Turbellarians source details
Ball, I. R. (1969). An annotated checklist of the freshwater Tricladida of the Nearctic and Neotropical regions. Can J Zool, 47: 59-64
239425
10.1139/z69-013 [view]
Ball, I. R.
1969
An annotated checklist of the freshwater Tricladida of the Nearctic and Neotropical regions.
Can J Zool
47: 59-64
Publication