| [1168] Vaucheriaceae | Appellations de Taxon | 1168 |
| [11680] Cyclotella curvistriata | Appellations de Taxon | 11680 |
| [11681] Cocconeis convexa | Appellations de Taxon | 11681 |
| [11682] Cocconeiopsis wrightii | Appellations de Taxon | 11682 |
| [11683] Cocconeis distans var. bahusiensis | Appellations de Taxon | 11683 |
| [11684] Cymbella cistula var. caldostagnensis | Appellations de Taxon | 11684 |
| [11685] Cymbella cistuliformis | Appellations de Taxon | 11685 |
| [11686] Cocconeiopsis kantsinensis | Appellations de Taxon | 11686 |
| [11687] Caloneis clevei var. attenuata | Appellations de Taxon | 11687 |
| [11688] Ceratoneis closterium var. californica | Appellations de Taxon | 11688 |
| [11689] Cymbella carenageana | Appellations de Taxon | 11689 |
| [1169] Vaucheria | Appellations de Taxon | 1169 |
| [11690] Cymbella cornuta | Appellations de Taxon | 11690 |
| [11691] Chaetoceros coarctatus | Appellations de Taxon | 11691 |
| [11692] Cocconeiopsis orthoneoides | Appellations de Taxon | 11692 |
| [11693] Caloneis continua | Appellations de Taxon | 11693 |
| [11694] Cocconeiopsis pullus | Appellations de Taxon | 11694 |
| [11695] Cavinula cocconeiformis var. parva | Appellations de Taxon | 11695 |
| [11696] Cymbella cesatii var. paradoxa | Appellations de Taxon | 11696 |
| [11697] Caloneis caribeana | Appellations de Taxon | 11697 |
| [11698] Cotyledon circularis | Appellations de Taxon | 11698 |
| [11699] Cyclotella cretica | Appellations de Taxon | 11699 |
| [117] Capnia bifrons | Appellations de Taxon | 117 |
| [1170] Hepatophyta | Appellations de Taxon | 1170 |
| [11700] Cocconeiopsis regularis | Appellations de Taxon | 11700 |
| [11701] Cymbella crassa | Appellations de Taxon | 11701 |
| [11702] Craticula citroides | Appellations de Taxon | 11702 |
| [11703] Cymbopleura citriformis | Appellations de Taxon | 11703 |
| [11704] Cyclostephanos costatilimbus | Appellations de Taxon | 11704 |
| [11705] Cymbella cantonatii | Appellations de Taxon | 11705 |
| [11706] Corbellia contorta | Appellations de Taxon | 11706 |
| [11707] Cymbella cucumis | Appellations de Taxon | 11707 |
| [11708] Coscinodiscus curvatulus | Appellations de Taxon | 11708 |
| [11709] Cymbella dubitabilis | Appellations de Taxon | 11709 |
| [1171] Aneuraceae | Appellations de Taxon | 1171 |
| [11710] Cymbella dubravicensis | Appellations de Taxon | 11710 |
| [11711] Cymbopleura declivis | Appellations de Taxon | 11711 |
| [11712] Cocconeis discrepans | Appellations de Taxon | 11712 |
| [11713] Coscinodiscus decrescens | Appellations de Taxon | 11713 |
| [11714] Cocconeis debesi | Appellations de Taxon | 11714 |
| [11715] Campylodiscus decorus | Appellations de Taxon | 11715 |
| [11716] Cocconeis dirupta var. flexella | Appellations de Taxon | 11716 |
| [11717] Cyclotella delicatissima | Appellations de Taxon | 11717 |
| [11718] Cymbella delicatula var. magna | Appellations de Taxon | 11718 |
| [11719] Cocconeis disculus var. nipponica | Appellations de Taxon | 11719 |
| [1172] Riccardia | Appellations de Taxon | 1172 |
| [11720] Cymbella dorsenotata | Appellations de Taxon | 11720 |
| [11721] Cymbella dorsirostrata | Appellations de Taxon | 11721 |
| [11722] Caloneis delphineae | Appellations de Taxon | 11722 |
| [11723] Cymbella duplopunctata | Appellations de Taxon | 11723 |