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Sponicopida refers to an extinct class of marine animals within the phylum Porifera, commonly known as sponges. They are characterized by their unique skeletal structures made of spicules, often composed of silica or calcium carbonate. Fossil records date them back to the Cambrian period, showcasing their diverse forms and ecological roles in ancient marine environments. Sponicopida highlights the evolutionary history of sponges and their significance in the development of early marine ecosystems.
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