| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Gyrosigma distortum var. undulatum McCall 1933, p. 267, 306; text fig. 25 | |||
| Published in | McCall, D. 1933 [ref. 000640]. Diatoms (recent and fossil) of the Tay District. Journal of the Linnean Society, Botany 49(328):219-308, 38 text figs. | ||
| Type | INA card not found. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | likely accurate | |
| List of nomenclatural synonyms | Pleurosigma distortum var. undulatum (McCall) F.W. Mills 1934 | ||