| [23889] Phyllodociformia | Appellations de Taxon | 23889 |
| [2389] Rhithrogena insularis | Appellations de Taxon | 2389 |
| [23890] Phylo foetida | Appellations de Taxon | 23890 |
| [23891] Phylo grubei | Appellations de Taxon | 23891 |
| [23892] Pinnulariaceae | Appellations de Taxon | 23892 |
| [23893] Pisces | Appellations de Taxon | 23893 |
| [23894] Pista cristata | Appellations de Taxon | 23894 |
| [23896] Platynereis | Appellations de Taxon | 23896 |
| [23897] Plocamiales | Appellations de Taxon | 23897 |
| [23898] Podonidae | Appellations de Taxon | 23898 |
| [23899] Poecilostomatoida | Appellations de Taxon | 23899 |
| [239] Psychomyia | Appellations de Taxon | 239 |
| [2390] Ecdyonurus corsicus | Appellations de Taxon | 2390 |
| [23901] Polyphysaceae | Appellations de Taxon | 23901 |
| [23902] Polyplacophora | Appellations de Taxon | 23902 |
| [23905] Pontocrates altamarinus | Appellations de Taxon | 23905 |
| [23906] Pontocrates arenarius | Appellations de Taxon | 23906 |
| [23907] Processa edulis crassipes | Appellations de Taxon | 23907 |
| [23908] Pseudocuma | Appellations de Taxon | 23908 |
| [23909] Pseudomalacoceros tridentata | Appellations de Taxon | 23909 |
| [2391] Torleya | Appellations de Taxon | 2391 |
| [23910] Pseudomystides limbata | Appellations de Taxon | 23910 |
| [23911] Pseudopolydora antennata | Appellations de Taxon | 23911 |
| [23912] Pseudopolydora paucibranchiata | Appellations de Taxon | 23912 |
| [23913] Pseudopythina | Appellations de Taxon | 23913 |
| [23914] Pterocirrus limbata | Appellations de Taxon | 23914 |
| [23915] Pyrocystales | Appellations de Taxon | 23915 |
| [23916] Ralfsiales | Appellations de Taxon | 23916 |
| [23917] Retusa | Appellations de Taxon | 23917 |
| [23918] Rhabdonematales | Appellations de Taxon | 23918 |
| [23919] Rhodymeniales | Appellations de Taxon | 23919 |
| [23920] Rhodymeniophycidae | Appellations de Taxon | 23920 |
| [23921] Sabella pavonina | Appellations de Taxon | 23921 |
| [23922] Saccocirridae | Appellations de Taxon | 23922 |
| [23923] Sagartiidae | Appellations de Taxon | 23923 |
| [23924] Sargassaceae | Appellations de Taxon | 23924 |
| [23925] Scalibregmidae | Appellations de Taxon | 23925 |
| [23926] Scolepis cirratulus | Appellations de Taxon | 23926 |
| [23927] Scytosiphonaceae | Appellations de Taxon | 23927 |
| [23928] Siphonoecetes kroyeranus | Appellations de Taxon | 23928 |
| [23929] Siphonophorae | Appellations de Taxon | 23929 |
| [2393] Hydroporinae | Appellations de Taxon | 2393 |
| [23930] Siriellini | Appellations de Taxon | 23930 |
| [23932] Sphacelariaceae | Appellations de Taxon | 23932 |
| [23933] Sphaeroma | Appellations de Taxon | 23933 |
| [23934] Sphaerosyllis | Appellations de Taxon | 23934 |
| [23935] Spioniformia | Appellations de Taxon | 23935 |
| [23936] Spirorbinae | Appellations de Taxon | 23936 |
| [23937] Spisula (Spisula) ovalis | Appellations de Taxon | 23937 |
| [23938] Stenothoe | Appellations de Taxon | 23938 |