| [23939] Streblosoma bairdi | Appellations de Taxon | 23939 |
| [2394] Laccophilinae | Appellations de Taxon | 2394 |
| [23940] Streblospio shrubsolii | Appellations de Taxon | 23940 |
| [23941] Striariaceae | Appellations de Taxon | 23941 |
| [23942] Stypocaulaceae | Appellations de Taxon | 23942 |
| [23943] Subadyte pellucida | Appellations de Taxon | 23943 |
| [23944] Synaptidae | Appellations de Taxon | 23944 |
| [23945] Synchelidium maculatum | Appellations de Taxon | 23945 |
| [23946] Talitrus saltator | Appellations de Taxon | 23946 |
| [23947] Tanaoidea | Appellations de Taxon | 23947 |
| [23948] Tellimya | Appellations de Taxon | 23948 |
| [23949] Tellina fabula | Appellations de Taxon | 23949 |
| [2395] Colymbetinae | Appellations de Taxon | 2395 |
| [23950] Tellina incarnata | Appellations de Taxon | 23950 |
| [23951] Tellina (Moerella) | Appellations de Taxon | 23951 |
| [23952] Tellina pulchella | Appellations de Taxon | 23952 |
| [23953] Tellina tenuis | Appellations de Taxon | 23953 |
| [23954] Thalassionematales | Appellations de Taxon | 23954 |
| [23955] Thecadinium | Appellations de Taxon | 23955 |
| [23956] Thelepus cincinnatus | Appellations de Taxon | 23956 |
| [23957] Thelepus setosus | Appellations de Taxon | 23957 |
| [23958] Thracioidea | Appellations de Taxon | 23958 |
| [23959] Thyasira | Appellations de Taxon | 23959 |
| [2396] Dytiscinae | Appellations de Taxon | 2396 |
| [23960] Timoclea ovata | Appellations de Taxon | 23960 |
| [23961] Trichobranchidae | Appellations de Taxon | 23961 |
| [23962] Tricolia | Appellations de Taxon | 23962 |
| [23963] Tridacninae | Appellations de Taxon | 23963 |
| [23964] Tritaeta gibbosa | Appellations de Taxon | 23964 |
| [23965] Trypanosyllis coeliaca | Appellations de Taxon | 23965 |
| [23966] Tubificoides | Appellations de Taxon | 23966 |
| [23967] Tubulariida | Appellations de Taxon | 23967 |
| [23968] Turbinidae | Appellations de Taxon | 23968 |
| [2397] Gyrinus aeratus | Appellations de Taxon | 2397 |
| [23970] Ulva lactuca | Appellations de Taxon | 23970 |
| [23971] Umbraulva | Appellations de Taxon | 23971 |
| [23972] Urothoe | Appellations de Taxon | 23972 |
| [23973] Valoniaceae | Appellations de Taxon | 23973 |
| [23974] Vaunthompsoniinae | Appellations de Taxon | 23974 |
| [23975] Venerupis aurea | Appellations de Taxon | 23975 |
| [23976] Venerupis senegalensis | Appellations de Taxon | 23976 |
| [23977] Vermiliopsis striaticeps | Appellations de Taxon | 23977 |
| [23978] Websterinereis glauca | Appellations de Taxon | 23978 |
| [2398] Gyrinus colymbus | Appellations de Taxon | 2398 |
| [23980] Abludomelita | Appellations de Taxon | 23980 |
| [23981] Acteon | Appellations de Taxon | 23981 |
| [23982] Actiniidae | Appellations de Taxon | 23982 |
| [23983] Akera | Appellations de Taxon | 23983 |
| [23984] Alkmaria romijni | Appellations de Taxon | 23984 |
| [23985] Amaeana trilobata | Appellations de Taxon | 23985 |