-Plants (Kingdom Plantae)

-Red Algae (Phylum Rhodophyta)

-True Red Algae (Subphylum Eurhodophytina)

-Florideophycean Algae (Class Florideophyceae)

-Subclass Corallinophycidae

-Coralline Algae (Order Corallinales)

-Suborder Corallinineae

-Family Lithophyllaceae

-Subfamily Lithophylloideae

-Tribe Amphiroeae

-Genus Amphiroa)

An order of red algae, commonly called coralline algae. The colours of these algae are most typically pink, or some other shade of red, but some species can be purple or blue.