosiothes jocosus Willis J. Ge..., 1936 | |
| Chrosiothes litus Herbert Walt..., 1964 | Crested anoda |
| Chrosiothes minusculus Willis J. Ge..., 1936 | |
| Chrosiothes portalensis Herbert Walt..., 1964 | Crested anoda |
| Chrosiothes proximus Octavius Pic..., 1899 | Cobweb spiders |
| Chrosiothes silvaticus Simon, 1894 | Cobweb spiders |
| Chrosiothes tonala Herbert Walt..., 1954 | Cobweb spiders |
| Chrosiothes wagneri Herbert Walt..., 1954 | |
| Chrysso albomaculata O. P.-Cambridge, 1882 | |
| Chrysso alecula Herbert Walt..., 1962 | Cobweb spiders |
| Chrysso cambridgei Alexander Pe..., 1911 | Cobweb spiders |
| Chrysso diplosticha Ralph Vary C..., 1936 | |
| Chrysso elegans Taczanowski, 1873 | |
| Chrysso foliata L. Koch, 1878 | |
| Chrysso indicifer Chamberlin &..., 1936 | |
| Chrysso indicifera Ralph Vary C..., 1936 | Cobweb spiders |
| Chrysso melba Herbert Walt..., 1962 | Cobweb spiders |
| Chrysso pulcherrima Mello-Leitao, 1917 | |
| Chrysso questona Herbert Walt..., 1962 | Cobweb spiders |
| Chrysso silva Herbert Walt..., 1962 | Cobweb spiders |
| Chrysso vallensis Herbert Walt..., 1957 | Cobweb spiders |
| Chrysso vexabilis Eugen von Ke..., 1884 | Cobweb spiders |
| Chrysso volcanensis Herbert Walt..., 1962 | Cobweb spiders |
| Chrysso voluta F.O.Pickard-..., 1902 | |
| Coleosoma acutiventer Eugen von Ke..., 1884 | |
| Coleosoma floridanum Banks, 1900 | Cobweb Spider |
| Coleosoma normale Elizabeth Ba..., 1944 | |
| Coleosoma oophorum Petrunkevitch, 1930 | |
| Cryptachaea azteca Chamberlin &..., 1936 | |
| Cryptachaea blattea Urquhart, 1886 | Theridiid spider |
| Cryptachaea hirta Taczanowski, 1873 | Cobweb spiders |
| Cryptachaea insulsa Gertsch & Mu..., 1936 | |
| Cryptachaea isana Levi, 1963 | |
| Cryptachaea manzanillo Levi, 1959 | |
| Cryptachaea nayaritensis Levi, 1959 | |
| Cryptachaea oblivia O. P.-Cambridge, 1896 | Cobweb spiders |
| Cryptachaea porteri Banks, 1896 | Cobweb spiders |
| Cryptachaea pura O. P.-Cambridge, 1894 | |
| Cryptachaea rostrata O. P.-Cambridge, 1896 | Cobweb spiders |
| Cryptachaea schneirlai Levi, 1959 | Cobweb spiders |
| Cryptachaea schraderorum Levi, 1959 | Cobweb spiders |
| Cryptachaea taeniata Keyserling, 1884 | Cobweb spiders |
| Cryptachaea zonensis Levi, 1959 | Cobweb spiders |
| Dipoena abdita Willis J. Ge..., 1936 | |
| Dipoena alta (Keyserling, 1886) | ⇒ Phycosoma lineatipes Elizabeth Ba..., 1933 |
| Dipoena anahuas Herbert Walt..., 1963 | |
| Dipoena anas Herbert Walt..., 1963 | Cobweb spiders |
| Dipoena atlantica Arthur Merto..., 1943 | Cobweb spiders |
| Dipoena banksi Arthur Merto..., 1943 | Cobweb spiders |
| Dipoena boquete Herbert Walt..., 1963 | Cobweb spiders |
| Dipoena bryantae Arthur Merto..., 1943 | Cobweb spiders |
| Dipoena chickeringi Herbert Walt..., 1953 | Cobweb spiders |
| Dipoena cordiformis Eugen von Ke..., 1886 | Cobweb spiders |
| Dipoena cornuta Arthur Merto..., 1943 | Cobweb spiders |
| Dipoena crocea Octavius Pic..., 1896 | Cobweb spiders |
| Dipoena dorsata Muma, 1944 | Cobweb spiders |
| Dipoena duodecimpunctata Arthur Merto..., 1943 | Cobweb spiders |
| Dipoena eatoni Arthur Merto..., 1943 | Cobweb spiders |
