FIG. 6 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. 6. — Detail of the prenarial basin in dorsal view for Ziphirostrum marginatum du Bus, 1868; A, IRSNB 3845-M.536; B, IRSNB 3846-M.1875; C, IRSNB 3843-M.1876. Scale bar: 50 mm. ; 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 455, DOI:10.5281/zenodo.5376445