FIG. 19 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. 19. — Detail of the premaxillary sac fossae and the vertex of Choneziphius planirostris (Cuvier, 1823) (IRSNB 3775-M.1883) in anterodorsal view. 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 472, DOI:10.5281/zenodo.5376445