1. Species Trivia acuminata Schilder, 1932 †
2. Species Trivia arctica (Pulteney, 1799)
3. Species Trivia burdigalensis (A. d'Orbigny, 1852) †
4. Species Trivia candidula (Gaskoin, 1836)
5. Species Trivia coccinelloides (J. Sowerby, 1822) †
6. Species Trivia cylindrica Dolin, 2001
7. Species Trivia dakarensis Schilder, 1967
8. Species Trivia disjuncta Fehse, 2021 †
9. Species Trivia eszterae Fehse & Vicián, 2006 †
10. Species Trivia koroensis Ladd, 1934 †
11. Species Trivia leditae Rios, 2009
12. Species Trivia levantina Smriglio, Mariottini & Buzzurro, 1998
13. Species Trivia mediterranea (Risso, 1826)
14. Species Trivia monacha (da Costa, 1778)
15. Species Trivia multilirata (G. B. Sowerby II, 1870)
16. Species Trivia napolina (Kiener, 1844)
17. Species Trivia parvula Schilder, 1933 †
18. Species Trivia pinguior Marwick, 1926 †
19. Species Trivia pura Fehse & Grego, 2021
20. Species Trivia retusa (J. Sowerby, 1822) †
21. Species Trivia sceauxensis Landau, Ceulemans & Van Dingenen, 2018 †
22. Species Trivia selmae O. Boettger, 1902 †
23. Species Trivia simplex Fehse, 2011 †
24. Species Trivia smithi (K. Martin, 1884) †
25. Species Trivia sphaericulata (Lamarck, 1810) †
26. Species Trivia virginea Fehse & Grego, 2021
27. Species Trivia vivesi Dolin, 1998 †
28. Subgenus Trivia (Epona) H. Adams & A. Adams, 1854 accepted as Pustularia Swainson, 1840 (unaccepted > junior subjective synonym)
29. Subgenus Trivia (Niveria) Jousseaume, 1884 accepted as Niveria Jousseaume, 1884 (unaccepted > superseded combination)
    1. Species Trivia (Niveria) hybrida Schilder, 1931 accepted as Pusula hybrida (Schilder, 1931) accepted as Niveria hybrida (Schilder, 1931) (original combination)
    2. Species Trivia (Niveria) pacei Petuch, 1987 accepted as Pusula cimex (G. B. Sowerby II, 1870)
30. Subgenus Trivia (Pseudotrivia) Schilder, 1936 accepted as Trivellona Iredale, 1931
    1. Species Trivia (Pseudotrivia) sanctispiritus Shikama, 1974 accepted as Triviella sanctispiritus (Shikama, 1974) (basionym)
    2. Species Trivia (Pseudotrivia) sharonae Hayes, 1993 accepted as Triviella sharonae (Hayes, 1993) (basionym)
31. Subgenus Trivia (Pustularia) Swainson, 1840 accepted as Pustularia Swainson, 1840
    1. Species Trivia (Pustularia) consobrina Garrett, 1879 accepted as Staphylaea staphylaea consobrina (Garrett, 1879) (basionym)
32. Subgenus Trivia (Pusula) Jousseaume, 1884 accepted as Pusula Jousseaume, 1884
    1. Species Trivia (Pusula) pediculus (Linnaeus, 1758) accepted as Pusula pediculus (Linnaeus, 1758) (unaccepted > superseded combination)
    2. Species Trivia (Pusula) sanguinea (G. B. Sowerby I, 1832) accepted as Pseudopusula sanguinea (G. B. Sowerby I, 1832)
33. Subgenus Trivia (Trivia) Gray, 1837 accepted as Trivia J. E. Gray, 1837
    1. Species Trivia (Trivia) arctica (Pulteney, 1799) accepted as Trivia arctica (Pulteney, 1799)
    2. Species Trivia (Trivia) calva F. A. Schilder, 1928 † accepted as Laevitrivia calva (F. A. Schilder, 1928) † (basionym)
    3. Species Trivia (Trivia) dakarensis Schilder, 1967 accepted as Trivia dakarensis Schilder, 1967 (basionym)
