Figure 2 from: Vinarski MV, Aksenova OV, Bolotov IN (2020) Taxonomic assessment of genetically-delineated species of radicine snails (Mollusca, Gastropoda, Lymnaeidae). Zoosystematics and Evolution 96(2): 577-608. https://doi.org/10.3897/zse.96.52860

Figure 2 The scheme of measurements of the shell (A) and the parts of the copulatory apparatus (B). Abbreviations: SH – shell height; SW – shell width; SpH – spire height; BWH – body whorl height; AH – aperture height; AW – aperture width; PP – length of praeputium; PS – penis sheath length. A – after Vinarski (2016b).