Figure 2. Comparison between the thalattosuchian and extant crocodylians studied, CT reconstructions of the skulls shown in palatal view.

(A) NHMUK PV OR 32599, the early-diverging metriorhynchoid Pelagosaurus typus; (B) MLP 72-IV-7-1, the metriorhynchid Cricosaurus araucanensis; (C) UF herp 118998, the gavialid Gavialis gangeticus; (D) TMM M983, the alligatorid Alligator mississippiensis. Abbreviations: PG, palatal groove.