- family: Theridiidae
- genus: Achaearanea
- species: Achaearanea anna Levi, 1959
- species: Achaearanea apex Levi, 1959
- species: Achaearanea azteca (Chamberlin & Ivie, 1936)
- species: Achaearanea florendida Levi, 1959
- species: Achaearanea florens (O. P.-Cambridge, 1896)
- species: Achaearanea hermosillo Levi, 1959
- species: Achaearanea hirta (Taczanowski, 1873)
- species: Achaearanea machaera Levi, 1959
- species: Achaearanea manzanillo Levi, 1959
- species: Achaearanea maricaoensis (Bryant, 1942)
- species: Achaearanea nayaritensis Levi, 1959
- species: Achaearanea nigrovittata (Keyserling, 1884)
- species: Achaearanea oblivia (O. P.-Cambridge, 1896)
- species: Achaearanea porteri (Banks, 1896)
- species: Achaearanea pura (O. P.-Cambridge, 1894)
- species: Achaearanea rostrata (O. P.-Cambridge, 1896)
- species: Achaearanea schneirlai Levi, 1959
- species: Achaearanea schraderorum Levi, 1959
- species: Achaearanea serax Levi, 1959
- species: Achaearanea taeniata (Keyserling, 1884)
- species: Achaearanea tesselata (Keyserling, 1884)
- species: Achaearanea trinidensis Levi, 1959
- species: Achaearanea turquino Levi, 1959
- species: Achaearanea zonensis Levi, 1959
- genus: Ameridion
- species: Ameridion armouri (Levi, 1959)
- species: Ameridion aspersum (Cambridge, 1902)
- species: Ameridion atlixco (Levi, 1959)
- species: Ameridion bridgesi (Levi, 1959)
- species: Ameridion chilapa (Levi, 1959)
- species: Ameridion clemens (Levi, 1959)
- species: Ameridion cobanum (Levi, 1959)
- species: Ameridion colima (Levi, 1959)
- species: Ameridion lathropi (Levi, 1959)
- species: Ameridion malkini (Levi, 1959)
- species: Ameridion marvum (Levi, 1959)
- species: Ameridion moctezuma (Levi, 1959)
- species: Ameridion musawas (Levi, 1959)
- species: Ameridion paidiscum (Levi, 1959)
- species: Ameridion panum (Levi, 1959)
- species: Ameridion petrum (Levi, 1959)
- species: Ameridion plantatum (Levi, 1959)
- species: Ameridion progum (Levi, 1959)
- species: Ameridion quantum (Levi, 1959)
- species: Ameridion reservum (Levi, 1959)
- species: Ameridion rinconense (Levi, 1959)
- species: Ameridion ruinum (Levi, 1959)
- species: Ameridion schmidti (Levi, 1959)
- species: Ameridion signaculum (Levi, 1959)
- species: Ameridion signum (Levi, 1959)
- species: Ameridion tempum (Levi, 1959)
- species: Ameridion unanimum (Keyserling, 1891)
- genus: Chrosiothes
- genus: Exalbidion
- genus: Jamaitidion
- genus: Keijia
- genus: Theridion
- species: Theridion adjacens (O. P.-Cambridge, 1896)
- species: Theridion akme Levi, 1959
- species: Theridion akron Levi, 1959
- species: Theridion albulum O. P.-Cambridge, 1898
- species: Theridion antillanum Simon, 1894
- species: Theridion apulco Levi, 1959
- species: Theridion archeri Levi, 1959
- species: Theridion artum Levi, 1959
- species: Theridion barbarae Levi, 1959
- species: Theridion biolleyi Banks, 1909
- species: Theridion bolivari Levi, 1959
- species: Theridion bryantae Roewer, 1951
- species: Theridion cameronense Levi, 1957
- species: Theridion cavipalpe (Cambridge, 1902)
- species: Theridion cazieri Levi, 1959
- species: Theridion centrum Levi, 1959
