| [24306] Symbolophorus | Appellations de Taxon | 24306 |
| [24307] Talorchestia | Appellations de Taxon | 24307 |
| [24308] Tanaidae | Appellations de Taxon | 24308 |
| [24309] Tegulinae | Appellations de Taxon | 24309 |
| [2431] Bidessus minutissimus | Appellations de Taxon | 2431 |
| [24310] Tellimya ferruginosa | Appellations de Taxon | 24310 |
| [24312] Tellina (Moerella) pygmaea | Appellations de Taxon | 24312 |
| [24313] Terebellides | Appellations de Taxon | 24313 |
| [24314] Thalassionemataceae | Appellations de Taxon | 24314 |
| [24315] Tharyx | Appellations de Taxon | 24315 |
| [24316] Thraciidae | Appellations de Taxon | 24316 |
| [24317] Thyasira flexuosa | Appellations de Taxon | 24317 |
| [24318] Travisia | Appellations de Taxon | 24318 |
| [24319] Tricolia pullus | Appellations de Taxon | 24319 |
| [2432] Bidessus pusillus | Appellations de Taxon | 2432 |
| [24320] Tridacna | Appellations de Taxon | 24320 |
| [24321] Tryphosinae | Appellations de Taxon | 24321 |
| [24322] Tryphosites | Appellations de Taxon | 24322 |
| [24323] Tubificoides benedii | Appellations de Taxon | 24323 |
| [24324] Tubulanidae | Appellations de Taxon | 24324 |
| [24325] Umbraulva olivascens | Appellations de Taxon | 24325 |
| [24326] Urothoe brevicornis | Appellations de Taxon | 24326 |
| [24327] Urothoe elegans | Appellations de Taxon | 24327 |
| [24328] Urothoe grimaldii | Appellations de Taxon | 24328 |
| [24329] Urothoe marina | Appellations de Taxon | 24329 |
| [2433] Bidessus saucius | Appellations de Taxon | 2433 |
| [24330] Urothoe poseidonis | Appellations de Taxon | 24330 |
| [24331] Urothoe pulchella | Appellations de Taxon | 24331 |
| [24332] Valonia | Appellations de Taxon | 24332 |
| [24333] Vaunthompsonia | Appellations de Taxon | 24333 |
| [24335] Closterium incurvum | Appellations de Taxon | 24335 |
| [24336] Closterium lanceolatum | Appellations de Taxon | 24336 |
| [24337] Cosmarium bioculatum var. depressum | Appellations de Taxon | 24337 |
| [24338] Cosmarium pseudowembaerense | Appellations de Taxon | 24338 |
| [24339] Cosmarium variolatum var. cataractarum | Appellations de Taxon | 24339 |
| [2434] Bidessus bigoti | Appellations de Taxon | 2434 |
| [24340] Haplotaenium minutum | Appellations de Taxon | 24340 |
| [24341] Haplotaenium | Appellations de Taxon | 24341 |
| [24342] Heimansia pusilla | Appellations de Taxon | 24342 |
| [24343] Heimansia | Appellations de Taxon | 24343 |
| [24344] Staurastrum armigerum | Appellations de Taxon | 24344 |
| [24345] Staurastrum manfeldtii var. splendidum | Appellations de Taxon | 24345 |
| [24346] Synochromonas | Appellations de Taxon | 24346 |
| [24349] Trachelomonas armata var. heterospina | Appellations de Taxon | 24349 |
| [2435] Bidessus saucius bigoti | Appellations de Taxon | 2435 |
| [24350] Trachelomonas bacillifera var. minima | Appellations de Taxon | 24350 |
| [24351] Trachelomonas charkoviensis | Appellations de Taxon | 24351 |
| [24352] Trachelomonas felix | Appellations de Taxon | 24352 |
| [24353] Trachelomonas hispida f. minima | Appellations de Taxon | 24353 |
| [24354] Trachelomonas robusta | Appellations de Taxon | 24354 |