Final answer:
Members of the clade Siboglinidae are also known as tube worms. They are a type of marine worm that belong to the phylum Annelida.
Step-by-step explanation:
Members of the clade Siboglinidae are also known as tube worms. They are a type of marine worm that belong to the phylum Annelida. Tube worms are polychaetes, a class within the phylum Annelida. They live on the ocean floor and are not as familiar to people as earthworms or leeches.