Genus
Eudistylia
Eudistylia vancouveri. Photo: (c) Ethan Gilmore, some rights reserved (CC BY-NC)
Eudistylia is a genus of marine polychaete worms. The type species is Eudistylia gigantea, now accepted as Eudistylia vancouveri. This worm lives in a parchment-like tube with a single opening from which a crown of tentacles projects when the worm is submerged. It is a sessile filter feeder.