Class of algae, certain members of which are commonly known as stoneworts.
藻类之一纲，包含一般通称轮藻的藻类。
Stoneworts contain calcium carbonate deposits so extensive that they may form the major part of lake bottoms.
轮藻形成碳酸钙沉淀，这些沉淀可形成湖泊钙质泥灰岩的主要成分。
Stoneworts contain calcium carbonate deposits so extensive that they may form the major part of lake bottoms.
轮藻形成碳酸钙沉淀，这些沉淀可形成湖泊钙质泥灰岩的主要成分。
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