fossiles
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Venyukovioidea | Taxon | 6 | 0.0 |
| Ventastega Curonica | Taxon | 13 | 0.5 |
| Vendozoa | Taxon | 9 | 1.6 |
| Vendiamorpha | Taxon | 7 | 0.3 |
| Vendia | Taxon | 8 | 0.5 |
| Vauxia | Taxon | 7 | 11.6 |
| Varanosaurus | Taxon | 19 | 0.3 |
| Varanops | Taxon | 15 | 0.7 |
| Varanopidae | Taxon | 20 | 1.2 |
| Varanodon Agilis | Taxon | 14 | 0.0 |
| Vanastega | Taxon | 3 | 0.0 |
| Valiukia Flabellata | Taxon | 2 | 0.0 |
| Valiukia | Taxon | 2 | 0.0 |
| Utaherpeton | Taxon | 6 | 0.0 |
| Uruyiella | Taxon | 4 | 0.1 |
| Urocordylus | Taxon | 10 | 0.1 |
| Uranocentrodon | Taxon | 8 | 0.5 |
| Uralerpeton | Taxon | 9 | 0.1 |
| Undina | Taxon | 9 | 0.1 |
| Ulemosaurus | Taxon | 14 | 0.2 |
| Tupilakosaurus | Taxon | 6 | 0.1 |
| Tunicata | Taxon | 77 | 27.6 |
| Tungussogyrinus | Taxon | 4 | 0.0 |
| Tullimonstrum Gregarium | Taxon | 8 | 5.2 |
| Tullimonstrum | Taxon | 24 | 0.0 |
| Tulerpeton Curtum | Taxon | 3 | 0.0 |
| Tulerpeton | Taxon | 13 | 0.3 |
| Tuditanidae | Taxon | 6 | 0.2 |
| Tryphosuchus | Taxon | 4 | 0.3 |
| Trypanites | Taxon | 5 | 0.4 |
| Trucidocynodon | Taxon | 11 | 0.4 |
| Tropodus | Taxon | 1 | 0.0 |
| Tropidostoma | Taxon | 7 | 0.0 |
| Trix | Concept | 7 | 3.7 |
| Tritylodontidae | Taxon | 13 | 0.5 |
| Tritheledontidae | Taxon | 13 | 0.8 |
| Tristichopteridae | Taxon | 13 | 0.4 |
| Tripodus | Taxon | 1 | 0.0 |
| Trimerorhachis | Taxon | 4 | 0.1 |
| Trilobozoa | Taxon | 16 | 0.7 |
| Trididemnum | Taxon | 9 | 0.4 |
| Trichasaurus | Taxon | 8 | 0.0 |
| Tribrachidium | Taxon | 18 | 1.1 |
| Triangulodus | Taxon | 1 | 0.1 |
| Treptichnus Pedum | Taxon | 10 | 0.7 |
| Trematosaurus | Taxon | 10 | 0.3 |
| Trematosauroidea | Taxon | 7 | 0.4 |
| Trematosauridae | Taxon | 10 | 0.0 |
| Trematopidae | Taxon | 12 | 0.1 |
| Trematolestes Hagdorni | Taxon | 2 | 0.0 |