| Nominal Species (n = 20) | Present allocation (n = 16) | Ref. |
|---|---|---|
| Taheitia alata Quadras & Möllendorf, 1894 | Taheitia alata | 3116 |
| Truncatella bairdiana Adams, 1852 | Truncatella pulchella | 75097 |
| Truncatella barbadensis Pfeiffer, 1856 | Truncatella barbadensis | 19 |
| Truncatella californica Pfeiffer, 1857 | Truncatella californica | 19 |
| Truncatella capillacea Pfeiffer, 1859 | Truncatella pulchella | 75097 |
| Truncatella caribaeensis Reeve, 1842 | Truncatella caribaeensis | 19 |
| Truncatella clathrus Lowe, 1932 | Truncatella clathrus | 19 |
| Truncatella floridana Hubricht, 1983 | Truncatella floridana | 19 |
| Truncatella guerinii Villa & Villa, 1841 | Truncatella guerinii | 3116 |
| Truncatella marginata Küster, 1855 | Truncatella marginata | 3477 |
| Taheitia mariannarum Quadras & Möllendorf, 1894 | Taheitia mariannarum | 3116 |
| Taheitia parvula Quadras & Möllendorf, 1984 | Taheitia parvula | 3116 |
| Truncatella pfeifferi von Martens, 1860 | Truncatella pfeifferi | 86518 |
| Truncatella pulchella Pfeiffer, 1839 | Truncatella pulchella | 19 |
| Truncatella rostrata Gould, 1847 | Truncatella rostrata | 83435 |
| Truncatella scalariformis Reeve, 1842 | Taheitia scalariformis | 3477 |
| Truncatella stimpsonii Stearns, 1872 | Truncatella stimpsonii | 19 |
| Helix subcylindrica Linnaeus, 1767 | Truncatella subcylindrica | 83435 |
| Truncatella subcylindrica Linnaeus, 1758 | Truncatella subcylindrica | 19 |
| Truncatella succinea Adams, 1845 | Truncatella caribaeensis | 75097 |