Figure 1 in The taxonomic status and phylogenetic relationships of the genus Aenigmomphiscola Kruglov and Starobogatov, 1981 (Gastropoda: Pulmonata: Lymnaeidae)

Figure 1. Shells and copulative apparatuses of molluscs of the genera Aenigmomphiscola (A–C, E) and Omphiscola (D, F). (A–B, E) Ae. europaea (Russia, Moscow region); (C) Ae. kazakhstanica (Russia, Mountain Altay); (D, F) O. glabra (Germany, Saxony). Scale bars 1 mm. Labels: pp, praeputium; ps, penis sheath; ps1, ps2, two parts of the penis sheath in Ae. europaea; sd, spermiduct.