Fig. 6 in A new species of the sauropsid reptile Nothosaurus from the Lower Muschelkalk of the western Germanic Basin, Winterswijk, The Netherlands

Fig. 6. Skull length plotted versus the ratio of the skull length and the maximal length of the upper temporal opening for NMNHL RGM 443825 and several species of Nothosaurus marchicus and N. winterswijkensis from the localities of Winterswijk and Rüdersdorf. Measurements of Winterswijk specimen were taken first hand in NME and NMNHL (Oosterink et al. 2003; Albers and Rieppel 2003), those of specimens from Rüdersdorf based on Schröder (1914).