N.B.: not a senior synonym of Nilakantha G. W. Peckham & E. G. Peckham, 1901 (contra Bryant, 1950: 202) and of Colonus F. O. Pickard-Cambridge, 1901 (contra Simon, 1903a: 1050) per Bustamante, Maddison & Ruiz, 2015: 186.

Transferred to other genera:

Thiodina agrestis (G. W. Peckham & E. G. Peckham, 1883) -- see Colonus

Thiodina branicki (Taczanowski, 1871) -- see Colonus

Thiodina candida Mello-Leitão, 1922 -- see Colonus

Thiodina cockerelli (G. W. Peckham & E. G. Peckham, 1901) -- see Nilakantha

Thiodina crucifera (F. O. Pickard-Cambridge, 1901) -- see Nilakantha

Thiodina germaini Simon, 1900 -- see Colonus

Thiodina hespera Richman & Vetter, 2004 -- see Colonus

Thiodina inerma Bryant, 1940 -- see Nilakantha

Thiodina melanogaster Mello-Leitão, 1917 -- see Colonus

Thiodina pallida (C. L. Koch, 1846) -- see Colonus

Thiodina peckhami (Bryant, 1940) -- see Nilakantha

Thiodina pseustes Chamberlin & Ivie, 1936 -- see Colonus

Thiodina puerpera (Hentz, 1846) -- see Colonus

Thiodina punctulata Mello-Leitão, 1917 -- see Colonus

Thiodina retiaria (Hentz, 1850) -- see Colonus

Thiodina rishwani Makhan, 2006 -- see Colonus

Thiodina robusta Mello-Leitão, 1945 -- see Colonus

Thiodina setosa Mello-Leitão, 1947 -- see Cotinusa

Thiodina sylvana (Hentz, 1846) -- see Colonus

Thiodina vaccula Simon, 1900 -- see Colonus

Thiodina vellardi Soares & Camargo, 1948 -- see Colonus

Homonym replaced:

Thiodina elegans (Nicolet, 1849) -- see Thiodina nicoleti Roewer, 1951 Roewer, 1951

Nomina dubia:

Thiodina inquies (Walckenaer, 1837: 438, f, USA, originally in Attus) -- Richman, 1978: 60

Thiodina irrorata (Walckenaer, 1837: 466, f, USA, originally in Attus) -- Richman, 1978: 60