    4. Species Trivia (Trivia) francisca F. A. Schilder, 1927 † accepted as Laevitrivia francisca (F. A. Schilder, 1927) † (original combination)
    5. Species Trivia (Trivia) vivesi Dolin, 1998 † accepted as Trivia vivesi Dolin, 1998 †
34. Subgenus Trivia (Triviella) Jousseaume, 1884 accepted as Triviella Jousseaume, 1884
    1. Species Trivia (Triviella) calvariola Kilburn, 1980 accepted as Triviella calvariola (Kilburn, 1980) (basionym)
    2. Species Trivia (Triviella) costata (Gmelin, 1791) accepted as Triviella costata (Gmelin, 1791)
35. Species Trivia abyssicola Schepman, 1909 accepted as Trivellona abyssicola (Schepman, 1909)
36. Species Trivia acutidentata (Gaskoin, 1936) accepted as Dolichupis acutidentata (Gaskoin, 1836) (unaccepted combination)
37. Species Trivia acutisulcata Kenyon, 1900 accepted as Cleotrivia globosa (J. E. Gray, 1832)
38. Species Trivia aequiflora Laws, 1941 † accepted as Ellatrivia aequiflora (Laws, 1941) † (superseded combination)
39. Species Trivia affinis Marrat, 1867 accepted as Purpurcapsula corinneae (H. Shaw, 1909) (Invalid: secondary homonym)
40. Species Trivia affinis (Dujardin, 1837) † accepted as Niveria dimidiatoaffinis (Sacco, 1894) † (unaccepted > junior homonym, not Trivia affinis Marrat, 1867)
41. Species Trivia angliae S. V. Wood, 1848 † accepted as Niveria angliae (S. V. Wood, 1848) † (original combination)
42. Species Trivia antillarum Schilder, 1922 accepted as Pseudopusula antillarum (F. A. Schilder, 1922) (original combination)
43. Species Trivia aperta (Swainson, 1822) accepted as Triviella aperta (Swainson, 1822)
44. Species Trivia atomaria Dall, 1902 accepted as Cleotrivia atomaria (Dall, 1902) (original combination)
45. Species Trivia bipunctata Odhner, 1917 accepted as Ellatrivia bipunctata (Odhner, 1917)
46. Species Trivia bitou Pallary, 1912 accepted as Trivirostra bitou (Pallary, 1912) (original combination)
47. Species Trivia caelatura Hedley, 1918 accepted as Trivellona caelatura (Hedley, 1918) accepted as Ellatrivia caelatura (Hedley, 1918)
48. Species Trivia californiana (Gray, 1827) accepted as Pseudopusula californiana (J. E. Gray, 1827)
49. Species Trivia calvariola Kilburn, 1980 accepted as Triviella calvariola (Kilburn, 1980) (original combination)
50. Species Trivia canariensis Simonelli, 1890 † accepted as Pseudopusula canariensis (Simonelli, 1890) † (original combination)
51. Species Trivia corinneae H. Shaw, 1909 accepted as Purpurcapsula corinneae (H. Shaw, 1909) (original combination)
52. Species Trivia corrugata Pease, 1868 accepted as Trivirostra corrugata (Pease, 1868) (original combination)
53. Species Trivia cosmoi Dautzenberg, 1921 accepted as Cleotrivia globosa (J. E. Gray, 1832)
54. Species Trivia costata (Gmelin, 1791) accepted as Triviella costata (Gmelin, 1791)
55. Species Trivia dalmatica Coen, 1937 accepted as Trivia multilirata (G. B. Sowerby II, 1870)
56. Species Trivia dartevellei Knudsen, 1955 accepted as Discotrivia depauperata (G. B. Sowerby I, 1832)
57. Species Trivia debruini Lorenz, 1994 accepted as Triviella debruini (Lorenz, 1994) (original combination)
58. Species Trivia desirabilis Iredale, 1912 accepted as Semitrivia desirabilis (Iredale, 1912) accepted as Trivellona desirabilis (Iredale, 1912) (superseded combination)
