| [10080] Playaensis | Appellations de Taxon | 10080 |
| [10081] Pleurocyclos | Appellations de Taxon | 10081 |
| [10082] Pliocaenicus | Appellations de Taxon | 10082 |
| [10083] Podocystis | Appellations de Taxon | 10083 |
| [10084] Pogoneis | Appellations de Taxon | 10084 |
| [10085] Porannulus | Appellations de Taxon | 10085 |
| [10086] Porguenia | Appellations de Taxon | 10086 |
| [10087] Praetriceratium | Appellations de Taxon | 10087 |
| [10088] Pravifusus | Appellations de Taxon | 10088 |
| [10089] Proboscia | Appellations de Taxon | 10089 |
| [1009] Planorbidae | Appellations de Taxon | 1009 |
| [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 |