| Publication Type: | Journal Article |
| Year of Publication: | 1956 |
| Authors: | L. A. W. C. Venmans |
| Journal: | Proceedings of the Malacological Society of London |
| Volume: | 32 |
| Start Page: | 81 |
| Pagination: | 81-87 |
| Publication Type: | Journal Article |
| Year of Publication: | 1956 |
| Authors: | L. A. W. C. Venmans |
| Journal: | Proceedings of the Malacological Society of London |
| Volume: | 32 |
| Start Page: | 81 |
| Pagination: | 81-87 |