Figure 3 in A new ichthyosaur from the Late Jurassic of north- west Patagonia (Argentina) and its significance for the evolution of the narial complex of the ophthalmosaurids

Figure 3. Arthropterygius thalassonotus (MOZ-PV 6145), elements of the basicranium. A–D, basioccipital in posterior (A), left lateral (B), ventral (C) and dorsal (D) views. E, F, parabasisphenoid in ventral (E) and posterior (F) views. G–I, supraoccipital in posterior (G) and anterolateral (H) views and interpretation of the impressions of the semicircular canals (I). J, right opisthotic in posterior view. K, left prootic in posterior (otic) view. Scale bar: 20 mm.