Species
Spirichnus contentus Plewes, 1996 nomen nudum
Luokittelu
| Organism group | Biota |
| Ichnofossil group | Ichnofossils |
| Bioerosional trace fossils | |
| Family | Trypanitidae |
| Genus | Spirichnus |
| Species | contentus |
| spiralis | |
| vacillarum |
| Organism group | Biota |
| Ichnofossil group | Ichnofossils |
| Bioerosional trace fossils | |
| Family | Trypanitidae |
| Genus | Spirichnus |
| Species | contentus |
| spiralis | |
| vacillarum |