| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Sigmatella sigma (Kützing) Frenguelli 1923, p. 93; pl. 8, fig. 15, 16 | |||
| Basionym | Synedra sigma Kützing 1844 | ||
| Published in | Frenguelli, J. 1923 [ref. 000347]. Contribuciones para la sinopsis de las Diatomeas Argentinas. Boletín de la Academia Nacional de Ciencias en Córdoba (República Argentina) 27:13-119, 9 pls. | ||
| Type | INA card not found. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | uncertain/not verified | |
| List of nomenclatural synonyms | Homoeocladia sigma (Kützing) Kuntze 1898 Nitzschia sigma (Kützing) W. Smith 1853 Synedra sigma Kützing 1844 | ||