FIGURE 4. Isurus paucus Guitart Manday, 1966 in Comparative morphology of rostral cartilages in extant mackerel sharks (Chondrichthyes, Lamniformes, Lamnidae) using CT scanning

FIGURE 4. Isurus paucus Guitart Manday, 1966, female, 2540 mm TL, northwest Atlantic Ocean (ERB 0935), 3D reconstructions based on CT scans of the entire head, showing all cartilaginous structures: lateral (A), dorsal (B), ventral (C), anterior (D) and anterolateral (E) views. Abbreviations: see Fig. 2.