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 |
| subregnum | Eumetazoa Butschli, 1910 |
| divisio | Bilateria Hatschek, 1888 - bilaterians |
| subdivisio | Protostomia Grobben, 1908 - protostomes |
| phylum | Acoelomorpha Ehlers, 1985 |
| order | Nemertodermatida Karling, 1940 |
| family | Nemertodermatidae Steinböck, 1930 |
| genus | Sterreria Lundin, 2000 |
| species | Sterreria papuensis Meyer-Wachsmuth, Curini Galletti & Jondelius, 2014 |