| Publication Type: | Journal Article |
| Year of Publication: | 1950 |
| Authors: | T. Pain |
| Journal: | Proceedings of the Malacological Society of London |
| Volume: | 28 |
| Pagination: | 63-74 pls. 6-8 |
| Publication Type: | Journal Article |
| Year of Publication: | 1950 |
| Authors: | T. Pain |
| Journal: | Proceedings of the Malacological Society of London |
| Volume: | 28 |
| Pagination: | 63-74 pls. 6-8 |