| Dipoena fortunata Herbert Walt..., 1953 | |
| Dipoena hortoni Arthur Merto..., 1943 | Cobweb spiders |
| Dipoena insulana Arthur Merto..., 1943 | Cobweb spiders |
| Dipoena isthmia Arthur Merto..., 1943 | |
| Dipoena josephus Herbert Walt..., 1953 | Cobweb spiders |
| Dipoena lana Herbert Walt..., 1953 | Cobweb spiders |
| Dipoena lineatipes (Bryant, 1933) | ⇒ Phycosoma lineatipes Elizabeth Ba..., 1933 |
| Dipoena luisi Herbert Walt..., 1953 | |
| Dipoena mertoni Herbert Walt..., 1963 | Cobweb spiders |
| Dipoena militaris Arthur Merto..., 1943 | Cobweb spiders |
| Dipoena nigra (James Henry ..., 1882) | ⇒ Theridula nigerrima Alexander Pe..., 1911 |
| Dipoena ocosingo Herbert Walt..., 1953 | |
| Dipoena origanata Herbert Walt..., 1953 | |
| Dipoena orvillei Arthur Merto..., 1943 | Cobweb spiders |
| Dipoena pacifica Arthur Merto..., 1943 | Cobweb spiders |
| Dipoena parki Arthur Merto..., 1943 | Cobweb spiders |
| Dipoena perimenta Herbert Walt..., 1963 | Cobweb spiders |
| Dipoena petrunkevitchi (Carl Friedri..., 1942) | ⇒ Dipoena rubella Eugen von Ke..., 1884 |
| Dipoena polita Cândido Firm..., 1947 | |
| Dipoena proterva Arthur Merto..., 1943 | Cobweb spiders |
| Dipoena rubella Eugen von Ke..., 1884 | Cobweb spiders |
| Dipoena seclusa Arthur Merto..., 1948 | Cobweb spiders |
| Dipoena sinica (Chuandian Zhu, 1992) | ⇒ Phycosoma sinica Chuandian Zhu, 1992 |
| Dipoena standleyi Herbert Walt..., 1963 | Cobweb spiders |
| Dipoena sulfurica Herbert Walt..., 1953 | |
| Dipoena tecoja Herbert Walt..., 1953 | |
| Dipoena tropica Arthur Merto..., 1943 | Cobweb spiders |
| Dipoena venusta Arthur Merto..., 1948 | Cobweb spiders |
| Dipoena waspucensis Herbert Walt..., 1963 | |
| Dipoena zeteki Arthur Merto..., 1943 | Cobweb spiders |
| Dipoenata balboae Arthur Merto..., 1943 | Cobweb spiders |
| Dipoenata conica Arthur Merto..., 1943 | Cobweb spiders |
| Emertonella emertoni Bryant, 1933 | |
| Emertonella taczanowskii Keyserling, 1886 | Cobweb spiders |
| Enoplognatha juninensis Eugen von Ke..., 1884 | |
| Episinus amoenus Richard C. B..., 1911 | |
| Episinus aspus Herbert Walt..., 1964 | Cobweb spiders |
| Episinus bigibbosus (Octavius Pic..., 1896) | ⇒ Neopisinus bigibbosus O. P.-Cambridge, 1896 |
| Episinus bruneoviridis (Cândido Firm..., 1948) | ⇒ Neopisinus bruneoviridis Mello-Leitao, 1948 |
| Episinus chiapensis Herbert Walt..., 1955 | |
| Episinus cognatus (Octavius Pic..., 1893) | ⇒ Neopisinus putus O. P.-Cambridge, 1894 |
| Episinus colima Herbert Walt..., 1955 | Cobweb spiders |
| Episinus dominicus Herbert Walt..., 1955 | |
| Episinus emanus Herbert Walt..., 1964 | Cobweb spiders |
| Episinus erythrophthalmus (Eugène Simon, 1894) | ⇒ Janula salobrensis Simon, 1895 |
| Episinus juarezi Herbert Walt..., 1955 | |
| Episinus panamensis Herbert Walt..., 1955 | Cobweb spiders |
| Episinus putus (Octavius Pic..., 1894) | ⇒ Neopisinus putus O. P.-Cambridge, 1894 |
| Episinus pyrus Herbert Walt..., 1964 | Cobweb spiders |
| Episinus rio Herbert Walt..., 1967 | |
| Episinus vaticus Herbert Walt..., 1964 | Cobweb spiders |
| Euryopis californica Banks, 1904 | |
| Euryopis episinoides Charles Atha..., 1847 | |
