FIGURE 11. A, B. Hyaloscala spirilla Monterosato, 1890 in Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma

FIGURE 11. A, B. Hyaloscala spirilla Monterosato, 1890, SEM images, Palermo (Sicily), H. 3 mm, with original labels (MCZR–M–23467); C, D. Scalaria striatissima Monterosato, 1878, Palermo (Sicily), H. 8.4 mm, with original labels (MCZR– M–23508); E, F. Amethistina laeta Monterosato, 1884, lectotype, Algiers (Algeria) H. 13.5 mm (ex Joly coll.) with original label (MCZR–M–23414); G, H. Janthina splendens Monterosato, 1884, lectotype, Alessandria (Egypt) H. 14.4 mm (ex Lothellerie coll.) with original label (MCZR–M–23423); I, J. Cerithiopsis contigua Monterosato, 1878, Casablanca (Morocco), H. 4.3 mm, with original label (MCZR–M–21158); K, L. Cerithiopsis diadema Monterosato, 1874 ex Watson ms., Madeira, H. 3.5 mm, (ex Watson coll.) with original labels (MCZR–M–21014); M, N. Cerithiopsis perlata Monterosato, 1889, Rabat (Marocco), H. 4.9 mm, with original label (MCZR–M–21151); O, P. Cerithiopsis tiara Monterosato, 1874 ex Watson ms., lectotype, Madeira, H. 4.5 mm, with original labels (MCZR–M–21141); Q, R. Cerithiopsis horrida Monterosato, 1874 ex Jeffrey sms., Palermo (Sicily), H. 6.6 mm, with original labels (MCZR–M–21173)