Fig. 4. Platypterygiine ophthalmosaurid Platypterygius hercynicus Kuhn, 1946, MHNH 2010.4 in New data on the ichthyosaur Platypterygius hercynicus and its implications for the validity of the genus

Fig. 4. Platypterygiine ophthalmosaurid Platypterygius hercynicus Kuhn, 1946, MHNH 2010.4, from the late Albian of Saint−Jouin−Bruneval, France. Detail of the fronto−parietal region. A. Photograph. B. Explanatory drawing. The frontal forms a thickened posteromedial process that fully encloses the parietal foramen and separates it from the parietal.