Any of various often large marine annelid tubeworms of the family Siboglinidae that inhabit deep-sea hydrothermal vents and lack a digestive system, depending on endosymbiotic bacteria for nutrition. Vestimentiferans were formerly classified in the phylum Vestimentifera.
Origin of vestimentiferanFrom New Latin Vestīmentifera former phylum name Latin vestīmentum outer garment ; see vestment . Latin -fera neuter pl. of -fer -fer