Species
Palaeosigma undulosa Eisenack, 1970
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Annelida |
| Class | Polychaeta |
| Order | Eunicida |
| Family | Incertae Familiae |
| Genus | Palaeosigma |
| Species | silurica |
| undulosa |
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Annelida |
| Class | Polychaeta |
| Order | Eunicida |
| Family | Incertae Familiae |
| Genus | Palaeosigma |
| Species | silurica |
| undulosa |