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Lithothamnion

Lithothamnion
Temporal range: Cretaceous–Recent
Lithothamnion glaciale.jpg
L. glaciale showing conceptacles. Millimetre scale
Scientific classification
(unranked): Archaeplastida
Division: Rhodophyta
Class: Florideophyceae
Order: Corallinales
Family: Hapalidiaceae
Subfamily: Melobesioideae
Genus: Lithothamnion
Heydrich, 1897

Lithothamnion is a genus of thalloid red alga comprising 103 species. Its members are known by a number of common names. The monomerous, crustose thalli are composed of a single system of filaments which grow close to the underlying surface. Lithothamnion reproduces by means of multiporate conceptacles.

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


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