FIGURE 17 in Revision of the Recent Alvania scabra (Philippi, 1844) complex (Mollusca, Gastropoda Rissoidae) from the Mediterranean Sea with the description of a new species

FIGURE 17. Alvania spp. (SEM). A–C. Alvania scuderii Villari, 2017, Linosa Is. 35 m depth (Italy), height 1.69 mm (CS-PM). A. Shell. B. Detail of the protoconch microsculpture, same specimen. C. Detail of the teleoconch microsculpture, same specimen. D–F. Alvania pizzinii n. sp. holotype, MNHN IM-2000-33933, height 2.3 mm, Levanzo Is. (Italy). D. Shell. E. Detail of the protoconch microsculpture, same specimen. F. Detail of the teleoconch microsculpture and of the subsutural ramp, same specimen. G–I. Alvania grancanariensis Segers, 1999, Maspalomas, Gran Canaria, Canary Islands (Spain) height 1.85 mm (JT, JDO). G. Shell. H. Detail of the protoconch microsculpture, same specimen. I. Detail of the teleoconch microsculpture, same specimen.