Phylogeny And Systematics Of Squamata (Reptilia) Based On Morphology Author Conrad, J. L. text Bulletin of the American Museum of Natural History 2008 2008-06-03 2008 310 1 182 journal article 0003-0090 Paravaranus angustifrons + Mosasauria (figs. 55E, 56D) DIAGNOSIS: These taxa are united, to the exclusion of Eosaniwa koehni , by 6(1) posteriorly elongated nares, 8(0) absence of dermal sculpturing on the maxilla, 9(0) absence of dermal sculpturing on the prefrontal, 10(0) absence of dermal sculpturing from the frontal and parietal, 47(1) jugal curved (rather than angulated), 55(1) fused frontals, 115(1) absence of palatine teeth and 189(0) a shortened splenial (see character description above).