| Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011 |
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| Odontidium elongatum var. pachycephala (Grunow) Patrick 1939, p. 5 | |||
| Basionym | Diatoma tenue var. pachycephala (pachycephalum) Grunow in Van Heurck 1881 | ||
| Published in | Patrick, R.M. 1939 [ref. 001803]. Nomenclatural changes in two genera of diatoms. Notulae Naturae (Academy of Natural Sciences of Philadelphia) (28):11 pp. | ||
| 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 | Diatoma elongatum var. pachycephala (Grunow in Van Heurck) Hustedt 1931 Diatoma tenue var. pachycephala (pachycephalum) Grunow in Van Heurck 1881 | ||