Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Unikonta |
| system | Opisthokonta Cavalier-Smith, 1987 |
| kingdom | Animalia Linnaeus, 1758 - animals |
| class | Chitinozoa Eisenack, 1931 † |
| order | Prosomatifera Eisenack, 1972 † |
| family | Lagenochitinidae Eisenack, 1931 † |
| subfamily | Cyathochitininae Paris, 1981 † |
| genus | Sagenachitina Jenkins, 1970 † |
| species | Sagenachitina oblonga (Benoit & Taugourdeau, 1961) † |