Fig. 3
From: A new pachypleurosaur from the Early Ladinian Prosanto Formation in the Eastern Alps of Switzerland
Ventral skull morphology and dentition of Prosantosaurus scheffoldi gen et spec. nov. from the upper Prosanto Formation (Early Ladinian, Middle Triassic) of Ducanfurgga locality no. 4, southwest of Davos, Canton of Grisons, south-eastern Switzerland. A Detail of the skull in ventral view of specimen PIMUZ A/III 4566. B Detail of skull in ventral view of specimen PIMUZ A/III 1275. Note that the posterior pterygoid region is displaced. C Detail of lower jaws, skull and dentition in ventral view of specimen PIMUZ A/III 1197. D Skull of PIMUZ A/III 1490 providing details of tooth morphology and replacement pattern. E Outline sketch of skull PIMUZ A/III 1490. See Additional file 1: Figs. S8, S13 for interpretative and labelled sketches of the skulls of PIMUZ A/III 1275 and PIMUZ A/III 1197