Florideophyceae

class of algae Florideophyceae (Florideophyceae) is a class of organisms united by key anatomical and physiological traits. It contains 9 orders with 32 known species. Key order groups include Ahnfeltiales, Bonnemaisoniales, Ceramiales, coralline algae, Gigartinales, and Gracilariales. It belongs to Rhodophyta (Rhodophyta).