| Species | Name Used |
|---|---|
| Tozeuma armatum Paul'son, 1875 | Tozeuma armatum (p. 144 ) |
| Trapezia rufopunctata (Herbst, 1799) | Trapezia rufopunctata (p. 159 ) |
| Tubipora musica Linnaeus, 1758 | Tubipora musica (p. 108 ) |
| Tuleariocaris holthuisi Hipeau-Jacquotte, 1965 | Tuleariocaris holthuisi (p. 147 ) |
| Turbo petholatus Linnaeus, 1758 | Turbo petholatus (p. 168 ) |
| Tweedieia odhneri (Gordon, 1934) | Tweedieia odhneri (p. 162 ) |
| Urocaridella antonbrunii (Bruce, 1967) | Urocaridella antonbrunii (p. 146 ) |
| Valonia ventricosa Agardh, 1887 | Valonia ventricosa (p. 21 ) |
| Varuna litterata (Fabricius, 1798) | Varuna litterata (p. 153 ) |
| Xanthasia murigera White, 1846 | Xanthasia murigera (p. 158 ) |
| Xenocarcinus conicus (Milne-Edwards, 1865) | Xenocarcinus conicus (p. 155 ) |
| Zebrida adamsii White, 1847 | Zebrida adamsii (p. 154 ) |
| Zosimus aeneus (Linnaeus, 1758) | Zosimus aeneus (p. 162 ) |