| [10090] Progonoia | Appellations de Taxon | 10090 |
| [10091] Proteucylindrus | Appellations de Taxon | 10091 |
| [10092] Protokeelia | Appellations de Taxon | 10092 |
| [10093] Psammococconeis | Appellations de Taxon | 10093 |
| [10094] Psammosynedra | Appellations de Taxon | 10094 |
| [10095] Psammothidium | Appellations de Taxon | 10095 |
| [10096] Pseudauliscus | Appellations de Taxon | 10096 |
| [10097] Pseudencyonema | Appellations de Taxon | 10097 |
| [10098] Pseudo-nitzschia | Appellations de Taxon | 10098 |
| [10099] Pseudoeunotia | Appellations de Taxon | 10099 |
| [101] Leuctra niveola | Appellations de Taxon | 101 |
| [1010] Anisus | Appellations de Taxon | 1010 |
| [10100] Pseudohimantidium | Appellations de Taxon | 10100 |
| [10101] Pseudoleyanella | Appellations de Taxon | 10101 |
| [10102] Pseudonitzschia | Appellations de Taxon | 10102 |
| [10103] Pseudopodosira | Appellations de Taxon | 10103 |
| [10104] Pseudorutilaria | Appellations de Taxon | 10104 |
| [10105] Pseudosolenia | Appellations de Taxon | 10105 |
| [10106] Pseudostaurosiropsis | Appellations de Taxon | 10106 |
| [10107] Pseudostephanodiscus | Appellations de Taxon | 10107 |
| [10108] Pseudotriceratium | Appellations de Taxon | 10108 |
| [10109] Pteroncola | Appellations de Taxon | 10109 |
| [1011] Bathyomphalus | Appellations de Taxon | 1011 |
| [10110] Pulchella | Appellations de Taxon | 10110 |
| [10111] Punctastriata | Appellations de Taxon | 10111 |
| [10112] Pyxilla | Appellations de Taxon | 10112 |
| [10113] Radialiplicata | Appellations de Taxon | 10113 |
| [10114] Raphidodiscus | Appellations de Taxon | 10114 |
| [10115] Raphidophora | Appellations de Taxon | 10115 |
| [10116] Rattrayella | Appellations de Taxon | 10116 |
| [10117] Rhoikoneis | Appellations de Taxon | 10117 |
| [10118] Rocella | Appellations de Taxon | 10118 |
| [10119] Roperia | Appellations de Taxon | 10119 |
| [1012] Bathyomphalus contortus | Appellations de Taxon | 1012 |
| [10120] Rossithidium | Appellations de Taxon | 10120 |
| [10121] Roundia | Appellations de Taxon | 10121 |
| [10122] Rutilaria | Appellations de Taxon | 10122 |
| [10123] Sarcophagodes | Appellations de Taxon | 10123 |
| [10124] Sceptroneis | Appellations de Taxon | 10124 |
| [10125] Sceptronema | Appellations de Taxon | 10125 |
| [10126] Schizostauron | Appellations de Taxon | 10126 |
| [10127] Scolioneis | Appellations de Taxon | 10127 |
| [10128] Scoliotropis | Appellations de Taxon | 10128 |
| [10129] Seminavis | Appellations de Taxon | 10129 |
| [1013] Bulinus | Appellations de Taxon | 1013 |
| [10130] Sextiputeus | Appellations de Taxon | 10130 |
| [10131] Sheshukovia | Appellations de Taxon | 10131 |
| [10133] Sieminskia | Appellations de Taxon | 10133 |
| [10134] Skeletonemopsis | Appellations de Taxon | 10134 |
| [10135] Spatangidium | Appellations de Taxon | 10135 |