| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Trigonium formosum var. pentagonalis (A. Schmidt) Desikachary & Prema 1987, p. 9-10; pl. 327, fig. 5 | |||
| Basionym | Triceratium formosum var. pentagonalis (pentagonale) Schmidt in Schmidt et al. 1882 | ||
| Published in | [ref. ]. | ||
| Type | Click here to view INA card. Click here to check this name in the INA website. | ||
| Collector | Assessment of record accuracy | uncertain/not verified | |
| List of nomenclatural synonyms | Biddulphia formosa var. pentagonalis (A. Schmidt in Schmidt et al.) Witt in Walker & Chase 1886 Triceratium formosum var. pentagonalis (pentagonale) Schmidt in Schmidt et al. 1882 | ||