| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Nitzschia sigmoidea var. undulata Petit 1877, p. 22; pl. 1, fig. 6 | |||
| Published in | Petit, P. 1877 [ref. 000749]. An essay on the classification of the Diatomaceae (with descriptions of some new species). Translated with notes by F. Kitton. Monthly Microscopical Journal, London 18:10-14, 65-77, pls 187-188. | ||
| Type | Click here to view INA card. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | uncertain/not verified | |