perekond
Microweedia Toots, 1952
Klassifikatsioon
| organismirühm | Biota |
| riik | Plantae |
| organismirühm | Algae (informal) |
| hõimkond | Chlorophyta |
| Rhodophyta | |
| klass | Chuariaphyceae |
| Vendophyceae | |
| perekond | Bion |
| Boučekocaulis | |
| Crinocaulis | |
| Doushantuophyton | |
| Estoniocaulis | |
| Hoeegonites | |
| Inocaulis | |
| Microweedia | |
| Nuia | |
| Rhadinograptus | |
| Siphonophycus | |
| Thallograptus (algae) |