Fig. 11

Dorsal chondrocranium of Argovisaurus martafernandezi, holotype PIMUZ A/III 5279. Supraoccipital in: A posteroventral, B anterior and C right lateral view. Left exoccipital in: D ventral view. Right exoccipital in: E medial and F posterolateral view. Right opisthotic in: G anterior, H medial and I posterior view. Abbreviations: avsc, anterior vertical semicircular canal indentation; bof, basioccipital facet; CN VII/IX, groove for cranial nerve VII (facial) or IX (accessory); CN XII, hypoglossal foramen (cranial nerve XII); exf, exoccipital facet; hsc, horizontal semicircular canal indentation; nuf, nutritive foramen; paf, parietal facet; pop, paroccipital process; ppvsc, indentation of the external process of the posterior vertical semicircular canal; pvsc, posterior vertical semicircular indentation; quf, quadrate facet; sac, sacculus indentation; socf, supraoccipital facet; ssc, semicircular canal indentation; stf, stapes facet; ut/amp; utriculus and/or ampulus indentation