Figure 113 from: Albano PG, Bakker PAJ, Sabelli B (2019) Annotated catalogue of the types of Triphoridae (Mollusca, Gastropoda) in the Natural History Museum of the United Kingdom, London. Zoosystematics and Evolution 95(1): 161-308. https://doi.org/10.3897/zse.95.32803

Figure 113 Cerithium (Bittium) abruptum Watson, 1880, Fayal, Azores. A, B, D, G, J, K Syntype NHMUK 1887.2.9.1709: front (A, B), side (D), protoconch (G), aperture (J), peristome (K). C Original figure. E, H Syntype NHMUK 1887.2.9.1710: front (E), protoconch (H). F Syntype NHMUK 1887.2.9.1711: front. I Original labels. Scale bars: A, B, D–F, J, K: 0.5 mm; G, H: 0.1 mm.