The family of marine animals that includes tube anemones, organisms related to sea anemones that create and live in protective mucus tubes.
From Cerianthus (the genus) + -idae (family suffix in zoological taxonomy). The -idae suffix is standard Latin taxonomy adopted in biological nomenclature.
Cerianthidae is one of the few animal families that literally builds homes—they secrete mucus that hardens into tubes, creating the only 'house' many tube anemones will ever know.
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