Genus
Tulenicornus Val’kov 1970
List of species
1. Tulenicornus oelandicus (Holm, 1893) | Middle Cambrian (old nomenclature)
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Hyolitha |
| Order | Hyolithida |
| Family | Sulcavitidae |
| Genus | Sulcavitus |
| Tulenicornus | |
| Species | oelandicus |