411 REFERENCE · Wiktionary
Centricae
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Translingual
Wettstein system
Proper noun
A former taxonomic grouping of diatoms, including all those mul Bacillarieae which in the valve view possess a radial symmetry around a central point, and which are destitute of a raphe or pseudoraphe.
mul Pennatae