Family
Narthecoceratidae Flower, 1958
List of species
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Orthoceratia |
| Order | Endoceratida |
| Family | Cyrtendoceratidae |
| Endoceratidae | |
| Narthecoceratidae | |
| Genus | Donacoceras |
| Family | Proterocameroceratidae |
| Genus | Cyclendoceras |