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Classe Gastropoda Cuvier, 1795
Sottoclasse Caenogastropoda Cox, 1960
Ordine Littorinimorpha Golikov & Starobogatov, 1975
Superfamiglia VelutinoideaGray, 1840
Famiglia Triviidae Troschel, 1863
Genere Pseudopusula Fehse & Grego, 2014
Pseudopusula spongicola (Monterosato, 1923) - 3
Genere Trivia Gray, 1837
Trivia arctica (Pulteney, 1799) - 4 - not present in Mediterranean sea
Trivia candidula (Gaskoin, 1836)
Trivia corsica Fehse, Grego, Manousis & Dieste, 2024 - 4
Trivia hispania C. N. Cate, 1979 - 4
Trivia levantina Smriglio, Mariottini, Buzzurro, 1997
Trivia mediterranea (Risso, 1826)
Trivia mollerati Locard, 1894 - 4
Trivia monacha (Da Costa, 1778)
Trivia multilirata (Sowerby GB II, 1870)
Trivia spongicola (Monterosato, 1923) vedi Pseudopusula spongicola
Trivia virginea Fehse & Grego, 2021 - 2
Genere Trivirostra Jousseaume, 1884
Trivirostra bitou Pallary, 1912 - 2
Trivirostra triticum Schilder, 1932 - 1
| 1 | Mienis, H.K. (2008). New or little known marine molluscs of Red Sea or Indo- Pacific origin from the Mediterranean coast of Israel. Triton. 17: 5-6 |
| 2 | Fehse D. & Grego J. (2021). Contributions to the knowledge of the Triviidae, XLI. Cypraea bitou - the answer to the mystery. Conchylia. 51(3-4): 91-105. |
| 3 | Fehse D. & Grego J. (2020). Contributions to the knowledge of the Triviidae, XXXIX. Revision of the taxa assigned to the genus Pseudopusula Fehse & Grego, 2014, Part 2. Acta Conchyliorum. 19: 85-113. |
| 4 | Fehse, D.; Grego, J.; Manousis, T.; Dieste, J. P. (2024). Does Trivia arctica occur in the Mediterranean Sea?. Acta Conchyliorum. 22: 3-47. |
