type Attus elegans Nicolet, 1849, preoccupied by Hentz, 1846, replacement name Thiodina nicoleti Roewer, 1951; gender feminine

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 (see 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.

Thiodina camilae Bustamante & Ruiz, 2020: 131, f. 9-10, 52-63 (Dmf).

Thiodina firme Bustamante & Ruiz, 2017: 333, f. 8I, 9B, 24A-F (Dm).

Cyllodania minuta Galiano, 1977b: 77, f. 7-10, 13-17 (Dmf).
Thiodina minuta Bustamante & Ruiz, 2017: 333 (T from Cyllodania).

Attus elegans Nicolet, 1849: 367, pl. 3, f. 2 (Df; preoccupied by Hentz, 1846, see Tutelina elegans) [urn:lsid:nmbe.ch:spidersp:059171].
Thiodina elegans Simon, 1901a: 459.
Thiodina nicoleti Roewer, 1951: 450 (replacement name).
Thiodina nicoleti Bustamante, Maddison & Ruiz, 2015: 183, f. 1-17, 30 (Dm, f).
Thiodina nicoleti Prószyński, 2017b: 61, f. 27M (m).

Thiodina perian Bustamante & Ruiz, 2017: 335, f. 8J, 25A-F, 26A-F (Dm).

Thiodina tefyta Rubio, Baigorria & Stolar, 2023: 7, f. 24-39 (Dmf).

Thiodina tyrioni Bustamante & Ruiz, 2020: 135, f. 11-12, 64-75 (Dmf).