Galdieriaceae is a family of
red algae
Red algae, or Rhodophyta (, ; ), are one of the oldest groups of eukaryotic algae. The Rhodophyta also comprises one of the largest phyla of algae, containing over 7,000 currently recognized species with taxonomic revisions ongoing. The majority ...
, one of two families in the order
Cyanidiales.
References
Red algae families
Monogeneric algae families
{{Rhodophyta-stub