Figure 4 in New data on pond snails (Mollusca: Gastropoda: Lymnaeidae) inhabiting the Ukrainian Transcarpathian: diversity, distribution and ecology

Figure 4. The copulatory organs of some lymnaeid snails from the Transcarpathian region. A – Ladislavella terebra; B – Radix ampla; C – R. tumida. Scale bars = 1 mm for A and 2 mm for B, C. Abbreviations: pp – praeputium, ps – penis sheath.