Theridiidae Sundevall, 1833
Achaearanea acoreensis (Berland, 1932)
Achaearanea alacris (Keyserling, 1884)
Achaearanea alboinsignita Locket, 1980
Achaearanea altiventer (Keyserling, 1884)
Achaearanea ambera Lévi, 1963
Achaearanea analista Lévi, 1963
Achaearanea anastema Lévi, 1963
Achaearanea angulithorax (Bösenberg & Strand, 1906)
Achaearanea anna Lévi, 1959
Achaearanea apex Lévi, 1959
Achaearanea asiatica (Bösenberg & Strand, 1906)
Achaearanea azteca (Chamberlin & Ivie, 1936)
Achaearanea banosensis Lévi, 1963
Achaearanea barra Lévi, 1963
Achaearanea bellula (Keyserling, 1891)
Achaearanea blattea (Urquhart, 1886)
Achaearanea brookesiana Barrion & Litsinger, 1995
Achaearanea budana Tikader, 1970
Achaearanea caliensis Lévi, 1963
Achaearanea campanulata Chen, 1993
Achaearanea camura (Simon, 1877)
Achaearanea canionis (Chamberlin & Gertsch, 1929)
Achaearanea caqueza Lévi, 1963
Achaearanea celsadomina Zhu, 1998
Achaearanea chilensis Lévi, 1963
Achaearanea chiricahua Levi, 1955
Achaearanea cingulata Zhu, 1998
Achaearanea cinnabarina Lévi, 1963
Achaearanea conjuncta (Gertsch & Mulaik, 1936)
Achaearanea culicivora (Bösenberg & Strand, 1906)
Achaearanea dalana Buckup & Marques, 1991
Achaearanea daliensis Zhu, 1998
Achaearanea dea Buckup & Marques, 2006
Achaearanea decorata (L. Koch, 1867)
Achaearanea diamantina Lévi, 1963
Achaearanea digitus Buckup & Marques, 2006
Achaearanea diglipuriensis Tikader, 1977
Achaearanea disparata Denis, 1965
Achaearanea diversipes (Rainbow, 1920)
Achaearanea dromedariformis (Roewer, 1942)
Achaearanea dubitabilis Wunderlich, 1987
Achaearanea ducta Zhu, 1998
Achaearanea durgae Tikader, 1970
Achaearanea epicosma (Rainbow, 1920)
Achaearanea eramus Lévi, 1963
Achaearanea extrilida (Keyserling, 1890)
Achaearanea extumida Xing, Gao & Zhu, 1994
Achaearanea ferrumequina (Bösenberg & Strand, 1906)
Achaearanea florendida Lévi, 1959
Achaearanea florens (O. P.-Cambridge, 1896)
Achaearanea fresno Levi, 1955
Achaearanea galeiforma Zhu, Zhang & Xu, 1991
Achaearanea gigantea (Keyserling, 1884)
Achaearanea globispira Henschel & Jocqué, 1994
Achaearanea globosa (Hentz, 1850)
Achaearanea gui Zhu, 1998
Achaearanea hammeni Chrysanthus, 1963
Achaearanea hermosillo Lévi, 1959
Achaearanea hieroglyphica (Mello-Leitao, 1940)
Achaearanea hirta (Taczanowski, 1873)
Achaearanea inopinata Brignoli, 1972
Achaearanea inops Lévi, 1963
Achaearanea insulsa (Gertsch & Mulaik, 1936)
Achaearanea isana Lévi, 1963
Achaearanea japonica (Bösenberg & Strand, 1906)
Achaearanea jequirituba Lévi, 1963
Achaearanea jinghongensis Zhu, 1998
Achaearanea kaindi Levi, Lubin & Robinson, 1982
Achaearanea kaspi Lévi, 1963
Achaearanea koepckei Lévi, 1963
Achaearanea kompirensis (Bösenberg & Strand, 1906)
Achaearanea labarda Roberts, 1983
Achaearanea lanyuensis Yoshida, Tso & Severinghaus, 2000
