Figure 33 from: Breure A, Ablett J (2014) Annotated type catalogue of the Bulimulidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London. ZooKeys 392: 1-367. https://doi.org/10.3897/zookeys.392.6328

Figure 33 - Drymaeus species. A–C Drymaeus (Drymaeus) incognitus da Costa, 1907, holotype NHMUK 1907.11.21.24 (H = 29.8) D–F Drymaeus (Drymaeus) exoticus (da Costa, 1901), lectotype NHMUK 1907.11.21.38 (H = 24.8) G–I Drymaeus (Drymaeus) elsteri da Costa, 1901, lectotype NHMUK 1907.11.21.34 (H = 33.9) J–L Drymaeus (Drymaeus) subventricosus da Costa, 1901, lectotype NHMUK 1907.11.21.37 (H = 30.1) M–O Drymaeus (Drymaeus) dacostae (Sowerby III, 1892), holotype NHMUK 1907.11.21.51 (H = 26.3). All enlarged.