| [20476] Sicydium | Appellations de Taxon | 20476 |
| [20477] Ctenogobius | Appellations de Taxon | 20477 |
| [20478] Pomacea | Appellations de Taxon | 20478 |
| [20479] Micratya poeyi | Appellations de Taxon | 20479 |
| [2048] Ambloplites rupestris | Appellations de Taxon | 2048 |
| [20480] Jonga serrei | Appellations de Taxon | 20480 |
| [20481] Potimirim potimirim | Appellations de Taxon | 20481 |
| [20482] Xiphocaris | Appellations de Taxon | 20482 |
| [20483] Guinotia | Appellations de Taxon | 20483 |
| [20484] Xiphocentron | Appellations de Taxon | 20484 |
| [20485] Americabaetis spinosus | Appellations de Taxon | 20485 |
| [20486] Cloeodes caraibensis | Appellations de Taxon | 20486 |
| [20487] Fallceon ater | Appellations de Taxon | 20487 |
| [20488] Leptohyphes | Appellations de Taxon | 20488 |
| [20489] Hagenulopsis guadeloupensis | Appellations de Taxon | 20489 |
| [2049] Lepomis | Appellations de Taxon | 2049 |
| [20490] Atrigopogon | Appellations de Taxon | 20490 |
| [20491] Argia concinna | Appellations de Taxon | 20491 |
| [20492] Brechmorhoga praecox | Appellations de Taxon | 20492 |
| [20493] Dythemis sterilis | Appellations de Taxon | 20493 |
| [20494] Danio rerio | Appellations de Taxon | 20494 |
| [20495] Centropomus | Appellations de Taxon | 20495 |
| [20496] Centropomus ensiferus | Appellations de Taxon | 20496 |
| [20497] Gobiesox nudus | Appellations de Taxon | 20497 |
| [20498] Dormitator maculatus | Appellations de Taxon | 20498 |
| [20499] Guavina guavina | Appellations de Taxon | 20499 |
| [205] Tricholeiochiton fagesi | Appellations de Taxon | 205 |
| [2050] Lepomis gibbosus | Appellations de Taxon | 2050 |
| [20500] Ctenogobius pseudofasciatus | Appellations de Taxon | 20500 |
| [20501] Trachelomonas bacillifera | Appellations de Taxon | 20501 |
| [20502] Trachelomonas circulifera | Appellations de Taxon | 20502 |
| [20503] Cylindrospermopsis | Appellations de Taxon | 20503 |
| [20504] Chodatella | Appellations de Taxon | 20504 |
| [20505] Gonium formosum | Appellations de Taxon | 20505 |
| [20506] Scenedesmus opoliensis var bicaudatus | Appellations de Taxon | 20506 |
| [20507] Scenedesmus producto capitalus | Appellations de Taxon | 20507 |
| [20508] Scenedesmus quadricaudus | Appellations de Taxon | 20508 |
| [20509] Scenedesmus regularis | Appellations de Taxon | 20509 |
| [2051] Micropterus | Appellations de Taxon | 2051 |
| [20510] Tetranephris | Appellations de Taxon | 20510 |
| [20511] Sorastrum | Appellations de Taxon | 20511 |
| [20512] Staurodesmus lobatus | Appellations de Taxon | 20512 |
| [20513] Pseudokephyrion ovum | Appellations de Taxon | 20513 |
| [20514] Goniochloris minuta | Appellations de Taxon | 20514 |
| [20516] Tricorythodes | Appellations de Taxon | 20516 |
| [20517] Pristina aequiseta fo foreli | Appellations de Taxon | 20517 |
| [20518] Nematocera | Appellations de Taxon | 20518 |
| [20519] Pomacea glauca | Appellations de Taxon | 20519 |
| [20520] Xiphocaris elongata | Appellations de Taxon | 20520 |
| [20521] Guinotia dentata | Appellations de Taxon | 20521 |