| Gymnocodium Temporal range: Permian |
|
|---|---|
| Scientific classification | |
| Phylum: | Rhodophyta |
| Class: | incertae sedis |
| Family: | †Gymnocodiaceae |
| Genus: | †Gymnocodium |
Gymnocoidum is a genus of calcareous alga known from Permian strata.[1] For details of its classification, see Gymnocodiaceae.