Triviidae is a taxonomic family of small sea snails, marine gastropod molluscs in the clade Littorinimorpha.
The following subfamilies were recognized in the taxonomy of Bouchet & Rocroi in 2005:
Eratoinae Gill, 1871
tribe Eratoini Gill, 1871
† tribe Johnstrupiini Schilder, 1939
† tribe Eratotriviini Schilder, 1936
Triviinae Troschel, 1863
Genera within the family Triviidae include:
Subfamily Eratoinae
Alaerato Cate, 1977
Cypraeerato Schilder, 1933
Erato Risso, 1826
Eratoena Iredale, 1935
Hespererato Schilder, 1932
Lachryma Gray, 1832
Notoficula Thiele, 1917
Proterato Schilder, 1927
Sulcerato Finlay, 1930
Subfamily Triviinae
Cleotrivia Iredale, 1930
Dolichupis Iredale, 1930
Ellatrivia Schilder, 1939
Niveria Jousseaume, 1884
Pseudopusula Fehse & Grego, 2014
Purpurcapsula Fehse & Grego, 2009
Pusula Jousseaume, 1884
Semitrivia Cossmann, 1903
Trivellona Iredale, 1931
Trivia Broderip, 1837
Triviella Jousseaume, 1884
Trivirostra Jousseaume 1884
Genera brought into synonymy
Austrotrivia Fehse, 2002: synonym of Ellatrivia Cotton & Godfrey, 1932
Circumscapula Cate, 1979: synonym of Niveria Jousseaume, 1884
Decoriatrivia Cate, 1979: synonym of Dolichupis Iredale, 1930
Discotrivia Cate, 1979: synonym of Pseudopusula Fehse & Grego, 2014
Fossatrivia Schilder, 1939: synonym of Ellatrivia Cotton & Godfrey, 1932
Galeatrivia Cate, 1979: synonym of Triviella Jousseaume, 1884
Nototrivia Schilder, 1939 †: synonym of Trivellona Iredale, 1931
Pseudotrivia Schilder, 1936: synonym of Trivellona Iredale, 1931
Tribe Pusulini Schilder, 1936: synonym of Triviinae Troschel, 1863
Robertotrivia Cate, 1979: synonym of Trivellona Iredale, 1931
Sulcotrivia Schilder, 1933 †: synonym of Niveria Jousseaume, 1884
Tribe Triviellini Schilder, 1939: synonym of Triviinae Troschel, 1863