Prognathodon

Conrad, J. L., 2008, Phylogeny And Systematics Of Squamata (Reptilia) Based On Morphology, Bulletin of the American Museum of Natural History 2008 (310), pp. 1-182 : 130

clidastoides + Prognathodon

(figs. 54F, 55F)

DIAGNOSIS: Five plioplatecarpines species were included in this analysis and Platecarpus tympaniticus is the basalmost taxon. The other four species are united by 72(1) anteroposteriorly broad lateral tabs of the parietal, 146(1) posterior opening of the Vidian canal located on the sphenoid-prootic suture, 164(2) presence of an infrastapedial process and 240(1) lateral processes of the atlas reduced.