Definition of lithothamnion
1 capitalized : a genus of crustose reef-forming red algae (family Corallinaceae) that are abundant in post-Jurassic geologic strata and are represented by numerous recent forms growing chiefly on rocks and other algae
2 plural -s : any plant of the genus Lithothamnion
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Origin and Etymology of lithothamnion
New Latin, from lith- + Greek thamnos bush + -ion (diminutive suffix)
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