| [22508] Ostreoidea | Appellations de Taxon | 22508 |
| [2251] Enterobacteriaciae | Appellations de Taxon | 2251 |
| [22510] Ostreola equestris | Appellations de Taxon | 22510 |
| [22511] Oxyagrion | Appellations de Taxon | 22511 |
| [22512] Oxyagrion egleri | Appellations de Taxon | 22512 |
| [22513] Oxystigma | Appellations de Taxon | 22513 |
| [22514] Oxystigma cyanofrons | Appellations de Taxon | 22514 |
| [22515] Oxystigma williamsoni | Appellations de Taxon | 22515 |
| [22516] Palaemnema | Appellations de Taxon | 22516 |
| [22517] Palaemnema brevignoni | Appellations de Taxon | 22517 |
| [22518] Palaemnematinae | Appellations de Taxon | 22518 |
| [22519] Palpopleurinae | Appellations de Taxon | 22519 |
| [2252] Escherichia coli | Appellations de Taxon | 2252 |
| [22520] Pandoroidea | Appellations de Taxon | 22520 |
| [22521] Papyridea | Appellations de Taxon | 22521 |
| [22522] Papyridea soleniformis | Appellations de Taxon | 22522 |
| [22523] Paracordulia | Appellations de Taxon | 22523 |
| [22524] Paracordulia sericea | Appellations de Taxon | 22524 |
| [22525] Paramaka | Appellations de Taxon | 22525 |
| [22526] Paramaka convexa | Appellations de Taxon | 22526 |
| [22527] Paratrephes | Appellations de Taxon | 22527 |
| [22528] Paratrephes hintoni | Appellations de Taxon | 22528 |
| [22529] Parvanachis | Appellations de Taxon | 22529 |
| [2253] Salmonella enterica | Appellations de Taxon | 2253 |
| [22530] Parvanachis obesa | Appellations de Taxon | 22530 |
| [22531] Parvilucina | Appellations de Taxon | 22531 |
| [22532] Parvilucina clenchi | Appellations de Taxon | 22532 |
| [22533] Patellogastropoda | Appellations de Taxon | 22533 |
| [22534] Paziella | Appellations de Taxon | 22534 |
| [22535] Paziella pazii | Appellations de Taxon | 22535 |
| [22536] Pectinoidea | Appellations de Taxon | 22536 |
| [22537] Pelocoris impicticollis | Appellations de Taxon | 22537 |
| [22538] Perilestes | Appellations de Taxon | 22538 |
| [22539] Perilestes attenuatus | Appellations de Taxon | 22539 |
| [2254] Enterococcus | Appellations de Taxon | 2254 |
| [22540] Perilestidae | Appellations de Taxon | 22540 |
| [22541] Perissolestes | Appellations de Taxon | 22541 |
| [22542] Perissolestes guianensis | Appellations de Taxon | 22542 |
| [22543] Perithemis | Appellations de Taxon | 22543 |
| [22544] Perithemis cornelia | Appellations de Taxon | 22544 |
| [22545] Perithemis electra | Appellations de Taxon | 22545 |
| [22546] Perithemis lais | Appellations de Taxon | 22546 |
| [22547] Perithemis mooma | Appellations de Taxon | 22547 |
| [22548] Perithemis thais | Appellations de Taxon | 22548 |
| [22549] Perotrochus | Appellations de Taxon | 22549 |
| [2255] Streptococcus | Appellations de Taxon | 2255 |
| [22550] Perotrochus atlanticus | Appellations de Taxon | 22550 |
| [22551] Perotrochus tosatoi | Appellations de Taxon | 22551 |
| [22552] Persicula | Appellations de Taxon | 22552 |
| [22553] Persicula moscatellii | Appellations de Taxon | 22553 |