Ectenosaurus clidastoides (Merriam, 1894)

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

Ectenosaurus clidastoides + Prognathodon

(figs. 54F, 55F)

DIAGNOSIS: Ectenosaurus and Prognathodon are united to the exclusion of Plioplatecarpus in a clade diagnosed by 37(0) absence of a prefrontal-postorbitofrontal contact, 89(0) contact between supratemporal arch bones and frontal and parietal unforked, and 192(1) presence of a tall, narrow, coronoid process.