59. Species Trivia dorsolevigata Schilder, 1932 accepted as Trivia arctica (Pulteney, 1799)
60. Species Trivia edgari H. Shaw, 1909 accepted as Trivirostra edgari (H. Shaw, 1909) (unaccepted > superseded combination)
61. Species Trivia elsiae F. B. Howard & Sphon, 1960 accepted as Pusula elsiae (F. B. Howard & Sphon, 1960) (original combination)
62. Species Trivia eos S. R. Roberts, 1913 accepted as Trivellona eos (S. R. Roberts, 1913) (original combination)
63. Species Trivia eratoides Liltved, 1986 accepted as Triviella eratoides (Liltved, 1986) (original combination)
64. Species Trivia erugata Tate, 1890 † accepted as Semitrivia erugata (Tate, 1890) † (unaccepted > superseded combination)
65. Species Trivia europaea (Montagu, 1808) accepted as Trivia monacha (da Costa, 1778)
66. Species Trivia exigua (J. E. Gray, 1831) accepted as Purpurcapsula exigua (J. E. Gray, 1831)
67. Species Trivia flora Marwick, 1928 accepted as Trivia zealandica T. W. Kirk, 1882 accepted as Ellatrivia zealandica (T. W. Kirk, 1882) †
68. Species Trivia floridana Olsson & Harbison, 1953 † accepted as Pseudopusula floridana (Olsson & Harbison, 1953) † (original combination)
69. Species Trivia galapagensis (Melvill, 1900) accepted as Pseudopusula galapagensis (Melvill, 1900) (unaccepted combination)
70. Species Trivia gaskoinii S. R. Roberts, 1870 accepted as Trivirostra scabriuscula (Gray, 1827)
71. Species Trivia globosa (J. E. Gray, 1832) accepted as Cleotrivia globosa (J. E. Gray, 1832)
72. Species Trivia globulosa Locard & Caziot, 1900 accepted as Trivia arctica (Pulteney, 1799) (synonym)
73. Species Trivia goslineri Liltved & Millard, 1994 accepted as Triviella goslineri (Liltved & Millard, 1994) (original combination)
74. Species Trivia grohorum (Fehse & Grego, 2008) accepted as Pseudopusula grohorum (Fehse & Grego, 2008)
75. Species Trivia hallucinata Liltved, 1984 accepted as Semitrivia hallucinata (Liltved, 1984) (original combination)
76. Species Trivia hispania C. N. Cate, 1979 accepted as Trivia arctica (Pulteney, 1799)
77. Species Trivia hordacea (Kiener, 1844) accepted as Trivirostra hordacea (Kiener, 1844)
78. Species Trivia insecta (Mighels, 1845) accepted as Trivirostra hordacea (Kiener, 1844)
79. Species Trivia intuscrenata (Cossmann & Pissarro, 1905) † accepted as Niveria intuscrenata (Cossmann & Pissarro, 1905) † (unaccepted > superseded combination)
80. Species Trivia islahispaniolae Maury, 1917 † accepted as Dolichupis islahispaniolae (Maury, 1917) † (unaccepted > superseded combination)
81. Species Trivia jousseaumei Locard, 1886 accepted as Trivia monacha (da Costa, 1778)
82. Species Trivia khanya Liltved, 1986 accepted as Triviella khanya (Liltved, 1986) (original combination)
83. Species Trivia lathyrus (Blainville, 1826) sensu Schilder, 1922 accepted as Trivia mediterranea (Risso, 1826) (unaccepted > misapplication)
84. Species Trivia lemaitrei Liltved, 1986 accepted as Triviella lemaitrei (Liltved, 1986) (original combination)
85. Species Trivia leucosphaera (F. A. Schilder, 1931) accepted as Dolichupis leucosphaera (F. A. Schilder, 1931) (unaccepted > superseded combination)