| Euryopis lineatipes O. P.-Cambridge, 1893 | Cobweb spiders |
| Euryopis mulaiki Levi, 1954 | |
| Euryopis pickardi Levi, 1963 | Cobweb spiders |
| Euryopis scriptipes Banks, 1908 | |
| Euryopis spinigera O. P.-Cambridge, 1895 | Cobweb spiders |
| Euryopis texana Banks, 1908 | |
| Exalbidion barroanum Herbert Walt..., 1959 | Cobweb spiders |
| Exalbidion dotanum Richard C. B..., 1914 | Cobweb spiders |
| Exalbidion pallisterorum Herbert Walt..., 1959 | |
| Exalbidion rufipunctum Herbert Walt..., 1959 | Cobweb spiders |
| Exalbidion sexmaculatum Eugen von Ke..., 1884 | Cobweb spiders |
| Faiditus amates H. Exline & ..., 1962 | Cobweb spiders |
| Faiditus americanus Władysław ..., 1874 | Cobweb spiders |
| Faiditus amplifrons Octavius Pic..., 1880 | Cobweb spiders |
| Faiditus arthuri H. Exline & ..., 1962 | Cobweb spiders |
| Faiditus atopus Ralph Vary C..., 1936 | Cobweb spiders |
| Faiditus bryantae H. Exline & ..., 1962 | Cobweb spiders |
| Faiditus caudatus Władysław ..., 1874 | Cobweb spiders |
| Faiditus chickeringi H. Exline & ..., 1962 | Cobweb spiders |
| Faiditus convolutus H. Exline & ..., 1962 | Cobweb spiders |
| Faiditus davisi H. Exline & ..., 1962 | |
| Faiditus dracus Ralph Vary C..., 1936 | Cobweb spiders |
| Faiditus gertschi H. Exline & ..., 1962 | Cobweb spiders |
| Faiditus globosus Eugen von Ke..., 1884 | Cobweb spiders |
| Faiditus godmani H. Exline & ..., 1962 | Cobweb spiders |
| Faiditus leonensis H. Exline & ..., 1962 | |
| Faiditus maculosus Octavius Pic..., 1898 | |
| Faiditus subdolus Octavius Pic..., 1898 | Cobweb spiders |
| Faiditus taeter H. Exline & ..., 1962 | |
| Faiditus ululans Octavius Pic..., 1880 | Cobweb spiders |
| Gmogala scarabaeus Eugen von Ke..., 1890 | |
| Helvibis longistyla Frederick Oc..., 1902 | Cobweb spiders |
| Helvibis longistylum F. O. Pickar..., 1902 | |
| Hentziectypus apex Levi, 1959 | Cobweb spiders |
| Hentziectypus florendidus Levi, 1959 | Cobweb spiders |
| Hentziectypus florens O. P.-Cambridge, 1896 | Cobweb spiders |
| Hentziectypus hermosillo Levi, 1959 | |
| Hentziectypus schullei Gertsch & Mu..., 1936 | |
| Hentziectypus serax Levi, 1959 | |
| Janula aspus Levi, 1964 | |
| Janula chiapensis Levi, 1955 | |
| Janula colima Levi, 1955 | |
| Janula erythrophthalma Simon, 1894 | Cobweb spiders |
| Janula nebulosa Simon, 1895 | |
| Janula panamensis Levi, 1955 | |
| Janula pyrus Levi, 1964 | |
| Janula salobrensis Simon, 1895 | |
| Janula vaticus Levi, 1964 | |
| Lasaeola bequaerti Arthur Merto..., 1948 | Cobweb spiders |
| Lasaeola donaldi Arthur Merto..., 1943 | Cobweb spiders |
| Lasaeola superba Arthur Merto..., 1948 | Cobweb spiders |
| Latrodectus diaguita Carcavallo, 1960 | |
| Latrodectus elegans Thorell, 1898 | |
| Latrodectus geometricus C. L. Koch, 1841 | Brown black widow |
| Latrodectus hesperus Chamberlin &..., 1935 | Western black widow |
| Latrodectus karrooensis Smithers, 1944 | |
| Latrodectus katipo Powell, 1871 | Red Katipo |
| Latrodectus mactans (Fabricius, 1775) | ⇒ Latrodectus tredecimguttatus Rossi, 1790 |
| Latrodectus renivulvatus Dahl, 1902 | |
| Latrodectus revivensis Shulov, 1948 | |
