| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Hemidiscus rotundus f. simplicissima (Hanna & Grant) Frenguelli 1949, p. 134 | |||
| Basionym | Hemidiscus simplicissimus Hanna & Grant 1926 | ||
| Published in | Frenguelli, J. 1949 [ref. 001214]. Diatomeas fósiles de los yacimientos chilenos de Tiltil y Mejillones. Darwiniana 9(1):97-157. | ||
| 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 | Hemidiscus simplicissimus Hanna & Grant 1926 | ||