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 | Parazoa |
| phylum | Porifera Grant in Todd, 1836 - sponges |
| class | Calcarea Bowerbank, 1864 |
| subclass | Calcaronea Bidder, 1898 |
| order | Leucosolenida Hartman, 1958 |
| family | Achramorphidae Borojevic, Boury-Esnault, Manuel & Vacelet, 2002 |
| genus | Megapogon Jenkin, 1908 |
| species | Megapogon crucifer (Poléjaeff, 1883) |