Figure 8 in Vertebral osteology in Delphinidae (Cetacea)

Figure 8. Two representations of the allocation of vertebrae to series in delphinid cetaceans. A, comparison of column subdivisions in terrestrial mammals, in cetaceans using terrestrial nomenclature and in cetaceans using cetacean nomenclature. Subdivision of the torso is applicable only to delphinids with syncliny. S = synclinal point. B, regional morphology of Lagenorhynchus acutus (MCZ 61008) by classic and cetacean column series in dorsal (above) and lateral (below) views. N = neck, TS = tail stock, F = fluke.