• Plants Kingdom (Plantae)

• Green Algae (Phylum Chlorophyta)

• Chlorophycean Green Algae (Class Chlorophyceae)

• Order Bryopsidales

• Family Halimedaceae

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Family Halimedaceae is a family of marine green algae within the class Ulvophyceae and order Bryopsidales, consisting of siphonous algae whose thalli are composed of a single multinucleate cell with complex internal organization. Members of this family, particularly the genus Halimeda, are distinguished by their segmented, calcified thalli, which contain deposits of calcium carbonate that provide rigidity and protection. These algae are abundant in tropical and subtropical marine environments, especially on coral reefs, lagoons, and shallow coastal shelves.