Genus
Contitheca Syssoiev, 1972
List of species
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Hyolitha |
| Order | Orthothecida |
| Family | Novitatidae |
| Genus | Contitheca |
| Species | cor |
| Genus | Decoritheca |
| Trapezotheca |
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Hyolitha |
| Order | Orthothecida |
| Family | Novitatidae |
| Genus | Contitheca |
| Species | cor |
| Genus | Decoritheca |
| Trapezotheca |