Fig. 6. Clidastes propython Cope, 1869. A in The first record of the mosasaur Clidastes from Europe and its palaeogeographical implications

Fig. 6. Clidastes propython Cope, 1869. A. RM PZ R1778, the third? cervical vertebra from a juvenile individual, Belemnellocamax mammillatus zone, Åsen, Kristianstad Basin, southern Sweden, × 2.0; ventral (A1, stereo pair), posterior (A2, stereo pair), and lateral (A3, stereo pair) views. B. Clidastes propython Cope, 1869, the third? cervical vertebra of YPM 1123, late Santonian part of the Smoky Hill Chalk Member of the Niobrara Formation in western Kansas, USA, × 2.0; ventral (B1), posterior (B2), and lateral (B3) views. C. RM PZ R1752, two fragments (R1752a, C1, C3, C4 and R1752b, C2) of an axis vertebra from a very large individual, Belemnellocamax mammillatus zone, Axeltorp, Kristianstad Basin, southern Sweden, × 1.0; lateral (C1), anterior (C2), posterior (C3), and dorsal (C4) views.