Wiktionary
axodine
n. (context biology English) Any unicellular heterokont alga of the class ''(taxlink Actinochrysophyceae class noshow=1)''.
Wikipedia
Axodine
The axodines (Actinochrysophyceae, Actinochrysea or Dictyochophyceae sensu lato) are a group of unicellular heterokont algae, previously classified in the Chrysophyceae.
They include pedinellids, silicoflagellates, and Rhizochromulinales.