crustacés
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Trachyleberididae | Taxon | 11 | 0.0 |
| Trapezia | Taxon | 12 | 0.2 |
| Trapeziidae | Taxon | 13 | 0.0 |
| Trapezioidea | Taxon | 11 | 0.1 |
| Trevathana | Taxon | 4 | 0.1 |
| Trevathana Noae | Taxon | 2 | 0.1 |
| Trichodactylidae | Taxon | 17 | 0.3 |
| Trichoniscidae | Taxon | 12 | 0.0 |
| Trichoniscinae | Taxon | 2 | 0.0 |
| Trichoniscus | Taxon | 7 | 0.0 |
| Trichopagurus | Taxon | 4 | 0.1 |
| Trierarchus | Taxon | 1 | 0.0 |
| Triodonthea | Taxon | 4 | 0.3 |
| Triops | Taxon | 25 | 77.0 |
| Triops Australiensis | Taxon | 9 | 3.7 |
| Triops Cancriformis | Taxon | 25 | 3.7 |
| Triops Longicaudatus | Taxon | 17 | 6.2 |
| Triopsidae | Taxon | 32 | 1.9 |
| Triopsidae | Taxon | 10 | 0.8 |
| Troglocambarus Maclanei | Taxon | 6 | 0.2 |
| Tuerkayana Celeste | Taxon | 5 | 0.6 |
| Tuleariocaris | Taxon | 7 | 0.2 |
| Tulumella | Taxon | 7 | 0.0 |
| Tulumella Bahamensis | Taxon | 6 | 0.0 |
| Tulumella Grandis | Taxon | 6 | 0.0 |
| Tulumella Unidens | Taxon | 7 | 0.0 |
| Tumidocarcinidae | Taxon | 4 | 0.3 |
| Tylestheria | Taxon | 1 | 0.0 |
| Typhlocaris | Taxon | 7 | 0.2 |
| Typhlocaris Ayyaloni | Taxon | 6 | 0.0 |
| Uca | Taxon | 34 | 3.7 |
| Uca Vocans | Taxon | 2 | 0.0 |
| Ucides Cordatus | Taxon | 13 | 3.2 |
| Ucididae | Taxon | 2 | 0.4 |
| Upogebia | Taxon | 12 | 0.3 |
| Upogebia Affinis | Taxon | 6 | 0.0 |
| Upogebia Deltaura | Taxon | 9 | 0.4 |
| Upogebiidae | Taxon | 13 | 0.2 |
| Urocaridella | Taxon | 10 | 0.0 |
| Vargula Hilgendorfii | Taxon | 12 | 0.9 |
| Varunidae | Taxon | 16 | 0.4 |
| Verruca Stroemia | Taxon | 8 | 0.4 |
| Verutipes | Taxon | 2 | 0.1 |
| Vir | Taxon | 9 | 0.0 |
| Visayasia | Taxon | 2 | 0.1 |
| Vultocinus Anfractus | Taxon | 6 | 0.2 |
| Wedanus | Taxon | 2 | 0.1 |
| Xanthias | Taxon | 8 | 0.2 |
| Xanthidae | Taxon | 21 | 2.1 |
| Xantho | Taxon | 14 | 0.6 |