| Authors(s) | Spoel, S. van der |
| Year | 1976a |
| Title | Finer sculpture in euthecosomatous shells, and their value for taxonomy (Mollusca, Pteropoda). Beaufortia 24 (314): 105-132, pls I-X. |
| Authors(s) | Spoel, S. van der |
| Year | 1976a |
| Title | Finer sculpture in euthecosomatous shells, and their value for taxonomy (Mollusca, Pteropoda). Beaufortia 24 (314): 105-132, pls I-X. |