@inbook {5127, title = {Phylum Platyhelminthes--class Turbellaria.}, booktitle = {Keys to Marine Invertebrates of the Woods Hole Region.}, year = {1964}, month = {1964}, pages = { - 30-39 pp}, publisher = {MBL, Woods Hole}, organization = {MBL, Woods Hole}, keywords = {Anaperus gardineri, Childia groenlandica, LOCATION, Paramecynostomum diversicolor, Polychoerus caudatus}, author = {Bush,LF}, editor = {Smith,RI} }