Fig. 9
Ventral chondrocranium of Argovisaurus martafernandezi, holotype PIMUZ A/III 5279. Basioccipital in: A dorsal, B right lateral and C posterior view. Parabasisphenoid in: D dorsal and E ventral view. Abbreviations: anp, anterior notochord pit; bof, basioccipital facet; bopr, basioccipital peg region; bptp, basipterygoid process; co, condyle; eca, extracondylar area; dmf, dorsomedian furrow; ds, dorsum sellae; exf, exoccipital facet; fmf, foramen magnum floor; icf, internal coratid foramen; opif, opishtotic facet; pas, parasphenoid; pbsf, parabasisphenoid facet; ptf, pterygoid facet; stf, stapes facet; stpf, sella turcica/pineal fossa; tra, trabecular area