mammifères
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Tragulus Kanchil | Taxon | 37 | 2.8 |
| Tragulus Napu | Taxon | 37 | 1.6 |
| Tragulus Nigricans | Taxon | 26 | 0.0 |
| Tragulus Versicolor | Taxon | 28 | 0.9 |
| Tragulus Williamsoni | Taxon | 22 | 0.2 |
| Trechnotheria | Taxon | 18 | 0.1 |
| Tribosphenida | Taxon | 18 | 0.3 |
| Triceromeryx | Taxon | 5 | 0.0 |
| Trichechus | Taxon | 94 | 248.2 |
| Trichechus Manatus | Taxon | 53 | 16.9 |
| Trichechus Senegalensis | Taxon | 45 | 7.3 |
| Trigenicus | Taxon | 5 | 0.0 |
| Trigonostylops | Taxon | 12 | 0.2 |
| Tristan | Objet | 1 | 0.4 |
| Trogosus | Taxon | 12 | 0.5 |
| Tuffi | Objet | 10 | 1.5 |
| Tunis | Concept | 5 | 5.2 |
| Tupaia | Taxon | 30 | 4.1 |
| Tupaia Glis | Taxon | 35 | 2.1 |
| Tupaia Javanica | Taxon | 30 | 0.6 |
| Tupaia Montana | Taxon | 27 | 1.2 |
| Tupaia Nicobarica | Taxon | 25 | 0.0 |
| Tupaia Picta | Taxon | 24 | 0.6 |
| Tupaia Splendidula | Taxon | 23 | 0.1 |
| Tupaia Tana | Taxon | 28 | 0.6 |
| Tupaiidae | Taxon | 34 | 4.5 |
| Turkana | Concept | 1 | 0.0 |
| Tylopoda | Taxon | 42 | 7.4 |
| Typotheria | Taxon | 12 | 0.2 |
| Uintatherium | Taxon | 31 | 0.2 |
| Ulises | Objet | 5 | 1.5 |
| Unau D'hoffmann | Taxon | 38 | 6.0 |
| Ungulata | Taxon | 65 | 55.7 |
| Urogale Everetti | Taxon | 26 | 0.4 |
| Uropsilus | Taxon | 29 | 2.1 |
| Uropsilus Andersoni | Taxon | 22 | 0.3 |
| Uropsilus Gracilis | Taxon | 21 | 0.2 |
| Uropsilus Investigator | Taxon | 23 | 0.3 |
| Uropsilus Soricipes | Taxon | 23 | 0.4 |
| Urotrichini | Taxon | 11 | 0.1 |
| Urotrichus | Taxon | 10 | 0.3 |
| Urtinotherium | Taxon | 10 | 0.0 |
| Valentin | Objet | 2 | 3.1 |
| Vembur | Concept | 2 | 0.3 |
| Ventadour | Objet | 1 | 0.8 |
| Venus | Objet | 3 | 0.7 |
| Vilevolodon | Taxon | 6 | 0.0 |
| Vince | Objet | 3 | 0.1 |
| Virat | Objet | 1 | 1.3 |
| Viscache | Concept | 17 | 18.2 |