86. Species Trivia liltvedi Gofas, 1984 accepted as Niveria liltvedi (Gofas, 1984)
87. Species Trivia magnidentata Liltved, 1986 accepted as Triviella magnidentata (Liltved, 1986) (original combination)
88. Species Trivia maltbiana Schwengel & T. L. McGinty, 1942 accepted as Niveria maltbiana (Schwengel & T. L. McGinty, 1942) (original combination)
89. Species Trivia marlowi Rosenberg & Finley, 2001 accepted as Trivellona marlowi (Rosenberg & Finley, 2001) (original combination)
90. Species Trivia massieri Martin & Poppe, 1991 accepted as Triviella massieri (P. Martin & Poppe, 1991) (original combination)
91. Species Trivia maugeriae (J. E. Gray, 1832) accepted as Niveria maugeriae (J. E. Gray, 1832) (superseded combination)
92. Species Trivia merces (Iredale, 1924) accepted as Ellatrivia merces (Iredale, 1924) (superseded combination)
93. Species Trivia merlini Fehse & Van de Haar, 2015 accepted as Trivia monacha (da Costa, 1778)
94. Species Trivia millardi (C. N. Cate, 1979) accepted as Triviella millardi (C. N. Cate, 1979)
95. Species Trivia minima Tenison Woods, 1879 † accepted as Ellatrivia minima (Tenison Woods, 1879) † (unaccepted > superseded combination)
96. Species Trivia mollerati Locard, 1894 accepted as Trivia arctica (Pulteney, 1799)
97. Species Trivia multicostata Liltved, 1986 accepted as Triviella multicostata (Liltved, 1986) (original combination)
98. Species Trivia myrae G. B. Campbell, 1961 accepted as Dolichupis myrae (G. B. Campbell, 1961) (original combination)
99. Species Trivia neglecta (F. A. Schilder, 1930) accepted as Triviella neglecta F. A. Schilder, 1930
100. Species Trivia nix Schilder, 1922 accepted as Niveria nix (Schilder, 1922) (original combination)
101. Species Trivia occidentalis F. A. Schilder, 1922 accepted as Cleotrivia occidentalis (F. A. Schilder, 1922) (superseded combination)
102. Species Trivia oryza (Lamarck, 1810) accepted as Trivirostra oryza (Lamarck, 1810) (superseded combination)
103. Species Trivia ovulata (Lamarck, 1810) accepted as Triviella ovulata (Lamarck, 1810)
104. Species Trivia pacei Petuch, 1987 accepted as Pusula cimex (G. B. Sowerby II, 1870)
105. Species Trivia panamensis Dall, 1902 accepted as Dolichupis panamensis (Dall, 1902) (original combination)
106. Species Trivia paucicostata Schepman, 1909 accepted as Trivellona paucicostata (Schepman, 1909)
107. Species Trivia paucilirata (G. B. Sowerby II, 1870) accepted as Dolichupis paucilirata (G. B. Sowerby II, 1870) (unaccepted combination)
108. Species Trivia pediculus (Linnaeus, 1758) accepted as Pusula pediculus (Linnaeus, 1758) (unaccepted combination)
109. Species Trivia pellucidula (Gaskoin, 1846) accepted as Trivirostra pellucidula (Reeve, 1846)
110. Species Trivia perobsoleta Sacco, 1894 † accepted as Laevitrivia perobsoleta (Sacco, 1894) †
111. Species Trivia peyreirensis Cossmann & Peyrot, 1923 † accepted as Niveria peyreirensis (Cossmann & Peyrot, 1923) † (original combination)
112. Species Trivia phalacra (F. A. Schilder, 1930) accepted as Triviella phalacra F. A. Schilder, 1930 (unaccepted > superseded combination)
113. Species Trivia pilula (Kiener, 1844) accepted as Cleotrivia pilula (Kiener, 1844) (original combination)