- species: Theridion chihuahua Levi, 1959
- species: Theridion chiriqui Levi, 1959
- species: Theridion contreras Levi, 1959
- species: Theridion coyoacan Levi, 1959
- species: Theridion crucum Levi, 1959
- species: Theridion davisorum Levi, 1959
- species: Theridion dilucidum Simon, 1897
- species: Theridion dreisbachi Levi, 1959
- species: Theridion elisabethae Roewer, 1951
- species: Theridion evexum Keyserling, 1884
- species: Theridion excavatum Cambridge, 1902
- species: Theridion frio Levi, 1959
- species: Theridion galerum Levi, 1959
- species: Theridion gertschi Levi, 1959
- species: Theridion grecia Levi, 1959
- species: Theridion hispidum O. P.-Cambridge, 1898
- species: Theridion hondurense Levi, 1959
- species: Theridion leones Levi, 1959
- species: Theridion martini Levi, 1959
- species: Theridion metabolum Chamberlin & Ivie, 1936
- species: Theridion minutissimum Keyserling, 1884
- species: Theridion morulum O. P.-Cambridge, 1898
- species: Theridion nadleri Levi, 1959
- species: Theridion niveum O. P.-Cambridge, 1898
- species: Theridion nudum Levi, 1959
- species: Theridion omiltemi Levi, 1959
- species: Theridion resum Levi, 1959
- species: Theridion ricense Levi, 1959
- species: Theridion rothi Levi, 1959
- species: Theridion sanctum Levi, 1959
- species: Theridion sinaloa Levi, 1959
- species: Theridion styligerum Cambridge, 1902
- species: Theridion submissum Gertsch & Davis, 1936
- species: Theridion transgressum Petrunkevitch, 1911
- species: Theridion trepidum O. P.-Cambridge, 1898
- species: Theridion tristani Levi, 1959
- species: Theridion turrialba Levi, 1959
- species: Theridion uncatum Cambridge, 1902
- species: Theridion valleculum Levi, 1959
- species: Theridion vulvum Levi, 1959
- genus: Thymoites
- species: Thymoites banksi (Bryant, 1948)
- species: Thymoites bogus (Levi, 1959)
- species: Thymoites boneti (Levi, 1959)
- species: Thymoites boquete (Levi, 1959)
- species: Thymoites bradti (Levi, 1959)
- species: Thymoites caracasanus (Simon, 1895)
- species: Thymoites chiapensis (Levi, 1959)
- species: Thymoites chickeringi (Levi, 1959)
- species: Thymoites confraternus (Banks, 1898)
- species: Thymoites corus (Levi, 1959)
- species: Thymoites delicatulus (Levi, 1959)
- species: Thymoites expulsus (Gertsch & Mulaik, 1936)
- species: Thymoites guanicae (Petrunkevitch, 1930)
- species: Thymoites illudens (Gertsch & Mulaik, 1936)
- species: Thymoites indicatus (Banks, 1929)
- species: Thymoites luculentus (Simon, 1894)
- species: Thymoites maderae (Gertsch & Archer, 1942)
- species: Thymoites marxi (Crosby, 1906)
- species: Thymoites matachic (Levi, 1959)
- species: Thymoites missionensis (Levi, 1957)
- species: Thymoites notabilis (Levi, 1959)
- species: Thymoites orilla (Levi, 1959)
- species: Thymoites pallidus (Emerton, 1913)
- species: Thymoites piarco (Levi, 1959)
- species: Thymoites prolatus (Levi, 1959)
- species: Thymoites reservatus (Levi, 1959)
- species: Thymoites sclerotis (Levi, 1957)
- species: Thymoites simla (Levi, 1959)
- species: Thymoites stylifrons (Simon, 1894)
- species: Thymoites verus (Levi, 1959)
- species: Thymoites vivus (O. P.-Cambridge, 1899)
- genus: Wamba