The sea cucumbers: echinoderms with a soft, elongated, cylindrical body and greatly reduced internal skeleton, unlike the rigid tests of their urchin and star relatives. Holothuroidea are important sediment-processing detritivores on the sea floor, and several species are gathered as a food and traditional-medicine commodity.
Facts
Disputed
Member Species/Taxa CountApproximate described-species (or, for a genus, described-taxon) count; continually revised as species are newly described, reclassified or synonymized. Taxonomic Rank Scientific Name Connections
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