In synonymy:
Orithya Blackwall, 1858 = Zosis Walckenaer, 1841 (Simon, 1892a: 214, sub Uloborus, confirmed by Lehtinen, 1967: 277)
Transferred to other genera:
Zosis hyrcana Brignoli, 1979 -- see Octonoba
Zosis mundior (Chamberlin & Ivie, 1936) -- see Philoponella
Zosis sinensis (Simon, 1880) -- see Octonoba
Zosis sybotides (Bösenberg & Strand, 1906) -- see Octonoba
Zosis varians (Bösenberg & Strand, 1906) -- see Octonoba
Zosis yesoensis (Saito, 1934) -- see Octonoba
In synonymy:
Zosis danolia (Tikader, 1969, T from Uloborus) = Zosis geniculata Olivier, 1789 (Asha & Sudhikumar, 2023: 360)
Zosis geniculata altissima (Franganillo, 1926) = Zosis geniculata Olivier, 1789 (Alayón & Sherwood, 2022: 613, confirming Bonnet, 1959: 4763)
Zosis geniculata humilis (Franganillo, 1926) = Zosis geniculata Olivier, 1789 (Alayón & Sherwood, 2022: 613, confirming Bonnet, 1959: 4763)
Zosis geniculata quadripunctata (Franganillo, 1926) = Zosis geniculata Olivier, 1789 (Alayón & Sherwood, 2022: 613, confirming Bonnet, 1959: 4763)
Zosis geniculata similis (Franganillo, 1926) = Zosis geniculata Olivier, 1789 (Alayón & Sherwood, 2022: 613, confirming Bonnet, 1959: 4763)
Zosis luteola (Blackwall, 1865, T from Uloborus) = Zosis geniculata Olivier, 1789 (Benoit, 1978g: 676)
Zosis spinitarsis (Keyserling, 1887, T from Uloborus) = Zosis geniculata Olivier, 1789 (Davies, 1985: 118)
Zosis williamsi (Blackwall, 1858, T from Orithya) = Zosis geniculata Olivier, 1789 (Simon, 1892a: 214, sub Uloborus)
Zosis xiamenensis (Xie, Peng, Zhang, Gong & Kim, 1997, T from Philoponella) = Zosis geniculata Olivier, 1789 (Song, Zhu & Chen, 1999: 85)
Zosis zenzesi (Mello-Leitão, 1945, T from Uloborus) = Zosis peruana Keyserling, 1881 (Grismado, 2004c: 12)
Nomen dubium:
Zosis ursinus (Mello-Leitão, 1947c: 7, pl. 6, f. 51, f, Brazil) -- Opell, 1979: 502, 512