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 |
| Animalia incertae sedis | |
| phylum | Problematica † |
| Problematica incertae sedis | |
| order | Hyolithelminthida Fisher, 1962 † |
| family | Torellellidae Holm, 1893 † |