Picture details Genus Pseudobiceros Species bedfordi Authority Laidlaw, 1903 Family Pseudocerotidae Order Polycladida Location East Coast, Malaysia PHOTO © Copyright Richard Houghton, USA Comments Generally, polyclads use the beating of the fine hairlike ventral cilia to glide along the ground. Another mode of movement is swimming by rhythmic contractions of body muscles. Throwing the margines of the body a consecutive series of undulating waves are generated propelling the worm through open water.