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Gomphonema angustatum f. affine Manguin 1949, p. 102; pl. 4, fig. 68
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| Status | Invalid? | |
| Comments | Not labeled as "nov. fo."; meant as a new taxon? |
| Published in | Manguin, E. 1949 [ref. 000624]. Contribution à la connaissance des diatomées fossiles des dépôts lacustres de l'Ankaratra. Annales géologiques du service des Mines (fasc. 18):85-115, 4 pls. |
| Type | | INA card not found. Click here to check this name in the INA website. |
| Type Locality | | Language of description | F |
| Collector | | Assessment of record accuracy | uncertain/not verified |