1. Species Triviella amaryllis F. A. Schilder, 1925
2. Species Triviella angushawkei Fehse & Grego, 2018 †
3. Species Triviella aperta (Swainson, 1822)
4. Species Triviella calvariola (Kilburn, 1980)
5. Species Triviella carptima Fehse, 2016
6. Species Triviella chiapponii Fehse, 2016
7. Species Triviella costata (Gmelin, 1791)
8. Species Triviella debruini (Lorenz, 1994)
9. Species Triviella eratoides (Liltved, 1986)
10. Species Triviella franziskae Fehse & Massier, 2000
11. Species Triviella goslineri (Liltved & Millard, 1994)
12. Species Triviella immelmani Rosenberg & Finley, 2001
13. Species Triviella insolita Fehse & Grego, 2007
14. Species Triviella khanya (Liltved, 1986)
15. Species Triviella korneli Fehse & Grego, 2018 †
16. Species Triviella lemaitrei (Liltved, 1986)
17. Species Triviella lorenzi Fehse, 2016
18. Species Triviella lowtheri Beals, 2008
19. Species Triviella magnidentata (Liltved, 1986)
20. Species Triviella martybealsi Fehse, 2016
21. Species Triviella massieri (P. Martin & Poppe, 1991)
22. Species Triviella montorum Fehse, 2016
23. Species Triviella multicostata (Liltved, 1986)
24. Species Triviella neglecta F. A. Schilder, 1930
25. Species Triviella ovulata (Lamarck, 1810)
26. Species Triviella phalacra F. A. Schilder, 1930
27. Species Triviella pompholugota (Tate, 1890) †
28. Species Triviella pseudovulata F. A. Schilder & M. Schilder, 1929
29. Species Triviella rubra (H. Shaw, 1909)
30. Species Triviella sanctispiritus (Shikama, 1974)
31. Species Triviella sharonae (Hayes, 1993)
32. Species Triviella splendidissima Tomlin & F. A. Schilder, 1934
33. Species Triviella verhoefi (Gosliner & Liltved, 1981)
34. Species Triviella vesicularis (Gaskoin, 1836)
35. Species Triviella williami Fehse, 2006
36. Species Triviella gamma Mestayer, 1927 accepted as Pusula pediculus (Linnaeus, 1758) (unaccepted > junior subjective synonym)
37. Species Triviella maoriensis Mestayer, 1927 accepted as Ellatrivia merces (Iredale, 1924) (junior subjective synonym)
38. Species Triviella memorata H. J. Finlay, 1926 accepted as Ellatrivia merces (Iredale, 1924) (junior subjective synonym)
39. Species Triviella merces Iredale, 1924 accepted as Ellatrivia merces (Iredale, 1924) (superseded combination)
40. Species Triviella porcellio C. N. Cate, 1979 accepted as Triviella neglecta F. A. Schilder, 1930 (dubious synonym)
41. Species Triviella tenuicostata Fehse, 2023 accepted as Triviella multicostata (Liltved, 1986) (unnecessary replacement name for Trivia multicostata Liltved, 1986, by Fehse treated as a junior homonym of Trivia arctica multicostata Settepassi, 1971 [an unavailable name])
42. Species Triviella virginiae (Liltved, 1986) accepted as Triviella vesicularis (Gaskoin, 1836)
43. Species Triviella austrafricana C. N. Cate, 1979 (uncertain > nomen dubium)
44. Species Triviella carnea (Gray, 1828) (uncertain > nomen dubium)
45. Species Triviella millardi (C. N. Cate, 1979) (uncertain > nomen dubium)

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