This is a photograph of a fossilized reef-building coral mineral specimen. The gray-white calcareous base supports the three-dimensional skeletal structure of the coral, with traces of the polyps visible, allowing observation of the characteristics of the
The photo material of 'Reef-building corals' is free material that can be used for both commercial and non-commercial purposes without charge. No membership registration is required, and there are no quantity limits or paid sales. Please read the "Terms of Use", and only if you agree, you may use the S/M/L and cropped images.
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