Phreodrilus, [369], [379]Phreoryctes, [367], [377]Phreoryctidae, [376]Phylactella, [528], [530]Phylactolaemata, [476], [493] f., [518];lophophore, [476], [495];occurrence, [493];movements, [494], [496] f.;reproduction, [501], [506], [507];larva, [511], [512];