| Latrodectus tredecimguttatus Rossi, 1790 | European black widow |
| Latrodectus variolus (Walckenaer, 1837) | ⇒ Latrodectus hesperus Chamberlin &..., 1935 |
| Meotipa pulcherrima Mello-Leitao, 1917 | |
| Meotipa vallecula | |
| Neopisinus bigibbosus O. P.-Cambridge, 1896 | Cobweb spiders |
| Neopisinus bruneoviridis Mello-Leitao, 1948 | Cobweb spiders |
| Neopisinus cognatus O.Pickard-Ca..., 1893 | Cobweb spiders |
| Neopisinus putus O. P.-Cambridge, 1894 | Cobweb spiders |
| Neospintharus baboquivari Exline & Levi, 1962 | |
| Neospintharus concisus H. Exline & ..., 1962 | |
| Neospintharus furcatus O. P.-Cambridge, 1894 | Cobweb spiders |
| Neospintharus parvus Exline, 1950 | Cobweb spiders |
| Neospintharus triangularis Władysław ..., 1873 | Cobweb spiders |
| Neottiura curvimana Eugène Simon, 1914 | |
| Nesticodes rufipes Lucas, 1846 | Cobweb spiders |
| Nihonhimea tesselata Keyserling, 1884 | |
| Parasteatoda nigrovittata Keyserling, 1884 | |
| Parasteatoda tepidariorum C. L. Koch, 1841 | American house false widow spider |
| Parasteatoda tesselata Keyserling, 1884 | Cobweb spiders |
| Paratheridula perniciosa Eugen von Ke..., 1886 | Cobweb spiders |
| Phoroncidia tina Herbert Walt..., 1964 | Crested anoda |
| Phoroncidia triunfo Herbert Walt..., 1964 | Cobweb spiders |
| Phycosoma altum Eugen von Ke..., 1886 | Cobweb spider |
| Phycosoma inornatum Octavius Pic..., 1861 | Silky Gallows-spider |
| Phycosoma jamesi Michael J. R..., 1979 | Cobweb spiders |
| Phycosoma lineatipes Elizabeth Ba..., 1933 | |
| Phycosoma sinica Chuandian Zhu, 1992 | |
| Phylloneta pictipes Keyserling, 1884 | |
| Platnickina tincta Walckenaer, 1802 | |
| Rhomphaea brasiliensis Cândido Firm..., 1920 | |
| Rhomphaea fictilium Hentz, 1850 | Lizard Spider |
| Rhomphaea metaltissima Soares & Cam..., 1948 | |
| Rhomphaea paradoxa Władysław ..., 1873 | Cobweb spiders |
| Rhomphaea procera O. P.-Cambridge, 1898 | Cobweb spiders |
| Rhomphaea projiciens O. P.-Cambridge, 1896 | Cobweb spiders |
| Rhomphaea urquharti Bryant, 1933 | |
| Robertus floridensis Kaston, 1946 | |
| Rugathodes pico Merrett & As..., 1989 | Cave Cobweb Spider |
| Spintharus davidbowiei Agnarsson & ..., 2018 | |
| Spintharus flavidus Nicholas Mar..., 1850 | Cobweb spiders |
| Spintharus greerae Sargeant & A..., 2018 | |
| Steatoda alamosa Willis J. Ge..., 1960 | |
| Steatoda anchorata Holmberg, 1876 | |
| Steatoda ancorata Holmberg, 1876 | Cobweb spiders |
| Steatoda autumnalis Richard C. B..., 1898 | |
| Steatoda laeta O. Pickard-C..., 1902 | |
| Steatoda lugubris (Schenkel, 1963) | ⇒ Steatoda triangulosa Walckenaer, 1802 |
| Steatoda mexicana Herbert Walt..., 1957 | |
| Steatoda moesta Octavius Pic..., 1896 | Cobweb spiders |
| Steatoda nahuana Willis J. Ge..., 1960 | |
| Steatoda nigrofemorata (Levi, 1957) | ⇒ Steatoda ancorata Holmberg, 1876 |
| Steatoda punctulata (Marx, 1898) | ⇒ Platnickina tincta Walckenaer, 1802 |
| Steatoda quadrimaculata Octavius Pic..., 1896 | Cobweb spiders |
| Steatoda quaesita Octavius Pic..., 1896 | |
| Steatoda saltensis Herbert Walt..., 1957 | |
| Steatoda transversa (Richard C. B..., 1898) | ⇒ Theridion transgressum Alexander Pe..., 1911 |
