| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Sigmatella sigma var. rigida (Kützing) Frenguelli 1926, p. 66; pl. 7, fig. 3 | |||
| Basionym | Amphipleura rigida Kützing 1844 | ||
| Status | Invalid | ||
| Published in | Frenguelli, J. 1926 [ref. 000349]. Diatomeas fósiles del Prebelgranense de Miramar (Contribucion IV). Boletín de la Academia Nacional de Ciencias en Córdoba (República Argentina) 29:5-89, pls. I-IX. | ||
| 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 | Amphipleura rigida Kützing 1844 Nitzschia rigida (Kützing) Peragallo & Peragallo 1900 Nitzschia sigma var. rigida (Kützing) Grunow 1878 Sigmatella subrecta Brébisson 1835 | ||