Animalia | Nematoda | Enoplea | Trichinellida | Capillariidae | Capillaria
Biota | Plantae | Viridiplantae | Chlorophyta | Chlorophytina | Chlorophyceae | Chlorophyceae incertae sedis | Capillaria
| Haeckel, 1866 | Cavalier-Smith, 1981 | Pascher, 1914 | Cavalier-Smith, 1998 | Wille, 1884 |  | Roussel, 1806