| Steatoda variata Willis J. Ge..., 1960 | |
| Steatoda variata china Gertsch, 1960 | |
| Steatoda variata variata Gertsch, 1960 | |
| Steatoda washona Willis J. Ge..., 1960 | |
| Stemmops bicolor Octavius Pic..., 1894 | Cobweb spiders |
| Stemmops cambridgei Herbert Walt..., 1955 | Cobweb spiders |
| Stemmops cryptus Herbert Walt..., 1955 | Cobweb spiders |
| Stemmops lina Herbert Walt..., 1955 | |
| Stemmops mellus Herbert Walt..., 1964 | Cobweb spiders |
| Stemmops ornatus Elizabeth Ba..., 1933 | |
| Stemmops orsus Herbert Walt..., 1964 | Cobweb spiders |
| Stemmops questus Herbert Walt..., 1955 | |
| Stemmops servus Herbert Walt..., 1964 | Cobweb spiders |
| Stemmops subtilis Eugène Simon, 1895 | |
| Stemmops vicosa Herbert Walt..., 1964 | Crested anoda |
| Stemmops victoria Herbert Walt..., 1955 | |
| Styposis chickeringi Herbert Walt..., 1960 | Cobweb spiders |
| Styposis clausis Herbert Walt..., 1960 | Cobweb spiders |
| Styposis flavescens Eugène Simon, 1894 | Cobweb spiders |
| Styposis nicaraguensis Herbert Walt..., 1960 | Cobweb spiders |
| Styposis scleropsis Herbert Walt..., 1960 | Cobweb spiders |
| Theridion adjacens Octavius Pic..., 1896 | Cobweb spiders |
| Theridion akme Herbert Walt..., 1959 | Cobweb spiders |
| Theridion akron Herbert Walt..., 1959 | Cobweb spiders |
| Theridion albulum Octavius Pic..., 1898 | Cobweb spiders |
| Theridion amatitlan Herbert Walt..., 1963 | Cobweb spiders |
| Theridion apostoli Cândido Firm..., 1945 | |
| Theridion apulco Herbert Walt..., 1959 | |
| Theridion archeri Herbert Walt..., 1959 | |
| Theridion artum Herbert Walt..., 1959 | Cobweb spiders |
| Theridion aspersum | |
| Theridion australe Richard C. B..., 1899 | |
| Theridion barbarae Herbert Walt..., 1959 | |
| Theridion biolleyi Richard C. B..., 1909 | Cobweb spiders |
| Theridion bolivari Herbert Walt..., 1959 | |
| Theridion bryantae Carl Friedri..., 1951 | San Diego bird's-foot trefoil |
| Theridion cameronense Herbert Walt..., 1957 | |
| Theridion cavipalpe Frederick Oc..., 1902 | Cobweb spiders |
| Theridion cavipalpum F.O.Pickard-..., 1902 | |
| Theridion cavipalpus F. O. Pickar..., 1902 | |
| Theridion centrum Herbert Walt..., 1959 | Cobweb spiders |
| Theridion chihuahua Herbert Walt..., 1959 | |
| Theridion chiriqui Herbert Walt..., 1959 | Cobweb spiders |
| Theridion cinctipes Richard C. B..., 1898 | |
| Theridion cocosense Embrik Strand, 1906 | Cobweb spiders |
| Theridion contreras Herbert Walt..., 1959 | |
| Theridion costaricaense Herbert Walt..., 1963 | Cobweb spiders |
| Theridion costaricense Levi, 1963 | |
| Theridion coyoacan Herbert Walt..., 1959 | |
| Theridion crucum Herbert Walt..., 1959 | |
| Theridion cuyutlan Herbert Walt..., 1963 | |
| Theridion cynicum Willis J. Ge..., 1936 | |
| Theridion davisorum Herbert Walt..., 1959 | |
| Theridion desertum A. V. Ponomarev, 2008 | |
| Theridion dilucidum Eugène Simon, 1897 | Cobweb spiders |
| Theridion dilutum Herbert Walt..., 1957 | |
| Theridion dividuum (Willis J. Ge..., 1942) | ⇒ Thymoites expulsus Willis J. Ge..., 1936 |
| Theridion dreisbachi Herbert Walt..., 1959 | |
