Riftia
Giant tube worm (species of annelid)
Riftia is a monotypic genus of polychaete annelid worms in the Siboglinidae family, which contains the sole species Riftia pachyptila, commonly known as the giant tubeworm or giant beardworm. R. pachyptila is found in association with geologically active regions of the deep sea. Riftia worms are sessile and are found clustered together in large colonies around deep-sea hydrothermal vents in the East Pacific Rise and the Galapagos Rift.
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