Superfamilia Araneoidea
Familia Araneidae
Alpaida grayi (Blackwall, 1863) — Brasil, Paraguay, Uruguay, Argentina
Alpaida latro (Fabricius, 1775) — Brasil, Uruguay, Paraguay, Argentina
Alpaida quadrilorata (Simon, 1897) — Brasil, Paraguay, Uruguay, Argentina
Alpaida versicolor (Keyserling, 1877) — Brasil, Paraguay, Uruguay, Argentina
Araneus blumenau Levi, 1991 — Brasil, Uruguay, Argentina
Argiope trifasciata (Forsskal, 1775) — Cosmopolitan
Eustala fuscovittata (Keyserling, 1864) — México, Cuba to South America
Eustala palmares Poeta, Marques & Buckup, 2010 — Brasil, Uruguay
Eustala photographica Mello-Leitao, 1944 — Brasil, Uruguay, Argentina
Eustala saga (Keyserling, 1893) — Brasil, Uruguay
Eustala taquara (Keyserling, 1892) — Brasil, Uruguay, Argentina
Larinia bivittata Keyserling, 1885 — Brasil, Paraguay, Uruguay, Argentina, Chile
Mastophora extraordinaria Holmberg, 1876 — Brasil, Uruguay, Argentina
Mastophora satan Canals, 1931 — Brasil, Uruguay, Argentina
Mecynogea bigibba Simon, 1903 — Brasil, Uruguay
Mastophora yacare Levi, 2003 — Uruguay
Metepeira gressa (Keyserling, 1892) — Brasil, Paraguay, Uruguay, Argentina
Micrathena furcata (Hahn, 1822) — Brasil, Argentina, Uruguay
Micrathena furva (Keyserling, 1892) — Brasil, Uruguay, Argentina
Micrathena nigrichelis Strand, 1908 — Brasil, Paraguay, Uruguay, Argentina
Parawixia undulata (Keyserling, 1892) — Brasil, Uruguay, Argentina
Zygiella x-notata (Clerck, 1757) — Holarctic, Neotropical
Familia Linyphiidae
Laminacauda montevidensis (Keyserling, 1878) — Brasil, Uruguay, Argentina
Mermessus fradeorum (Berland, 1932) — Cosmopolitan
Ostearius melanopygius (O. P.-Cambridge, 1879) — Cosmopolitan
Pseudotyphistes pennatus Brignoli, 1972 — Uruguay
Familia Nephilidae
Nephila clavipes (Linnaeus, 1767) — USA to Argentina, São Tomé
Nephila clavipes fasciculata (De Geer, 1778) — USA to Argentina
Nephilingis cruentata (Fabricius, 1775) — Tropical Africa, South America
Familia Nesticidae
Nesticus brignolii Ott & Lise, 2002 — Brasil, Uruguay, Argentina
Familia Theridiidae
Latrodectus geometricus |
Steatoda grossa |
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Anelosimus lorenzo Fowler & Levi, 1979 — Brasil, Paraguay, Uruguay, Argentina
Ariamnes attenuatus O. P.-Cambridge, 1881 — Costa Rica, West Indies to Argentina
Anelosimus vierae Agnarsson, 2012 — Uruguay
Coleosoma blandum O. P.-Cambridge, 1882 — Cosmopolitan
Cryptachaea blattea (Urquhart, 1886) — Cosmopolitan
Cryptachaea pinguis (Keyserling, 1886) — Brasil, Uruguay
Latrodectus curacaviensis (Müller, 1776) — Lesser Antilles, South America
Latrodectus geometricus C. L. Koch, 1841 — Cosmopolitan
Latrodectus mactans (Fabricius, 1775) — probably native to North America only (introduced elsewhere)
Nesticodes rufipes (Lucas, 1846) — Pantropical, introduced elsewhere
Parasteatoda nigrovittata (Keyserling, 1884) — México to Argentina
Parasteatoda tepidariorum (C. L. Koch, 1841) — Cosmopolitan
Steatoda albomaculata (De Geer, 1778) — Cosmopolitan
Steatoda grossa (C. L. Koch, 1838) — Cosmopolitan
Steatoda triangulosa (Walckenaer, 1802) — Cosmopolitan
Theridula gonygaster (Simon, 1873) — Cosmopolitan
Theridula opulenta (Walckenaer, 1841) — Cosmopolitan
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