1. Species Cerithium (Thericium) alveolus Hombron & Jacquinot, 1848 accepted as Cerithium punctatum Bruguière, 1792 (chresonym)
2. Species Cerithium (Thericium) atromarginatum Dautzenberg & Bouge, 1933 accepted as Cerithium atromarginatum Dautzenberg & Bouge, 1933 (superseded combination)
3. Species Cerithium (Thericium) coralium Kiener, 1841 accepted as Cerithium coralium Kiener, 1841 (chresonym)
4. Species Cerithium (Thericium) dertonense Mayer, 1868 † accepted as Cerithium dertonense Mayer, 1868 † (unaccepted > superseded combination)
5. Species Cerithium (Thericium) egenum A. Gould, 1849 accepted as Cerithium egenum A. Gould, 1849 (chresonym)
6. Species Cerithium (Thericium) europaeum Mayer, 1878 † accepted as Cerithium europaeum Mayer, 1878 † (unaccepted > superseded combination)
7. Species Cerithium (Thericium) leptocharactum Rehder, 1980 accepted as Cerithium leptocharactum Rehder, 1980 (unaccepted > superseded combination)
8. Species Cerithium (Thericium) maeoticum Badzoshvili, 1967 † accepted as Lampanella maeotica (Karlov, 1932) †
9. Species Cerithium (Thericium) menkei P. P. Carpenter, 1857 accepted as Cerithium menkei P. P. Carpenter, 1857
10. Species Cerithium (Thericium) mysterium Hedley, 1917 accepted as Cerithium tenellum G. B. Sowerby II, 1855 (chresonym)
11. Species Cerithium (Thericium) nicaraguense Pilsbry & H. N. Lowe, 1932 accepted as Cerithium nicaraguense Pilsbry & H. N. Lowe, 1932 (unaccepted > superseded combination)
12. Species Cerithium (Thericium) preatratum Olsson & Harbison, 1953 † accepted as Cerithium atratum (Born, 1778) (unaccepted > junior subjective synonym, original combination)
13. Species Cerithium (Thericium) scabridum R. A. Philippi, 1848 accepted as Cerithium scabridum R. A. Philippi, 1848 (subgenus is a junior synonym)
14. Species Cerithium (Thericium) schmidti Ladd, 1972 † accepted as Cerithium balteatum R. A. Philippi, 1848
15. Species Cerithium (Thericium) vicinia Olsson & Harbison, 1953 † accepted as Cerithium atratum (Born, 1778) (unaccepted > junior subjective synonym)
16. Species Cerithium (Thericium) vulgatum Bruguière, 1792 accepted as Cerithium vulgatum Bruguière, 1792 (unaccepted subgenus)
17. Species Cerithium (Thericium) yerburyi E. A. Smith, 1891 accepted as Cerithium scabridum R. A. Philippi, 1848
18. Species Cerithium (Thericium) mutatum G. B. Sowerby I, 1834 represented as Cerithium mutatum G. B. Sowerby I, 1834 accepted as Cerithium echinatum Lamarck, 1822 (chresonym)
19. Species Cerithium (Thericium) guirianum Macsotay, 1968 † (uncertain > unassessed)

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