FIGURE 4. A, B. Gibbula cyrenaica Monterosato, 1923 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 4. A, B. Gibbula cyrenaica Monterosato, 1923, Benghazi (Libya), H. 8.1 mm, with original label (MCZR–M– 11267); C, D. Zizyphinus demissus Monterosato, 1889, Algiers (Algeria), H. 20.6 mm, with original label (MCZR–M–11617); E, F. Trochocochlea denudata Monterosato, 1888, Tangier (Morocco), H. 24 mm, with original labels (MCZR–M–11133); G, H. Trochus fraterculus Monterosato, 1880, Sfax (Tunisia), H. 7.36 mm, with original label (MCZR–M–11705); I, J. Clanculopsis granolirata Monterosato, 1889, Casablanca (Morocco), H. 8.8 mm, with original label (MCZR–M–10935).