| Theridion electum Octavius Pic..., 1896 | |
| Theridion elisabethae Carl Friedri..., 1951 | San Diego bird's-foot trefoil |
| Theridion eugeni Carl Friedri..., 1942 | |
| Theridion evexum (Eugen von Ke..., 1884) | ⇒ Theridion omiltemi Herbert Walt..., 1959 |
| Theridion excavatum Frederick Oc..., 1902 | Cobweb spiders |
| Theridion experimentum | |
| Theridion frio Herbert Walt..., 1959 | |
| Theridion galerum Herbert Walt..., 1959 | Cobweb spiders |
| Theridion geminipunctum Ralph Vary C..., 1924 | |
| Theridion gertschi Herbert Walt..., 1959 | |
| Theridion goodnightorum Herbert Walt..., 1957 | |
| Theridion grecia Herbert Walt..., 1959 | Cobweb spiders |
| Theridion hidalgo Herbert Walt..., 1957 | |
| Theridion hispidum Octavius Pic..., 1898 | |
| Theridion hondurense Herbert Walt..., 1959 | Cobweb spiders |
| Theridion incomtum Octavius Pic..., 1896 | Cobweb spiders |
| Theridion indicum Benoy Krishn..., 1977 | |
| Theridion istokpoga Herbert Walt..., 1957 | Cobweb spiders |
| Theridion kawea Herbert Walt..., 1957 | |
| Theridion leones Herbert Walt..., 1959 | |
| Theridion luteipes (O. P.-Cambridge, 1869) | ⇒ Nesticodes rufipes Lucas, 1846 |
| Theridion lutipes O. Pickard-C..., 1869 | |
| Theridion martini Herbert Walt..., 1959 | |
| Theridion melanostictum Octavius Pic..., 1876 | Cobweb weaver |
| Theridion metabolum Ralph Vary C..., 1936 | Cobweb spiders |
| Theridion micheneri Herbert Walt..., 1963 | Cobweb spiders |
| Theridion minutissimum Eugen von Ke..., 1884 | Cobweb spiders |
| Theridion morulum (Octavius Pic..., 1898) | ⇒ Theridion eugeni Carl Friedri..., 1942 |
| Theridion murarium James Henry ..., 1882 | |
| Theridion myersi Herbert Walt..., 1957 | |
| Theridion niveum Octavius Pic..., 1898 | |
| Theridion nudum Herbert Walt..., 1959 | Cobweb spiders |
| Theridion omiltemi Herbert Walt..., 1959 | Cobweb spiders |
| Theridion opuntia Herbert Walt..., 1963 | |
| Theridion osprum Herbert Walt..., 1963 | |
| Theridion parvum Eugen von Ke..., 1884 | Guinea ant |
| Theridion pelaezi Herbert Walt..., 1963 | |
| Theridion pico (Merrett & As..., 1989) | ⇒ Rugathodes pico Merrett & As..., 1989 |
| Theridion pictipes (Keyserling, 1884) | ⇒ Phylloneta pictipes Keyserling, 1884 |
| Theridion pigrum Eugen von Ke..., 1886 | |
| Theridion positivum Ralph Vary C..., 1924 | |
| Theridion punctipes James Henry ..., 1924 | |
| Theridion rampum Herbert Walt..., 1963 | |
| Theridion resum Herbert Walt..., 1959 | Cobweb spiders |
| Theridion rothi Herbert Walt..., 1959 | |
| Theridion rubicundum F.O.Pickard-..., 1902 | |
| Theridion salvadorense Kraus, 1955 | |
| Theridion sanctum Herbert Walt..., 1959 | |
| Theridion santaanae Kraus, 1955 | |
| Theridion schrammeli Herbert Walt..., 1963 | |
| Theridion seximaculatum (Chuandian Zhu, 1998) | ⇒ Anelosimus seximaculatus Zhu, 1998 |
| Theridion sexmaculatum Keyserling, 1884 | |
| Theridion sinaloa Herbert Walt..., 1959 | |
| Theridion stannardi Herbert Walt..., 1963 | |
| Theridion striatum Eugen von Ke..., 1884 | Guinea ant |
| Theridion styligerum Frederick Oc..., 1902 | |
| Theridion submissum Willis J. Ge..., 1936 | |
| Theridion tessellatum Tord Tamerla..., 1899 | Black carpenter ant |
