| Species | Name Used |
|---|---|
| Terebralia palustris (Linnaeus, 1767) | Terebralia palustris (p. ) |
| Tethya seychellensis (Wright, 1881) | Tethya seychellensis (p. ) |
| Tetraclita squamosa Darwin, | Tetraclita squamosa (p. ) |
| Tetralia glaberrima (Herbst, 1790) | Tetralia glaberrima (p. ) |
| Thalamita rubridens Apel & Spiridonov, 1998 | Thalamita rubridens (p. ) |
| Thelenota ananas (Jaeger, 1833) | Thelenota ananas (p. ) |
| Turbinaria mesenterina (Lamarck, 1816) | Turbinana mesenterina (p. ) |