Calcareous Flowers: Tests and Cross-sections of Sea Urchin Spines.



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Details of Calcareous Flowers: Tests and Cross-sections of Sea Urchin Spines.

About Calcareous Flowers: Tests and Cross-sections of Sea Urchin Spines.
Calcareous Flowers: Tests and Cross-sections of Sea Urchin Spines.- Photographic study by Richard Howey with some fine photographs of the intricate beauty of these structures.