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Lithophyllum is a genus of thalloid red algae belonging to the family Corallinaceae. 250px|thumb|Lithophyllum stictaeforme. thumb|250px|right|L. orbiculatum on a rock fragment; rock length ~3 cm. thumb|250px|right|Lithophyllum okamurae thumb|240px|right|Lithophyllum sp.
Lithophyllum is a genus of thalloid red algae belonging to the family Corallinaceae. 250px|thumb|Lithophyllum stictaeforme. thumb|250px|right|L. orbiculatum on a rock fragment; rock length ~3 cm. thumb|250px|right|Lithophyllum okamurae thumb|240px|right|Lithophyllum sp.
==Fossil record== This genus is known in the fossil record from the Silurian to the Quaternary (from about 418.7 to 0.0 million years ago). Fossils of species within this genus have been found in Europe, United States, South America, Egypt, Iran, Iraq, India, Japan and Australia.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).