Cymbella subturgidula Krammer from Japan, in the original material of C. tumidula var. nipponica Skvortsov [≡ C. rheophila Ohtsuka], in sample 0983 85, 87 External valvar view 86, 88, 89 Internal valvar view.

 
 
  Part of: da Silva WJ, Jahn R, Ludwig TAV, Hinz F, Menezes M (2015) Typification and taxonomic status re-evaluation of 15 taxon names within the species complex Cymbella affinis/tumidula/turgidula (Cymbellaceae, Bacillariophyta). PhytoKeys 53: 1-25. https://doi.org/10.3897/phytokeys.53.4782