calcareous sponge
noun1
Any of many sponges, of the class Calcarea, having skeletons composed of spicules of calcium carbonate
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Any of many sponges, of the class Calcarea, having skeletons composed of spicules of calcium carbonate
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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