Figure 4. Pliosaurus almanzaensis n. sp. (MOZ 3728P), Vaca Muerta Formation, Cajón de Almanza, Neuquén Province, skull and mandible in occipital view: (1) photograph, (2) interpretive drawing; (3–5) anterior part of the mandibular symphysis, in anterior (3), right lateral (4), and dorsal (5) view; (6) detail of mandibular symphysis showing the paradental plate; (7) detail of trihedral teeth of the right mandibular ramus. btu=basioccipital tuber; ft=functional tooth; oc=occipital condyle; ppl=paradental plate; pt=pterygoid.