| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Rhoicosigma arcticum var. irregulare H. Peragallo 1891, p. 33; pl. 10, fig. 18 | |||
| Status | Invalid | ||
| Published in | Peragallo, H. 1891 [ref. 001460]. Monographie du genre Pleurosigma et des genres alliés. Le Diatomiste 1(4, 5):1-16, pls. 1-5, 17-35, pls. 6-10. | ||
| Type | Click here to view INA card. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | likely accurate | |
| List of nomenclatural synonyms | Gyrosigma arcticum var. irregularis (H. Peragallo) Cleve 1894 Rhoicosigma irregulare (H. Peragallo) M. Peragallo 1891 | ||