Amphiroa

Amphiroa
Amphiroa beauvoisii
Scientific classification
(unranked):	Archaeplastida
Division:	Rhodophyta
Class:	Florideophyceae
Order:	Corallinales
Family:	Corallinaceae
Subfamily:	Amphiroideae
Genus:	Amphiroa J.V. Lamouroux, 1812

Amphiroa is a genus of thalloid red algae comprising 111 species. Specimens can reach around 30 cm in size. The thalli take a crustose form; dichotomous branches are formed. The organisms possess secondary pit connections. Amphiroa reproduces by means of conceptacles; it produces tetraspores. Its pore canals are lined with parallel filaments; the morphology of the pore canal is a key trait used to delineate species within the genus.

The valid species currently considered to belong to this genus are:

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Wikipedia