| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
| About the On-line Catalogue | Introduction & Acknowledgements | Search the On-line Catalogue | Instructions on Searching for Species | Instructions on Searching for Genera | Instructions on Searching for Publications | Citing the Catalogue of Diatom Names | Contact Us |
| Williamsonii P. Lefebure 1947, p. [8] | |
| Generitype | |
| Designated by | |
| Year Designated | 0 |
| Nomenclatural status | nomen nudum ? |
| Recent revisions | |
| Comments | Listed in a table of diatom genus names, no description or author given. No more infirmation was found about this genus. |
| Published in |
Lefébure, P. 1947 (ref. 602) Atlas pour la détermination des Diatomées. Laboratoire de Micrographie. L. le Charles, Imprimeur, Paris. 31 pls. |