FIG. 4 in Systematics and phylogeny of the fossil beaked whales Ziphirostrum du Bus, 1868 and Choneziphius Duvernoy, 1851 (Mammalia, Cetacea, Odontoceti), from the Neogene of Antwerp (North of Belgium) ...

FIG. 4. — Line drawings of the skull of Ziphirostrum marginatum du Bus, 1868 (IRSNB 3845-M.536); A, dorsal view, dotted line indicates limits of the prenarial basin; B, left lateral view, slightly anterior. ... : Published as part of Lambert O., 2005, Systematics and phylogeny of the fossil beaked whales Ziphirostrum du Bus, 1868 and Choneziphius Duvernoy, 1851 (Mammalia, Cetacea, Odontoceti), from the Neogene of Antwerp (North of Belgium), pp. 443-497 in Geodiversitas 27 (3) on page 451, DOI: 10.5281/zenodo.5376445 ...