- family: Theridiidae
- genus: Thwaitesia
- species: Thwaitesia affinis O. P.-Cambridge, 1882
- species: Thwaitesia algerica Simon, 1895
- species: Thwaitesia argentata Thorell, 1890
- species: Thwaitesia argenteoguttata (Tullgren, 1910)
- species: Thwaitesia argenteosquamata (Lenz, 1891)
- species: Thwaitesia argentiopunctata (Rainbow, 1916)
- species: Thwaitesia aureosignata (Lenz, 1891)
- species: Thwaitesia bracteata (Exline, 1950)
- species: Thwaitesia dangensis Patel & Patel, 1972
- species: Thwaitesia glabicauda Zhu, 1998
- species: Thwaitesia inaurata (Vinson, 1863)
- species: Thwaitesia margaritifera O. P.-Cambridge, 1881
- species: Thwaitesia meruensis (Tullgren, 1910)
- species: Thwaitesia nigronodosa (Rainbow, 1912)
- species: Thwaitesia phoenicolegna Thorell, 1895
- species: Thwaitesia pulcherrima Butler, 1882
- species: Thwaitesia rhomboidalis Simon, 1903
- species: Thwaitesia scintillans Kulczynski, 1911
- species: Thwaitesia simoni (Keyserling, 1884)
- species: Thwaitesia spinicauda Thorell, 1895
- species: Thwaitesia splendida Keyserling, 1884
- species: Thwaitesia turbinata Simon, 1903