| Publication Type: | Journal Article |
| Year of Publication: | 1939 |
| Authors: | F. A. Schilder, Schilder M. |
| Journal: | Proceedings of the Malacological Society of London |
| Volume: | 23 |
| Pagination: | 181-252 |
| Full Text |
| Publication Type: | Journal Article |
| Year of Publication: | 1939 |
| Authors: | F. A. Schilder, Schilder M. |
| Journal: | Proceedings of the Malacological Society of London |
| Volume: | 23 |
| Pagination: | 181-252 |
| Full Text |