Figure 4 in A new dwarf boa (Serpentes, Booidea, 'Tropidophiidae') from the Early Oligocene of Belgium: a case of the isolation of Western European snake faunas

Figure 4. Trunk/caudal transition in Falseryx petersbuchi, in left lateral view: A, posterior trunk vertebra (BSP, 1976 XXII 6127); B, fusion of last trunk, 1st cloacal and 2nd cloacal vertebrae (BSP, uncatalogued); C, anterior caudal vertebra (SMNS, 57898-3). Abbreviations: h, hypapophysis; hk, haemal keel; ls, lymphapophyses; pd, paradiapophysis; pl, pleurapophysis. A and C from Szyndlar & Rage (2003: fig. 27C, P).