| 1. | Most of the coralline structures of the Chagos are submerged reefs.
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| 2. | Since coralline algae contain calcium carbonate, they fossilize fairly well.
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| 3. | The stamens can be inserted inside the coralline tube or exserted.
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| 4. | In the oceans, modern coralline algae appeared for the first time.
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| 5. | Coralline algae play an important role in the ecology of coral reefs.
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| 6. | There are over 1600 described species of nongeniculate coralline algae.
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| 7. | The Portilla formation is of coralline limestone of Givetian to Frasnian age.
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| 8. | The island is a flat coralline island with a land area of.
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| 9. | The southwest of the island is flat and consists largely of coralline limestone.
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| 10. | The atoll is of volcanic origin and coralline formation.
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मोबाइल