| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Turritella Lamarck 1799 | 1 | 0 | 0 |
| Turritella cingulifera G. B. Sowerby I 1825 | 0 | 0 | 1 |
| Turritellidae | 1 | 0 | 0 |
| Tylocarcinus Miers 1879 | 2 | 0 | 0 |
| Tylocarcinus meijensis Dai, Cai & Yang 1994 | 0 | 0 | 1 |
| Tylocarcinus styx (Herbst 1803) | 0 | 0 | 1 |
| Typhlopidae Merrem 1820 (Слепи змии) | 1 | 0 | 0 |
| Uca | 3 | 0 | 0 |
| Paraleptuca chlorophthalmus (H. Milne Edwards 1837) | 0 | 0 | 0 |
| Uca latreillei | 0 | 0 | 1 |
| Gelasimus tetragonon (Herbst 1790) | 0 | 0 | 1 |
| Udotea J. V. Lamouroux 1812 | 2 | 0 | 0 |
| Udotea indica | 0 | 0 | 1 |
| Udotea orientalis | 0 | 0 | 1 |
| Udoteaceae | 3 | 0 | 0 |