| Theridion tinctum (Charles Atha..., 1802) | ⇒ Platnickina tincta Walckenaer, 1802 |
| Theridion transgressum Alexander Pe..., 1911 | |
| Theridion trepidum Octavius Pic..., 1898 | Cobweb spiders |
| Theridion tristani Herbert Walt..., 1959 | Cobweb spiders |
| Theridion turrialba Herbert Walt..., 1959 | Cobweb spiders |
| Theridion uncatum Frederick Oc..., 1902 | |
| Theridion valleculum Herbert Walt..., 1959 | Cobweb spiders |
| Theridion vulvum Herbert Walt..., 1959 | Cobweb spiders |
| Theridula casas Herbert Walt..., 1954 | |
| Theridula faceta Octavius Pic..., 1894 | Cobweb spiders |
| Theridula gonygaster Eugène Simon, 1873 | Cobweb spiders |
| Theridula puebla Herbert Walt..., 1954 | Cobweb spiders |
| Theridula triangularis Keyserling, 1886 | |
| Thwaitesia affinis Octavius Pic..., 1882 | Cobweb spiders |
| Thwaitesia splendida Eugen von Ke..., 1884 | Cobweb spiders |
| Thymoites amprus Herbert Walt..., 1964 | Cobweb spiders |
| Thymoites bogus Herbert Walt..., 1959 | Cobweb spiders |
| Thymoites boneti Herbert Walt..., 1959 | |
| Thymoites boquete Herbert Walt..., 1959 | Cobweb spiders |
| Thymoites bradti Herbert Walt..., 1959 | |
| Thymoites caracasa Simon, 1895 | |
| Thymoites caracasanus Eugène Simon, 1895 | Cobweb spiders |
| Thymoites chiapensis Herbert Walt..., 1959 | |
| Thymoites chickeringi Herbert Walt..., 1959 | Cobweb spiders |
| Thymoites confraternus Richard C. B..., 1898 | |
| Thymoites corus Herbert Walt..., 1959 | |
| Thymoites delicatulus Herbert Walt..., 1959 | |
| Thymoites expulsus Willis J. Ge..., 1936 | |
| Thymoites guanicae Alexander Pe..., 1930 | |
| Thymoites illudens Willis J. Ge..., 1936 | |
| Thymoites indicatus Richard C. B..., 1929 | Cobweb spiders |
| Thymoites insignis O. Pickard-C..., 1897 | |
| Thymoites luculentus Eugène Simon, 1894 | Cobweb spiders |
| Thymoites maderae Willis J. Ge..., 1942 | Cobweb spiders |
| Thymoites marxi Crosby, 1906 | |
| Thymoites matachic Herbert Walt..., 1959 | |
| Thymoites mirus Herbert Walt..., 1964 | Crested anoda |
| Thymoites missionensis Herbert Walt..., 1957 | Cobweb spiders |
| Thymoites notabilis Herbert Walt..., 1959 | Cobweb spiders |
| Thymoites orilla Herbert Walt..., 1959 | |
| Thymoites pallidus James Henry ..., 1913 | |
| Thymoites prolatus Herbert Walt..., 1959 | Cobweb spiders |
| Thymoites puer Cândido Firm..., 1941 | |
| Thymoites reservatus Herbert Walt..., 1959 | Cobweb spiders |
| Thymoites sclerotis Herbert Walt..., 1957 | |
| Thymoites stylifrons Eugène Simon, 1894 | Cobweb spiders |
| Thymoites unisignatus Eugène Simon, 1894 | |
| Thymoites verus Herbert Walt..., 1959 | |
| Thymoites vivum O. Pickard-C..., 1899 | |
| Thymoites vivus Octavius Pic..., 1899 | Cobweb spiders |
| Tidarren haemorrhoidale Philip Bertkau, 1880 | Cobweb spiders |
| Tidarren mixtum (Octavius Pic..., 1896) | ⇒ Tidarren haemorrhoidale Philip Bertkau, 1880 |
| Tidarren sisyphoides Charles Atha..., 1842 | Cobweb spiders |
| Wamba congener Octavius Pic..., 1896 | |
| Wamba crispulus Eugène Simon, 1895 | |
| Wamba panamensis Herbert Walt..., 1959 | |
| Wirada mexicana Campuzano & ..., 2018 | |
