Body plan of Pogonophora
Anterior cephalic lobe, bearing a beard consisting of 1 to many thousands of ciliated tentacles;
Trunk, which contains a pair of uninterrupted coelomic cavities.
Opisthoma, which is segmented.
Adult pogonophorans lack a digestive tract, but they do have vast numbers of symbiotic bacteria.
Their habitat is near hydrothermal vents.