| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Pinnularia umbratica Torka 1933, p. 25; fig. 1 | |||
| Published in | Torka, V. 1933 [ref. 002164]. Drei neue Diatomeen. Hedwigia 73:25-30, 3 fig. | ||
| Type | Click here to view INA card. Click here to check this name in the INA website. | ||
| Type Locality | Language of description | G | |
| Collector | Assessment of record accuracy | likely accurate | |