| author | date | title | journal / publication | Rieger RM | 1974 | |
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. | McGraw-Hill, NY, pp 23-62 |
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