Belongs within: Diaphoretickes. The Glaucophyta are a group of freshwater unicellular algae with chloroplasts (cyanelles) retaining a wall structure similar to cyanobacteria. Characters (from Adl et al. 2019): Unicellular or colonial algae; plastid (cyanelle) with conspicuous peptidoglycan wall between its two membranes; chlorophyll type-a only, with phycobiliproteins and other pigments; ciliated and non-ciliated species or… Continue reading Glaucophyta