Tentaculites nikiforovae Ljaschenko, 1958
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | incertae sedis |
| Class | Tentaculita |
| Order | Tentaculitida |
| Family | Tentaculitidae |
| Genus | Tentaculites |
| Species | estonicus |
| gothemensis | |
| gyracanthus | |
| inaequalis | |
| ornatus | |
| russiensis | |
| scalaris | |
| unranked | nikiforovae |