| Authors(s) | Graham, A. |
| Year | 1971 |
| Title | British prosobranch and other operculate gastropod molluscs. Keys and notes for the identification of the species. Synopsis Brit. Fauna (N.S.)2: 1-112. |
| Authors(s) | Graham, A. |
| Year | 1971 |
| Title | British prosobranch and other operculate gastropod molluscs. Keys and notes for the identification of the species. Synopsis Brit. Fauna (N.S.)2: 1-112. |