Seastar Skeletal Evolution?

Science Update from ICR · Mar 6, 2025

The beautiful sea stars (“starfish”), classified as echinoderms, are one of the most easily identifiable marine invertebrates, with their characteristic radiating arms and stony skin of calcium carbonate. The sea star’s water vascular system is one of the more amazing and complex arrangements in the animal world. The brittle stars and basket stars comprise the largest class of living echinoderms.

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