| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Pinnularia quadratarea var. bicontracta (Østrup) Heiden in Schmidt et al. 1905, pl. 260, fig. 20-24 | |||
| Basionym | Navicula quadratarea var. bicontracta Østrup | ||
| Status | Valid | ||
| Published in | Schmidt, A. 1905 [ref. 012488]. Atlas der Diatomaceen-kunde. Leipzig. O.R. Reisland Series VI(Heft 65):pls. 257-260. [H. Heiden] | ||
| Type | INA card not found. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | likely accurate | |