| author | date | title | journal / publication | Rieger RM, Tyler S, Smith JPS III, Rieger GE | 1991 | Platyhelminthes: Turbellaria. In: FW Harrison & BJ Bogitsh (eds) Microscopic Anatomy of Invertebrates. Vol. 3: Platyhelminthes and Nemertinea. | Wiley-Liss, New York: 7-140 |
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