Achaearanea longiducta Zhu, 1998
Achaearanea lota Lévi, 1963
Achaearanea lunata (Clerck, 1757)
Achaearanea machaera Lévi, 1959
Achaearanea manzanillo Lévi, 1959
Achaearanea maraca Buckup & Marques, 1991
Achaearanea maricaoensis (Bryant, 1942)
Achaearanea maxima (Keyserling, 1891)
Achaearanea meraukensis Chrysanthus, 1963
Achaearanea micratula (Banks, 1909)
Achaearanea migrans (Keyserling, 1884)
Achaearanea milagro Lévi, 1963
Achaearanea mundula (L. Koch, 1872)
Achaearanea nayaritensis Lévi, 1959
Achaearanea nigrodecorata (Rainbow, 1920)
Achaearanea nigrovittata (Keyserling, 1884)
Achaearanea oblivia (O. P.-Cambridge, 1896)
Achaearanea oculiprominens (Saito, 1939)
Achaearanea ohlerti (Thorell, 1870)
Achaearanea orana Lévi, 1963
Achaearanea oxymaculata Zhu, 1998
Achaearanea palgongensis Seo, 1993
Achaearanea pallipera Lévi, 1963
Achaearanea parana Lévi, 1963
Achaearanea passiva (Keyserling, 1891)
Achaearanea pilaton Lévi, 1963
Achaearanea pinguis (Keyserling, 1886)
Achaearanea polygramma (Kulczynski, 1911)
Achaearanea porteri (Banks, 1896)
Achaearanea projectivulva Yoshida, 2001
Achaearanea propera (Keyserling, 1890)
Achaearanea pura (O. P.-Cambridge, 1894)
Achaearanea pusillana (Roewer, 1942)
Achaearanea pydanieli Buckup & Marques, 1991
Achaearanea quadrimaculata Yoshida, Tso & Severinghaus, 2000
Achaearanea rafaeli Buckup & Marques, 1991
Achaearanea rapa Lévi, 1963
Achaearanea rioensis Lévi, 1963
Achaearanea riparia (Blackwall, 1834)
Achaearanea rostra Zhu & Zhang, 1992
Achaearanea rostrata (O. P.-Cambridge, 1896)
Achaearanea rupicola (Emerton, 1882)
Achaearanea ryukyu Yoshida, 2000
Achaearanea schneirlai Lévi, 1959
Achaearanea schraderorum Lévi, 1959
Achaearanea schullei (Gertsch & Mulaik, 1936)
Achaearanea septemguttata (Simon, 1909)
Achaearanea serax Lévi, 1959
Achaearanea serenoae (Gertsch & Archer, 1942)
Achaearanea sicki Lévi, 1963
Achaearanea simaoica Zhu, 1998
Achaearanea simulans (Thorell, 1875)
Achaearanea songi Zhu, 1998
Achaearanea subtabulata Zhu, 1998
Achaearanea subvexa Zhu, 1998
Achaearanea tabulata Levi, 1980
Achaearanea taeniata (Keyserling, 1884)
Achaearanea taim Buckup & Marques, 2006
Achaearanea tepidariorum (C.L. Koch, 1841)
Achaearanea tesselata (Keyserling, 1884)
Achaearanea tingo Lévi, 1963
Achaearanea tovarensis Lévi, 1963
Achaearanea transipora (Zhu & Zhang, 1992)
Achaearanea trapezoidalis (Taczanowski, 1873)
Achaearanea triangula Yoshida, 1993
Achaearanea triangularis Patel, 2005
Achaearanea triguttata (Keyserling, 1891)
Achaearanea trinidensis Lévi, 1959
Achaearanea turquino Lévi, 1959
Achaearanea uviana Lévi, 1963
Achaearanea valoka Chrysanthus, 1975
Achaearanea veruculata (Urquhart, 1886)
Achaearanea vervoorti Chrysanthus, 1975
Achaearanea vivida (Keyserling, 1891)
Achaearanea wau Levi, Lubin & Robinson, 1982
Achaearanea zonensis Lévi, 1959