Position in a system
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Bikonta - bikonts |
| Corticata | |
| Archaeplastida | |
| phylum | Rhodophyta Wettst - red algae |
| subphylum | Rhodophytina |
| class | Compsopogonophyceae Saunders et Hommersand |
| order | Erythropeltidales Garbary, Hansen & Scagel |
| genus | Madagascaria J.A.West et N.Kikuchi |