114. Species Trivia pisolina (Lamarck, 1810) † accepted as Laevitrivia pisolina (Lamarck, 1810) †
115. Species Trivia pompholugota Tate, 1890 † accepted as Triviella pompholugota (Tate, 1890) † (superseded combination)
116. Species Trivia procella C. N. Cate, 1979 accepted as Trivia monacha (da Costa, 1778)
117. Species Trivia producta (Gaskoin, 1836) accepted as Dolichupis producta (Gaskoin, 1836)
118. Species Trivia pulex (J. E. Gray, 1824) accepted as Trivia mediterranea (Risso, 1826) (preoccupied name)
119. Species Trivia pullicina Mollerat, 1890 accepted as Trivia mediterranea (Risso, 1826) (synonym)
120. Species Trivia pulloidea Dall & Ochsner, 1928 † accepted as Pseudopusula galapagensis (Melvill, 1900)
121. Species Trivia quadripunctata (Gray, 1827) accepted as Niveria quadripunctata (J. E. Gray, 1827)
122. Species Trivia recluzi Cossmann, 1897 † accepted as Lozouetina recluzi (Cossmann, 1897) † (original combination)
123. Species Trivia ritteri Raymond, 1903 accepted as Dolichupis ritteri (Raymond, 1903) (original combination)
124. Species Trivia rubra H. Shaw, 1909 accepted as Triviella rubra (H. Shaw, 1909) (unaccepted > superseded combination)
125. Species Trivia sanctispiritus Shikama, 1974 accepted as Triviella sanctispiritus (Shikama, 1974) (original combination)
126. Species Trivia scabriuscula Koenen, 1890 † accepted as Cypraeogemmula liliputana (F. A. Schilder, 1922) † (unaccepted > junior homonym, junior secondary homonym of Cypraea scabriuscula Gray, 1827; Cypraea liliputana is a replacement name)
127. Species Trivia sharonae Hayes, 1993 accepted as Triviella sharonae (Hayes, 1993) (original combination)
128. Species Trivia sibogae Schepman, 1909 accepted as Trivellona sibogae (Schepman, 1909)
129. Species Trivia solandri (G. B. Sowerby I, 1832) accepted as Pusula solandri (J. E. Gray, 1832)
130. Species Trivia splendidissima (Tomlin & F. A. Schilder, 1934) accepted as Triviella splendidissima Tomlin & F. A. Schilder, 1934 (unaccepted > superseded combination)
131. Species Trivia spongicola Monterosato, 1923 accepted as Pseudopusula spongicola (Monterosato, 1923) (original combination)
132. Species Trivia suavis Schilder, 1931 (unaccepted)
133. Species Trivia suffusa (Gray, 1827) (unaccepted)
134. Species Trivia testudinella S. V. Wood, 1842 † (unaccepted)
135. Species Trivia tortuga C. N. Cate, 1979 (unaccepted)
136. Species Trivia valerieae Hart, 1996 (unaccepted, superseded combination)
137. Species Trivia vemacola Liltved, 1987 (unaccepted, original combination)
138. Species Trivia verhoefi Gosliner & Liltved, 1982 (unaccepted, original combination)
139. Species Trivia vesicularis (Gaskoin, 1836) (unaccepted)
140. Species Trivia virginiae Liltved, 1986 (unaccepted)
141. Species Trivia vitrosphaera Dolin, 2001 (unaccepted, original combination)
142. Species Trivia zealandica T. W. Kirk, 1882 (unaccepted > superseded combination, superseded combination)
143. Species Trivia buttoni (Melvill, 1900) (uncertain > taxon inquirendum)
144. Species Trivia incerta H. I. Tucker & D. Wilson, 1932 † (uncertain > nomen dubium)

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