1. Genus Eulithidium Pilsbry, 1898
2. Subfamily Gabrieloninae Hickman & J. H. McLean, 1990
   1. Genus Gabrielona Iredale, 1917
3. Genus Hiloa Pilsbry, 1917
4. Subfamily Phasianellinae Swainson, 1840
   1. Genus Mimelenchus Iredale, 1924
   2. Genus Phasianella Lamarck, 1804
5. Subfamily Tricoliinae Woodring, 1928
   1. Genus Tricolia Risso, 1826
6. Genus Chromotis H. Adams & A. Adams, 1863 accepted as Tricolia Risso, 1826 (junior synonym)
7. Genus Eotricolia Kuroda & T. Habe, 1954 accepted as Hiloa Pilsbry, 1917 (unaccepted > junior subjective synonym)
8. Genus Epheriella Pallary, 1920 accepted as Tricolia Risso, 1826
9. Genus Eucosmia P. P. Carpenter, 1864 accepted as Eulithidium Pilsbry, 1898 (invalid: junior homonym of Eucosmia Stephens, 1829 [Lepidoptera]; Eulithidium is a replacement name)
10. Genus Eudora Leach, 1852 accepted as Tricolia Risso, 1826 (invalid: junior homonym of Eudora Péron & Lesueur, 1810 [Cnidaria]; Steganomphalus Harris & Burrows, 1891 is a replacement name)
11. Genus Eutropia J. E. Gray, 1847 accepted as Phasianella Lamarck, 1804 (unaccepted > junior subjective synonym)
12. Genus Phasianus Montfort, 1810 accepted as Phasianella Lamarck, 1804 (invalid: unnecessary substitute name or unjustified emmendation of Phasianella and junior homonym of Phasianus Linnaeus, 1758)
13. Genus Tricoliella Monterosato, 1884 accepted as Tricolia Risso, 1826
14. Genus Usatricolia Habe, 1956 accepted as Eulithidium Pilsbry, 1898 (unaccepted > junior subjective synonym)

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