| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Gyrosigma arcticum var. irregularis (H. Peragallo) Cleve 1894, p. 119 | |||
| Basionym | Rhoicosigma arcticum var. irregulare H. Peragallo 1891 | ||
| Status | Valid | ||
| Published in | Cleve, P.T. 1894 [ref. 000232]. Synopsis of the Naviculoid Diatoms, Part I. Kongliga Svenska-Vetenskaps Akademiens Handlingar 26(2):1-194, 5 pls. | ||
| 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 | Rhoicosigma arcticum var. irregulare H. Peragallo 1891 Rhoicosigma irregulare (H. Peragallo) M. Peragallo 1891 | ||