Porolithon
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| Porolithon | |
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| Porolithon antillarum | |
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| Genus: | Porolithon Foslie, 1909 |
| Type species | |
| Porolithon onkodes (Heydrich) Foslie, 1909 | |
Porolithon is a genus of coralline red algae.[1] Porolithon are the primary reef building algae. When coral reefs reach sea level, many corals break under the high energy impact of the waves, while coralline red algae, primarily Porolithon, continuing building and cementing the reef structure.[2]