@inbook{WoRMS:SourceID:236648, author = {Rieger, R. M.}, journal = {McGraw-Hill, NY.}, pages = {23-62}, title = {A new group of Turbellaria-Typhloplanoida with a proboscis and its relationship to Kalyptorhynchia. In: N.W. Riser and M.P. Morse (eds.), The Biology of the Turbellaria.}, url = {https://marinespecies.org/aphia.php?p=sourcedetails&id=236648}, year = {1974} }