| Author | Fretter, V. & Graham, A. |
| Title | The prosobranch molluscs of Britain and Denmark: Part 6 — Cerithiacea, Strombacea, Hipponicacea, Calyptraeacea, Lamellariacea, Cypraeacea, Naticacea, Tonnacea, Heteropoda |
| Type | Journal Special Edition |
| How Complete | All the British and Danish species known at the time |
| Source | Supplement 9 |
| Illustrations | 42 figs |
| Examine |  Stereo Microscope |
