| Author | Fretter, V. & Graham, A. |
| Title | The prosobranch molluscs of Britain and Denmark: Part 3 — Neritacea, Viviparacea, Valvatacea, Terrestrial and Freshwater Littorinacea and Rissoacea |
| Type | Journal Special Edition |
| How Complete | All the British and Danish species known at the time |
| Source | J. Mollus. Stud. Supplement 5. |
| Illustrations | 56 figs |
| Examine | Stereo Microscope |
| Notes & Purpose | Status | Taxon | English | Classification |
|---|---|---|---|---|
| For identification | Current | PROSOBRANCHIA | operculate molluscs | Animalia |
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