FIGURE 40. A, B. Argonauta cygnus Monterosato, 1889, Palermo (Sicily), H. 44.2 mm, with original labels (MCZR–M– 30036); C, D. Argonauta monterosatoi Monterosato, 1914 ex Coen ms, Milazzo (Sicily), H. 31.1 mm (ex Coen coll.) with original label (MCZR–M–30049); E, F. Dentalium brugnonei Monterosato, 1891, fossil of Ficarazzi (Sicily), H. 41.15 mm, with original label (MCZR–M–12947); G, H. Dentalium philippii Monterosato, 1872, fossil of Monte Pellegrino (Sicily), H. 97.2 mm, with original labels (MCZR–M–12933); I–K. Dentalium tenuifissa Monterosato, 1884, Civitavecchia (Italy), H. 39.1 mm, with original labels (MCZR–M–12950); L, M. Helonyx abyssicola Monterosato, 1878, Palermo (Sicily), H. 3.2 mm, with original label (MCZR–M–12932); N, O. Cadulus ovulum var. attenuata Monterosato, 1875, fossil of Ficarazzi (Sicily), (ex Brugnone coll.), H. 2.1 mm, with original label (MCZR–M–12924); P, Q. Helonyx jeffreysii Monterosato, 1875, Mediterranean Sea, H. 3.2 mm, with original labels (MCZR–M–12918). R, S. Cadulus ovulinum Monterosato, 1891, fossil of Ficarazzi (Sicily), H. 2.5 mm, with original label (MCZR-M-30050).

Published as part of Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, 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, pp. 1-138 in Zootaxa 4477 (1) on page 130, DOI: 10.11646/zootaxa.4477.1.1, http://zenodo.org/record/1454652