| [27850] Mastogloia cribrosa | Appellations de Taxon | 27850 |
| [27851] Mastogloia funafutensis | Appellations de Taxon | 27851 |
| [27852] Mastogloia gracilis | Appellations de Taxon | 27852 |
| [27853] Mastogloia jelineckii | Appellations de Taxon | 27853 |
| [27854] Mastogloia lacrimata | Appellations de Taxon | 27854 |
| [27855] Mastogloia lancettula | Appellations de Taxon | 27855 |
| [27856] Mastogloia lineata | Appellations de Taxon | 27856 |
| [27857] Mastogloia patens | Appellations de Taxon | 27857 |
| [27858] Mastogloia peracuta | Appellations de Taxon | 27858 |
| [27859] Mastogloia pseudoelegans | Appellations de Taxon | 27859 |
| [2786] Nilotanypus | Appellations de Taxon | 2786 |
| [27860] Mastogloia pseudolacrimata | Appellations de Taxon | 27860 |
| [27861] Mastogloia punctifera | Appellations de Taxon | 27861 |
| [27862] Mastogloia rimosa | Appellations de Taxon | 27862 |
| [27863] Mastogloia rostellata | Appellations de Taxon | 27863 |
| [27864] Mastogloia staurophora | Appellations de Taxon | 27864 |
| [27865] Mastogloia stefaninii | Appellations de Taxon | 27865 |
| [27866] Mastogloia stephensiana | Appellations de Taxon | 27866 |
| [27867] Mastogloia strigilis | Appellations de Taxon | 27867 |
| [27868] Mastogloia testudinea | Appellations de Taxon | 27868 |
| [27869] Mastogloia tumidula | Appellations de Taxon | 27869 |
| [2787] Paramerina | Appellations de Taxon | 2787 |
| [27870] Mayamaea cahabaensis | Appellations de Taxon | 27870 |
| [27871] Melosira echinus | Appellations de Taxon | 27871 |
| [27872] Melosira hummii | Appellations de Taxon | 27872 |
| [27873] Melosira perpusilla | Appellations de Taxon | 27873 |
| [27874] Melosira robusta | Appellations de Taxon | 27874 |
| [27875] Mesodictyopsis academica | Appellations de Taxon | 27875 |
| [27876] Mesodictyopsis akitaensis | Appellations de Taxon | 27876 |
| [27877] Mesodictyopsis baicalensis | Appellations de Taxon | 27877 |
| [27878] Mesodictyopsis media | Appellations de Taxon | 27878 |
| [27879] Mesodictyopsis miyatanus | Appellations de Taxon | 27879 |
| [2788] Procladius | Appellations de Taxon | 2788 |
| [27880] Mesodictyopsis peculiaris | Appellations de Taxon | 27880 |
| [27881] Mesodictyopsis similis | Appellations de Taxon | 27881 |
| [27882] Mesodictyopsis singularis | Appellations de Taxon | 27882 |
| [27883] Microcostatus angloensis | Appellations de Taxon | 27883 |
| [27884] Microcostatus cholnokyi | Appellations de Taxon | 27884 |
| [27885] Microcostatus deslooveri | Appellations de Taxon | 27885 |
| [27886] Amphora densestriata | Appellations de Taxon | 27886 |
| [27887] Microcostatus schoemanii | Appellations de Taxon | 27887 |
| [27888] Microcostatus werumii | Appellations de Taxon | 27888 |
| [27889] Microcostatus zackenbergensis | Appellations de Taxon | 27889 |
| [2789] Psectrotanypus | Appellations de Taxon | 2789 |
| [27890] Microfissurata australis | Appellations de Taxon | 27890 |
| [27891] Microfissurata paludosa | Appellations de Taxon | 27891 |
| [27892] Minidiscus variabilis | Appellations de Taxon | 27892 |
| [27893] Navicula andium | Appellations de Taxon | 27893 |
| [27894] Navicula antverpiensis | Appellations de Taxon | 27894 |
| [27895] Navicula apiculatoreinhardtii | Appellations de Taxon | 27895 |