insectes
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Uzelia | Taxon | 5 | 0.1 |
| Utaurora | Taxon | 11 | 0.0 |
| Ussurilumpia | Taxon | 3 | 0.0 |
| Ussuriaphorura Pluripseudocellata | Taxon | 2 | 0.0 |
| Urotriainus | Taxon | 4 | 0.0 |
| Urodontus Rotundicollis | Taxon | 1 | 0.0 |
| Urewera | Taxon | 1 | 0.2 |
| Uralaphorura | Taxon | 3 | 0.0 |
| Uniramia | Taxon | 13 | 0.3 |
| Uncicauda | Taxon | 6 | 0.0 |
| Ululodini | Taxon | 4 | 0.0 |
| Uenoidae | Taxon | 11 | 0.4 |
| Uchidanurinae | Taxon | 6 | 0.0 |
| Uchidanura | Taxon | 2 | 0.0 |
| Ténébrion Meunier | Taxon | 48 | 122.0 |
| Tytthaspis | Taxon | 7 | 0.9 |
| Tyrannoseira | Taxon | 2 | 0.0 |
| Typhlogastrura | Taxon | 7 | 0.2 |
| Typhaeus | Taxon | 8 | 0.7 |
| Tylosis | Taxon | 12 | 0.7 |
| Tychogenius | Taxon | 4 | 0.0 |
| Tuzoia | Taxon | 8 | 0.8 |
| Tuvia | Taxon | 5 | 0.0 |
| Tupiperla | Taxon | 6 | 0.0 |
| Tupacsala | Taxon | 2 | 0.2 |
| Tunga Penetrans | Taxon | 31 | 42.1 |
| Tullbergiinae | Taxon | 3 | 0.0 |
| Tullbergiidae | Taxon | 11 | 0.7 |
| Tullbergiella | Taxon | 1 | 0.0 |
| Tullbergia Mediantarctica | Taxon | 4 | 0.1 |
| Tullbergia | Taxon | 8 | 0.1 |
| Trypocopris | Taxon | 11 | 0.2 |
| Trox Morticinii | Taxon | 7 | 0.3 |
| Trox Horridus | Taxon | 8 | 0.4 |
| Trox | Taxon | 14 | 0.4 |
| Tropidoderinae | Taxon | 6 | 0.4 |
| Trogossitidae | Taxon | 24 | 0.0 |
| Trogolaphysa | Taxon | 3 | 0.0 |
| Trogoderma Granarium | Taxon | 25 | 3.7 |
| Troglospinotheca Refsgaardiorum | Taxon | 2 | 0.0 |
| Troglopedetes | Taxon | 3 | 0.0 |
| Troglopalites Stygios | Taxon | 1 | 0.0 |
| Troglobius | Taxon | 2 | 0.0 |
| Troglaphorura Gladiator | Taxon | 1 | 0.0 |
| Trogiomorpha | Taxon | 8 | 0.2 |
| Trogidae | Taxon | 24 | 1.4 |
| Troctomorpha | Taxon | 8 | 0.0 |
| Tritosminthurus Schuhi | Taxon | 1 | 0.0 |
| Tritomurus | Taxon | 2 | 0.0 |
| Trirhabda Virgata | Taxon | 9 | 0.3 |