Genus
Choanoceras Lindström, 1890
List of species
1. Choanoceras mutabile Lindström, 1890 | Wenlock
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Orthoceratia |
| Order | Orthocerida |
| Family | Choanoceratidae |
| Genus | Choanoceras |
| Species | mutabile |