Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Bikonta - bikonts |
| Corticata | |
| kingdom | Chromalveolata Adl et al., 2005 |
| phylum | Heterokontophyta |
| subphylum | Phaeista Cavalier-Smith, 1995 |
| infraphylum | Chrysista (Cavalier-Smith, 1986) Cavalier-Smith, 1995 |
| superclassis | Phaeistia Cavalier-Smith, 1995 |
| class | Xanthophyceae Pascher, 1914 - yellow-green algae |
| order | Tribonematales |
| family | Tribonemataceae G.S. West, 1904 |
| genus | Tribonema Derbes & Solier, 1956 |
| species | Tribonema regulare Pascher |