Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Bikonta - bikonts |
| Cabozoa | |
| kingdom | Rhizaria Cavalier-Smith, 2002 |
| phylum | Cercozoa Cavalier-Smith, 1998 |
| subphylum | Endomyxa Cavalier-Smith, 2002 |
| class | Phytomyxea Engler & Prantl, 1897 - plasmodiophorids |
| order | Plasmodiophorida Cook, 1928 |
| family | Plasmodiophoridae |
| genus | Sorodiscus Lagerheim & Winge, 1913 |
| species | Sorodiscus callitrichis Lagerh. & Winge |