mammifères
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Tayassuidae | Taxon | 64 | 20.1 |
| Teeswater | Concept | 6 | 0.3 |
| Teinolophos Trusleri | Taxon | 7 | 0.1 |
| Teleoceras | Taxon | 22 | 1.8 |
| Telmatherium | Taxon | 5 | 0.1 |
| Temnocyoninae | Taxon | 6 | 0.0 |
| Tennessee | Concept | 1 | 2.5 |
| Tenrec Ecaudatus | Taxon | 39 | 43.1 |
| Tenrecidae | Taxon | 53 | 11.0 |
| Tenrecinae | Taxon | 16 | 1.7 |
| Terre-neuve | Objet | 51 | 170.1 |
| Tetheopsis | Taxon | 6 | 0.0 |
| Tethytheria | Taxon | 21 | 6.6 |
| Tetonius | Taxon | 6 | 0.8 |
| Tetracus | Taxon | 5 | 0.0 |
| Tetrameryx | Taxon | 7 | 0.3 |
| Tetrameryx Shuleri | Taxon | 1 | 0.0 |
| Texel | Concept | 17 | 21.9 |
| Thalassocnus | Taxon | 19 | 1.1 |
| Theriiformes | Taxon | 17 | 0.3 |
| Thraki | Concept | 1 | 0.0 |
| Thylacosmilidae | Taxon | 15 | 1.2 |
| Thylacosmilus | Taxon | 31 | 11.0 |
| Thériens | Taxon | 67 | 50.8 |
| Thônes et Marthod | Concept | 3 | 13.3 |
| Tian Tian | Objet | 5 | 0.1 |
| Tian Tian | Objet | 4 | 0.1 |
| Ticholeptus | Taxon | 3 | 0.0 |
| Tigre | Objet | 1 | 0.6 |
| Tigre de Champawat | Objet | 25 | 5.4 |
| Tilikum | Objet | 23 | 152.0 |
| Titanoideidae | Taxon | 2 | 0.0 |
| Titanoides | Taxon | 14 | 0.0 |
| Titus | Objet | 5 | 11.1 |
| Togo | Objet | 19 | 51.1 |
| Tohui | Objet | 4 | 0.1 |
| Tolypeutes | Taxon | 29 | 2.9 |
| Tolypeutes Matacus | Taxon | 36 | 1.3 |
| Tolypeutes Tricinctus | Taxon | 37 | 3.0 |
| Tolypeutinae | Taxon | 17 | 1.0 |
| Tongdaeng | Objet | 10 | 0.9 |
| Toromeryx | Taxon | 5 | 0.0 |
| Torrestrella | Concept | 2 | 0.8 |
| Touabire | Concept | 1 | 7.8 |
| Toupaye D'elliot | Taxon | 35 | 1.0 |
| Toupaye de Bélanger | Taxon | 32 | 1.4 |
| Toxodon | Taxon | 25 | 5.3 |
| Tragulidae | Taxon | 63 | 11.4 |
| Tragulus | Taxon | 37 | 1.7 |
| Tragulus Javanicus | Taxon | 42 | 7.6 |